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pierrejoubert73 / ng-class-multiple.js
Created October 12, 2016 10:38
How to add multiple classes and expressions to the ng-class attribute.
<span class="label" ng-class="{'possibleValue1' : 'class1', 'possibleValue2' : 'class2', 'possibleValue3' : 'class3'}[object.value]" ng-bind-html='object.value'></span>
pierrejoubert73 / arrayOfFunctions.php
Last active October 14, 2016 08:43
How to dynamically call functions with x amount of parameters.
$results = array();
# The "$selected_functions" array will be constructed on the client side and posted to the PHP controller function.
# Populate the "$selected_functions" array based on user interaction with the UI.
$selected_functions = array(
"function_1" => array("parameter_1_1", "parameter_1_2", "parameter_1_3"),
"function_2" => array("parameter_2_1"),
pierrejoubert73 / array_agg_example.sql
Last active July 17, 2022 23:00
An example of using the array_agg() PostgreSQL function.
to_char(pc_games.release_date, 'YYYY-MM-DD') as release_date
array_to_string(array_agg(avid_fans.firstname || ' ' || avid_fans.surname), ', ', null) as fans
schema_A.pc_games as pc_games
inner join schema_A.avid_fans as avid_fans on ( = avid_fans.fk_pc_game_id)
pc_games.release_date > '2004-12-31'
group by
pierrejoubert73 / enums.sql
Last active November 21, 2016 12:43
How to view and alter enumerated types in PostgeSQL.
-- To view all values in the enum:
SELECT unnest(enum_range(NULL::schema.enum_name));
-- To add a value to the enum:
ALTER TYPE schema.enum_name ADD VALUE 'new_enum_value';
-- For more operation see:
pierrejoubert73 /
Last active March 12, 2024 06:06
How to import a dump file in PSQL.

Open terminal.

Connect to psql:

psql -p 5433

I find it easier to delete and recreate the DB to which you want to import. So ensure the databse you want to delete is listed:


pierrejoubert73 /
Last active June 11, 2024 03:27
How to add a collapsible section in markdown.

How to add a collapsible section in markdown

1. Example

Click me


  1. Foo
  2. Bar
    • Baz
  • Qux
pierrejoubert73 /
Last active March 5, 2024 15:30
How to add a git commit hook

Git Hooks - A very basic guide

The aim of this guide is to create the basic idea of how to set up a very basic hook. Once you've read through this guide, please read through the Git Hooks Documentation. But first...

What is a Git Hook?

In very basic terms, it's a thing that "fires off custom scripts when certain important actions occur". For example, each time we make a commit, a git hook will run some code that does some cool stuff automatically. Because sometimes we want stuff to happen automatically and Git Hooks help us do that!

Give me an example!

Oh, sure. Imagine a conversation between you and your supervisor that goes like this: