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Tux Machines
Posted by Roy Schestowitz on Sep 10, 2022
> I previously announced the end of new Qt5-based Grantlee releases. The Grantlee template system is to find new life as part of KDE Frameworks 6 in the form of KTextTemplate. The Grantlee textdocument library will probably become part of another KDE library with similar scope.
> Meanwhile, some changes have accumulated since the last Grantlee release, so I’ve made a new release to make them available to users. Many of the changes are small, but with a few new features which were cherry-picked from the Cutelee repo.
> The other significant change is that Grantlee 5.3.0 can be built with Qt 6. This is not a change of plan regarding migration to KDE Frameworks, but is intended to assist with porting existing code to Qt 6.
> R Consortium recently talked to Mario Amau, co-organizer of the Vienna<-R about the lively R community in Vienna. The group is committed to providing its members with valuable talks and networking opportunities. The group is looking forward to restarting their live events, now hybrid, in September!
> Subversion is an open-source version tracking system. It keeps files in a central repository and provides version control over directories or files. As a developer, you can pull project files from a repository, make changes to them, and push them back again.
> Subversion also has a server component that you can use to host your projects. It works much like an ordinary file server.
> In January I wrote Compressed debug sections. The venerable zlib shows its age and there are replacements which are better in every metric except adoption. The obvious choice was Zstandard, but I was not so confident about solving the ecosystem issue if we adopted it for ELF compressed debug sections. At any rate, I slowly removed some legacy .zdebug support from llvm-project so that a new format could be more easily introduced.
> In June, Cole Kissane posted [RFC] Zstandard as a second compression method to LLVM on LLVM discourse forums. I learned that other folks were investigating a better compression format for ELF compressed debug sections and told myself: it's high time to propose ELFCOMPRESS_ZSTD to the generic System V Application Binary Interface (generic ABI).
> ELF is an elegant format which has passed the test of time. Many things created by the forefathers from 30 years ago carry over and are still used today. Every new feature, even a small addition like introducing a new constant has to pass a significant high bar for acceptance. There were many discussions on Add new ch_type value: ELFCOMPRESS_ZSTD.
> I redesign a grouped-bar chart to attempt to better align the logic of the display with the logic of the argument. The redesigned chart provides better visual access to year-by-year comparisons by different combinations of categories and reveals nuances in the data not obvious in the original chart.
> TrackMate is a plug-in for ImageJ which ships with Fiji. It’s essential for single particle tracking work, particularly for microscopy movies. For example, tracking the movement of fluorescent vesicles inside cells.
> A tracking session generates a TrackMate XML file. The idea was to write something for R that could load these XML files and do some analysis.
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