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# To batch process a whole folder of images you just copy them to a thumbnail folder and use ImageMagick to crop them to the size you want.
cd /home/user/photos/holidays
mkdir thumbs
cp /home/user/photos/holidays/* /home/user/photos/holidays/thumbs/
cd thumbs
# To cut out a section of the image (not resizing it) widthXheight+xoffset+yoffset
mogrify -crop 940x300+0+50 *
@mrdoob
mrdoob / gist:665235
Created November 6, 2010 06:29
Simple encode/decode for Array of Numbers (6-bit)
function decode( string ) {
var output = [];
string.split('').forEach( function ( v ) { output.push( "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf( v ) ); } );
return output;
}
function encode( array ) {
@nikic
nikic / benchmark.php
Created February 6, 2011 10:57
Compares multidimensional, flat and string access
<?php
echo '<pre>';
$w = 1000;
$h = 1000;
// generate multidimensional array
$multi = array();
for ($i = 0; $i < $w; ++$i) {
@ijt
ijt / http_get.go
Last active August 23, 2021 12:37
Example of using http.Get in go (golang)
package main
import (
"fmt"
"io"
"log"
"net/http"
"os"
)
@johnwards
johnwards / bootstrap.php
Created August 4, 2011 14:15
Sending emails in Silex via Swiftmailer spool
<?php
//...your silex bootstrap.
//Configure Swiftmail to use SMTP.
$app->register(new SwiftmailerExtension(), array(
'swiftmailer.options' => array(
'host' => 'smtp.gmail.com',
'port' => 465,
'username' => 'silex.swiftmailer@gmail.com',
@zenlor
zenlor / Backbone.reqwest.js
Created September 21, 2011 14:39
Backbone.js Sync method for reqwest.js and Ender.js
(function (reqwest, Backbone) {
var methodMap, getUrl;
methodMap = {
'create': 'POST',
'update': 'PUT',
'delete': 'DELETE',
'read' : 'GET'
};
getUrl = function(object) {
@kristofferh
kristofferh / git-export
Created December 7, 2011 13:01
"Export" a git repository to zip file
git archive --format zip --output /full/path/to/zipfile.zip master
@insin
insin / Google Closure.sublime-build (Linux)
Created December 22, 2011 01:06
Google Closure Compiler build for Sublime Text 2
{
"cmd": ["java", "-jar", "${packages}/Google Closure/compiler.jar", "--js", "$file", "--js_output_file", "/dev/null", "--compilation_level", "WHITESPACE_ONLY"],
"file_regex": "^(.*):([0-9]+):() ERROR - (.*)",
"selector": "source.js"
}
@nunoveloso
nunoveloso / nuno_php_array_ops.php
Created March 7, 2012 12:34
PHP array operations up to 10x faster than the original
/**
* Home mande method to do array_diff ~10x faster that PHP built-in.
*
* @param The array to compare from
* @param An array to compare against
*
* @return an array containing all the entries from array1 that are not present in array2.
*/
function nuno_array_diff($array1, $array2) {
$diff = array();
@jboner
jboner / latency.txt
Last active July 22, 2024 14:44
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