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On Wallpapers

Thursday 17th of January 2019 11:49:57 PM
TL;DR, I’ll be switching to releasing new wallpapers every second Plasma release, on even-numbered versions.

This is just a post to refer to for those who have asked me about Plasma 5.15 and a new wallpaper. Since I started working on Plasma 5 wallpapers, there has always been a number of factors determining how exactly I made them. After some agonising debate I’ve decided to slow the wallpaper release pace, because as time has gone on a number of things have changed since I started contributing them:

Bugs & Releases. One of the early goals for wallpapers was to have one for each release so developers could identify versions of Plasma in screenshots of bug reports. This has become far less important, as issues have gone from “the bug causing everyone’s machines to catch fire while eating kittens” to things like “maybe stealing your left sock from the dryer”. Back in the day most distros didn’t offer rolling release options, so users would be reporting the bugs and sharing screenshots of old buggy versions. That, too, has changed; not only are rolling release options more plentiful, but standard release distros are well passed the dark days of immature Plasma 5. All said and done, we just don’t need wallpapers for developers to identify problem releases anymore; the bugs are far less severe and people are more up-to-date.

LTS Plasma versions & quality. While it may seem irrelevant to wallpapers, LTS stands out to as the place where we really need to pour love and care into our designs. With each new wallpaper I’m pushing things a bit harder and a bit further which means taking more time to create them, and I’m realising that at the quality I want to drive out LTS wallpapers with, it might take 3 to 5 dedicated days to produce a final product. That’s not including post-reveal tweaks I do after receiving feedback, or the wallpapers I discard during the creation process (for each wallpaper released, it’s likely I got halfway through 2 other designs). In other words, it’s becoming less sustainable.

The wallpapers aren’t crap anymore. It’s no secret, my first wallpapers were rough. When a new wallpaper was finished there were real quality incentives for me to take the lessons learned and turn-around a better wallpaper. Nowadays though most new wallpapers are visually pleasing and people don’t mind if they stick around for a bit longer. I know a lot of people even go back to previous wallpapers. Adding to this, it’s gotten easy to get older wallpapers; OpenDesktop, GetHotNewStuff both serve as easy access, and we now have some of the most popular default wallpapers in the extended wallpapers package. While new wallpapers are always nice to have, it’s no longer bad to keep what we’ve got.

Between those big three points, it brings me to moving the wallpaper cycle to every second Plasma release. New wallpapers will fall on even-numbered Plasma releases, landing squarely on the LTS releases and a feature release directly between LTS’s. That being said I hope that future wallpapers will show quality reflecting what the additional time will afford me to do.

Help Test KDE Plasma 5.15 Beta

Thursday 17th of January 2019 10:10:53 PM

KDE’s flagship project Plasma has a new beta out. There’s now three weeks to sort out the bugs to make the release a work of perfection.  We need your help.

Plasma has a new testing release out with a final release due in three weeks. We need your help in testing it and reporting problems.

KDE neon Developer Git-Stable Edition now has Plasma 5.15 beta and can be used for testing.

You can either download an ISO and install it or run it on a virtual machine. https://neon.kde.org/download

Or you can run the Docker image which should work on any Linux distro. https://community.kde.org/Neon/Docker

Please have a look over the new features and give them a try https://www.kde.org/announcements/plasma-5.14.90.php

You can report success or failure on the forum thread for Plasma 5.15 beta here or directly on the bug tracker at https://bugs.kde.org

Plasma 5.15 Beta in Virtualbox

Plasma 5.15 beta in Docker

Facebook AccountKit with Qt/C++ on Android

Sunday 13th of January 2019 03:06:43 PM

Facebook’s AccountKit is an authentication service that can use your email or phone number to login to your services, it doesn’t require that the user has a Facebook account, just a valid email or phone.

The cool thing about it is that it sends SMS for free, and although sending SMSs is cheap being free of charge is something you might want to look when creating a new App, in fact here in Brazil some big Apps do make use of it.

So long story short story I wanted to add this to my Qt Android App.

Thanks to the great help of Kai Uwe Broulik who had give some tips on the past on how to call Java code I started with this same approach:

  • Create a Java file
  • Put the Java code of AccountKit there
  • Call the static function of Java from C++

And… it did work BUT I was unable to get the result, this is because the Java code starts a new Activity and returns the result on a method that must be implemented on the code that Qt creates for starting your activity, so this means I’d need to change the XML manifest to call my subclass instead of what Qt provides, and would need to do a bunch of other stuff myself, basically would get more maintainance work to do.

So another option would be to do all of this from C++, which Kai said it would be better at first, but doing a bunch of JNI scared me a bit, also I hadn’t found the reference page to their API (which he found after the work was done lol). There’s a tool called javap that can dump the Java signature of what is inside the package you got, so with the help of this we went on porting all the calls to AccountKit API to C++/Qt, this way we can call QtAndroid::startActivity() passing a pointer to a class that will handle the result of the new Activity, all in C++ .

There were some initial issues with the Enums used (aparently some new Java7 stuff), but the code now doesn’t require a single line of Java code, which is great when integrating in Qt Android Apps.

The result is on GitHub, so if you need this just copy the integration class, it has IFDEFs so if you are testing on !Android it will compile fine. (You still need to follow the Gradle and manifest integration that’s on their dev site), feel free to make PR for fixes and features

https://github.com/ceciletti/third-party-qt-utils

This week in Usability & Productivity, part 53

Sunday 13th of January 2019 07:01:24 AM

I totally missed that last week marked the one-year anniversary of my documentation and guidance of KDE’s Usability & Productivity initiative. I think we’ve achieved a lot over the course of that year!

Note that this is NOT an exhaustive log of everything that happened this week in the entire KDE community, or even in all of Plasma. The actual number of commits and improvements is always vast and enormous–too much to comprehend, really. The KDE Community is staggeringly productive.

Rather, this is always a curated list of only the user-facing improvements I believe are directly relevant to the Usability & Productivity initiative. And speaking of it, this week we got an interesting assortment of new features, bugfixes, and UI improvements–many of which I didn’t mention but will ultimately be appreciated when taken together. Check it out:

New Features Bugfixes & Performance Improvements User Interface Improvements

Next week, your name could be in this list! Not sure how? Just ask! I’ve helped mentor a number of new contributors recently and I’d love to help you, too! You can also check out https://community.kde.org/Get_Involved, and find out how you can help be a part of something that really matters. You don’t have to already be a programmer. I wasn’t when I got started. Try it, you’ll like it! We don’t bite!

If my efforts to perform, guide, and document this work seem useful and you’d like to see more of them, then consider becoming a patron on Patreon, LiberaPay, or PayPal. Also consider making a donation to the KDE e.V. foundation.

Nanonote 1.0.1

Saturday 12th of January 2019 05:37:11 PM

The first release of Nanonote, my minimalist note-taking app, was a bit rushed: I broke indentation shortly before tagging version 1.0.0... meh.

So here is version 1.0.1. It fixes the indentation and adds the ability to indent or unindent whole lines with Tab and Shift+Tab, in addition to the existing Ctrl+I and Ctrl+U shortcuts.

In addition to these changes, the build system can now generate Debian and RPM packages, making the application easier to install.

