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Code snippets

You will find here 258 code snippets I find useful so I don't have to Google ™ or Stackoverflow ™ them when I need. There are also code snippets I always forget! 😁 Sometimes, related links to the code will be available. The main difference with other random snippets you will find on the web is that in most cases (for the Symfony related ones) you will be able to run them directly from this website to check the output so you can verify it works as expected ™.

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Getting your public IP address with the Symfony HTTP client

In this snippet, we will see how to get your public IP address with the Symfony HTTP client. Be careful that here, by public IP, I...

Symfony

Published on 2020-07-05 • Modified on 2020-07-05

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... by COil
 Symfony  HTTP  ip

Apache rules to redirect all URLs to HTTPS

In this snippet, we will see how to redirect all URLs of a domain to HTTPS through an Apache vhost. Be careful that I use this whe...

Apache

Published on 2020-07-04 • Modified on 2020-07-04

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... by COil
 Apache  SEO  vhost

Looping on JavaScript arrays

In this snippet, we will see how to loop on JavaScript arrays. I will go straight to the point and show my preferred ways, the fir...

JavaScript

Published on 2020-06-19 • Modified on 2020-06-19

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... by COil
 JavaScript  array

Testing the type of a variable in a Twig template

In this snippet, we will see how to test the type of a variable in a Twig template. We will create a small extension for this purp...

Twig

Published on 2020-06-15 • Modified on 2020-06-15

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... by COil
 Twig  extension  typeof  gettype

Testing if a variable is defined with JavaScript

In this snippet, we will see how to test if a variable is defined with JavaScript. To correctly understand the following code, we ...

JavaScript

Published on 2020-06-04 • Modified on 2020-06-04

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... by COil
 JavaScript  static-analysis

Creating a Postgres database with an associated user of the same name

In this snippet, we will see how to create a PostgreSQL database with an associated user of the same name. We create a user then w...

postgres

Published on 2020-05-27 • Modified on 2020-05-27

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... by COil
 postgres  SQL  Database

Adding or removing a class from an HTML element with JavaScript

In this snippet, we will see how to add or remove a class from an HTML element with JavaScript. It can be done with the classList ...

JavaScript

Published on 2020-05-23 • Modified on 2020-05-23

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... by COil
 JavaScript  html  css

Modifying the document title dynamically with Vue.js

In this snippet we will see how to alter the title element of an HTML document dynamically. It is something I use on my pomodoro.f...

Vue.js

Published on 2020-05-16 • Modified on 2020-05-16

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... by COil
 Vue.js  JavaScript  html  title  SEO

Repeatedly execute JavaScript code with setInterval

This function is the sibling of the setTimeout function we saw in the previous snippet. This time it will allow us executing some...

JavaScript

Published on 2020-05-06 • Modified on 2020-05-06

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... by COil
 JavaScript  timer

Executing JavaScript code at some point with setTimeout

This is a classical JavaScript snippet; I wanted to have it here on my blog with a live demo. Click on the button to trigger an al...

JavaScript

Published on 2020-05-02 • Modified on 2020-05-02

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... by COil
 JavaScript  timer