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@gdavis
gdavis / gist:2845766
Created May 31, 2012 19:46
iOS Phone Number Field Formatting With User Entry
#pragma mark - Phone Number Field Formatting
// Adopted from: http://stackoverflow.com/questions/6052966/phone-number-formatting
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
if (textField == self.mobileNumberField || textField == self.homeNumberField || textField == self.workNumberField) {
int length = [self getLength:textField.text];
if(length == 10) {
if(range.length == 0)
@jboner
jboner / latency.txt
Last active April 19, 2025 21:29
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
@peplin
peplin / gist:2483204
Created April 24, 2012 20:05 — forked from agriffis/gist:2481292
.bashrc.virtualenvwrapper
# Dynamically load virtualenvwrapper functions to reduce shell startup
# time.
#
# Copyright 2012 Aron Griffis <[email protected]>
# Released under the GNU GPL v3
#######################################################################
# Python virtualenvwrapper loads really slowly, so load it on demand.
if [[ $(type -w workon) != "workon: function" ]]; then
virtualenv_funcs=( workon deactivate mkvirtualenv )
@jxson
jxson / README.md
Created February 10, 2012 00:18
README.md template

Synopsis

At the top of the file there should be a short introduction and/ or overview that explains what the project is. This description should match descriptions added for package managers (Gemspec, package.json, etc.)

Code Example

Show what the library does as concisely as possible, developers should be able to figure out how your project solves their problem by looking at the code example. Make sure the API you are showing off is obvious, and that your code is short and concise.

Motivation

@rajraj
rajraj / es.sh
Created January 3, 2012 20:07 — forked from aaronshaf/es.sh
Install ElasticSearch on CentOS 6
cd ~
sudo yum update
sudo yum install java-1.7.0-openjdk.i686 -y
wget https://github.com/downloads/elasticsearch/elasticsearch/elasticsearch-0.19.9.tar.gz -O elasticsearch.tar.gz
tar -xf elasticsearch.tar.gz
rm elasticsearch.tar.gz
mv elasticsearch-* elasticsearch
sudo mv elasticsearch /usr/local/share