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Programming Leftovers

Submitted by Roy Schestowitz on Wednesday 14th of October 2020 04:54:35 PM Filed under
Development
  • GCC Getting Wired Up For Intel's Key Locker, UINTR, HRESET, AVX-VNNI - Phoronix

    Following this month's Intel programming reference manual update disclosing a number of new instruction set extensions, Intel's compiler engineers have gone public with patches for implementing some of these forthcoming CPU features.

  • Junichi Uekawa: I am planning on talking about Rust programming in Debian environment.

    I am planning on talking about Rust programming in Debian environment. Tried taking a video of me setting up the environment.

  • How to Remove Duplicate Values from an Array in PHP – TecAdmin

    Use PHP array_unique() function to remove all the duplicate values form an array. This function takes input of an array and return another array without duplicate values.

  • Dirk Eddelbuettel: tidyCpp 0.0.1: New package

    A new package arrived on CRAN a few days ago. It offers a few headers files which wrap (parts) of the C API for R, but in a form that may be a little easier to use for C++ programmers. I have always liked how in Rcpp we offer good parts of the standalone R Math library in a namespace R::. While working recently with a particular C routine (for checking non-ASCII characters that will be part of the next version of the dang package which collecting various goodies in one place), I realized there may be value in collecting a few more such wrappers. So I started a few simple ones starting from simple examples.

  • Grep and Map in Perl

    Both grep and map operate on lists: both input and output are lists. Perl grep that resembles Unix grep. Both are essentially an shorthand for the foreach loop and their execution involves execution an implicit loop over all elements of the list that is passed as the second argument. The have great value as in simple cases they allow to write more compact and faster code.

    Their main value is not a new functionality, but the ability to make the code more compact and transparent. Both functions accept two arguments: the first is an expression and the second is the list or array.

    The main difference between them is that grep can just select certain elements from the array or list, while map can transform them into a new array or list. That means that grep can be implemented via map, but not vice versa

  • New Proposed Standard to ensure secure time on the Internet

    The Proposed Standard for Network Time Security (NTS) has today been published by the IETF as RFC8915. This comes at the end of a five year development process. As one of the leading figures in NTS, Netnod has worked on all stages of NTS development from the IETF standard to software and hardware implementations at client and server levels. The publication of the NTS Proposed Standard as an RFC marks an important milestone in the development of secure time on the Internet.

    The current standard for receiving time information over the internet, the Network Time Protocol (NTP), was created in 1985. Over the last 35 years, a number of issues as well as some high-profile attacks have shown that NTP needs an increased level of security. The new Network Time Security (NTS) standard has been designed to fix that.

»

More in Tux Machines

digiKam 7.7.0 is released

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

Samsung, Red Hat to Work on Linux Drivers for Future Tech

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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