quark-zju

// Link with -rdynamic

#include <execinfo.h>
#include <assert.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>

void bt() {
  const size_t size = 100;

quark-zju

rem Enable Win+L, Lock Windows, Disable Win+L.
rem Useful as a workaround to disable Win+L while being able to lock.
rem This makes sence if you are using Win+L for other purpose, for example, use Win+L inside a virtual Linux system.
rem Run this as Administrator. If it is annoying, try UAC Trust shortcut from www.itknowledge24.com

reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableLockWorkstation /t REG_DWORD /d 0 /f
rundll32 user32.dll,LockWorkStation
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableLockWorkstation /t REG_DWORD /d 1 /f

quark-zju

public class Hello {
    public static void main(String args[]) {
        System.out.println("hello world");
    }
}

quark-zju

*.html

quark-zju

require 'rubygems/remote_fetcher'
require 'rubygems/user_interaction'
require 'rubygems/errors'
require 'rubygems/text'

##
# SpecFetcher handles metadata updates from remote gem repositories.

class Gem::SpecFetcher

quark-zju

#include <cstdio>
#include <cinttypes>
#include <stdexcept>
#include <set>

union IPv4Addr {
    struct {
        uint32_t x;
        uint8_t prefix;
    };

quark-zju

#!/usr/bin/env ruby
# List latest china IPv4 list

require 'open-uri'

(ARGF.path == '-' ? open('http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest') : ARGF).lines.each do |l|
  next if !l.include?('ipv4') || l.include?('*')

  cc, type, start, value = l.split('|')[1, 4]

quark-zju

require 'term/ansicolor'
require 'logger'

class String
  include Term::ANSIColor
end

class ColorfulLogger < Logger

  def initialize(logdev, shift_age = 0, shift_size = 1048576)