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@gaearon
gaearon / slim-redux.js
Last active May 5, 2024 15:14
Redux without the sanity checks in a single file. Don't use this, use normal Redux. :-)
function mapValues(obj, fn) {
return Object.keys(obj).reduce((result, key) => {
result[key] = fn(obj[key], key);
return result;
}, {});
}
function pick(obj, fn) {
return Object.keys(obj).reduce((result, key) => {
if (fn(obj[key])) {
@zsup
zsup / ddd.md
Last active June 14, 2024 09:58
Documentation-Driven Development (DDD)

Documentation-Driven Development

The philosophy behind Documentation-Driven Development is a simple: from the perspective of a user, if a feature is not documented, then it doesn't exist, and if a feature is documented incorrectly, then it's broken.

  • Document the feature first. Figure out how you're going to describe the feature to users; if it's not documented, it doesn't exist. Documentation is the best way to define a feature in a user's eyes.
  • Whenever possible, documentation should be reviewed by users (community or Spark Elite) before any development begins.
  • Once documentation has been written, development should commence, and test-driven development is preferred.
  • Unit tests should be written that test the features as described by the documentation. If the functionality ever comes out of alignment with the documentation, tests should fail.
  • When a feature is being modified, it should be modified documentation-first.
  • When documentation is modified, so should be the tests.
@stephenharris
stephenharris / color_luminance.php
Created May 7, 2013 14:19
Lighten or darken a given colour
<?php
/**
* Lightens/darkens a given colour (hex format), returning the altered colour in hex format.7
* @param str $hex Colour as hexadecimal (with or without hash);
* @percent float $percent Decimal ( 0.2 = lighten by 20%(), -0.4 = darken by 40%() )
* @return str Lightened/Darkend colour as hexadecimal (with hash);
*/
function color_luminance( $hex, $percent ) {
// validate hex string
@ctgswallow
ctgswallow / es_backup.sh
Last active November 14, 2022 05:33
Elasticsearch backup script
#!/bin/bash
################################################################
##### script to backup lucene index from elastic search ####
################################################################
# Shamelessly copied from https://gist.github.com/nherment/1939828
NOW=`date +%Y%m%d%H%M%S`
@tentacode
tentacode / list.html.twig
Created October 15, 2012 12:23
Twig recursive macro
{% macro recursiveCategory(category) %}
<li>
<h4><a href="{{ path(category.route, category.routeParams) }}">{{ category }}</a></h4>
{% if category.children|length %}
<ul>
{% for child in category.children %}
{{ _self.recursiveCategory(child) }}
{% endfor %}
</ul>