These commands are good as of 2011-07-27.
App store http://itunes.apple.com/us/app/xcode/id448457090?mt=12) The download/install takes awhile so start it first. When it finishes downloading you will still need to run it to complete installation.
Jean Regisser jeanregisser
henrik
/ AKServerTime.h
Created
March 14, 2010 09:59
AKServerTime (Obj-C/Cocoa). Keeps track of server time, adjusting for time zone/time sync diffs and accounting for latency.
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| // AKServerTime | |
| // By Henrik Nyh <http://henrik.nyh.se> 2010-03-14 under the MIT license. | |
| // | |
| // Keeps track of the current server time, adjusting for differences in | |
| // time zone/time sync between client and server, and accounting for latency. | |
| // | |
| // The latency adjustment is pessimistic: if we get 12:00:25 back with a latency | |
| // of 5 seconds, we know the current server time is between 12:00:25 (5 sec req, | |
| // 0 sec res) and 12:00:30 (0 sec req, 5 sec res). We assume it is 12:00:30 so | |
| // that trusting the server time may make you early, but never late. |
jonah-williams
/ build.sh
Created
April 30, 2011 17:46
Command line iOS project builds and over-the-air distribution
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| #!/bin/bash | |
| # https://gist.github.com/949831 | |
| # http://blog.carbonfive.com/2011/05/04/automated-ad-hoc-builds-using-xcode-4/ | |
| # command line OTA distribution references and examples | |
| # http://nachbaur.com/blog/how-to-automate-your-iphone-app-builds-with-hudson | |
| # http://nachbaur.com/blog/building-ios-apps-for-over-the-air-adhoc-distribution | |
| # http://blog.octo.com/en/automating-over-the-air-deployment-for-iphone/ | |
| # http://www.neat.io/posts/2010/10/27/automated-ota-ios-app-distribution.html |
jpantuso
/ osx_lion_rail_setup.md
Created
July 27, 2011 19:51
Setup OS X 10.7 w/ homebrew, oh-my-zsh, rvm, rails, and MySQL
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| NSString *safe = self.keys.url.port.stringValue; | |
| NSString *unsafe = @"url.port.stringValue"; | |
| assert([safe isEqualToString:unsafe]); |
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| # dump | |
| pg_dump testdb | pv -c -s $(psql -tc "SELECT pg_database_size('testdb')") -N dump | gzip > testdb.sql.gz | |
| # restore | |
| pv testdb_20120501.sql.gz | zcat | psql testdb |
0xced
/ XCDFakeCarrier.m
Last active
March 5, 2023 22:07
Hack to choose the displayed carrier name in the iOS simulator
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| // | |
| // Copyright (c) 2012-2015 Cédric Luthi / @0xced. All rights reserved. | |
| // | |
| #import <Foundation/Foundation.h> | |
| #if TARGET_OS_SIMULATOR | |
| static const char *fakeCarrier; | |
| static const char *fakeTime; |
steipete
/ gist:3713233
Created
September 13, 2012 09:39
I often use dispatch queues for locking, and this function just makes life SO MUCH EASIER. Accidental deadlocks in more complex code paths are a PITA otherwise. But Apple deprecated dispatch_get_current_queue with iOS6?
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| nline void pspdf_dispatch_sync_reentrant(dispatch_queue_t queue, dispatch_block_t block) { | |
| dispatch_get_current_queue() == queue ? block() : dispatch_sync(queue, block); | |
| } |
steipete
/ gist:3933090
Created
October 22, 2012 18:13
Simple main thread usage detector that I'm using in PSPDFKit to find performance problems early on.
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| // Smart little helper to find main thread hangs. Enable in appDidFinishLaunching. | |
| // Only available with source code in DEBUG mode. | |
| @interface PSPDFHangDetector : NSObject | |
| + (void)startHangDetector; | |
| @end | |
| @implementation PSPDFHangDetector | |
| + (void)startHangDetector { | |
| #ifdef DEBUG |
dergachev
/ GIF-Screencast-OSX.md
Last active
October 31, 2025 16:45
OS X Screencast to animated GIF
steipete
/ PSPDFUIKitMainThreadGuard.m
Last active
October 30, 2025 15:53
This is a guard that tracks down UIKit access on threads other than main. This snippet is taken from the commercial iOS PDF framework http://pspdfkit.com, but relicensed under MIT. Works because a lot of calls internally call setNeedsDisplay or setNeedsLayout. Won't catch everything, but it's very lightweight and usually does the job.You might n…
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| // 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> |
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