yura

#!/bin/bash

# Script to convert PDF file to JPG images
#
# Dependencies:
# * pdftk
# * imagemagick

PDF=$1

pklaus

#!/usr/bin/env python2

"""
    Other Repositories of python-ping
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    * https://github.com/l4m3rx/python-ping      supports Python2 and Python3
    * https://bitbucket.org/delroth/python-ping

karthick18

/*
 * An example using splice syscall which avoids copying to/from user space buffers to kernel space
 * and uses the pipe buffers allocated in kernel space as an intermediate to directly xfer from one file to another
 *
 * gcc -o splice splice.c -g
 */

#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>

dabrahams

#include <iostream>

// This is a rewrite and analysis of the technique in this article:
// http://bloglitb.blogspot.com/2010/07/access-to-private-members-thats-easy.html

// ------- Framework -------
// The little library required to work this magic

// Generate a static data member of type Tag::type in which to store
// the address of a private member.  It is crucial that Tag does not

mojavelinux

Digital Toolchain for Book Authors

Text markup and structure

• So many light markup formats to consider
  • Markdown
  • Textile
  • reStructuredText
  • Asciidoc
  • Most compile to HTML, PDF, DocBook
• Get handy with PanDoc (but man, the haskell bootstrapping is a pain)

hrldcpr

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!

jboner

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

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

vi

Primary use case: workaround non-working "ip link set wlan0 netns ..." for some network drivers.

Secondary use case: simple demo for getting/setting the MAC address, tun/tap, raw sockets...

Pre-built version: http://vi-server.org/pub/tap_copy