These packages are generated by CPack inside an Ubuntu 18.04 Docker. This means they work on my machine, but do not have the same level of quality as packages crafted by real packagers. I am especially looking for feedback regarding the RPM packages, which I haven't tested.

You can find them on the project release page.

There aren't any other end-user changes in this release but I worked on infrastructure a bit: I added unit tests and set up Travis CI for continuous integration. I am probably going to write an article about this next. In the mean time, enjoy Nanonote 1.0.1!

Get your tickets while they’re hot!

Saturday 12th of January 2019 11:50:03 AM

TL;DR; Get your tickets from here!

For the fourth year running, foss-north is taking place. Now bigger than ever.

It all started as a one day conference in a room with too much people in it. We gathered ten speakers and started something that continues to this day.

110 ten people in a room for 110 people.

Back then we, the three organizers: Jeremiah, Mikael and myself, joked over beers that we should have trainings, conference, community rooms and much more. A moderated FOSDEM was a crude description of what we wanted to build. But this was only us dreaming away.

During the past years we’ve tried different venues. We’ve gone from one day, one track to two days and two tracks. This year we decided to go for it all: four days, trainings, a community day and the conference.

Organizing a conference is to manage a chicken and egg type problem. You need speakers to get sponsors, and you need sponsors to get speakers to the venue. The same applies to the audience – visistors wants speakers, speakers wants visitors. This is why it takes time to establish a conference.

Last year we felt that we reached a tipping point – the call for papers was so full that we had to extend the conference with an additional day. We simply could not pick the right contents for a single day. This means that we feel that the conference part is established. If you want to speak, the call for papers is still open.

That takes us to the next steps. The community day consists of various projects and groups organizing workshops, hackathons, install fests, development sprints and whatnot throughout the city. We find venues (usually conference rooms) and projects and hope that people will come visit the various events. Again, starting from zero projects, zero venues and no real idea how many visitors to expect, we are trying to put this together. At the time of writing, it looks great. We have 7 projects and 5 venues fixed, but we are still looking for both projects and venues. If you want to join in, look at our call for projects.

The same logic applies to the training. Now we have training contents, all we need are visitors. The great thing is that our teachers, Michael Kerrisk and Chris Simmonds, are great to work with and understand our situation. Now we just have to work hard to make sure that we find students for them.

The final piece of the puzzle, which is not always visible to speakers and visitors, is the hunt for sponsors. Venues does not come for free, and we believe in compensating our speakers for their costs, thus we need sponsors. We offer the opportunity to host a booth during the conference days and the chance to meet our audience. We also believe that helping a conference focused on free and open source, is a way to contribute to the free and open source movement. For this we have a network of sponsors that we’ve worked with in the past (thank you all!) but as the conference grows, we need more help. If you want to join in, have a look at our call for sponsors

I’ve written a lot about speakers, sponsors and projects. Now all we need are visitors – lots and lots of visitors. So bring your friends to Gothenburg and join us at foss-north. The early bird tickets are available now. Get yours here!

KF5 Android Notification Backend

Saturday 12th of January 2019 06:45:00 AM

With the ongoing work on realtime data access in KDE Itinerary we need a way show notifications in case of delays or other trip changes. That’s what KF5Notifications is for, which unfortunately isn’t supported on Android yet. Since an Android specific code path in KDE Itinerary for that would be quite ugly, I did look into adding Android support for KF5Notifications. How hard can it be? ;)

KF5Notifications on Android C++/Java Integration

How to do notifications with the official Android Java API is widely documented, and also matches the model of KF5Notifications well enough. This would however be the first KF5 framework using Android Java API for its backend, so I’ll focus on these integration bits here.

On the code level this means we need to be able to call Java code from C++ (to trigger a notification), and vice versa (to handle user interaction with the notification), and we need to be able to pass data back and forth.

The mechanism for this is the Java Native Interface (JNI), of which Qt abstract some parts via QAndroidJniObject. Qt itself contains a number of examples on how to use this, and you can look at the KF5Notifications code in D17851. The JNI signature syntax takes a bit of getting used too due to its built-in traps (like a different way of writing fully qualified class names compared to Java code), but at least you usually get helpful debug output at runtime in case of a mistake.

Building and Deployment

The build system integration turned out to be the most challenging part, as the framework consists of a Java part and a native part now. The general idea is that the framework builds and installs a Java library next to the native library, and provides a meta data file that tells androiddeployqt to also integrate the Java part when linking against the native part.

This is done in several Qt modules, but using qmake rather than CMake. Also, Qt only does this for Java code using the official Android Java API, not for using the Android support libraries, which is needed in case of notifications to simultaneously provide compatibility with older Android versions and to comply with requirements of very recent Android versions or the Google Play Store.

Building JARs

The first attempt was following closely what Qt does, and just implement that with CMake. You’ll find the code in D17851. There’s already basic Java support in CMake that makes this pretty straightforward, it essentially just builds a JAR library from a given set of Java source files using the Java compiler directly.

This approach works as long as you just use the basic Android API and don’t need any dependency outside of the normal Android SDK. But as that’s not enough for notifications, we needed another way.

Building AARs

The Android support library (and presumably other higher-level dependencies) break this approach in two places:

  • The canonical way of accessing dependencies on Android is via Maven repositories. Neither CMakre nor the raw Java compiler support that easily.
  • Those libraries are not regular Java libraries (JAR files) but Android libraries (AAR files). That’s essentially a ZIP file bundling the JAR file as well as resources, manifest elements, and other things you might find in an Android APK. However, this is also not directly supported by the Java compiler.

In order to consume AAR files we use the default Android way, building with Gradle (which is also what androiddeployqt does when building APKs). Obtaining and running Gradle is hidden behind a small CMake macro for easy integration, but how to build the Java side is now specified in a build.gradle file rather than in CMake files. This means all Android development related tools and resources become applicable for us. Besides the automatic dependency handling and inbound and outbound support for AAR libraries also things like using Kotlin should be possible. This approach has been implemented in D17986.

Consuming the result in the application is almost identical to the JAR case, we only needed a minor tweak in the androiddeployqt template for this.

Conclusion

Starting with KF5 5.55 we will have basic support for notifications, notification interaction and notification actions on Android. There’s probably still a number of features and flags in KF5Notifications that can be better mapped to Android’s native system, and there’s still work to be done to improve compatibility with a wider range of Android versions, but it’s a good start. But maybe even more importantly, we now have a template for integrating Android Java code in KF5 frameworks.

Qt 5.12 LTS – The road to faster QML application startup

Friday 11th of January 2019 08:18:23 AM

The Qt Company has been running benchmarks like QMLBench for a long time that assist us knowing when a change creates a performance regression, but it’s also important to see how Qt performs at a higher level, allowing components to interact in ways that granular tests like QMLBench can’t show. In this blog post, we’ll walk through new application startup testing results from a more real-world QML benchmark application.

 

The benchmark

For these tests, a relatively simple QML application was developed that utilizes many areas of QtDeclarative and QtGraphicalEffects. The application code was written as a casual developer might, and has not been designed for optimal startup, memory consumption, or performance. Because we’re benchmarking, the application does not make use of Interactive elements or user input. The application is of low complexity, without divergent logic, so that results are as consistent as possible between test runs. Though no benchmark will ever truly simulate real-world performance with user interaction, the test discussed here aims to more accurately represent a real-world QML workload than QMLBench or the QtQuickControls “Gallery” example.

