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@davidnunez
davidnunez / gist:1404789
Created November 29, 2011 13:20
list all installed packages in android adb shell
pm list packages -f
@gregburek
gregburek / rateLimitDecorator.py
Created December 7, 2011 01:51
Rate limiting function calls with Python Decorators
import time
def RateLimited(maxPerSecond):
minInterval = 1.0 / float(maxPerSecond)
def decorate(func):
lastTimeCalled = [0.0]
def rateLimitedFunction(*args,**kargs):
elapsed = time.clock() - lastTimeCalled[0]
leftToWait = minInterval - elapsed
if leftToWait>0:
@kapkaev
kapkaev / script.sh
Created January 31, 2012 21:03
centOS gitosis
#step 1
yum -y install python-setuptools
#step 2
rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
# or
# rpm -Uhv http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS//rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm
#step 3
# if you using centOS 6.2 enable rpmforge-extras (enabled =1)
@hrldcpr
hrldcpr / tree.md
Last active June 19, 2025 08:17
one-line tree in python

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

@iwanbk
iwanbk / gist:2295233
Created April 3, 2012 20:15
TCP Echo Client in Golang
package main
import (
"net"
"os"
)
func main() {
strEcho := "Halo"
servAddr := "localhost:6666"
tcpAddr, err := net.ResolveTCPAddr("tcp", servAddr)
@rcorreia
rcorreia / drag_and_drop_helper.js
Last active February 16, 2025 12:05
drag_and_drop_helper.js
(function( $ ) {
$.fn.simulateDragDrop = function(options) {
return this.each(function() {
new $.simulateDragDrop(this, options);
});
};
$.simulateDragDrop = function(elem, options) {
this.options = options;
this.simulateEvent(elem, options);
};
@jobliz
jobliz / RedisPythonPubSub1.py
Created May 4, 2012 17:58
A short script exploring Redis pubsub functions in Python
import redis
import threading
class Listener(threading.Thread):
def __init__(self, r, channels):
threading.Thread.__init__(self)
self.redis = r
self.pubsub = self.redis.pubsub()
self.pubsub.subscribe(channels)
@joaopizani
joaopizani / .screenrc
Created May 17, 2012 11:55
A killer GNU Screen Config
# the following two lines give a two-line status, with the current window highlighted
hardstatus alwayslastline
hardstatus string '%{= kG}[%{G}%H%? %1`%?%{g}][%= %{= kw}%-w%{+b yk} %n*%t%?(%u)%? %{-}%+w %=%{g}][%{B}%m/%d %{W}%C%A%{g}]'
# huge scrollback buffer
defscrollback 5000
# no welcome message
startup_message off
@suprememoocow
suprememoocow / intercept.js
Created May 29, 2012 09:53
AJAX timing interceptor: this class intercepts all AJAX calls and records the time taken for the HTTP request to complete. These timings are posted back to the server in batches, if there are any to send, about every two seconds. Tested in Firefox, Chrome
(function(XHR) {
"use strict";
var stats = [];
var timeoutId = null;
var open = XHR.prototype.open;
var send = XHR.prototype.send;
@jboner
jboner / latency.txt
Last active July 6, 2025 21:54
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