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@steipete
steipete / PSPDFThreadSafeMutableDictionary.m
Created December 2, 2013 09:00
Dictionary subclass whose primitive operations are thread safe. Most of the time you don't want locking at the collection level, but there are valid use cases for this, and it's interesting how to properly subclass the NSDictionary class cluster. We're using SpinLocks here, since it's highly unlikely that any of the operation locks for more than…
@interface PSPDFThreadSafeMutableDictionary : NSMutableDictionary
@end
#import "PSPDFThreadSafeMutableDictionary.h"
#import <libkern/OSAtomic.h>
@implementation PSPDFThreadSafeMutableDictionary {
OSSpinLock _lock;
NSMutableDictionary *_dictionary; // Class Cluster!
@sloria
sloria / bobp-python.md
Last active September 9, 2025 10:52
A "Best of the Best Practices" (BOBP) guide to developing in Python.

The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

  • "Build tools for others that you want to be built for you." - Kenneth Reitz
  • "Simplicity is alway better than functionality." - Pieter Hintjens
@patocallaghan
patocallaghan / chai-expect.md
Last active September 14, 2023 14:54
Chai Expect Assertion library examples. From http://chaijs.com/api/bdd/ #chai #javascript #expect

##Chai Expect

##Language Chains

  • to
  • be
  • been
  • is
  • that
  • and
  • have
// Defines a yet undocumented method to add a warning if super isn't called.
#ifndef NS_REQUIRES_SUPER
#if __has_attribute(objc_requires_super)
#define NS_REQUIRES_SUPER __attribute((objc_requires_super))
#else
#define NS_REQUIRES_SUPER
#endif
#endif
@evadne
evadne / gist:4544569
Last active August 14, 2023 05:04
Todd Laney’s enhancements to Sticky Headers + UICollectionViewFlowLayout
//
// StickyHeaderLayout.h
// Wombat
//
// Created by Todd Laney on 1/9/13.
// Copyright (c) 2013 ToddLa. All rights reserved.
//
// Modified from http://blog.radi.ws/post/32905838158/sticky-headers-for-uicollectionview-using THANKS!
//
@asimjalis
asimjalis / python-zip.md
Created December 7, 2012 23:33
How to deploy a Python application as a zip file

How to deploy a Python application as a zip file

by Asim Jalis, MetaProse.com

Create a file __main__.py containing:

print "Hello world from Python"

Zip up the Python files (in this case just this one file) into app.zip by typing:

@shunchu
shunchu / video-thumbnails-generator.sh
Created November 15, 2012 18:00
Batch generate thumbnails from mp4 files using ffmpg
#!/bin/bash
# setup
FILES=name_of_file_to_match_*.mp4
SEEK_POINT=00:00:30
IMG_FORMAT=png
FRAME_SIZE=150X100
DEST=thumbnails
for f in $FILES
@umutakturk
umutakturk / php_mongodb_simple_pagination.php
Created September 29, 2012 19:01
PHP MongoDB Simple Pagination
<?php
$mongodb = new Mongo("mongodb://username:password@localhost/database_name");
$database = $mongodb->database_name;
$collection = $database->collection;
$page = isset($_GET['page']) ? (int) $_GET['page'] : 1;
$limit = 12;
$skip = ($page - 1) * $limit;
$next = ($page + 1);
$prev = ($page - 1);
@ibeex
ibeex / foo.log
Created August 4, 2012 13:46
Flask logging example
A warning occurred (42 apples)
An error occurred
@crtr0
crtr0 / client.js
Created June 8, 2012 17:02
A simple example of setting-up dynamic "rooms" for socket.io clients to join
// set-up a connection between the client and the server
var socket = io.connect();
// let's assume that the client page, once rendered, knows what room it wants to join
var room = "abc123";
socket.on('connect', function() {
// Connected, let's sign-up for to receive messages for this room
socket.emit('room', room);
});