The benchmark application. It combines textures, animations, QML shapes, repeaters, complex text, particle effects, and GL shaders to simulate a heavier, more real-world application than other QML benchmarks like QMLBench.

Download the benchmark source code here.

Lars has previously written about The Qt Company’s commitment to improving the performance of Qt, and with the recent release of Qt 5.12 LTS, the efforts made are really showing, especially on QML. Among the improvements, a good number have been towards improving startup performance. Out of the platforms tested, the greatest startup performance improvement was seen on the lowest power device we tested, a Toradex Apalis i.MX6. Let’s explore that.

Startup Performance

The chart above shows how the features in Qt 5.12 LTS really cut down on the startup performance, dropping time-to-first-frame from 5912ms in Qt 5.6 to only 1258ms in Qt 5.12.0, a 79% reduction! This is thanks to a number of new features that can be stacked to improve startup performance. Let’s walk through each.

  1. The Shader Cache – Introduced in Qt 5.9 LTS

    The shader cache saves compiled OpenGL shaders to disk where possible to avoid recompiling GL shaders on each execution.

    Pros: Lowers startup time and avoids application lag when a new shader is encountered if the shader is already in the cache.
    Cons: Systems with small storage can occasionally clear shader caches. If your application uses very complex shaders and runs on a low-power device where compiling the shader may produce undesirable startup times, it may be recommended to use pre-compiled shaders to avoid caching issues. There is no performance difference between cached shaders and pre-compiled shaders.
    Difficulty to adopt: None! This process is automatic and does not need to be manually implemented.

  2. Compiled QML

    Without use of the Qt Quick Compiler detailed below, QML applications built on Qt versions prior to 5.9 LTS would always be compiled at runtime on each and every run of the application. Depending on the application’s size and host’s processing capabilities, this action could lead to undesirably long load times. Two advancements in Qt now make it possible to greatly speed up the startup of complex QML applications. Both of which provide the same startup performance boost. They are:

    Qt Quick Cache – Introduced in Qt 5.9 LTS

    The Qt Quick Cache saves runtime-compiled QML to disk in a temporary location so that after the first run when qml gets compiled, it can be directly loaded on subsequent executions instead of running costly compiles every time.

    Pros: Can greatly speed up complex applications with many qml files
    Cons: If your device has a very small storage device, the operating system may clear caches automatically, leading to occasional unexpected long startup times.
    Difficulty to adopt: None! This process is automatic and does not need to be manually implemented.

    Pre-generated QML (Qt Quick Compiler) – Introduced in Qt 5.3 for commercial licensees, both commercial and open source in Qt 5.11

    The Quick Compiler allows a QML application to be packaged and shipped with pre-compiled QML. Initially available under commercial license from Qt 5.3 onwards, it is available for both commercial and open-source users from Qt 5.11 onwards.

    Pros: Using Quick Compiler has the advantage of not needing to rely on the runtime generated QML cache, so you never need to worry about a suddenly unexpected long startup time after a given application host clears its temporary files.
    Cons: None!
    Difficulty to adopt: Low. See the linked documentation. It’s often as simple as adding “qtquickcompiler” to CONFIG in your project’s .pro file!

  3. Distance Fields – Introduced in Qt 5.12 LTS

    Though Qt has been using Distance Fields in font rendering for a long time in order to have cleaner, crisper, animatable fonts, Qt 5.12 introduces a method for pre-computing the distance fields. Learn more about Distance Fields and implementation in this blog post by Eskil.

    Pros: Using pre-generated Distance Field fonts can drastically reduce start-up performance when using complex fonts like decorative Latin fonts, Chinese, Japanese, or Sanskrit. If your application uses a lot of text, multiple fonts, or complex fonts, pre-generating your distance fields can knock off a huge chunk of time to startup.
    Cons: Generated distance field font files will be marginally larger on disk than standard fonts. This can be optimized by selecting only the glyphs that will appear in your application when using the Distance Field Generator tool. Non-selected glyphs will be calculated as-needed at runtime.
    Difficulty to adopt: Low. See the linked documentation. No additional code is necessary, and generating the distance fields for you font takes seconds.

  4. Compressed textures – Introduced in Qt 5.11

    Providing OpenGL with compressed textures, ready to be uploaded to video memory right out of the gate, saves Qt from need to prepare other file types (jpg, png, etc…) for upload.

    Pros: Using compressed textures provides a faster startup time, decrease in memory usage. It may even provide a bit of performance boost depending on how heavy your texture use is, and how strong of compression you choose to utilize.
    Cons: While the compression algorithms in use for textures inherently require some tradeoff in visual fidelity, all but the most extreme compression schemes will usually not suffer any visible fidelity loss. Choosing the right compression scheme for your application’s use case is an important consideration.
    Difficult to adopt: Low +. See this blog post by Eirik for implementation details. Almost no coding is required, needing only to change texture file extensions in your qt code. Easy-to-use tools for texture compression are available, like the “texture-compressor” package for Node.

 

Conclusions

The i.MX6 is a great representation of mid-tier embedded hardware, and the performance improvements included in Qt 5.12 LTS really shine in this realm. Stack all the improvements together and you can really cut down on the startup time required in low power devices.

With these latest test results for low-power hardware, Qt 5.12 could lend a hand to your development by greatly decreasing startup times, particularly when running on low and mid-tier embedded devices. These new performance improvements are easy to adopt, requiring only the most minor of changes to your codebase, so there’s very little reason to not start using Qt 5.12 right away, especially if your project is cramming heavy QML applications into a fingernail sized SoC. The chart below is a reminder of what’s possible with Qt 5.12 LTS, and faster start-up time makes happier customers.

The post Qt 5.12 LTS – The road to faster QML application startup appeared first on Qt Blog.

KDE Privacy Sprint

Friday 11th of January 2019 12:00:00 AM

A bit more than a year ago, the KDE community decided to focus on a few goals. One of those goals (the most important one as far as I’m concerned) is to increase the users’ control over their private data.

KDE developers and users have always been a privacy-minded bunch. But due to all the fun things that have happened in the recent years, we had to switch to the next gear.

We have seen new projects like KDE Itinerary (by Volker), Plasma Vault (by yours truly), Plasma Mycroft (by Yuri and Aditya), etc. There has also been a lot of work to improve our existing projects like KMail.

Now, this post is not about any of these.

It is about a KDE Privacy developer sprint organized by Sando Knauß.

The sprint will be held in Leipzig (Germany) from 22. 3. to 26. 3. and all privacy-minded contributors are invited to join.

Leipzig You can support my work on , or you can get my book Functional Programming in C++ at if you're into that sort of thing.

Okular: PDF Signature + Certificate support has landed

Thursday 10th of January 2019 11:12:46 PM

As of a few minutes ago, i merged the code from Chinmoy Ranjan Pradhan's GSOC to support showing PDF Signatures and Certificates in Okular.



Signature handling is a big step for us, but it's also very complex, so i expect it to have bugs and things that can be improved so testers more than welcome.

