This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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 |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env sh | |
## | |
# This is script with usefull tips taken from: | |
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx | |
# | |
# install it: | |
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh | |
# |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
for f in "$@" | |
do | |
/Developer/Platforms/iPhoneOS.platform/Developer/Library/PrivateFrameworks/DTDeviceKit.framework/Versions/A/Resources/symbolicatecrash -o "$f" "$f" | |
done |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
static NSString* prettyFloat(CGFloat f) { | |
if (f == 0) { | |
return @"0"; | |
} else if (f == 1) { | |
return @"1"; | |
} else { | |
return [NSString stringWithFormat:@"%.3f", f]; | |
} | |
} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
set $ssl off; | |
if ($scheme = https) { | |
set $ssl on; | |
} | |
proxy_set_header X-Forwarded-Ssl $ssl; |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/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 |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// NSArray-Blocks.h | |
// Handy codebits | |
// | |
// If you want to keep block definitions terse, simple and dynamic, have no | |
// problems with the incompatible block pointer types and you don't mind | |
// compiler warnings about sending a message without matching signature, | |
// DO NOT IMPORT THIS FILE, seriously. | |
// | |
// Created by Sijawusz Pur Rahnama on 15/11/09. |
NewerOlder