node.js教學－操作MySQL資料庫

http://blog.allenchou.cc/nodejs-tuts-5-use-mysql-db/

Qt入門篇(1)

http://chenglearning.blogspot.tw/2013/11/qt1-qt-gui-application.html

Raspberry Pi – hiding boot messages on screen

There may be a time when one would want to hide boot messages that show up on the screen (or monitor or TV). The trick is to edit /boot/cmdline.txt file.

One may use the following command

sudo nano /boot/cmdline.txt

Then make the following changes to the file:

- Replace "console=tty1" by "console=tty3" to redirect boot messages to the third console.
- Add "loglevel=3" to disable non-critical kernel log messages.

After changing, to get to the console simply press Alt + F3 during or after boot. However, if text cursor needs to be hidden also then add “vt.global_cursor_default=0″ to the /boot/cmdline.txt file. In my case, I prefer to have text cursor as an indicator that it is actually booting.

Here is the content of my /boot/cmdline.txt

dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty3 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait logo.nologo loglevel=3

This is a quick and dirty solution for an unanimated custom splash screen during boot.


First of all, you need to install fbi:

apt-get install fbi


Copy your custom splash image to /etc/ and name it “splash.png”.


Next, create an init.d script called “asplashscreen” in “/etc/init.d/”.


I chose “asplashscreen” with an “a” at the beginning to be sure it starts first.

#! /bin/sh
### BEGIN INIT INFO
# Provides:          asplashscreen
# Required-Start:
# Required-Stop:
# Should-Start:      
# Default-Start:     S
# Default-Stop:
# Short-Description: Show custom splashscreen
# Description:       Show custom splashscreen
### END INIT INFO

do_start () {

    /usr/bin/fbi -T 1 -noverbose -a /etc/splash.png    
    exit 0
}

case "$1" in
  start|"")
    do_start
    ;;
  restart|reload|force-reload)
    echo "Error: argument '$1' not supported" >&2
    exit 3
    ;;
  stop)
    # No-op
    ;;
  status)
    exit 0
    ;;
  *)
    echo "Usage: asplashscreen [start|stop]" >&2
    exit 3
    ;;
esac


Then make that script executable and install it for init mode rcS:

chmod a+x /etc/init.d/asplashscreen

insserv /etc/init.d/asplashscreen


Reboot and watch your custom splash screen:

reboot

Linux下MySQL 5.5的修改字符集编码为UTF8（彻底解决中文乱码问题）

http://www.ha97.com/5359.html

sudo cp mt7601Usta.ko /lib/modules/3.12.28+/kernel/drivers/net/wireless/

sudo depmod -a

sudo reboot

Install Adminer manually on Ubuntu 14.04

http://www.leaseweblabs.com/2014/06/install-adminer-manually-ubuntu-14-04/

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How To Install Linux, Apache, MySQL, PHP (LAMP)  on buntu

https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu