zoul

@interface DownloadOperation : NSOperation
{
    NSURLRequest *request;
    NSURLConnection *connection;
    NSMutableData *receivedData;
}

@property(readonly) BOOL isExecuting;
@property(readonly) BOOL isFinished;

astanin

#!/usr/bin/env python
"""Compare two aligned images of the same size.

Usage: python compare.py first-image second-image
"""

import sys

from scipy.misc import imread
from scipy.linalg import norm

lalinsky

def format_time(secs):
    return "%d:%02d" % (secs / 60, secs % 60)


def invert(arr):
    """
    Make a dictionary that with the array elements as keys and
    their positions positions as values.

    >>> invert([3, 1, 3, 6])

akisute

#import <UIKit/UIKit.h>
#import <ImageIO/ImageIO.h>
#import <MobileCoreServices/MobileCoreServices.h>

- (void)exportAnimatedGif
{
    UIImage *shacho = [UIImage imageNamed:@"shacho.png"];
    UIImage *bucho = [UIImage imageNamed:@"bucho.jpeg"];
    
    NSString *path = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"animated.gif"];

sillygwailo

-- from http://www.tuaw.com/2011/03/14/use-applescript-to-open-current-safari-url-in-google-chrome/
-- install FastScripts http://www.red-sweater.com/fastscripts/ and place this AppleScript in the Scripts applications folder for Google Chrome. 
-- For me that was ~/Library/Scripts/Applications/Safari
-- You can then assign it a keyboard shortcut. I went with Cmd-Shift-C
property theURL : ""
tell application "Safari"
	set theURL to URL of current tab of window 1
end tell

tell application "Google Chrome"

0x8badf00d

@interface DownloadOperation : NSOperation
{
    NSURLRequest *request;
    NSURLConnection *connection;
    NSMutableData *receivedData;
}

@property(readonly) BOOL isExecuting;
@property(readonly) BOOL isFinished;

jder

// For details, see http://mindsea.com/2012/12/18/downscaling-huge-alassets-without-fear-of-sigkill

#import <AssetsLibrary/AssetsLibrary.h>
#import <ImageIO/ImageIO.h>

// Helper methods for thumbnailForAsset:maxPixelSize:
static size_t getAssetBytesCallback(void *info, void *buffer, off_t position, size_t count) {
    ALAssetRepresentation *rep = (__bridge id)info;
    
    NSError *error = nil;

kylefox

# Tell system when Xcode utilities live:
sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer

# Set "opendiff" as the default mergetool globally:
git config --global merge.tool opendiff

steipete

// Taken from the commercial iOS PDF framework http://pspdfkit.com.
// Copyright (c) 2014 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
// Licensed under MIT (http://opensource.org/licenses/MIT)
//
// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.

// PLEASE DUPE rdar://27192338 (https://openradar.appspot.com/27192338) if you would like to see this in UIKit.

#import <objc/runtime.h>
#import <objc/message.h>

willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000