vothanhkiet

/**
 * Deep diff between two object, using lodash
 * @param  {Object} object Object compared
 * @param  {Object} base   Object to compare with
 * @return {Object}        Return a new object who represent the diff
 */
function difference(object, base) {
	function changes(object, base) {
		return _.transform(object, function(result, value, key) {
			if (!_.isEqual(value, base[key])) {

vothanhkiet

Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.

Method 1

Backup the public and secret keyrings and trust database

cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/

or, instead of backing up trustdb...

vothanhkiet

Installing an Android ROM with your Mac via Heimdall and bash

Because every time I want to flash a new ROM, I forgot how I did it the last time.

This is how I re-flashed my unbranded Samsung Galaxy S4 (german black edition) with a stock ROM (because Cyanogenmod crashed my phone all the time). The correct Stock ROM for my Galaxy S4 is: I9505XXUHOJ2_I9505OXAHOJ2_I9505XXUHOJ2

Software you need

• adb
• heimdall (brew cask install heimdall-suite)

vothanhkiet

I recently ran into a problem where I had a suite of applications hosted on a set of subdomains that all needed to be able to share a single cookie. Any cookies other than the shared cookie needed to stay specific to their subdomain, but this one shared cookie needed to be accessible to any of them. I also wanted to accomplish this using Laravel's Cookie facade.

The Problem

To accomplish this, there were two issues to solve.

1. All cookies created by the Laravel framework are encrypted by default. (link)
2. I needed to figure out how to set a domain on the shared cookie that was different than the domain it was being set from.

Setting Non-Encrypted Cookies

In Laravel 5.1, a feature was added which allows you to add a list of cookie names that should not be encrypted to the EncryptCookies Middleware under the $except array. Check out [the docs](http://laravel.com/docs/5.1/responses#attaching-cookies

vothanhkiet

function keepTrying(otherArgs, promise) {
	promise = promise||new Promise();
	
	// try doing the important thing
	
	if(success) {
		promise.resolve(result);
	} else {
		setTimeout(function() {
			keepTrying(otherArgs, promise);

vothanhkiet

func EncodeStreamingVideo(streamingFile io.Reader, request ShouldCanceler) (*os.File, error) {
  outputFilename := generateFilename("mp4")

  // Actually start the command.
  cmd := exec.Command("ffmpeg",
    // Read input from stdin.
    "-i", "-",
    // ... environment-specific ffmpeg options ...
    "-y", outputFilename)

vothanhkiet

public function index(){
    $categoryList = Category::all();
    return view('category.list')->with('categoryList', $categoryList);
}

vothanhkiet

vi /etc/environment

add these lines...

LANG=en_US.utf-8
LC_ALL=en_US.utf-8

vothanhkiet

cat /sys/kernel/debug/hid/0003:046D:C332.029F/rdesc

05 01 09 06 a1 01 85 01 05 07 19 e0 29 e7 15 00 25 01 75 01 95 08 81 02 81 03 95 06 75 08 15 00 26 a4 00 19 00 2a a4 00 81 00 c0 05 0c 09 01 a1 01 85 03 75 10 95 02 15 01 26 8c 02 19 01 2a 8c 02 81 00 c0 05 01 09 80 a1 01 85 04 75 02 95 01 15 01 25 03 09 82 09 81 09 83 81 60 75 06 81 03 c0 06 00 ff 09 01 a1 01 85 10 75 08 95 06 15 00 26 ff 00 09 01 81 00 09 01 91 00 c0 06 00 ff 09 02 a1 01 85 11 75 08 95 13 15 00 26 ff 00 09 02 81 00 09 02 91 00 c0 

  INPUT(1)[INPUT]
    Field(0)
      Application(GenericDesktop.Keyboard)
      Usage(8)
        Keyboard.00e0
        Keyboard.00e1

vothanhkiet

FROM traefik:camembert
ADD traefik.toml .
EXPOSE 80
EXPOSE 8080
EXPOSE 443