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Programming: GNU, Git, Perl, Python and Django

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  • Experimental Support For C++20 Coroutines Has Landed In GCC 10

    As of this morning experimental support for C++20 coroutines has been merged into the GCC 10 compiler!

    Coroutines allow a function to have its execution stopped/suspended and then to be resumed later. Coroutines is one of the big features of C++20. Sample syntax and more details on C++ coroutines can be found at cppreference.com.

    Coroutines support for GCC has been under development for months and now as a late addition to GCC 10 is the experimental implementation.

  • GNU Binutils 2.34 Branched - Bringing With It "debuginfod" HTTP Server Support

    With GNU Binutils 2.34 comes debuginfod support, which is the HTTP server catching our eye while the debuginfod server is distributed as part of the latest elfutils package. This isn't for a general purpose web server thankfully but is an HTTP server for distributing ELF/DWARF debugging information and source code. With debuginfod enabled, Binutils' readelf and objdump utilities can query the HTTP server(s) for debug files that cannot otherwise be found. Enabling this option requires building Binutils using --with-debuginfod.

  • Announcing git-cinnabar 0.5.3

    Git-cinnabar is a git remote helper to interact with mercurial repositories. It allows to clone, pull and push from/to mercurial remote repositories, using git.

  • Steve Kemp: Announce: github2mr

    myrepos is an excellent tool for applying git operations to multiple repositories, and I use it extensively.

    I've written several scripts to dump remote repository-lists into a suitable configuration format, and hopefully I've done that for the last time.

  • Term::ANSIColor 5.01

    This is the module included in Perl core that provides support for ANSI color escape sequences.

    This release adds support for the NO_COLOR environment variable (thanks, Andrea Telatin) and fixes an error in the example of uncolor() in the documentation (thanks, Joe Smith). It also documents that color aliases are expanded during alias definition, so while you can define an alias in terms of another alias, they don't remain linked during future changes.

  • Python 3.7.5 : Django security issues - part 001.

    Django like any website development and framework implementation requires security settings and configurations.
    Today I will present some aspects of this topic and then I will come back with other information.

  • How to display flash messages in Django templates

    Sometimes we need to show the one-time notification, also known as the flash messages in our Django application. For this Django provides the messages framework. We are going to use the same here.

    To show flash messages in the Django application, we will extend our previous project Hello World in Django 2.2. Clone the git repository, check out the master branch and set up the project on your local machine by following the instructions in the README file.

More in Tux Machines

Android Leftovers

Linux-driven i.MX8M Nano module is smallest yet

F&S announced a 40 x 35mm “PicoCore MX8MN” module that runs Linux on a single- or quad-core, 1.5GHz i.MX8M Nano with up to 8GB RAM, 32GB eMMC, and optional WiFi/Bluetooth and -40 to 85°C support. At Embedded World later this month, F&S Elektronik Systeme will show a working demo of a tiny compute module due in Q2 that runs a custom Linux stack on NXP’s i.MX8M Nano. At 40 x 35mm, the PicoCore MX8MN is the smallest of the Nano-based modules we’ve seen, which include IWave’s 67.6 x 37mm iW-RainboW-G34M-SM SODIMM module and a pair of 82 x 50mm SMARC modules: Congatec’s Conga-SMX8-Nano and Avnet/MSC’s MSC SM2S-IMX8MINI. Read more

Login and unlock in GNOME Shell 3.36

The upcoming GNOME 3.36 release includes a major update to the system login and unlock experience. The new design has been anticipated for a long time, and we’re excited that it has finally arrived! GNOME’s existing login and unlock design has been largely unaltered since it was first introduced in GNOME 3.6, back in September 2012. That’s seven and a half years ago! It’s therefore no surprise that we’ve wanted to update the design for some time. The initial round of design work for the new lock screen took place in 2017, at the GNOME UX hackfest in London. There, the GNOME design team, along with GNOME Shell developers, reviewed the goals and requirements, as well as the issues with the existing design, including the main areas of feedback that we’ve had. Read more

Evince chosen as the Librem 5 Document Viewer

The default Librem 5 applications define the out of the box experience. Our team has been hard at work adding essential apps that people expect from a smartphone. The latest is the popular FOSS document viewer Evince which we adapted using our powerful convergence library libhandy. We have put a lot of design and development into the idea of convergence – the ability to run applications on desktop and mobile without maintaining separate code basess or many additional views. libhandy has already been successfully used to adpat or build all the current Librem 5 apps including GNOME Settings, Epiphany, Calls, Chats and more. What makes libhandy so powerful for designers and developers is its simplicity. Just swap out your widget inheritance to use libhandy and add breakpoint logic. Read more