Compiling is a bit "hard" since it requires poppler 0.73 that was released a few days ago.

But thanks to flatpak, there's no need to compile it, you can run the KDE Okular Nightly on your system to try it

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak remote-add --if-not-exists kdeapps --from https://distribute.kde.org/kdeapps.flatpakrepo
flatpak install kdeapps org.kde.okular

Note: if you have okular installed from another flatpak repo (for example flathub) this will switch you to the KDE Nightlies, you may want to switch back after testing.

And then you can try the adobe sample pdf
flatpak run --share=network org.kde.okular https://blogs.adobe.com/security/SampleSignedPDFDocument.pdf

And you should get stuff like this

Ring in the new

Thursday 10th of January 2019 09:16:17 PM

It’s the second week of 2019 already, which means I’m curious what Nate is going to do with his series This week in usability .. reset the numbering from week 1? That series is a great read, to keep up with all the little things that change in KDE source each week — aside from the release notes.

For the big ticket items of KDE on FreeBSD, you should read this blog instead.

In ports this week (mostly KDE, some unrelated):

  • KDE Plasma has been updated to the latest release, 5.14.5.
  • KDE Applications 18.12.1 were released today, so we’re right on top of them.
  • Marble was fixed for FreeBSD-running-on-Power9.
  • Musescore caught up on 18 months of releases.
  • Phonon updated to 4.10.1, along with its backends.

And in development, Qt WebEngine 5.12 has been prepared in the incongruously-named plasma-5.13 branch in Area51; that does contain all the latest bits described above, as well.

18.12.1 released

Thursday 10th of January 2019 09:03:07 PM

The first dot release of the 18.12 series is out with fixes and usability improvements. The most exiting change is the fix for audio capture when recording from screen or webcam, a handy feature for people doing video tutorials.

You can now import keyframes to your effects and use them in other projects. On the usability front the “Gain” effect is now in the correct “Audio correction” category and theming issues in the AppImage are now fixed. Speaking of AppImage, we now have a fully automated build system ready so devs can focus on coding gain.

Don’t forget to check our nightly refactoring branch version which received many fixes during the holidays and is ready for another round of testing.

18.12.1 fixes

  • Fix empty warning dialog on missing font in project. Commit. Fixes bug #401903
  • Fix bin item description cannot be edited if it contains zone subclips. Commit. Fixes bug #402817
  • Fix screengrab with audio broken. Commit.
  • Move Gain effect to “Audio correction” category. Commit.
  • Ci: enable freebsd build. Commit.
  • QtScript is not used anymore. Commit.
  • Ci: add recipe for gitlab CI. Commit.
  • Fix incorrect color theme correction for AppImages. Commit.
  • Fix color theme lost on AppImage. Commit.
  • Update AppData app version. Commit.
  • Fix bin/melt.exe & libmlt* loading on Windows. Commit.
  • Necessary OpenGL headers are provided by Qt. Commit.
  • Fix keyframes import. Commit.

Smarter tabular editing with Vim

Wednesday 9th of January 2019 11:44:06 AM

I happen to edit tabular data in LaTeX format quite a bit. Being scientific documents, the table columns are (almost) always left-aligned, even for numbers. That warrants carefully crafted decimal and digit alignment on such columns containing only numbers.

I also happen to edit the text (almost) always in Vim, and just selecting/changing a certain column only is not easily doable (like in a spreadsheet). If there are tens of rows that needs manual digit/decimal align adjustment, it gets even more tedious. There must be another way!

Thankfully, smarter people already figured out better ways (h/t MasteringVim).

With that neat trick, it is much more palatable to look at the tabular data and edit it. Even then, though, it is not possible to search & replace only within a column using Visual Block selection. The Visual Block (^v) sets mark on the column of first row till the column on last row, so any :<','>s/.../.../g would replace any matching text in-between (including any other columns).

To solve that, I’ve figured out another way. It is possible to copy the Visual Block alone and pasting any other content over (though cutting it and pasting would not work as you think). Thus, the plan is:

  • Copy the required column using Visual Block (^v + y)
  • Open a new buffer and paste the copied column there
  • Edit/search & replace to your need in that buffer, so nothing else would be unintentionally changed
  • Select the modified content as Visual Block again, copy/cut it and come back to the main buffer/file
  • Re-select the required column using Visual Block again and paste over
  • Profit!

Here’s a short video of how to do so. I’d love to hear if there are better ways.

Demo of column editing in Vim

Beautiful GitHub labels with Terraform

Tuesday 8th of January 2019 11:15:09 PM

Managing issues is part of the daily life of most software projects. Reacting to bug reports, feature requests, pull requests, tracking what's going on and where to put attention, all that is usually handled in the bug or issue tracker of the project's choice.

On GitHub there are the GitHub issues, and they have become quite powerful over time. Just recently GitHub added the capability to show related issues, pin issues to repositories and to move them between repositories.

One important tool to manage issues on GitHub are labels, those nicely colored badges you can add to issues to get a better overview, to filter lists and queries, or to build further automation such as the presentation of good first issues to people new to the project.


If you have a lot of labels it tends to become a bit of effort to manage them well, especially if you want to keep colors consistent and descriptions up to date. It becomes even more effort when you try to do so across different repositories. We have all seen the psychedelic potpourri of colorful labels which tends to happen when you use labels generously.

Last year I saw Mitchell Hashimoto's excellent talk about anything as code at the Open Source Datacenter Conference in Berlin. He showed there how to use Terraform to manage infrastructure as code beyond the typical management of computing infrastructure such as servers or networks. He showed how to use it for more administrative tasks such as managing teams on GitHub.

This is a great approach because it replaces clicking around in a user interface by a more programming-like approach of maintaining configurations, preferably version controlled, and applying the same rules on them as on code. So you can do pull requests, review changes, have the history of what happened in git, run tests and other automation easily, etc.

The GitHub provider for Terraform also handles labels so I thought I would give it a try to manage labels as code. Directly doing this in the Terraform configuration is possible but it's a bit cumbersome and limited in what you can do with the data in this format. So I decided to put the data into a good old YAML file and writing a bit of Python code to deal with it.

The result is beautiful-labels, a small tool to manage GitHub labels from a YAML description via Terraform. It scans your repository for existing labels and their data, creates a YAML description from it, and then provides you the tools to turn it into a Terraform configuration.

Terraform is great in handling the state of things in the cloud, it takes care of operating the API in an effective way, figuring out what needs to be updated, and gives the user control, for example by providing a dry run which tells what would change without applying the changes yet. This is all quite convenient and powerful.

One thing beautiful-labels is supposed to make easy is the management of label colors. In addition to the convenience of managing them in YAML instead of having to use the UI, it also adds the option to generate an overview of the labels as SVG, nicely grouped in categories. This helps in grouping things together using colors and generally can augment documentation about how you intend labels to be used.


The tool is in an early state but it works. I use it to manage the labels in the inqlude repository on GitHub.

You could add another step of automation by letting CI run Terraform on commits to the YAML file. Maybe something to try for the future. As managing labels is not something you usually do on a daily basis, some manual step might also be good enough.

One caveat with labels is that GitHub uses the name of the label as identifier. That usually works great but can be a bit tricky when changing the name of a label. For this case I recommend to do it in the GitHub UI for now.

There are some other approaches how to do this kind of stuff. One of them is labeler which is a nice tool written in Go to manage labels from a YAML description. It directly operates the GitHub API. The advantage is that it's self-contained but it lacks the power of Terraform in terms of state management. Another is Zach Dunn's post "How we organize GitHub issue: A simple styleguide for tagging" which introduces the notion of color-coded categories.

It's wonderful when pieces come together, such as the GitHub API, Terraform, YAML, git, and people writing open source code around that. They result in a way to beautifully manage labels without having to put in too much effort.

If you have feedback or input please don't hesitate to drop me a line. I would be happy if beautiful-labels would be useful for you as well. Let me know how it goes. :-)

Videos of new activities in GCompris 0.95

Tuesday 8th of January 2019 04:57:45 PM

Here is a little playlist to show the new activities in GCompris 0.95.

If you missed it, check the release post on gcompris.net.

Integration of sandboxed Qt applications

Tuesday 8th of January 2019 09:42:10 AM

We have been using various tweaks to make sandboxed Qt apps well integrated into the system. For KDE Plasma integration, we have been allowing access to kdeglobals config file, where we store the most common configuration, like used icon theme, widget style, etc. A similar approach has been used by Gnome, where they need to allow access to DConf, otherwise applications will not be able to read default system configuration. These tweaks have been usually set in the runtimes and applications using these runtimes automatically inherited all the needed permissions during the build. This has some weak spots, because changing permissions in the runtime requires all applications to be rebuild to pick up the changes, or applications not using the runtimes at all had to allow all the access themself and really not everyone knows what everything needs to be enabled.

This will change with upcoming release of xdg-desktop-portal (version 1.2), which will bring new portal to solve this problem (for both Flatpak and Snap). There is new “Settings” portal, allowing apps to request various configuration from the sandbox, without need to have access outside (kdeglobals, dconf). For Gnome configuration, this has been built in directly in xdg-desktop-portal so there is no need for specific backend support. For KDE Plasma configuration, we have our specific code reading kdeglobals config file in xdg-desktop-portal-kde. This support has already been merged and will be part of Plasma 5.15 release in February. To make applications automatically ask for this configuration through the portal, instead of reading kdeglobals/dconf, I added support to both widely used Qt QPA plugins. For applications running under Plasma we have now this implemented in plasma-integration plugin. This support will be also released with Plasma 5.15 in february. For Qt apps running in Gnome, I added this support into QGnomePlatform, which has been released already some time ago and is already available in Flathub.

Hopefully with all of this released soon and more widely used, we can slowly start removing all the hardcoded permissions for both dconf and kdeglobals config file in the runtimes.

This week in Usability & Productivity, part 52

Sunday 6th of January 2019 05:39:09 AM

This week in Usability & Productivity, the KDE VDG worked very intensively on aesthetics. The Breeze icon theme gained a lot of attention, resulting in many improvements, and we now have a good number of icon designers diligently working through a backlog of issues. More is on the way too, with several enthusiastic new VDG members who combine an eye for design with strong technical abilities. Expect good things to come of this!

New Features Bugfixes & Performance Improvements User Interface Improvements

Next week, your name could be in this list! Not sure how? Just ask! I’ve helped mentor a number of new contributors recently and I’d love to help you, too! You can also check out https://community.kde.org/Get_Involved, and find out how you can help be a part of something that really matters. You don’t have to already be a programmer. I wasn’t when I got started. Try it, you’ll like it! We don’t bite!

If my efforts to perform, guide, and document this work seem useful and you’d like to see more of them, then consider becoming a patron on Patreon, LiberaPay, or PayPal. Also consider making a donation to the KDE e.V. foundation.

sjfonts 2.1 released

Saturday 5th of January 2019 05:49:19 PM

More than 11 years after sjfonts 2.0.2 was released today I'm announcing sjfonts 2.1

It contains two enhacements contributed by Yuri Chornoivan
* Delphine font now has the Euro sign
* Steve font now has "basic" Cyrillic characters

If by any chance your distribution is packaging them, update!


https://sourceforge.net/projects/sjfonts/files/sjfonts/sjfonts-2.1/

Yes, it's on sourceforge ;)

Frameworks 5.53.0, Plasma 5.14.4, and Applications 18.12.0 by KDE, and Qt 5.12.0, Linux 4.19.12 with the ck patchset, and systemd 239.303 are now available

Saturday 5th of January 2019 05:05:59 PM

@totte wrote:

Also available in Simplified Chinese, and Traditional Chinese.

The following updates have been tested, and are now available.

