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Daan Wilmer

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The linux commands that help me work

tail -n 20 error.log to get the last 20 lines of the erro...

1 Simple Trick to Boost Performance Using Reduce

Good point! I just did that, and this is what I get: map ti...

1 Simple Trick to Boost Performance Using Reduce

The readability issue here, is that map, filter, and reduce c...

Give one Short Piece of Advice or Wisdom to Beginning Programmers

Don't worry too much about optimization. First make sure you ...

A Guide to Deep Work: How to Achieve the Ultimate Productivity

I love doing deep work, but lately I'm having trouble getting...

How to write a different PHP?

New in 7.4 are the arrow functions and the $foo ??= 'bar; ass...

I'm loosing my enthusiasm to code.

What I (not nearly often enough) try to do is find somethin...

Wouldn't it be cool if DEV could render LaTeX?

Cool to see that LaTeX∈Supported Features\text{\LaT...

Daily Challenge #194 - Spread Number

I think you have an off-by-one error: spreadNumber(2) gives...

Achieving 100% code coverage will make you a better developer. Seriously.

Yes, but also no. Or maybe a "Yes, but...". To quote Maril...

Do you merge branches locally or create pull requests for personal projects?

A quick overview of what I found for Linux. Working (but n...

Daily Challenge #168 - [Code golf] f (f (f b)) = f b

Not a code golfer, but pretty compact with writing the way ...

Opinion: Architect VS Engineer VS Developer

From this, I assume you probably work alone or in small tea...

The Antipattern Antipattern

Looking at the list of anti-patterns on Wikipedia, the best...

Tell me an unpopular software opinion

You don't need to learn any git commands by heart. Just use...

Tell me an unpopular software opinion

I think that having a BSc (and MSc, now that I'm bragging) ...

Tell me an unpopular software opinion

Mutation testing

7 Shell Commands Which Make You Have A Smile

Wait, is -F gay what makes toilet produce a rainbow? That s...

A common coding interview question

To follow up: I made three versions of this code. The first...

A common coding interview question

function findIntersection($numbersAsStrings) { // parse...

Who still regularly uses jQuery?

I think your first reason is the main cause of that eighty-so...

Who is your hosting provider?

I'll have to plug my host greenhost. Prices vary based on w...

Daily Challenge #108 - Find the Counterfeit Coin

Good one! This changes it to the following code: function...

Daily Challenge #108 - Find the Counterfeit Coin

While one might be tempted at first to weigh all coins in p...

Daily Challenge #101 - Parentheses Generator

Quick formatting tip: type python after the three backticks...

Daily Challenge #101 - Parentheses Generator

Yeah, here is the most memory efficient one I could think o...

Daily Challenge #101 - Parentheses Generator

I whipped this one up in PHP, going for readability first. ...

Daily Challenge #97 - Greed is Good

What do you mean with "Don't mutate the input"? The variabl...

Acknowledging a World Designed for Men

I think systemic bias is also a large part of the reason why ...

What was the thing that made you finally 'get' JavaScript?

For javascript, I would say that there are several levels o...

Which Distribution of Linux Should I Use?

Also worthy of note: Ubuntu has dropped Unity since 18.04 (...

What do you use for password management?

Don't worry, it doesn't work. Most websites require an uppe...

War of the Git Flows

At my previous job, we had this discussion as well, and the...

What Does Your IDE/Code Editor Look Like?

Editor: PhpStorm (VSCode is great but paying for PhpStorm i...

Who are women that should get recognition for their contributions to software?

Almost cliché by now, but Margaret Hamilton! She is most fa...

Which Linux distribution is your favorite and why?

Why do you think a rolling-release distro is the best? My p...

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