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Programming/Development: JavaScript, Python, Mozilla and Debian

Submitted by Roy Schestowitz on Friday 1st of February 2019 08:22:26 AM Filed under
Development
  • Using ES modules as a modern baseline for progressive enhancement

    It’s pretty commonplace today to write JavaScript using ES2015 (or ES6), and then to transpile that code to ES5 in a build step, using something like Babel. Transpiling enables us to write code using the latest ECMAScript syntax and features, but then compiles it in a backward compatible way so that it works with older browsers. The downside to this is that transpiling can also lead to increased bundle sizes if you’re not careful, and for browsers that already support ES2015 features, you’re potentially shipping a lot of redundant code. Modern browsers need neither the transpiled code, nor the polyfills that can get bundled along with it.

    Before we get into the details of this post, I’ll start by emphasizing that depending on your project and its target audience, transpiling and bundling your JavaScript may be the exact right thing to do still. Browser segmentation and page load times are key metrics to measure. However, the with technologies like HTTP/2 and support for ES modules landing in all major browsers, we now have other options on the table. There is a new opportunity to build progressively enhanced websites using modern ES2015 features, but without as much of the bloat and complicated build steps we’ve become accustomed to.

  • Tryton News: Newsletter February 2019
  • Teaching Python as a Corporate Trainer - Matt Harrison

    But the bulk of the conversation is about corporate training, with Brian playing the role of someone considering starting a corporate training role, and asking Matt, an experienced expert in training, how to start and where to go from there.

  • hashin 0.14.5 and canonical pip hashes
  • 10 years working for Mozilla

    10 years ago, today I started working for Mozillamessaging. I was using my own computer until fosdem 2009 during which Davida and I ended up a MediaMarkt in Brussels to buy my Mac (I needed a mac in order to be able to test Linux, Windows and MacOS), so I could properly work as the Thunderbird QA lead. When Mozilla phased out Thunderbird, I asked to join the IT team - my sneaky plan was to manage email but server side. I ended up in the SRE team that got renamed MOC. I've been contributing since probably 1999 (reporting bugs because mozilla wasn't available on my platform of choice). I've changed projects numerous time, The suite -> Camino -> Thunderbird -> IT. I've had 5 bosses. and used bugzilla probably more than what's good for my sanity.

  • Paul Wise: FLOSS Activities January 2019
»

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    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.

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