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Programming Leftovers

Submitted by Roy Schestowitz on Monday 1st of February 2021 05:11:51 PM Filed under
Development
  • A new take on programming trends: You know what's not a bunch of JS? Devs learning Python and Java ahead of JavaScript

    A report from an online learning platform presents a different take on programming language and devops trends, showing Python and Java ahead of the usual survey winner JavaScript.

    O'Reilly veep of content strategy Mike Loukides aimed to discover "real trends" which "unfold on much longer time scales" rather than the current use snapshots in other surveys such as Redmonk's language rankings.

    Investigating what people want to learn is a reasonable angle on this – especially if online learning is your business. The new report on 2020 covers "all usage of our platform, not just content that O'Reilly has published, and certainly not just books."

  • Qt 6.1 Feature Freeze Now In Effect - Phoronix

    While Qt 6.0 wasn't even released a full two months ago, the Qt 6.1 feature freeze went into effect this morning in trying to get out this next update sooner.

    This year's Qt 6.1 and Qt 6.2 releases are expected to be released on a tighter timeline than the prior cadence. If all goes well this means Qt 6.1 will be out before the end of April, barring any delays.

  • POSIX Read Function in C Programing

    In traditional POSIX compatible operating systems, to get information from a document contained in a file system, a program used the read system call. A document descriptor that is usually accessed from a prior call to open is defined by the file. This read system call reads out the information in bytes and the integer of which the caller specifies from the document, and then saves it in a buffer provided by the calling mechanism.

  • Perl Weekly Challenge 97: Caesar Cipher and Binary Substrings

    A Caesar cypher is a weak form of encryption that involves “rotating” each letter of the input string by a fixed number of places. To rotate a letter means to shift it through the alphabet, wrapping around to the end if necessary. In the movie 2001: A Space Odyssey, the spaceship’s computer is called HAL, which is IBM left rotated by 1.

    Note that the task description says that the input string contains only the letters A..Z, but the example provided also contains spaces which are not in the encrypted solution. So we need to handle spaces as a special case. Depending on the language, my solutions will either handle spaces as one special case, or decide not to convert any letter outside of the A..Z range in order, for example, to preserve also punctuation marks).

  • Computing factorials using Raku – Andrew Shitov

    In this post, I’d like to demonstrate a few ways of computing factorials using the Raku programming language.

  • gemini:// space

    Recently I have become curious about the Gemini Project and the content that people have made available to be retrieved over the gemini:// protocol. I’m not convinced by the arguments for not just using http, and mostly it’s just that I typically find more things that I am interested in casually reading through on people’s gemlogs than I would on, say, reddit, and similar aggregators. But presumably advocates of gemini:// and the text/gemini format would argue that it’s various respects in which it differs from the web that makes geminispace conducive to the production of the sort of content you find there. So I’m remaining open minded about the possibility that having a completely separate protocol is important, and not just an annoyance because rss2email doesn’t work and I had to spend time writing gmi2email.

»

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After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

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The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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