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@LeCoupa
LeCoupa / nodejs-cheatsheet.js
Last active April 19, 2024 01:50
Complete Node.js CheatSheet --> UPDATED VERSION --> https://github.com/LeCoupa/awesome-cheatsheets
/* *******************************************************************************************
* THE UPDATED VERSION IS AVAILABLE AT
* https://github.com/LeCoupa/awesome-cheatsheets
* ******************************************************************************************* */
// 0. Synopsis.
// http://nodejs.org/api/synopsis.html
@anschaef
anschaef / bootstrap-4-sass-mixins-cheat-sheet.scss
Last active April 12, 2024 08:49
Bootstrap 4 Sass Mixins [Cheat sheet with examples]
/* -------------------------------------------------------------------------- */
// All Bootstrap 4 Sass Mixins [Cheat sheet]
// Updated to Bootstrap v4.5.x
// @author https://anschaef.de
// @see https://github.com/twbs/bootstrap/tree/master/scss/mixins
/* -------------------------------------------------------------------------- */
/*
// ########################################################################## */
// New cheat sheet for Bootstrap 5:
@tvandervossen
tvandervossen / environment.js
Last active April 2, 2024 20:18
Here’s an example of my current web app user agent, device, and/or feature detection approach. I tend to inline this in the page header just before the stylesheet as part of the distribution build. A benefit of this approach is that detection is done early without any external dependencies. It’s also straightforward to modify or extend while you…
env = (function() {
var flags = {}, ua = navigator.userAgent, el = document.createElement('div'), video = document.createElement('video'), audio = document.createElement('audio'), root = document.documentElement, i
function flag(names) {
names = names.split(' ')
for (i = 0; i < names.length; i++)
flags[names[i]] = true
}
function classnames() {
var names = [], name
for(name in flags) if (flags.hasOwnProperty(name))
@ncreated
ncreated / PrintLocalesController.m
Last active February 29, 2024 16:29
List of iOS locales with currency formatting.
//
// PrintLocalesController.m
// NSFormatterTest
//
// Created by Maciek Grzybowski on 02.04.2014.
//
#import "PrintLocalesController.h"
@interface PrintLocalesController ()
@ummahusla
ummahusla / git-overwrite-branch.sh
Last active February 25, 2024 00:06 — forked from brev/git-overwrite-branch.sh
Git overwrite branch with another branch
# overwrite master with contents of feature branch (feature > master)
git checkout feature # source name
git merge -s ours master # target name
git checkout master # target name
git merge feature # source name
@esedic
esedic / detect_touch.js
Created September 6, 2019 11:34
Various JavaScript methods for detecting touch/mobile devices
// Method 1
var isTouchDevice =
(('ontouchstart' in window) ||
(navigator.MaxTouchPoints > 0) ||
(navigator.msMaxTouchPoints > 0));
if(!isTouchDevice){
console.log('is not touch');
}else{
console.log('is touch');
}
@rjoydip-zz
rjoydip-zz / UV_THREADPOOL_SIZE.md
Last active January 5, 2024 13:08
How you can set `UV_THREADPOOL_SIZE` value?

When you need to set value to "UV_THREADPOOL_SIZE"?

  • Libuv has a default thread pool size of 4, and uses a queue to manage access to the thread pool - the upshot is that if you have 5 long-running DB queries all going at the same time, one of them (and any other asynchronous action that relies on the thread pool) will be waiting for those queries to finish before they even get started.

  • Note, however, that tuning UV_THREADPOOL_SIZE may make more sense for a standalone application like a CLI written in Node.js. If you are standing up a bunch of Node.js processes using the cluster module then I would be surprised if tuning UV_THREADPOOL_SIZE was particularly beneficial for you. But if your application resembles the web tooling benchmarks then tuning UV_THREADPOOL_SIZE may help with performance.

@codebling
codebling / save-chrome-bookmarks.js
Created March 31, 2020 00:12
let bookmarkList = Array.from(document.querySelectorAll('.widget>.vbox'))
.map(e => e.shadowRoot)
.map(e => e && e.querySelector('.device-page-list'))
.find(e => e);
let bookmarks = Array.from(bookmarkList.querySelectorAll('.vbox'))
.map(e => `<a href="${e.querySelector('x-link').innerHTML}">${e.querySelector('.device-page-title').innerHTML}</a>`);
copy('<html><body>' + bookmarks.join('\n') + '</body></html>');
@djD-REK
djD-REK / Custom deep copy function using recursion.js
Last active May 11, 2023 05:22
const deepCopyFunction = (inObject) => {
let outObject, value, key
if (typeof inObject !== "object" || inObject === null) {
return inObject // Return the value if inObject is not an object
}
// Create an array or object to hold the values
outObject = Array.isArray(inObject) ? [] : {}
@ewencp
ewencp / ela.py
Created August 15, 2012 05:52
Quick, simple implementation of Error Level Analysis
#!/usr/bin/env python
# This is a really simple implementation of ELA as described in
# http://blackhat.com/presentations/bh-dc-08/Krawetz/Whitepaper/bh-dc-08-krawetz-WP.pdf
# You shouldn't actually use it, or at least read the paper carefully
# and implement more of the techniques before drawing any conclusions.
from PIL import Image, ImageChops, ImageEnhance
import sys, os.path