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@silversillu
silversillu / rage-clicks.js
Created September 18, 2019 07:36
Tracking Rage Clicks using GTM
if ( typeof(jQuery) === 'function' ) {
jQuery(document).ready(function($) {
jQuery.fn.extend({
getPath: function() {
var path, node = this;
while (node.length) {
var realNode = node[0],
name = realNode.localName;
if (!name) break;
name = name.toLowerCase();
@mwickett
mwickett / formikApollo.js
Last active December 20, 2022 23:00
Formik + Apollo
import React from 'react'
import { withRouter, Link } from 'react-router-dom'
import { graphql, compose } from 'react-apollo'
import { Formik } from 'formik'
import Yup from 'yup'
import FormWideError from '../elements/form/FormWideError'
import TextInput from '../elements/form/TextInput'
import Button from '../elements/form/Button'
import { H2 } from '../elements/text/Headings'
@lqt0223
lqt0223 / knapsack.js
Created April 11, 2017 11:52
20 0-1 Knapsack problem in JavaScript
/* 0-1 knapsack problem
For an overall introduction to knapsack problem, see https://en.wikipedia.org/wiki/Knapsack_problem
Function name: knapsack
Param:
items: an array of {w: v:} (where 'w' stands for weight, and 'v' stands for value)
capacity: a positive integer number
Will return max sum value that can reach, and the chosen subset to add up to the value.
@remarkablemark
remarkablemark / README.md
Last active June 8, 2024 21:48
Classes - ES5 vs ES6

JavaScript Classes - ES5 vs ES6

An example that shows the difference between creating a JavaScript class and subclass in ES5 and ES6.

Reference

@derhuerst
derhuerst / intro.md
Last active July 19, 2024 05:46
Installing the Z Shell (zsh) on Linux, Mac OS X and Windows

Installing zsh – the easy way

The Z shell (zsh) is a Unix shell [...]. Zsh can be thought of as an extended Bourne shell with a large number of improvements, including some features of bash, ksh, and tcsh.

Z shell – Wikipedia

Read more about ZSH at An Introduction to the Z Shell.

Choose one of the following options.

@Kartones
Kartones / postgres-cheatsheet.md
Last active July 25, 2024 09:09
PostgreSQL command line cheatsheet

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

  • -E: will describe the underlaying queries of the \ commands (cool for learning!)
  • -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
@Davidebyzero
Davidebyzero / gist:9221685
Last active August 23, 2023 07:14
Best known Regex Golf solutions (SPOILERS) - Classic level set - (SPOILERS)
@agrueneberg
agrueneberg / client.html
Last active March 19, 2023 06:48
HMAC-SHA256 example for verifying both the data integrity and the authentication of a request in Node.js and web browsers.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>HMAC-SHA256 Example</title>
</head>
<body>
<script src="http://crypto.stanford.edu/sjcl/sjcl.js"></script>
<script>
var sharedSecret, query, signature, hmac, xhr;