2019-05-31

Best tech articles: WebAssembly and software testing

Pawel Wal

In the pursuit of operational velocity we often lose sight of the fundamentals. Hard-coding credentials, flakey specs, iffy untested Docker images… Admit it, you’ve been there at some point (or you’re very, very lucky). We’ll also take a look at how WebAssembly is used at scale by eBay.

Tests that sometimes fail

By Sam Saffron

If you’re running a Ruby on Rails operation you may very well be using gems that have Sam’s fingerprints on them. He’s also one of the masterminds behind the Discourse forum software. Here are his thoughts on “flakey” tests that flicker.

https://samsaffron.com/archive/2019/05/15/tests-that-sometimes-fail

A Fixture-Based Approach to Interface Testing in Rails

By Andrew Kozin

Using fixtures to test your models is one thing. But can you do it efficiently for complete user interfaces? Andrew of Evil Martians has an in-depth write-up of some clever techniques.

https://dev.to/evilmartians/a-fixture-based-approach-to-interface-testing-in-rails-2cd4

Broken by default: why you should avoid most Dockerfile examples

By Itamar Turner-Trauring

You’re dockerizing an app, in a hurry, and need just a little starting point to get going - it’s a story that we’ll all happen upon sooner or later. Sadly, a lot of the examples you can find by Googling are simply broken. Here’s how to avoid some common pitfalls.

https://pythonspeed.com/articles/dockerizing-python-is-hard/

Why AWS access and secret keys should not be in the codebase

By Tamás Sallai

While the more seasoned developers might just scream “OF COURSE!” at this headline, it’s always good to refresh some best practices and fundamentals. And it’ll be beneficial for your more junior colleagues (so send them this report!)

https://advancedweb.hu/2019/05/28/aws_config_credentials/

WebAssembly at eBay: A Real-World Use Case

By Pranav Jha and Senthil Padmanabhan

WebAssembly is still relatively new as far as battle-tested usages go, so it’s always interesting to read through a case study. It’s also a pretty surprising usage to say the least! Take a deep dive with Pranav and Senthil, it’s truly riveting.

https://www.ebayinc.com/stories/blogs/tech/webassembly-at-ebay-a-real-world-use-case/

Bonus! Something for the weekend perhaps? Here are three small yet surprising things you can do in JavaScript.

Read more:

Software Development

3 Useful HTML Tags You Might Not Know Even Existed

Nowadays, accessibility (A11y) is crucial on all stages of building custom software products. Starting from the UX/UI design part, it trespasses into advanced levels of building features in code. It provides tons of benefits for...

Jacek Ludzik

Software Development

5 examples of Ruby’s best usage

Have you ever wondered what we can do with Ruby? Well, the sky is probably the limit, but we are happy to talk about some more or less known cases where we can use this powerful language. Let me give you some examples.

Pawel Muszynski

Software Development

Maintaining a Project in PHP: 5 Mistakes to Avoid

More than one article has been written about the mistakes made during the process of running a project, but rarely does one look at the project requirements and manage the risks given the technology chosen.

Sebastian Luczak

Software Development

Why you will find qualified Ruby developers in Poland?

Real Ruby professionals are rare birds on the market. Ruby is not the most popular technology, so companies often struggle with the problem of finding developers who have both high-level skills and deep experience; oh, and by the...

Jakub