Thursday, March 8, 2012

take icon off from system bar

press Control + command with mousing on icon.

Mac OS X Lion 10.7.

Monday, March 5, 2012

Qt Build Error: g++-4.2: No such file or directory

更新軟體,同步Xcode和QT版本。

http://stackoverflow.com/questions/8860105/qt-build-error-g-4-2-no-such-file-or-directory

 

Saturday, November 5, 2011

problem of apt-get install


E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

rm /var/lib/dpkg/lock
rm /var/cache/apt/archives/lock
sudo dpkg --configure -a


Reference
http://www.linuxquestions.org/questions/linux-newbie-8/e-could-not-get-lock-var-lib-dpkg-lock-open-11-resource-temporarily-unavailable-360554/

Apache in linux Ubuntu(2)

403 Forbidden
<Directory />
    Options FollowSymLinks
    AllowOverride None
    Order deny,allow
    Deny from all
</Directory>



權限問題
drwx------

chmod 707

Reference 
http://ubuntuforums.org/archive/index.php/t-763605.html
http://linux.vbird.org/linux_basic/0210filepermission.php
http://klaus580925.pixnet.net/blog/post/28185261-%5B伺服器的背叛%5D---解決-apache-的-403-forbidden-問

Apache in linux Ubuntu(1)


root@chihhang-desktop:/etc# ./init.d/apache2 restart

Error message 
* Restarting web server apache2
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
 ... waiting apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
   ...done.
Solve
   vi /etc/apache2/httpd.conf
ServerName localhost 

http://plus-now.com/?p=4

Successful message
 * Restarting web server apache2
 ... waiting    ...done.


Sunday, October 16, 2011

vi in Linux

W. 上下右左會出現ABCD in the insert mode
vi ~/.vimrcset nocompatible
Q. It doesn't work with MacVim (and GUI Vim). I'm only able to delete text from the line I'm in. If I switch to normal mode or if I move the cursor to another line I'm not able to delete text with backspace anymore and I have to delete it with 'x' in normal mode. 
set backspace+=indent,eol,start set backspace=2 
Q. color for c language
:syntax on 
Q. disconnection
ServerAliveInterval 60 sec








u
復原前一個動作。(常用)








[Ctrl]+r
重做上一個動作。(常用)

Q. Page down, Page up.

Then CTRL-B and CTRL-F should do the trick.

referance
http://www.yolinux.com/TUTORIALS/LinuxTutorialAdvanced_vi.html (Home of vim)
http://vim.1045645.n5.nabble.com/MacVim-and-backspace-td1216153.html
http://doc.linuxpk.com/80773.html 
http://homepage.ttu.edu.tw/u9106240/page_main/vim_menu.html
http://greenisland.csie.nctu.edu.tw/wp/2005/09/10/329/

SSH in Ubuntu (1)

Q. I need to provide remote access to my server. How do I start / stop ssh  server under Ubuntu Linux operating system?
A. You need to run script /etc/init.d/ssh to stop / start / restart OpenSSH server.
sudo /etc/init.d/ssh start start, stop, restart 
Q. Time out problem
vi /etc/ssh/ssh_config
ConnectTimeout 1000

Piggy Note

Referance
http://www.cyberciti.biz/faq/howto-start-stop-ssh-server/

Register Transfer Level Design with Verilog (1) [ebook]

設計程式之所以有趣不外乎是它的千變萬化,同樣的結果卻有不同的寫法。 但這些不同寫法當中也並沒有分誰對誰錯,也沒有制定標準來規範何事該用何解。 這也就是我們設計者的珍貴!! [1] Primitive Instantiations 在Verilog中最基本的邏輯...