kfei

def get_interface_name
  interfaces = {}
  puts 'Valid network interfaces detected are:'
  interfaces_with_mac = `ifconfig -a | grep -i hwaddr | awk '{ if( match($1, /^eth/) ) {print $1, $5} }'`.lines.map(&:chomp)
  interfaces_with_mac.each_with_index do |x, index|
    interfaces[index] = x.split[0]
    puts "  #{index}) #{x.split[0]} ( #{x.split[1]} )"
  end

  print 'Please choose an interface to configure: '

kfei

import java.io.IOException;
import java.io.InputStream;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;

public class Exec {

kfei

#!/usr/bin/env python

import sys
import threading
import Queue
import commands
import time


# thread class to run a command

kfei

import multiprocessing

def thread_func(): 
    print "thread in"
    while True:
        pass

if __name__ == "__main__":
    t1 = multiprocessing.Process(target = thread_func)
    t1.start()

kfei

# File Transfer model #3
#
# In which the client requests each chunk individually, using
# command pipelining to give us a credit-based flow control.

import os
import sys
from threading import Thread

import zmq

kfei

addrs bits pref   mask             

     1   0  /32    255.255.255.255
     2   1  /31    255.255.255.254
     4   2  /30    255.255.255.252
     8   3  /29    255.255.255.248
    16   4  /28    255.255.255.240
    32   5  /27    255.255.255.224
    64   6  /26    255.255.255.192
   128   7  /25    255.255.255.128

kfei

# burn your 4 cores
for i in 1 2 3 4; do while : ; do : ; done &  done

kfei

RUN buildDeps='gcc libc6-dev make'; \
    set -x \
    && apt-get update && apt-get install -y $buildDeps --no-install-recommends \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir -p /usr/src/redis \
    && curl -sSL "$REDIS_DOWNLOAD_URL" -o redis.tar.gz \
    && echo "$REDIS_DOWNLOAD_SHA1 *redis.tar.gz" | sha1sum -c - \
    && tar -xzf redis.tar.gz -C /usr/src/redis --strip-components=1 \
    && rm redis.tar.gz \
    && make -C /usr/src/redis \

kfei

# Use ffmpeg to decode input video (GIF in this case)
ffmpeg -i input.gif decode/%d.png

# Use ImageMagick to crop, format: (W)x(H)+(W_SFHIT)+(H_SHIFT)
# Note the {from..to..skip} usage of Bash
convert decoded/{1..759..5}.png -crop 315x172+20+40 resized/%d.png

# An resize option
# convert decoded/{1..759..5}.png -crop 315x172+20+40 -resize 30% resized/%d.png

kfei

func main() {
    args := os.Args
    arg := make([](*_Ctype_char), 0)
    l := len(args)
    for i, _ := range args {
        char := C.CString(args[i])
        // defer C.free(unsafe.Pointer(char))
        strptr := (*_Ctype_char)(unsafe.Pointer(char))
        arg = append(arg, strptr)
    }