Author Archive

Renewing letsencrypt certificate on Synology DSM

sudo syno-letsencrypt renew-all -vv
... please wait ....
DEBUG: save to files
DEBUG: renew success. [/usr/syno/etc/certificate/_archive/xxxxx].
Categories: null

Learning AngularJS – Part 1

April 19, 2015 Leave a comment


Prepare your favorite text editor:

I use WebStorm

SublimeText is also quite a good choice,


Install nodejs:


Install bower package manager,


sudo npm install bower –g

Install karma test runner,


sudo npm install karma -g

Install latest JDK,


Install Selenium browser automation,


npm install selenium-webdriver –g

Install protractor,


sudo npm install protractor -g

Install grunt,


sudo npm install grunt-cli -g


Install yeoman,


sudo npm install yo -g


Install angular and karma generator

sudo npm install generator-karma generator-angular -g

Create your first AngularJS App

yo angular helloAngularJS
Categories: Dev, null

Installing visual studio 2012 on windows 8 release preview

September 18, 2012 Leave a comment
  1. Find the following registry:
    x32: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full.
    x64: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\NET Framework Setup\NDP\v4\Full
  2. Right click on the node, choose Permissions, then click “Advanced” button and change owner of this node to Administrators and then click OK and give Full Control permission to Administrators
  3. Change the value of “Version” parameter to “4.5.50709”


Refer to

Categories: Dev, null, Windows

Android Market Search operator “+” and “-“

December 4, 2010 Leave a comment

Often, searching in android market give you huge amount of apps including font, theme, etc; resulting in the official app listed below 20 useless apps.

However, search in the Android Market supports operators - and +.

Categories: Android, Gadgets

Chrome 8.0.552.215

December 3, 2010 Leave a comment
  • over 800 bug fixes and stabilityimprovements,
  • built in PDF viewer that is secured in Chrome’s sandbox.
  • latest security fixes

Google Chrome Releases

Categories: Windows

Official Google readar is finaly in the Android Market

December 2, 2010 Leave a comment

The app supports all the basics you’d expect like unread counts, friends, sharing, liking, and starring, but it also has a whole lot more, including:

  • Multiple accounts
  • Synced preferences
  • Full subscription features (subscribe and search from your phone)
  • Search

Grab official google reader here:

Categories: Android, Gadgets

Apple find MyPhone is now free

November 29, 2010 Leave a comment

It used to cost US$99 as part of mobileme subscriptsion. Its idea is to use other iPhones/iPads/iPodTouches to find your lost or stolen iPhone. It can also remotely lock  iPhone, or even delete all data.

Categories: Gadgets, iOS
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