Skip to content

Instantly share code, notes, and snippets.

View Meandmybadself's full-sized avatar

Jeffery Bennett Meandmybadself

36 followers · 188 following
View GitHub Profile
@seungjin
seungjin / imageRotate.js
Created June 17, 2009 01:33
image ratate javascript (rotate image 90 degree....)
/* image rotate javascript */
/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Benoit Asselin | http://www.ab-d.fr */
function rotate(p_deg) {
if(document.getElementById('canvas')) {
/*
Ok!: Firefox 2, Safari 3, Opera 9.5b2
@rondevera
rondevera / css-to-select-range-of-children.html
Last active February 8, 2023 11:29
CSS selector for a range of children
<!DOCTYPE html>
<html>
<head>
<style>
/* How to select a range of children
* (Here, 3rd-7th children, inclusive):
*/
ul li:nth-child(n+3):nth-child(-n+7) {
outline: 1px solid #0f0;
}
@brookemckim
brookemckim / hls
Created June 8, 2011 19:05
Roku Recommended FFMPEG h264 Preset
ffmpeg -i <inputFile> -f mpegts -acodec libfaac -vcodec libx264 \ -vpre roku -crf 15 -threads 0 ~/OneTransportStreamFile3200.ts
@pamelafox
pamelafox / exportjson.js
Last active March 30, 2024 21:00
Google Spreadsheet JSON ExportHow-to at http://blog.pamelafox.org/2013/06/exporting-google-spreadsheet-as-json.html
// Includes functions for exporting active sheet or all sheets as JSON object (also Python object syntax compatible).
// Tweak the makePrettyJSON_ function to customize what kind of JSON to export.
var FORMAT_ONELINE = 'One-line';
var FORMAT_MULTILINE = 'Multi-line';
var FORMAT_PRETTY = 'Pretty';
var LANGUAGE_JS = 'JavaScript';
var LANGUAGE_PYTHON = 'Python';
@jboner
jboner / latency.txt
Last active April 26, 2024 03:40
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@algal
algal / nginx-cors.conf
Created April 29, 2013 10:52
nginx configuration for CORS (Cross-Origin Resource Sharing), with an origin whitelist, and HTTP Basic Access authentication allowed
#
# A CORS (Cross-Origin Resouce Sharing) config for nginx
#
# == Purpose
#
# This nginx configuration enables CORS requests in the following way:
# - enables CORS just for origins on a whitelist specified by a regular expression
# - CORS preflight request (OPTIONS) are responded immediately
# - Access-Control-Allow-Credentials=true for GET and POST requests
@plentz
plentz / nginx.conf
Last active April 24, 2024 11:15
Best nginx configuration for improved security(and performance)
# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
@ftrain
ftrain / rhymes.clj
Last active July 14, 2023 22:20
Annotated rhyming dictionary
;; This is at: https://gist.github.com/8655399
;; So we want a rhyming dictionary in Clojure. Jack Rusher put up
;; this code here:
;;
;; https://gist.github.com/jackrusher/8640437
;;
;; I'm going to study this code and learn as I go.
;;
;; First I put it in a namespace.
@kamikat
kamikat / trig.scss
Last active December 7, 2023 12:50
SCSS/SASS module calculating sin/cos/tan using Taylor Expansion.
///////////////////////////////////////////////////////////
// Plain SASS Trigonometry Algorithm in Taylor Expansion //
// //
// Based on //
// http://japborst.net/posts/sass-sines-and-cosines //
///////////////////////////////////////////////////////////
$pi: 3.14159265359;
$_precision: 10;
@markhowellsmead
markhowellsmead / array_find.js
Created April 20, 2016 14:49
Polyfill JavaScript Array.prototype.find for older browsers (e.g. IE 10, IE 11)
if (!Array.prototype.find) {
Array.prototype.find = function(predicate) {
if (this == null) {
throw new TypeError('Array.prototype.find called on null or undefined');
}
if (typeof predicate !== 'function') {
throw new TypeError('predicate must be a function');
}
var list = Object(this);
var length = list.length >>> 0;