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Android Leftovers

Debian Leftovers and Developers' Takes

  • Louis-Philippe Véronneau: Using Zoom's web client on Linux

    Like too many institutions, the school where I teach chose to partner up with Zoom. I wasn't expecting anything else, as my school's IT department is a Windows shop. Well, I guess I'm still a little disappointed. Although I had vaguely heard of Zoom before, I had never thought I'd be forced to use it. Lucky for me, my employer decided not to force us to use it. To finish the semester, I plan to record myself and talk with my students on a Jitsi Meet instance. I will still have to attend meetings on Zoom though. I'm well aware of Zoom's bad privacy record and I will not install their desktop application. Zoom does offer a web client. Sadly, on Linux you need to jump through hoops to be able to use it.

  • Mike Gabriel: Mailman3 - Call for Translations (@Weblate)

    Over the last months I have found an interest in Mailman3. Given the EOL of Python2 in January 2020 and also being a heavy Mailman2 provider for various of my projects and also for customers, I felt it was time to look at Mailman2's successor: Mailman3 [1]. One great novelty in Mailman3 is the strict split up between backend (Mailman Core), and the frontend components (django-mailman3, Postorius, Hyperkitty). All three are Django applications. Postorius is the list management web frontend whereas Hyperkitty is an archive viewer. Other than in Mailman2, you can also drop list posts into Hyperkitty directly (instead of sending a mail to the list). This makes Hyperkitty also some sort of forum software with a mailing list core in the back. The django-mailman3 module knits the previous two together (and handles account management, login dialog, profile settings, etc.).

  • Sven Hoexter: Looking into Envertech Enverbridge EVB 202 SetID tool

    Disclaimer: I'm neither an experienced programmer nor proficient in reverse engineering, but I like at least to try to figure out how things work. Sometimes the solution is so easy, that even I manage to find it, still take this with a grain of salt. I lately witnessed the setup of an Envertech EnverBridge ENB-202 which is kind of a classic Chinese IoT device. Buy it, plug it in, use some strange setup software, and it will report your PV statistics to a web portal. The setup involved downloading a PE32 Windows executable, with an UI that basically has two input boxes and a sent button. You've to input the serial number(s) of your inverter boxes and the ID of your EnverBridge. That made me interested in what this setup process really looks like. The EnverBridge device itself has on one end a power plug, which is also used to communicate with the inverter via some Powerline protocol, and a network plug with a classic RJ45 end you plug into your network. If you power it up it will request an IPv4 address via DHCP. That brings us to the first oddity, the MAC address is in the BC:20:90 prefix which I could not find in the IEEE lists.

  • Paulo Henrique de Lima Santana: My free software activities in February 2020

    I started to talk with Maristela from IEP - Instituto de Engenharia do Paraná and after some messages and I joined a meeting with her and other members of Câmara Técnica de Eletrônica, Computação e Ciências de Dados. I explained about FLISOL in Curitiba to them and they agreed to host the event at IEP. I asked to use three spaces: Auditorium for FLISOL talks, Salão Nobre for meetups from WordPress and PostgreSQL Communities, and the hall for Install Fest. Besides FLISOL, they would like to host other events and meetups from Communities in Curitiba as Python, PHP, and so on. At least one per month.

  • Covid 19 and the Indian response.

    There have been lot of stories about Coronavirus and with it a lot of political blame-game has been happening. The first step that India took of a lockdown is and was a good step but without having a plan as to how especially the poor and the needy and especially the huge migrant population that India has (internal migration) be affected by it. A 2019 World Economic Forum shares the stats. as 139 million people. That is a huge amount of people and there are a variety of both push and pull factors which has displaced these huge number of people. While there have been attempts in the past and probably will continue in future they will be hampered unless we have trust-worthy data which is where there is lots that need to be done. In the recent few years, both the primary and secondary data has generated lot of controversies within India as well as abroad so no point in rehashing all of that. Even the definition of who is a ‘migrant’ needs to be well-established just as who is a ‘farmer’ . The simplest lucanae in the later is those who have land are known as ‘farmers’ but the tenant farmers and their wives are not added as farmers hence the true numbers are never known. Is this an India-specific problem or similar definition issues are there in the rest of the world I don’t know. [...] What is worrying though that people can be infected twice or more as seems to be from Singapore or China and elsewhere. I have read enough of Robin Cook and Michael Crichton books to be aware that viruses can do whatever. They will over time mutate, how things will happen then is anybody’s guess. What I found interesting is the world economic forum article which hypothesis that it may be two viruses which got together as well as research paper from journal from poteome research which has recently been published. The biggest myth flying around is that summer will halt or kill the spread which even some of my friends have been victim of . While a part of me wants to believe them, a simple scientific fact has been viruses have probably been around us and evolved over time, just like we have. In fact, there have been cases of people dying due to common cold and other things. Viruses are so prevalent it’s unbelivable. What is and was interesting to note is that bat-borne viruses as well as pangolin viruses had been theorized and shared by Chinese researchers going all the way back to 90’s . The problem is even if we killed all the bats in the world, some other virus will take its place for sure. One of the ideas I had, dunno if it’s feasible or not that at least in places like Airports, we should have some sort of screenings and a labs working on virology. Of course, this will mean more expenses for flying passengers but for public health and safety maybe it would worth doing so. In any case, virologists should have a field day cataloging various viruses and would make it harder for viruses to spread as fast as this one has. The virus spread also showed a lack of leadership in most of our leaders who didn’t react fast enough. While one hopes people do learn from this, I am afraid the whole thing is far from over. These are unprecedented times and hope that all are maintaining social distancing and going out only when needed.

