Remote pair programming tools
I've recently done a lot of pair programming remotely and tried a few different tools. I thought it would be interesting to share my…
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Rabea Gleissner
A place to share what I've been learning and making.
Things I wrote
Orthogonality
I'm reading The Pragmatic Programmer at the moment and they explain what orthogonal systems are. I feel like I had heard about it before but…
How does the rice cooker know when the rice is done?
Every time I cook rice, I ask myself this question. Today I looked it up.I figured that it would have some sort of sensor to measure the…
Kaizen
I came across this philosophy in the new edition of the Pragmatic Programmer book. (I guess the original version talks about it too but I…
Assert that an object has keys with expect.js
We’re using expect.js at work for our test assertions. And today I learnt that you can have an assertion on whether an object has a key or…
Bash script to run a test lots of times
This is probably more a note for myself rather than anything else… but why not make it public? Maybe someone else is looking for just that…
Comparing dates in JS
I’ve recently done a lot with dates and times. And I found it really fiddly. Comparing dates, comparing times of days… and I learnt a few…
Ignoring elements when destructuring an array in JS
Recently, while I was pairing with Federico, he wrote some code like this:And my reaction was: "You have a rogue comma there!" But no… he…
Vim snippet for console logging
I did another one today to easier debugging in JavaScript.When your cursor is on a word in normal mode, you can type and it will insert a…
Vim snippet to focus on a test
The amount of times that I've finished writing the expectation of a test, then navigated up to the description of the test (usually using…
What exactly is Opera Mini?
I feel like every time I look at caniuse.com to see what the browser support is for certain CSS or JS features, there’s usually a mix of…
WebP image compression
I’m really not keeping up with the latest web development trends… Today was the first time that I heard about WebP. It’s an image format…
Private and public browser cache
One of the many wondrous things you can inspect in the Chrome developer console are the cache-control settings.The first value it specifies…
Express routing error
What Express is trying to tell you is that your route is calling a controller function that doesn’t exist… Because you renamed it in the…
Slack - toggle right pane
I think threads on Slack are great - they keep the channel a lot tidier. It just always annoyed me that I couldn’t figure out which shortcut…
Elixir module not available
I’m working on a small side project in Elixir and last time I worked on it, I got stuck because I got this error.I had just written a…
Elixir - you can pattern match on strings?!
Wow, maybe this should have been obvious but I didn’t realise that until now. That’s so cool!I’m working on a slack bot and need to parse…
dangerouslySetInnerHTML
Sounds pretty wild and like something you probably don’t want to touch with a bargepole! Au contraire. I’ve seen it all over our Tes…
MongoDb write concerns
I’ve been doing the MongoDB for JavaScript developers course by MongoDB University. Today I learnt about write concerns.Let’s say we are…
Function capturing in Elixir
In Elixir you sometimes need an anonymous function instead of a named function. The difference is that an anonymous function has access to…
MongoDB lookups
As part of the MongoDB University course that I’m doing, I had to write an aggregation with a $lookup 😱And I learnt that lookups are…
Edit view vs read-only view
At work we’re aiming to build a new system in the most Lean way possible. Which basically means that we’re trying to get it up and running…
Formatting dates with toLocaleString in JavaScript
I’ve worked with JavaScript for a while now but somehow I had never come across the function to display dates in the front end. The…
React Hooks in production
Today I used React Hooks for the first time in a production project. Boom! Modern JavaScript. I used the state hook which replaces and…
Upgrade to Neovim
As a modern woman, I’d been thinking about upgrading to Neovim for a while. (OK, you might argue, that as a modern woman I should have…
Using environment variables in your node script
It’s as easy as this. In your code, use . And when you run your script with set the environment variables first. So it’ll be something…
Backpressure and pressure-stream in Node.js
I’m working on a story to take some data from one database, transform it and then save it in another database. So I need to write a script…
Writing a bash function for find and replace
I wanted to have a shortcut to find and replace words in the whole project. There’s this command that I googled and thought it was a bit…
Changing an index to a sparse index in MongoDB
An index on a specific fields means that when we do a query using that field, it will be more performant. But what happens when not all…
lodash fp
Today my colleague Federico introduced me to the functional programming library of lodash. We were using . Here’s how we used it: We had a…
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