gsw945

People

:bowtie:	😄 :smile:	😆 :laughing:
😊 :blush:	😃 :smiley:	☺️ :relaxed:
😏 :smirk:	😍 :heart_eyes:	😘 :kissing_heart:
😚 :kissing_closed_eyes:	😳 :flushed:	😌 :relieved:
😆 :satisfied:	😁 :grin:	😉 :wink:
😜 :stuck_out_tongue_winking_eye:	😝 :stuck_out_tongue_closed_eyes:	😀 :grinning:
😗 :kissing:	😙 :kissing_smiling_eyes:	😛 :stuck_out_tongue:

gsw945

package main

import (
	"encoding/base64"
	"net/http"
	"net/http/httputil"

	"github.com/astaxie/beego"
	"github.com/astaxie/beego/context"
)

gsw945

/*
wordArray: { words: [..], sigBytes: words.length * 4 }
*/

// assumes wordArray is Big-Endian (because it comes from CryptoJS which is all BE)
// From: https://gist.github.com/creationix/07856504cf4d5cede5f9#file-encode-js
function convertWordArrayToUint8Array(wordArray) {
	var len = wordArray.words.length,
		u8_array = new Uint8Array(len << 2),
		offset = 0, word, i

gsw945

Unity3D optimization tips

Some code allocates memory when running in the editor and not on the device. This is due to Unity doing some extra error handling so possible error messages can be output in the console. Much of this code is stripped during build. It's therefore important to profile on device, and do it regularly.

Optimizations often makes code more rigid and harder to reason. Don't do it until you really need to.

When profiling, wrap methods or portions of a method in Profiler.BeginSample(string name) and Profiler.EndSample() to make them easier to find in the profiler.

public class SomeClass {

gsw945

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:

gsw945

var socket = null;

function bootstrap() {

  // 適当な図形を描画
  var c = document.getElementById('mycanvas');
  var ctx = c.getContext('2d');
  ctx.globalalpha = 0.3;
  for(var i=0; i<1000; i++) {
    ctx.beginPath();

gsw945

// Mirror Network Migration Tool
// Written by M. Coburn (@coburn64 on Twitter/SoftwareGuy on Github)
// This file is part of Mirror Networking by Coburn64, Lymdun, vis2k and Paul (goldbug).
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using UnityEditor;
using UnityEngine;

gsw945

On a recent project, I ran into an issue with Python Selenium webdriver. There's no easy way to open a new tab, grab whatever you need and return to original window opener.

Here's a couple people who ran into the same complication:

• http://stackoverflow.com/questions/17547473/how-to-open-a-new-tab-using-selenium-webdriver
• http://stackoverflow.com/questions/6421988/webdriver-open-new-tab/9122450#9122450
• https://groups.google.com/forum/#!topic/selenium-users/kah4iEPRopc
• ... and many many more.

So, after many minutes (read about an hour) of searching, I decided to do find a quick solution to this problem.

gsw945

# -*- coding: utf8 -*-

from __future__ import print_function

class LockManager:
    def __init__(self):
        self.locks = []

    def add(self, transaction, record_id):
        if not self.exists(transaction, record_id):

gsw945

next_xid = 1
active_xids = set()
records = []

def new_transaction():
    global next_xid
    next_xid += 1
    active_xids.add(next_xid)
    return Transaction(next_xid)