Python Programming

  • Lists in python – Python list methods

    In this chapter, we will create simple python programs that will demonstrate the usage of various python list methods.

  • The one where we build a web scrapper and a slackbot - Part 1
  • The one where we build a web scrapper and a slackbot - Part 2
  • Exporting pandas DataFrames into SQLite with SQLAlchemy

    It is common when performing exploratory data analysis, for example when examining COVID-19 data with pandas, to load from files like a CSV, XML, or JSON into a pandas DataFrame. You may then do some work with the data in the DataFrame and want to store it in a more durable location like a relational database.

  • Mike Driscoll: PyDev of the Week – Abigail Mesrenyame Dogbe

    This week we welcome Abigail Mesrenyame Dogbe (@MesrenyameDogbe) as our PyDev of the Week! Abigail is active with the PyLadies organization in Africa and has also helped organize PyCon Africa. Abigail is also a fellow of the Python Software Foundation. [...] I worked with the Internal Audit Department at the Ghana Community Network Services Limited (GCNet) after obtaining a BSc in Computer Science and Engineering from the University of Mines and Technology in Tarkwa, Ghana. Growing up, I struggled with Mathematics and did lots of drawings, paintings, and singing during my hobbies. My hobbies became numerous as I matured so much that I no longer make drawings and paintings but I’ve found happiness in playing with African beads to make accessories and I still sing a lot, although mostly to smaller groups or to myself. I have a great interest in sports such as volleyball, football and swimming as well. During my final year at the university, I was elected as the captain of the women’s volleyball team. We had lots of training sessions and won a few matches. I am actually impressed with how far the team has come after I completed school. Also, I have a keen interest in Tech Community Building and I find joy in helping others grow in their career.

Software: 12 Best Open-Source Software to Try, 21 Best Free and Affordable Video Editing Software, Nageru and Mark Text

  • 12 Best Open-Source Software to Try in 2020

    Open-source software feels like an anomaly in today’s corporate tech world. The idea that a community of developers are happy to work on a piece of software – usually for no money – for literally years seems ludicrous, and speaks to the passion that people have for making technology for the benefit of everyone. Open-source devs, we salute you!

    So to honor these tireless workers who quietly make our day-to-day computer experiences that much better, we’ve decided to write up a multi-platform list of what we deem the best open-source software you can get in 2020.

    Do note that there are tons of open-source software out there, and we can’t possibly cover all of them. That said, here are what we think are the best for the end user. Opinions may differ though.

  • 21 Best Free and Affordable Video Editing Software In 2020

    With so many options available in the market, we have curated the list of the best free video editing programs along with affordable ones. This is for people who are just looking to start but are also serious about video editing and want to take it to a professional level.

  • Nageru 1.9.2 released

    Obviously, the Covid-19 outbreak caused some of my streaming events to be cancelled, but that's a small thing in the big picture. However, I've accumulated a fair amount of changes to both Nageru, my video mixer, and Futatabi, my slow motion video server, this winter and spring. I've packaged them up and released 1.9.2. As usual, you can get both at https://nageru.sesse.net/, and they're also on the way up to Debian unstable.

  • Mark Text Markdown Editor 0.16 Released With Experimental Spell Checker, Support For Custom Fonts

    Mark Text, a popular Markdown editor, had a new release over the weekend (0.16.0, followed by 0.16.1 to fix a bug). This update brings an experimental spell checker, file encoding support, support for custom fonts, and much more. Mark Text is a free and open source Electron Markdown editor for Windows, macOS and Linux. It features CommonMark and GitHub Flavored Markdown, seamless live preview, multiple edit modes (Typewriter, Source Code and Focus), and support for code fence for all popular languages.