lotabout

package me.lotabout;

import com.sun.tools.attach.AgentInitializationException;
import com.sun.tools.attach.AgentLoadException;
import com.sun.tools.attach.AttachNotSupportedException;
import com.sun.tools.attach.VirtualMachine;
import java.io.IOException;
import java.lang.instrument.ClassFileTransformer;
import java.lang.instrument.Instrumentation;
import java.lang.instrument.UnmodifiableClassException;

lotabout

#!/usr/bin/env python3

import os
import struct
import socket
import time

def checksum(bytestr):
    # ref
    # - https://en.wikipedia.org/wiki/IPv4_header_checksum

lotabout

#!/usr/bin/env python3

import struct
import socket
import time

# Need to run with root permission cause RAW socket is used

# ref:
# - https://dnaeon.github.io/traceroute-in-python/

lotabout

package me.lotabout;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;

lotabout

def generate(c1,c2,bitlen):
    a = c1 & ~(1<<bitlen)
    b = c2 & ~(1<<bitlen)
    c = c1 >> 1
    d = c2 >> 1
    return (a&~b&~c&~d) | (~a&b&~c&~d) | (~a&~b&c&~d) | (~a&~b&~c&d)

from collections import defaultdict
def build_map(n, nums):
    mapping = defaultdict(set)

lotabout

use std::thread;

fn do_something<'a>(mut callback: Box<FnMut() + 'a>) {
    // check http://stackoverflow.com/questions/35651279/error-closure-may-outlive-the-current-function-but-it-will-not-outlive-it
    // about why adding 'a will work
    callback();
}

fn main() {
    let mut ret = 0;

lotabout

// ==UserScript==
// @name        Post test
// @namespace   jinzhou
// @description Post Test
// @include     *
// @version     1
// @require       http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @grant       GM_xmlhttpRequest
// @grant       GM_addStyle
// ==/UserScript==

lotabout

; Sieve of Eratosthenes
; Checkout https://www.cs.hmc.edu/~oneill/papers/Sieve-JFP.pdf
(def primes
  (concat
    [2]
    (lazy-seq
      (let [prime-inner
            (fn prime-inner [x table]
              (if (table x)
                (prime-inner (inc x)

lotabout

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import subprocess
import re
import json
import sys
from math import ceil

TMUX_BUFFER_NAME = 'dwm'

lotabout

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# translate utility that utilize google translator, support python2 & python3
# Note that the order or arguments in the URL matters.

try:
    from urllib import urlencode
except:
    from urllib.parse import urlencode