Name Version Comment Frameworks 5.53.0 Plasma 5.14.4 Applications 18.12.0 Qt 5.12.0 Linux 4.19.12 Con Kolivas’ patchset added systemd 239.303 Complete list of updated packages acpi_call-1.1.0-57-x86_64.pkg.tar.xz acpi_call-dkms-1.1.0-57-x86_64.pkg.tar.xz acpi_call-lts-1.1.0-14-x86_64.pkg.tar.xz akonadi-18.12.0-1-x86_64.pkg.tar.xz akonadi-calendar-18.12.0-1-x86_64.pkg.tar.xz akonadi-calendar-debug-18.12.0-1-x86_64.pkg.tar.xz akonadi-calendar-tools-18.12.0-1-x86_64.pkg.tar.xz akonadi-calendar-tools-debug-18.12.0-1-x86_64.pkg.tar.xz akonadiconsole-18.12.0-1-x86_64.pkg.tar.xz akonadiconsole-debug-18.12.0-1-x86_64.pkg.tar.xz akonadi-contacts-18.12.0-1-x86_64.pkg.tar.xz akonadi-import-wizard-18.12.0-1-x86_64.pkg.tar.xz akonadi-import-wizard-debug-18.12.0-1-x86_64.pkg.tar.xz akonadi-mime-18.12.0-1-x86_64.pkg.tar.xz akonadi-notes-18.12.0-1-x86_64.pkg.tar.xz akonadi-search-18.12.0-1-x86_64.pkg.tar.xz akonadi-search-debug-18.12.0-1-x86_64.pkg.tar.xz akregator-18.12.0-1-x86_64.pkg.tar.xz akregator-debug-18.12.0-1-x86_64.pkg.tar.xz analitza-18.12.0-1-x86_64.pkg.tar.xz anki-2.1.8-1-x86_64.pkg.tar.xz aribb24-1.0.3-1-x86_64.pkg.tar.xz ark-18.12.0-1-x86_64.pkg.tar.xz ark-debug-18.12.0-1-x86_64.pkg.tar.xz artikulate-18.12.0-1-x86_64.pkg.tar.xz artikulate-debug-18.12.0-1-x86_64.pkg.tar.xz asciidoctor-1.5.8-1-any.pkg.tar.xz at-spi2-core-2.26.0-2-x86_64.pkg.tar.xz attica-qt5-5.53.0-1-x86_64.pkg.tar.xz attica-qt5-debug-5.53.0-1-x86_64.pkg.tar.xz audiocd-kio-18.12.0-1-x86_64.pkg.tar.xz automake-1.16.1-1-any.pkg.tar.xz baloo-5.53.0-1-x86_64.pkg.tar.xz baloo-debug-5.53.0-1-x86_64.pkg.tar.xz baloo-widgets-18.12.0-1-x86_64.pkg.tar.xz baloo-widgets-debug-18.12.0-1-x86_64.pkg.tar.xz bbswitch-0.8-51-x86_64.pkg.tar.xz bbswitch-lts-0.8-17-x86_64.pkg.tar.xz bdf-unifont-11.0.03-1-x86_64.pkg.tar.xz blinken-18.12.0-1-x86_64.pkg.tar.xz blinken-debug-18.12.0-1-x86_64.pkg.tar.xz bluedevil-5.14.4-2-x86_64.pkg.tar.xz bluedevil-debug-5.14.4-2-x86_64.pkg.tar.xz bluez-qt-5.53.0-1-x86_64.pkg.tar.xz bluez-qt-debug-5.53.0-1-x86_64.pkg.tar.xz bomber-18.12.0-1-x86_64.pkg.tar.xz bomber-debug-18.12.0-1-x86_64.pkg.tar.xz bovo-18.12.0-1-x86_64.pkg.tar.xz bovo-debug-18.12.0-1-x86_64.pkg.tar.xz breeze-5.14.4-2-x86_64.pkg.tar.xz breeze-debug-5.14.4-2-x86_64.pkg.tar.xz breeze-grub-5.14.4-2-any.pkg.tar.xz breeze-gtk-5.14.4-2-x86_64.pkg.tar.xz breeze-gtk-debug-5.14.4-2-x86_64.pkg.tar.xz breeze-icons-5.53.0-1-any.pkg.tar.xz breeze-plymouth-5.14.4-2-x86_64.pkg.tar.xz breeze-plymouth-debug-5.14.4-2-x86_64.pkg.tar.xz broadcom-wl-6.30.223.271-33-x86_64.pkg.tar.xz broadcom-wl-lts-6.30.223.271-12-x86_64.pkg.tar.xz btrfs-progs-4.19.1-3-x86_64.pkg.tar.xz ca-certificates-20181109-1-any.pkg.tar.xz ca-certificates-mozilla-3.41-1-x86_64.pkg.tar.xz ca-certificates-utils-20181109-1-any.pkg.tar.xz calendarsupport-18.12.0-1-x86_64.pkg.tar.xz calendarsupport-debug-18.12.0-1-x86_64.pkg.tar.xz cantor-18.12.0-1-x86_64.pkg.tar.xz cantor-debug-18.12.0-1-x86_64.pkg.tar.xz cervisia-18.12.0-1-x86_64.pkg.tar.xz cervisia-debug-18.12.0-1-x86_64.pkg.tar.xz cgroup_event_listener-4.19.12-1-x86_64.pkg.tar.xz chakra-common-18.12.0-1-x86_64.pkg.tar.xz chakra-init-live-2018.12-1-x86_64.pkg.tar.xz chakra-live-skel-2018.12-5-x86_64.pkg.tar.xz chd-nvidia-340xx-340.107-11-x86_64.pkg.tar.xz chd-nvidia-390xx-390.87-6-x86_64.pkg.tar.xz chd-nvidia-410.78-3-x86_64.pkg.tar.xz cmake-3.13.2-1-x86_64.pkg.tar.xz cpupower-4.19.12-1-x86_64.pkg.tar.xz crda-4.14-2-x86_64.pkg.tar.xz dbus-1.12.12-2-x86_64.pkg.tar.xz dbus-docs-1.12.12-2-x86_64.pkg.tar.xz dbus-glib-0.110-1-x86_64.pkg.tar.xz dolphin-18.12.0-1-x86_64.pkg.tar.xz dolphin-debug-18.12.0-1-x86_64.pkg.tar.xz dolphin-plugins-18.12.0-1-x86_64.pkg.tar.xz dolphin-plugins-debug-18.12.0-1-x86_64.pkg.tar.xz dragon-18.12.0-1-x86_64.pkg.tar.xz dragon-debug-18.12.0-1-x86_64.pkg.tar.xz drkonqi-5.14.4-2-x86_64.pkg.tar.xz drkonqi-debug-5.14.4-2-x86_64.pkg.tar.xz e2fsprogs-1.44.5-1-x86_64.pkg.tar.xz eventviews-18.12.0-1-x86_64.pkg.tar.xz eventviews-debug-18.12.0-1-x86_64.pkg.tar.xz extra-cmake-modules-5.53.0-1-x86_64.pkg.tar.xz ffmpegthumbs-18.12.0-1-x86_64.pkg.tar.xz filelight-18.12.0-1-x86_64.pkg.tar.xz filelight-debug-18.12.0-1-x86_64.pkg.tar.xz focuswriter-1.7.1-2-x86_64.pkg.tar.xz frameworkintegration-5.53.0-1-x86_64.pkg.tar.xz frameworkintegration-debug-5.53.0-1-x86_64.pkg.tar.xz granatier-18.12.0-1-x86_64.pkg.tar.xz granatier-debug-18.12.0-1-x86_64.pkg.tar.xz grantlee-editor-18.12.0-1-x86_64.pkg.tar.xz grantlee-editor-debug-18.12.0-1-x86_64.pkg.tar.xz grantleetheme-18.12.0-1-x86_64.pkg.tar.xz grantleetheme-debug-18.12.0-1-x86_64.pkg.tar.xz grub-1:2.02-2-x86_64.pkg.tar.xz gwenview-18.12.0-1-x86_64.pkg.tar.xz handbrake-cli-1.2.0-1-x86_64.pkg.tar.xz hyperv-4.19.12-1-x86_64.pkg.tar.xz incidenceeditor-18.12.0-1-x86_64.pkg.tar.xz incidenceeditor-debug-18.12.0-1-x86_64.pkg.tar.xz juk-18.12.0-1-x86_64.pkg.tar.xz juk-debug-18.12.0-1-x86_64.pkg.tar.xz k3b-18.12.0-1-x86_64.pkg.tar.xz k3b-debug-18.12.0-1-x86_64.pkg.tar.xz kaccounts-integration-18.12.0-1-x86_64.pkg.tar.xz kaccounts-providers-18.12.0-1-x86_64.pkg.tar.xz kactivities-5.53.0-1-x86_64.pkg.tar.xz kactivities-debug-5.53.0-1-x86_64.pkg.tar.xz kactivities-stats-5.53.0-1-x86_64.pkg.tar.xz kactivities-stats-debug-5.53.0-1-x86_64.pkg.tar.xz kactivitymanagerd-5.14.4-2-x86_64.pkg.tar.xz kactivitymanagerd-debug-5.14.4-2-x86_64.pkg.tar.xz kaddressbook-18.12.0-1-x86_64.pkg.tar.xz kaddressbook-debug-18.12.0-1-x86_64.pkg.tar.xz kajongg-18.12.0-1-x86_64.pkg.tar.xz kalarm-18.12.0-1-x86_64.pkg.tar.xz kalarmcal-18.12.0-1-x86_64.pkg.tar.xz kalarmcal-debug-18.12.0-1-x86_64.pkg.tar.xz kalarm-debug-18.12.0-1-x86_64.pkg.tar.xz kalgebra-18.12.0-1-x86_64.pkg.tar.xz kalzium-18.12.0-1-x86_64.pkg.tar.xz kalzium-debug-18.12.0-1-x86_64.pkg.tar.xz kamera-18.12.0-1-x86_64.pkg.tar.xz kamera-debug-18.12.0-1-x86_64.pkg.tar.xz kamoso-18.12.0-1-x86_64.pkg.tar.xz kanagram-18.12.0-1-x86_64.pkg.tar.xz kapidox-5.53.0-1-any.pkg.tar.xz kapman-18.12.0-1-x86_64.pkg.tar.xz kapman-debug-18.12.0-1-x86_64.pkg.tar.xz kapptemplate-18.12.0-1-x86_64.pkg.tar.xz karchive-5.53.0-1-x86_64.pkg.tar.xz karchive-debug-5.53.0-1-x86_64.pkg.tar.xz kate-18.12.0-1-x86_64.pkg.tar.xz kate-debug-18.12.0-1-x86_64.pkg.tar.xz katomic-18.12.0-1-x86_64.pkg.tar.xz