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@aras-p
aras-p / preprocessor_fun.h
Last active April 7, 2025 13:38
Things to commit just before leaving your job
// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,
@thigm85
thigm85 / simple_neural_network_diagram
Created May 26, 2013 15:10
Graphviz script to draw a simple neural network diagram. Copy this to a `file.txt` file and then run `dot -Tpng -O file.txt` from command-line to get a .png figure with the diagram.
digraph G {
rankdir=LR
splines=line
node [fixedsize=true, label=""];
subgraph cluster_0 {
color=white;
node [style=solid,color=blue4, shape=circle];
@fxsjy
fxsjy / SimpleAuthServer.py
Created April 26, 2013 06:23
SimpleAuthServer: A SimpleHTTPServer with authentication
import BaseHTTPServer
from SimpleHTTPServer import SimpleHTTPRequestHandler
import sys
import base64
key = ""
class AuthHandler(SimpleHTTPRequestHandler):
''' Main class to present webpages and authentication. '''
def do_HEAD(self):
@wryfi
wryfi / lxc_load.py
Created October 16, 2012 23:34
simple python script to check cpu utilization of lxc containers and print percentage
#!/usr/bin/python
import multiprocessing, os, re, sys, time
cgroup_dir = '/sys/fs/cgroup'
node_rgx = u'[a-z]*[0-9]{2}'
interval = 1
def main():
cpus = multiprocessing.cpu_count()
@caniszczyk
caniszczyk / clone-all-twitter-github-repos.sh
Created October 9, 2012 04:25
Clone all repos from a GitHub organization
curl -s https://api.github.com/orgs/twitter/repos?per_page=200 | ruby -rubygems -e 'require "json"; JSON.load(STDIN.read).each { |repo| %x[git clone #{repo["ssh_url"]} ]}'
@agnoster
agnoster / README.md
Last active March 10, 2025 15:41
My ZSH Theme

agnoster.zsh-theme

A ZSH theme optimized for people who use:

  • Solarized
  • Git
  • Unicode-compatible fonts and terminals (I use iTerm2 + Menlo)

For Mac users, I highly recommend iTerm 2 + Solarized Dark

@UniIsland
UniIsland / SimpleHTTPServerWithUpload.py
Created August 14, 2012 04:01
Simple Python Http Server with Upload
#!/usr/bin/env python
"""Simple HTTP Server With Upload.
This module builds on BaseHTTPServer by implementing the standard GET
and HEAD requests in a fairly straightforward manner.
"""
@zhpengg
zhpengg / skip_list.c
Created June 5, 2012 07:52
skiplist implementation in c
/* Skip Lists: A Probabilistic Alternative to Balanced Trees */
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#define SKIPLIST_MAX_LEVEL 6
typedef struct snode {
int key;
@jboner
jboner / latency.txt
Last active April 18, 2025 16:13
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
@kartikshah
kartikshah / tail-color.sh
Created February 17, 2012 22:44
Color output of linux tail command
$tail -100f /var/log/applications/application.log | awk '
/INFO/ {print "\033[32m" $0 "\033[39m"}
/Exception/ {print "\033[31m" $0 "\033[39m"}
'