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Programming: Perl, Python, Java and JavaScript

  • Perl Weekly Challenge 61: Max Subarray Product and IP Address Partition

    These are some answers to the Week 61 of the Perl Weekly Challenge organized by Mohammad S. Anwar.

  • Dataquest: New Course: NumPy for Data Engineers

    We've just launched a new interactive online course that'll take you from zero to pro with NumPy in the context of data engineering — dive in!

  • Switch A Django Project To Use Pytest - Building SaaS #57

    In this episode, I replaced the default Django test runner to use pytest. We walked through installation, configuration, how to change tests, and the benefits that come from using pytest.

    We started by looking at the current state of the test suite to provide a baseline to compare against. After that, I went to PyPI to find the version of pytest-django that we wanted to install. I added the package to my requirements-dev.txt and installed the update.

  • Oracle’s Linux Team Wishes the Java Community a Happy 25th

    From one open source community to another, Oracle’s Linux team would like to congratulate the Java community on its 25th anniversary! Java has an impressive history. It was a breakthrough in programming languages, allowing developers to write once and have code run anywhere. And, it has enabled developers to create a myriad of innovative solutions that help run our world. Read Georges Saab’s post to learn more.

    Both open source technologies, Java and Linux benefit from communities that collectively drive their advancements. While the technologies aren’t similar, there are areas where both work together and complement each other.

    One area is Java’s support for Linux HugePages. Using Linux HugePages can improve system performance by reducing the amount of resources needed to manage memory. The result of less overhead in the system means more resources are available for Java and the Java app, which can make both run faster.

  • New Training Course Advances Knowledge to Encourage Node.js Application Development Careers

    LFW211, developed in conjunction with the OpenJS Foundation, is geared toward developers who wish to master and demonstrate Node.js specialization, in particular for creating Node.js applications. The course provides core skills for effectively harnessing a broad range of Node.js capabilities at depth, equipping developers with rigorous foundational skills and knowledge that will translate to building any kind of Node.js application or library.

Java programming language celebrates 25 years

  • Java programming language celebrates 25 years

    The Java programming language celebrates its silver anniversary this week, with May 23, 2020, marking 25 years from the day Sun Microsystems first introduced Java to the world. The venerable language has remained popular with enterprises even as a slew of rival languages, such as Python and Go, now compete for the hearts and minds of software developers. But Java is not standing still, with a revamp designed to address longtime pain points now in the offing.

    Arising out of the “Oak” project begun in 1991 and spearheaded by James Gosling, object-oriented Java gained fame for its “write once, run anywhere” portability, as the Java Virtual Machine supported multiple hardware platforms and operating systems, and Java applets could be run from a webpage. Java applets offered better performance than JavaScript for many years, but eventually fell out of favor with browser makers and were removed from Java in 2018.

Linux Foundation Launches Node.js Application Development Course

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Squeezing Extra Performance Out Of The Intel Core i9 10900K With Clear Linux

Besides disabling CPU security mitigations (not recommended if security is of importance), for those wanting to squeeze extra performance out of Intel CPUs like Comet Lake with the Core i9 10900K, loading Intel's performance-optimized Clear Linux is one such way. Here is a look at the current performance that can be gained out of using the latest rolling-release Clear Linux on the i9-10900K in comparison to Ubuntu 20.04 LTS. While Intel's Clear Linux team is investing less in the desktop to focus on cloud and server workloads, the distribution does continue maintaining its desktop ISO and more or less will still work fine on desktop systems like with the new Comet Lake S-Series. Just expect a more vanilla GNOME Shell experience with less customizations and focus on desktop packages/bundles. Read more

Stable Kernels: 5.6.16, 5.4.44, 4.19.126, 4.14.183, 4.9.226, and 4.4.226

  • Linux 5.6.16
    I'm announcing the release of the 5.6.16 kernel. All users of the 5.6 kernel series must upgrade. The updated 5.6.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.6.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-s...

  • Linux 5.4.44
  • Linux 4.19.126
  • Linux 4.14.183
  • Linux 4.9.226
  • Linux 4.4.226

Septor 2020.3 (June 3)

Tor Browser is fully installed (9.5) System upgrade from Debian Buster repos as of June 2, 2020 Update Linux Kernel to 5.4.19 Update Thunderbird to 68.8.0-1 Update VLC to 3.0.10 Update Youtube-dl to 2020.05.29 New add-ons: Ublock (Tor Browser), Enigmail (Thunderbird) Read more

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