physacco

#include <stdio.h>
#include <stdlib.h>
#include <pcap/pcap.h>

/* callback function when packet have captured */
static void mycb(u_char *user,
    const struct pcap_pkthdr *h, const u_char *packet)
{
    static int count = 1;
    printf("Packet %d:\n", count);

physacco

Pcaplet example

# examples/tcpdump.rb
require 'pcaplet'
include Pcap

pcaplet = Pcaplet.new
pcaplet.each_packet do |pkt|

physacco

#!/bin/sh

# monit: monit init script for Redhat/Fedora.
# Written by physacco. 2013/04/11

# To start at boot time:
# 1. copy this file to /etc/init.d/monit
# 2. chkconfig monit on

# ---------------------

physacco

Commands

lxc                  convenience Wrapper for LXC programs
lxc-attach           start a process inside a running container
lxc-cgroup           manage the control group associated with a container
lxc-checkconfig      check the current kernel for lxc support
lxc-checkpoint       checkpoint a running container (not implemented yet)
lxc-clone            clone a new container from an existing one
lxc-console          Launch a console for the specified container

lxc-create creates a container

physacco

#!/bin/sh

PidFile=/usr/local/pgsql/data/postmaster.pid

foo()
{
  if [ -f "$PidFile" ]; then
    pgrep postgres | grep `head -1 $PidFile`
  fi
}

physacco

C API _mysql

|--------------------------------+-------------------------------------+------------------------------------------|
| C API                          | _mysql                              | Note                                     |
|--------------------------------+-------------------------------------+------------------------------------------|
| mysql_affected_rows()          | conn.affected_rows()                |                                          |
| mysql_autocommit()             | conn.autocommit()                   | COM_QUERY set autocommit=                |
| mysql_character_set_name()     | conn.character_set_name()           |                                          |

| mysql_close() | conn.close() | COM_QUIT |

physacco

myclient: myclient.o
    gcc -omyclient -rdynamic -L/usr/lib/mysql -lmysqlclient -lz -lcrypt -lnsl -lm -lssl -lcrypto myclient.o

myclient.o: myclient.c
    gcc -omyclient.o -c myclient.c

physacco

// Parse and format time.
// Written by physacco. 2011-05-13.
//
// Tested on:
// - Mozilla SpiderMonkey JavaScript-C 1.7.0 2007-10-03.
// - Mozilla Rhino 1.7 release 0.7.r2.fc12 2009 07 28.
//
// To run it with nodejs, substitute print with console.log.

// YYYY-mm-dd HH:MM:SS

physacco

// Print number in comma-splited format.
// Written by physacco. 2011-05-13.
//
// Tested on:
// - Mozilla SpiderMonkey JavaScript-C 1.7.0 2007-10-03.
// - Mozilla Rhino 1.7 release 0.7.r2.fc12 2009 07 28.

function commaSplitNumber(num) {
    var numstr = num.toString();
    var dec, frac;

physacco

bigdecimal (1.2.0)
io-console (0.4.2)
json (1.7.7)
minitest (4.3.2)
psych (2.0.0)
rake (0.9.6)
rdoc (4.0.0)
test-unit (2.0.0.0)