Integrate font from google font

source:

  https://www.google.com/fonts
  http://fundesigner.net/google-web-font/

mongodb Error: failed to connect to [localhost:27017]

source:

  http://www.cnblogs.com/CccccYj/p/3548967.html

  or might be a permission issue try sudo mongod to fix it.

Use node.js to handle image by gm

resource:

  http://aheckmann.github.io/gm/docs.html

MongoDB shell usage

1. Install mongodb.

2. excute mongo

        ==>   show dbs.

3. mongo xxx  ==> connect to xxx database.

The authenticity of host can't be established issue

when using ssh connect to 192.168.0.xxx would meet this issue:

  ssh  -o StrictHostKeyChecking=no  192.168.0.xxx

git commit 常用指令

修正 commit 過的版本歷史紀錄 : http://ithelp.ithome.com.tw/question/10138791

* git reset --hard "HEAD^"
* git reset --soft "HEAD^"
* git reset --hard ORIG_HEAD
* git commit --amend

設定 .gitignore 忽略清單: http://ithelp.ithome.com.tw/question/10138831

How to talk to modem with at-command

source:
    http://forum.xda-developers.com/showthread.php?t=1471241