seivan

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

seivan

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    NSIndexPath *selectedRowIndexPath = [self.tableView indexPathForSelectedRow];
    if (selectedRowIndexPath) {
        [self.tableView deselectRowAtIndexPath:selectedRowIndexPath animated:YES];
        [[self transitionCoordinator] notifyWhenInteractionEndsUsingBlock:^(id<UIViewControllerTransitionCoordinatorContext> context) {
            if ([context isCancelled]) {
                [self.tableView selectRowAtIndexPath:selectedRowIndexPath animated:NO scrollPosition:UITableViewScrollPositionNone];

seivan

@import MobileCoreServices;

static CFStringRef UTTypeForImageData(NSData *data) {
    const unsigned char * bytes = [data bytes];

    if (data.length >= 8) {
        if (bytes[0] == 0x89 && bytes[1] == 0x50 && bytes[2] == 0x4E && bytes[3] == 0x47 && bytes[4] == 0x0D && bytes[5] == 0x0A && bytes[6] == 0x1A && bytes[7] == 0x0A) {
            return kUTTypePNG;
        }
    }

seivan

#!/bin/bash

# change PREFIX to match whatever you use to denote private
# methods internally in .m files
# e.g.
# - (void)_privateMethod
PREFIX="_"

if [ $# -eq 0 ]
then

seivan

#!/usr/bin/env ruby
require 'gosu' # gem install gosu --no-document
include Gosu

$dimension, $splits = 200, 20
$size = $dimension.to_f / $splits.to_f

class Worm
  attr_writer :dir
  def initialize() reset end

seivan

// Use Swift operator overloading to blend two UIColors with the addition operator

import UIKit

@infix func + (left: UIColor, right: UIColor) -> UIColor {
    var leftRGBA = CGFloat[](count: 4, repeatedValue: 0.0)
    var rightRGBA = CGFloat[](count: 4, repeatedValue: 0.0)

    left.getRed(&leftRGBA[0], green: &leftRGBA[1], blue: &leftRGBA[2], alpha: &leftRGBA[3])
    right.getRed(&rightRGBA[0], green: &rightRGBA[1], blue: &rightRGBA[2], alpha: &rightRGBA[3])

seivan

import Foundation

var l = [
    "abesi",
    "hidebu",
    "tawaba",
]

var m = [
    "abesi": 1,

seivan

/**
 Provides the ability to verify key paths at compile time.
 
 If "keyPath" does not exist, a compile-time error will be generated.
 
 Example:
    // Verifies "isFinished" exists on "operation".
    NSString *key = SQKeyPath(operation, isFinished);
 
    // Verifies "isFinished" exists on self.

seivan

// The MIT License (MIT)
// 
// Copyright (c) 2014 Nate Cook
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

seivan

extension Array {
    
    func first() -> Element? {
        if isEmpty {
            return nil
        }
        return self[0]
    }
    
    func last() -> Element? {