katomic-debug-18.12.0-1-x86_64.pkg.tar.xz kauth-5.53.0-1-x86_64.pkg.tar.xz kauth-debug-5.53.0-1-x86_64.pkg.tar.xz kbackup-18.12.0-1-x86_64.pkg.tar.xz kblackbox-18.12.0-1-x86_64.pkg.tar.xz kblackbox-debug-18.12.0-1-x86_64.pkg.tar.xz kblocks-18.12.0-1-x86_64.pkg.tar.xz kblocks-debug-18.12.0-1-x86_64.pkg.tar.xz kblog-18.12.0-1-x86_64.pkg.tar.xz kblog-debug-18.12.0-1-x86_64.pkg.tar.xz kbookmarks-5.53.0-1-x86_64.pkg.tar.xz kbookmarks-debug-5.53.0-1-x86_64.pkg.tar.xz kbounce-18.12.0-1-x86_64.pkg.tar.xz kbounce-debug-18.12.0-1-x86_64.pkg.tar.xz kbreakout-18.12.0-1-x86_64.pkg.tar.xz kbreakout-debug-18.12.0-1-x86_64.pkg.tar.xz kbruch-18.12.0-1-x86_64.pkg.tar.xz kbruch-debug-18.12.0-1-x86_64.pkg.tar.xz kcachegrind-18.12.0-1-x86_64.pkg.tar.xz kcachegrind-debug-18.12.0-1-x86_64.pkg.tar.xz kcalc-18.12.0-1-x86_64.pkg.tar.xz kcalc-debug-18.12.0-1-x86_64.pkg.tar.xz kcalcore-18.12.0-1-x86_64.pkg.tar.xz kcalcore-debug-18.12.0-1-x86_64.pkg.tar.xz kcalutils-18.12.0-1-x86_64.pkg.tar.xz kcalutils-debug-18.12.0-1-x86_64.pkg.tar.xz kcharselect-18.12.0-1-x86_64.pkg.tar.xz kcharselect-debug-18.12.0-1-x86_64.pkg.tar.xz kcmutils-5.53.0-1-x86_64.pkg.tar.xz kcmutils-debug-5.53.0-1-x86_64.pkg.tar.xz kcodecs-5.53.0-1-x86_64.pkg.tar.xz kcodecs-debug-5.53.0-1-x86_64.pkg.tar.xz kcolorchooser-18.12.0-1-x86_64.pkg.tar.xz kcolorchooser-debug-18.12.0-1-x86_64.pkg.tar.xz kcompletion-5.53.0-1-x86_64.pkg.tar.xz kcompletion-debug-5.53.0-1-x86_64.pkg.tar.xz kconfig-5.53.0-1-x86_64.pkg.tar.xz kconfig-debug-5.53.0-1-x86_64.pkg.tar.xz kconfigwidgets-5.53.0-1-x86_64.pkg.tar.xz kconfigwidgets-debug-5.53.0-1-x86_64.pkg.tar.xz kcontacts-18.12.0-1-x86_64.pkg.tar.xz kcontacts-debug-18.12.0-1-x86_64.pkg.tar.xz kcoreaddons-5.53.0-1-x86_64.pkg.tar.xz kcrash-5.53.0-1-x86_64.pkg.tar.xz kcrash-debug-5.53.0-1-x86_64.pkg.tar.xz kcron-18.12.0-1-x86_64.pkg.tar.xz kcron-debug-18.12.0-1-x86_64.pkg.tar.xz kdav-18.12.0-1-x86_64.pkg.tar.xz kdav-debug-18.12.0-1-x86_64.pkg.tar.xz kdbusaddons-5.53.0-1-x86_64.pkg.tar.xz kdbusaddons-debug-5.53.0-1-x86_64.pkg.tar.xz kdebugsettings-18.12.0-1-x86_64.pkg.tar.xz kdebugsettings-debug-18.12.0-1-x86_64.pkg.tar.xz kdeclarative-5.53.0-1-x86_64.pkg.tar.xz kdeclarative-debug-5.53.0-1-x86_64.pkg.tar.xz kde-cli-tools-5.14.4-2-x86_64.pkg.tar.xz kde-cli-tools-debug-5.14.4-2-x86_64.pkg.tar.xz kdecoration-5.14.4-2-x86_64.pkg.tar.xz kdecoration-debug-5.14.4-2-x86_64.pkg.tar.xz kded-5.53.0-1-x86_64.pkg.tar.xz kded-debug-5.53.0-1-x86_64.pkg.tar.xz kde-dev-scripts-18.12.0-1-any.pkg.tar.xz kde-dev-utils-18.12.0-1-x86_64.pkg.tar.xz kde-dev-utils-debug-18.12.0-1-x86_64.pkg.tar.xz kdeedu-data-18.12.0-1-x86_64.pkg.tar.xz kdegraphics-mobipocket-18.12.0-1-x86_64.pkg.tar.xz kdegraphics-mobipocket-debug-18.12.0-1-x86_64.pkg.tar.xz kdegraphics-thumbnailers-18.12.0-1-x86_64.pkg.tar.xz kdegraphics-thumbnailers-debug-18.12.0-1-x86_64.pkg.tar.xz kde-gtk-config-5.14.4-2-x86_64.pkg.tar.xz kde-gtk-config-debug-5.14.4-2-x86_64.pkg.tar.xz kdelibs4support-5.53.0-1-x86_64.pkg.tar.xz kdelibs4support-debug-5.53.0-1-x86_64.pkg.tar.xz kdenetwork-filesharing-18.12.0-1-x86_64.pkg.tar.xz kdenetwork-filesharing-debug-18.12.0-1-x86_64.pkg.tar.xz kdenlive-18.12.0-1-x86_64.pkg.tar.xz kdenlive-debug-18.12.0-1-x86_64.pkg.tar.xz kdepim-addons-18.12.0-1-x86_64.pkg.tar.xz kdepim-addons-debug-18.12.0-1-x86_64.pkg.tar.xz kdepim-apps-libs-18.12.0-1-x86_64.pkg.tar.xz kdepim-apps-libs-debug-18.12.0-1-x86_64.pkg.tar.xz kdepim-runtime-18.12.0-1-x86_64.pkg.tar.xz kdepim-runtime-debug-18.12.0-1-x86_64.pkg.tar.xz kdeplasma-addons-5.14.4-2-x86_64.pkg.tar.xz kdeplasma-addons-debug-5.14.4-2-x86_64.pkg.tar.xz kdesdk-thumbnailers-18.12.0-1-x86_64.pkg.tar.xz 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spirv-tools-2018.5-1-x86_64.pkg.tar.xz sqlcipher-4.0.0-1-x86_64.pkg.tar.xz step-18.12.0-1-x86_64.pkg.tar.xz step-debug-18.12.0-1-x86_64.pkg.tar.xz subversion-1.11.0-1-x86_64.pkg.tar.xz svgpart-18.12.0-1-x86_64.pkg.tar.xz svgpart-debug-18.12.0-1-x86_64.pkg.tar.xz sweeper-18.12.0-1-x86_64.pkg.tar.xz sweeper-debug-18.12.0-1-x86_64.pkg.tar.xz syndication-1:5.53.0-1-x86_64.pkg.tar.xz syndication-debug-1:5.53.0-1-x86_64.pkg.tar.xz syntax-highlighting-5.53.0-1-x86_64.pkg.tar.xz syntax-highlighting-debug-5.53.0-1-x86_64.pkg.tar.xz systemd-239.303-2-x86_64.pkg.tar.xz systemd-resolvconf-239.303-2-x86_64.pkg.tar.xz systemsettings-5.14.4-2-x86_64.pkg.tar.xz systemsettings-debug-5.14.4-2-x86_64.pkg.tar.xz threadweaver-5.53.0-1-x86_64.pkg.tar.xz threadweaver-debug-5.53.0-1-x86_64.pkg.tar.xz tmon-4.19.12-1-x86_64.pkg.tar.xz turbostat-4.19.12-1-x86_64.pkg.tar.xz tzdata-2018i-1-x86_64.pkg.tar.xz umbrello-18.12.0-1-x86_64.pkg.tar.xz umbrello-debug-18.12.0-1-x86_64.pkg.tar.xz upower-0.99.9-1-x86_64.pkg.tar.xz usbip-4.19.12-1-x86_64.pkg.tar.xz user-manager-5.14.4-2-x86_64.pkg.tar.xz user-manager-debug-5.14.4-2-x86_64.pkg.tar.xz util-linux-2.33-1-x86_64.pkg.tar.xz util-linux-debug-2.33-1-x86_64.pkg.tar.xz vhba-module-20170610-21-x86_64.pkg.tar.xz vhba-module-dkms-20170610-21-x86_64.pkg.tar.xz vhba-module-lts-20170610-9-x86_64.pkg.tar.xz virtualbox-6.0.0-3-x86_64.pkg.tar.xz virtualbox-ext-oracle-6.0.0-3-x86_64.pkg.tar.xz virtualbox-ext-vnc-6.0.0-3-x86_64.pkg.tar.xz virtualbox-guest-dkms-6.0.0-3-x86_64.pkg.tar.xz virtualbox-guest-iso-6.0.0-3-x86_64.pkg.tar.xz virtualbox-guest-utils-6.0.0-3-x86_64.pkg.tar.xz virtualbox-guest-utils-nox-6.0.0-3-x86_64.pkg.tar.xz virtualbox-host-dkms-6.0.0-3-x86_64.pkg.tar.xz virtualbox-sdk-6.0.0-3-x86_64.pkg.tar.xz vlc-3.0.4-3-x86_64.pkg.tar.xz vpnc-0.5.3.1-6-x86_64.pkg.tar.xz vulkan-headers-1:1.1.92-1-any.pkg.tar.xz vulkan-html-docs-1.1.94-1-any.pkg.tar.xz vulkan-icd-loader-1.1.92-1-x86_64.pkg.tar.xz vulkan-intel-18.2.6-2-x86_64.pkg.tar.xz vulkan-radeon-18.2.6-2-x86_64.pkg.tar.xz vulkan-validation-layers-1.1.92.0-1-x86_64.pkg.tar.xz wayland-1.16.0-1-x86_64.pkg.tar.xz wayland-docs-1.16.0-1-x86_64.pkg.tar.xz wayland-protocols-1.17-1-any.pkg.tar.xz wireless-regdb-2018.10.24-1-x86_64.pkg.tar.xz x2goclient-4.1.2.1-1-x86_64.pkg.tar.xz x86_energy_perf_policy-4.19.12-1-x86_64.pkg.tar.xz xdg-desktop-portal-kde-5.14.4-2-x86_64.pkg.tar.xz xfsprogs-4.19.0-1-x86_64.pkg.tar.xz zeroconf-ioslave-18.12.0-1-x86_64.pkg.tar.xz zeroconf-ioslave-debug-18.12.0-1-x86_64.pkg.tar.xz

