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@jankorbel
jankorbel / dabblet.css
Created April 8, 2012 10:39
CSS animated loading dots
/*
CSS animated loading dots
*/
body
{
background: #5A5C64;
}
.loading_dots
@jterrace
jterrace / xvfb
Created June 11, 2012 18:46
xvfb init script for Ubuntu
XVFB=/usr/bin/Xvfb
XVFBARGS=":1 -screen 0 1024x768x24 -ac +extension GLX +render -noreset"
PIDFILE=/var/run/xvfb.pid
case "$1" in
start)
echo -n "Starting virtual X frame buffer: Xvfb"
start-stop-daemon --start --quiet --pidfile $PIDFILE --make-pidfile --background --exec $XVFB -- $XVFBARGS
echo "."
;;
stop)
@markSci5
markSci5 / Git checkout remote branch
Created July 3, 2013 07:08
Git checkout remote branch
//To fetch a branch, you simply need to:
git fetch origin
//This will fetch all of the remote branches for you. With the remote branches
//in hand, you now need to check out the branch you are interested in, giving
//you a local working copy:
git checkout -b test origin/test
@zross
zross / index.html
Last active October 26, 2017 17:46
HTML: Google maps with CartoDB (v3) layer, includes cartoCSS (CA counties)
<!DOCTYPE html>
<html>
<head>
<title>HTML5</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=650, user-scalable=yes">
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
@unhammer
unhammer / merlin-init.sh
Last active February 12, 2023 05:40
Create .merlin file for a project with all your ocamlfind packages and .opam sources in there
#!/bin/sh
if test -f .merlin; then
echo ".merlin already exists, bailing out ..." >&2
exit 1
else
# You could add your default EXT's and such to this list:
@mikelehen
mikelehen / generate-pushid.js
Created February 11, 2015 17:34
JavaScript code for generating Firebase Push IDs
/**
* Fancy ID generator that creates 20-character string identifiers with the following properties:
*
* 1. They're based on timestamp so that they sort *after* any existing ids.
* 2. They contain 72-bits of random data after the timestamp so that IDs won't collide with other clients' IDs.
* 3. They sort *lexicographically* (so the timestamp is converted to characters that will sort properly).
* 4. They're monotonically increasing. Even if you generate more than one in the same timestamp, the
* latter ones will sort after the former ones. We do this by using the previous random bits
* but "incrementing" them by 1 (only in the case of a timestamp collision).
*/
@paulirish
paulirish / what-forces-layout.md
Last active July 23, 2024 15:12
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

Port-forwarding JMX

Proof of concept:

  • Terminal 1:
    • SSH to remote host
    • Start a Java process with JMX registry port 50004, RMI callback port 50005, and RMI hostname pinned to localhost: java -Dcom.sun.management.jmxremote.port=50004 -Dcom.sun.management.jmxremote.rmi.port=50005 -Djava.rmi.server.hostname=localhost -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -cp /some/jar/file main.class
  • Terminal 2:
@levelsio
levelsio / btc-eth-dca-buy.php
Last active January 6, 2023 22:04
This script runs daily and "Dollar Cost Average"-buys $40 BTC and $10 ETH per day
<?
//
// [ BUY BTC & ETH DAILY ON BITSTAMP ]
// by @levelsio
//
// 2017-08-23
//
// 1) buy $40/day BTC
// 2) buy $10/day ETH
//