Programming: Continuous Integration, JavaScript Frameworks, Visualizing Molecules with Python
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Librsvg gets Continuous Integration
One nice thing about gitlab.gnome.org is that we can now have Continuous Integration (CI) enabled for projects there. After every commit, the CI machinery can build the project, run the tests, and tell you if something goes wrong.
Carlos Soriano posted a "tips of the week" mail to desktop-devel-list, and a link to how Nautilus implements CI in Gitlab. It turns out that it's reasonably easy to set up: you just create a .gitlab-ci.yml file in the toplevel of your project, and that has the configuration for what to run on every commit.
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The Brutal Lifecycle of JavaScript Frameworks
Using the Stack Overflow Trends tool and some of our internal traffic data, we decided to take a look at some of the more prominent UI frameworks: Angular, React, Vue.js, Backbone, Knockout, and Ember.
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Visualizing Molecules with Python
The PyMOL Wiki also hosts a script library, and it's a good place to look before you start down the road of creating your own script, as someone else may have run into the same issue and may have found a solution you can use. If nothing else, you may be able to find a script that could serve as a starting point for your own particular problem.
When you're are done working with PyMOL, there are many different ways to end the session. If there is work you are likely to pick up again and continue with, click File→Save Session to save all of the work you just did, including all of the transitions applied to the view. If the changes you made were actually structural, rather than just superficial changes to the way the molecule looked, you can save those structural changes by selecting File→Save Molecule. This allows you to write out the new molecule to a chemical file format, such as a PDB file.
If you need output for publications or presentations, a few different options are available. Clicking File→Save Image As allows you to select from saving a regular image file in PNG format or writing out data in a POVRay or VRML 3D file format. If you are doing a fancier presentation, you even can export a movie of your molecule by clicking File→Save Movie As. This lets you generate an MPEG movie file that can be used either on a web-based journal or within a slide deck for a presentation.
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