This is something for me (or anyone else really) because I keep forgetting all this stuff.

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• Pragmatic Tips

The Array.prototype functions have been available for a long time but it’s since Arrow functions that “Linq lambda syntax”-like functionality is available in JavaScript.

This blog post explains the most common functions by comparing them to their C# equivalents.

A basic example:

// JavaScript
const result = [0, 1, 2, 3, null]
    .filter(x => x !== null)
    .map(x => x * 10)
    .sort((a, b) => b - a);

expect(result).toEqual([30, 20, 10, 0]);

// C#
var result = new int?[] {0, 1, 2, 3, null}
    .Where(x => x != null)
    .Select(x => x * 10)
    .OrderByDescending(x => x)
    .ToArray();

Basic Shortcuts

Pipes: Chainable, declarative display-value transformations to use in your Html.

This post covers:

• All Builtin Angular pipes (json, async, string, array, i18n)
• How to install different locales (currency, decimal, date, percent)
• How to generate, implement and test your custom pipes
• Some examples of custom pipes (ngx-pipes and angular-pipes)

An example:

<!-- This does exactly what you'd think -->
{{ value | uppercase }}

Ideally one would create a new gitignored file to configure an application to fit his local development environment but when you do have to revert to modifying a committed configuration file, at least there is “git assume unchanged” to avoid committing your changes in these files accidentally.

Assume Unchanged

# Git assume a file
git update-index --assume-unchanged fileName

# And unassume with
git update-index --no-assume-unchanged fileName

Run any Autohotkey script on the web with a single.. Autohotkey hotkey.

A simple Autohotkey use case you can start using in your application right away:
Filling in an entire form with predefined values.

Mnemonics - helping developers remember intrinsics since 1973.

A mnemonic
a system such as a pattern of letters, ideas, or associations which assists in remembering something.