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@wassname
wassname / permutations.js
Last active June 28, 2022 22:53
Combinatorics permutatons and product in javascript using lodash.js (like python's itertools)
/**
* Lodash mixins for combinatorics
* by: wassname & visangela
* url: https://gist.github.com/wassname/a882ac3981c8e18d2556/edit
* lodash contrib issue: https://github.com/node4good/lodash-contrib/issues/47
* lic: same as lodash
* Inspired by python itertools: https://docs.python.org/2.7/library/itertools.html
*
* Usage:
* permutations([0,1,2],2) // [[0,1],[0,2],[1,0],[1,2],[2,0],[2,1]]
@paulirish
paulirish / what-forces-layout.md
Last active March 17, 2026 07:48
What forces layout/reflow. The comprehensive list.

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
@debasishg
debasishg / gist:8172796
Last active February 24, 2026 02:03
A collection of links for streaming algorithms and data structures

General Background and Overview

  1. Probabilistic Data Structures for Web Analytics and Data Mining : A great overview of the space of probabilistic data structures and how they are used in approximation algorithm implementation.
  2. Models and Issues in Data Stream Systems
  3. Philippe Flajolet’s contribution to streaming algorithms : A presentation by Jérémie Lumbroso that visits some of the hostorical perspectives and how it all began with Flajolet
  4. Approximate Frequency Counts over Data Streams by Gurmeet Singh Manku & Rajeev Motwani : One of the early papers on the subject.
  5. [Methods for Finding Frequent Items in Data Streams](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.187.9800&rep=rep1&t
@joyrexus
joyrexus / README.md
Last active July 12, 2024 23:26 — forked from joelambert/README
RAF replacements for setTimeout and setInterval

Drop in replace functions for setTimeout and setInterval that make use of requestAnimationFrame.

See overview article and Paul Irish's earlier post.

Courtesty of Joe Lambert

Copyright 2011, Joe Lambert.
Free to use under the MIT license.
http://www.opensource.org/licenses/mit-license.php
@CristinaSolana
CristinaSolana / gist:1885435
Created February 22, 2012 14:56
Keeping a fork up to date

1. Clone your fork:

git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream