$ sudo apachectl start
$ sudo apachectl stop

$ sudo chown -R `wanggengzhou` /usr/local
$ cd /usr/local
$ git init
$ git remote add origin git://github.com/mxcl/homebrew.git
$ git pull origin master

$ brew install ruby

$ vim ~/.bash_profile

export PATH=$(brew --prefix ruby)/bin:$PATH

$ gem update --system
$ gem install jekyll

$ sudo vim /usr/share/vim/vimrc

set ai                  " auto indenting
set history=100         " keep 100 lines of history
set ruler               " show the cursor position
syntax on               " syntax highlighting
set hlsearch            " highlight the last searched term
filetype plugin on      " use the file type plugins

" When editing a file, always jump to the last cursor position
autocmd BufReadPost *
\ if ! exists("g:leave_my_cursor_position_alone") |
\ if line("'\"") > 0 && line ("'\"") < = line("$") |
\ exe "normal g'\"" |
\ endif |
\ endif

~/Library/Containers/com.tencent.qq/Data/Library/Application Support/QQ

$ sudo chown -R .git/

~/Library/Application\ Support/Dock/*.db

++[[]][+[]]+[+[]]

++[[]][+[]]
+
[+[]]

++[[]][0]
+
[0]

+([] + 1)
+
[0]

1
+
[0]

1
+
"0"
=== "10"

$ cd ~/.ssh 
$ ls
authorized_keys2  id_dsa       known_hosts config            id_dsa.pub

$ ssh-keygen -t rsa -C "<em>your_email@youremail.com</em>"
# Creates a new ssh key using the provided email # Generating public/private rsa key pair. 
# Enter file in which to save the key (/home/<em>you</em>/.ssh/id_rsa):

Enter passphrase (empty for no passphrase): <em>[Type a passphrase]</em> 
# Enter same passphrase again: <em>[Type passphrase again]</em>

Your identification has been saved in /home/<em>you</em>/.ssh/id_rsa. 
# Your public key has been saved in /home/<em>you</em>/.ssh/id_rsa.pub. 
# The key fingerprint is: # 01:0f:f4:3b:ca:85:d6:17:a1:7d:f0:68:9d:f0:a2:db <em>your_email@youremail.com</em>

$ cat ~/.ssh/id_rsa.pub  
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABABAQDx22Bj5dKvRhwFili/DIKqlcYPIVIGv04h0p0JG+0CZQrGk2iBV/0X+bGJXJFl3cgydfgzxV77qRfbQ8B8nXfTuvYbAttzbCj0U97Aj9/XX4ZxXDLLkbtLrZeOVM0NRAJkPb1/EznQ/rsm8gAyUZRLv+L8lqMaTSkAZiL1LggFASDDa2Rq9MbRaYUTzaL2Fmx0Hg8HKlPQiXhZ8U8wISLySPYzWpCvWBAcOCT5EbgrnqbD1W1Ec4XVutalh98LdDoBYzZO4T6D59ce1jiasIL1U/0Y6Nc3ZEDATfGLWKLnpRKZnxx42LG2cMhij4XZIFsL5lLh2bT+emVjkmRb64DJdr 326684793@qqcom

$ ssh -T git@github.com
# Attempts to ssh to github

$ git remote -v
origin https://github.com/someaccount/someproject.git (fetch)
origin https://github.com/someaccount/someproject.git (push

git@github.com:someaccount/someproject.git

$ git remote set-url origin git@github.com:someaccount/someproject.git

1. Open a terminal,
2. Choice the drop-down menu 'Edit'
3. Click the menu 'Profile Preferences'

4. Choice 'Title and Command'

5. Click the command 'Run command as a login shell'

Then you can't run '/bin/bash --login' next time.

$ ./android create avd -n myphone01 -t 2

Auto-selecting single ABI armeabi-v7a
Created AVD 'myphone01' based on Google APIs (Google Inc.), ARM (armeabi-v7a) processor,
with the following hardware config:
hw.lcd.density=240
vm.heapSize=48
hw.ramSize=512

$ sudo ./emulator @myphone01 -sdcard mysd01 -scale 0.8

Failed to get the adb version: Cannot run program "/media/m_backup/Setup_Files/Programing/android-sdk-linux/platform-tools/adb": java.io.IOException: error=13, 权限不够 from '/media/m_backup/Setup_Files/Programing/android-sdk-linux/platform-tools/adb' - exists=true

你安装的JDK版本就不对，对应你64位电脑的版本名称是 jdk-7-windows-x64.exe

//自动生成label
for (int x = 0; x < 5;x++ )
{
    Graphics
     dc = CreateGraphics();
    Show();
    Pen bluePen = new Pen(Color.Blue, 3);
    dc.DrawRectangle(bluePen, x*80, 0, 50, 50);
}

int _Height = 0;

for (int i = 0; i < 10; i++)
{
    Label sy = new Label();
    sy.AutoSize = true;
    sy.Location = new Point(0, _Height);
    _Height += sy.Height;
    sy.Text = i.ToString();
    Controls.Add(sy);
}

//生成button
Button[] buttons = new Button[50];
// for (int i = 0; i < 5; i++) // 只产生5个button
for (int i = 0; i < classroom_name_init.Length; i++)
{
    int t_y = i / 10;
    int t_x = i % 10;
    if (classroom_name_init[i] != null)
    {
        buttons[i] = new Button();
        buttons[i].Name = "button" + i;
        // buttons[i].Text = buttons[i].Name;
        buttons[i].Text = zone_name_init + classroom_name_init[i];
        buttons[i].Size = new Size(60, 25);
        buttons[i].Location = new Point(110 + 70 * t_x, 210 + 50 * t_y);

        //panel1.Controls.Add(buttons[i]);
        buttons[i].BringToFront();//置于顶层
        buttons[i].Click += new EventHandler(Buttons_Click);
    }
    else
    {

    }
}
this.Controls.AddRange(buttons);

//生成的button有按键效果
void Buttons_Click(object sender, EventArgs e)
{
    date_str = comboBox3.Text + " " + comboBox4.Text + "-" + comboBox5.Text;
    this.Text = (sender as Button).Text;
    Classroom classroom = new Classroom(zone_name_init, classroom_name_init, this.Text, date_str);
    this.Hide();
    classroom.ShowDialog();
}