Skip to content

Instantly share code, notes, and snippets.

@faithfracture
faithfracture / boost.sh
Last active September 14, 2024 14:23
Boost build script for iOS (armv7, armv7s, arm64), iOS Simulator (i386, x86_64), and OSX (i386, x86_64)
#===============================================================================
# Filename: boost.sh
# Author: Pete Goodliffe
# Copyright: (c) Copyright 2009 Pete Goodliffe
# Licence: Please feel free to use this, with attribution
# Modified version
#===============================================================================
#
# Builds a Boost framework for iOS, iOS Simulator, and OSX.
# Creates a set of universal libraries that can be used on an iOS and in the
@jboner
jboner / latency.txt
Last active June 12, 2025 16:38
Latency Numbers Every Programmer Should Know
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
@dejayc
dejayc / fixNlc.sh
Created February 20, 2012 19:39
Fixes the ipfw DummyNet rules created by Network Link Conditioner when using Internet Sharing in Mac OS X Lion
#!/bin/bash
LAN_INTERFACE=''
BRIDGE_INTERFACE=''
SCRIPT_NAME=$( basename "${0}" )
POLL_SLEEP_SECONDS=5
getProcessInfo() {
local PROCESS="${1}"
ps -ef | grep "${PROCESS}" | grep -v "grep ${PROCESS}"
@mediabounds
mediabounds / floatsign.sh
Last active April 15, 2025 12:08
A small bash script to re-sign iOS applications.
# !/bin/bash
# Copyright (c) 2011 Float Mobile Learning
# http://www.floatlearning.com/
#
# 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
@Jaybles
Jaybles / UIDeviceHardware.h
Created October 28, 2011 19:33
UIDeviceHardware - Determine iOS device being used
//
// UIDeviceHardware.h
//
// Used to determine EXACT version of device software is running on.
#import <Foundation/Foundation.h>
@interface UIDeviceHardware : NSObject
- (NSString *) platform;