Most of our mirrors take 12-24 hours to synchronize with the central repositories on the origin server. Use the mirror status web page to see when your mirror of choice last synchronized.

Run sudo pacman -Syu to update and upgrade your system. It should be safe to answer y (for yes) to any question about replacing installed packages with new ones. If you have any issues updating or upgrading, reply to this topic with the complete input and output in English, i.e. run LC_ALL=C sudo pacman -Syu.

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“The KDE dragons” by Tyson Tan, Creative Commons BY-SA, made with Krita.

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LaKademy 2018

Saturday 5th of January 2019 04:59:19 PM

Past October 2018, Florianópolis hosted the 6th edition of LaKademy, the Latin-American KDE sprint. That moment is an opportunity to put together several KDE developers – both veterans and newcomers – from different projects in order to work for improve their respective software and plan the promotional actions of the community in the subcontinent.

In the technical side, I worked with Cantor, Sprat, the KDE Brasil and LaKademy websites.

For Cantor, I researched some new ways to implement backends, specifically the use of websockets. It is my old idea for a recommended approach to be used in order to support all backends in all platforms. But, like in previous attempts, I am in doubts if it is a interesting way and if the objectives could be achieved by it. Well, definitively it needs more research.

Sprat is a text editor aimed to write scientific papers. The software implements the Amadeus methodology for writing papers and it is more like a collection of common sentences to be used in specific sections of a paper.  Sprat is my toy project and I expect to release this year and turn it a KDE project in near future.

KDE Brasil website uses an old Drupal infrastructure. I and Fred researched for some plugins in order to import the texts to WordPress and currently we are studying how to do this task.

Last, I ported LaKademy website to Jekyll. It needs some work yet but I expect will be available soon.

In the social side, we discussed some activities for KDE this year like go back to FISL and Latinoware, try to go to new events in Latin-America (DebConf and Cubaconf, we are looking to you), organize the “Café com Qt” event (our distributed event about Qt and KDE), feedback about the management of KDE Brasil group chat in Telegram, our new promo materials to be produced and distributed in events here, and more.

In addition, I helped some newcomers in tasks like code review process in KDE and answer some doubts about Qt.

LaKademy is a great opportunity to meet other KDE developers and work to increase our community. Last years KDE took a prominent role in free software community in Brazil, and we are planning to expand it for different countries. We expect to organize next LaKademy in some country outside Brazil and work hard to expand the community in the subcontinent.

LaKademy 2018 Group Photo

See you in LaKademy 2019!

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