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Videos/Audiocasts/Shows: GNU/Linux and Python, Fresh Look at LMDE 4 Beta

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  • Hopeful for HAMR | TechSNAP 423

    We explore the potential of heat-assisted magnetic recording and get excited about a possibly persistent L2ARC.

    Plus Jim's journeys with Clear Linux, and why Ubuntu 18.04.4 is a maintenance release worth talking about.

  • 2020-02-21 | Linux Headlines

    Red Hat OpenStack Platform reaches version 16, Google announces the mentors for this year’s Summer of Code, DigitalOcean secures new funding, the Raspberry Pi 4’s USB-C power problems get a fix, and the GTK Project unveils its new website.

  • Talk Python to Me: #252 What scientific computing can learn from CS

    Did you come into Python from a computational science side of things? Were you just looking for something better than Excel or Matlab and got pulled in by all the Python has to offer? 

    That's great! But following that path often means some of the more formal practices from software development weren't part of the journey. 

    On this episode, you'll meet Martin Héroux, who does data science in the context of academic research. He's here to share his best practices and lessons for data scientists of all sorts.

  • Matt Layman: Templates and Logic - Building SaaS #45

    In this episode, we added content to a template and talked about the N+1 query bug. I also worked tricky logic involving date handling.

    The first change was to update a course page to include a new icon for any course task that should be graded. After adding this, we hit an N+1 query bug, which is a performance bug that happens when code queries a database in a loop. We talked about why this happens and how to fix it.

    After finishing that issue, we switched gears and worked on a tricky logic bug. I need a daily view to fetch data and factor in the relative time shift between the selected day and today. We wrote an involved test to simulate the right conditions and then fixed the code to handle the date shift properly.

  • LMDE 4 Beta Debbie Run Through

    In this video, we are looking at LMDE (Linux Mint Debian Edition) 4 Debbie.

More in Tux Machines

Debian: RcppSimdJson, Opinionated IkiWiki and More

  • Dirk Eddelbuettel: RcppSimdJson 0.0.4: Even Faster Upstream!

    A new (upstream) simdjson release was announced by Daniel Lemire earlier this week, and my Twitter mentions have been running red-hot ever since as he was kind enough to tag me. Do look at that blog post, there is some impressive work in there. We wrapped up the (still very simple) rcppsimdjson around it last night and shipped it this morning. RcppSimdJson wraps the fantastic and genuinely impressive simdjson library by Daniel Lemire. Via some very clever algorithmic engineering to obtain largely branch-free code, coupled with modern C++ and newer compiler instructions, it results in parsing gigabytes of JSON parsed per second which is quite mindboggling. For illustration, I highly recommend the video of the recent talk by Daniel Lemire at QCon (which was also voted best talk). The best-case performance is ‘faster than CPU speed’ as use of parallel SIMD instructions and careful branch avoidance can lead to less than one cpu cycle use per byte parsed.

  • Jonathan Dowland: Opinionated IkiWiki

    For various personal projects and things, past and present (including my personal site) I use IkiWiki, which (by modern standards) is a bit of a pain to set up and maintain. For that reason I find it hard to recommend to people. It would be nice to fire up a snapshot of an existing IkiWiki instance to test what the outcome of some changes might be. That's cumbersome enough at the moment that I haven't bothered to do it more than once. Separately, some months ago I did a routine upgrade of Debian for the web server running this site, and my IkiWiki installation broke for the first time in ten years. I've never had issues like this before.

  • Thorsten Alteholz: My Debian Activities in March 2020

    This month I accepted 156 packages and rejected 26. The overall number of packages that got accepted was 203.

Python Programming

  • Python 2.7.8 : Using python scripts with Revit Dynamo.

    Dynamo is a visual programming tool that extends the power of the Revit by providing access to Revit API (Application Programming Interface. Dynamo works with node, each node have inputs and outputs and performs a specific task. This is a short tutorial about how you can use your python skills with Revit and Dynamo software.

  • Getting started with Django middleware

    Django comes with a lot of useful features. One of them is middleware. In this post I'll give a short explanation how middleware works and how to start writing your own.

  • Talk Python to Me: #258 Thriving in a remote developer environment

    If you are listening to this episode when it came out, April 4th, 2020, there's a good chance you are listening at home, or on a walk. But it's probably not while commuting to an office as much of the world is practicing social distancing and working from home. Maybe this is a new experience, brought upon quickly by the global lockdowns, or maybe it's something you've been doing for awhile. Either way, being effective while working remotely, away from the office, is an increasingly valuable skill that most of us in the tech industry have to quickly embrace. On this episode, I'll exchange stories about working from home with Jayson Phillips. He's been writing code and managing a team from his home office for years and has brought a ton of great tips to share with us all.

  • How TO GET STARTED WITH Machine Learning
  • Weekly Python StackOverflow Report: (ccxxii) stackoverflow python report

today's howtos

Games: Anodyne, Streets of Rogue, Vendetta Online and More

  • Analgesic Productions have opened up the source for their Zelda-lite 'Anodyne'

    Anodyne, a Zelda-lite action adventure from Analgesic Productions from back in 2013 has today had the code opened up. Looking over the project, it's not open source as they have their own custom licensing with a number of restrictions on it. So by the definition of open source, it is not, it's more like "source open" but it's still a very nice gesture. It's similar in spirit to what Terry Cavanagh did with VVVVVV, in fact the licensing is actually an adaption of theirs. Hopefully with this move, someone can port it over to something more modern rather than Flash/Air—that certainly would be nice to see. Especially if the developer then pulled that back in to update it for everyone.

  • Looks like there's going to be a 'Streets of Rogue 2' and I'm definitely happy with that

    Streets of Rogue released in 2019 and it's one of my absolute favourites from last year (still is this year to be honest with you, it's just that good). The developer, Matt Dabrowski, recently outlined their future plans which will include a sequel. The 2019 release was after over six years of development, and at least half of that it was available in some form to the public. First as a free taster and later a full game. In an announcement on Steam about the latest update, Dabrowski mentioned how they would like to "take Streets of Rogue in some big new directions" and so they've "decided to begin work on a sequel".

  • Vendetta Online goes free to play until June 1 giving anyone full access

    Vendetta Online, something of a classic MMO space game is now free to play for everyone until June 1. Everyone will be treated as if they're a paying player during this time. Why are they doing this for so long? They said they wanted to offer a bit of sanctuary to players, somewhere "they can virtually go and be (politely) social, interact with others, and perhaps get a little respite from the chaos". They are of course referring to the Coronavirus situation. Read more on that here.

  • “Crunch”: Video Game Development’s Dirty Secret

    James Wood reported for Game Revolution that game director Masahiro Sakurai, who created Super Smash Bros Ultimate,  went “to work with an IV drip instead of taking a day off.” As Wood noted, Sakurai’s admission “have raised eyebrows, even in an industry where he is known as “notoriously hard-working.”