babyking

Key Name Resulting Keystroke 
{F1} - {F24} Function keys. For example: {F12} is the F12 key. 
{!} ! 
{#} # 
{+} + 
{^} ^ 
{{} { 
{}} } 
{Enter} ENTER key on the main keyboard 
{Escape} or {Esc} ESCAPE 

babyking

Table Of Contents

• Data Structures
  • Linked Lists
  • Trees
    • Binary Trees
    • Binary Search Tree
    • Red-Black Tree
    • AVL Tree
• Tries

babyking

----- BEGIN LICENSE -----
MinBan
Single User License
EA7E-806395
318133A3 8F202A61 B0DBB8EB 21E17D2E
97D540E6 34079344 54620650 71E47589
9EF87857 345F5042 0D728DD1 8D8C979D
6A4F4DD2 67BB0345 746CA297 515BDA91
6CEAB381 4DB56700 D77DCD14 977BD326
1AC309ED 0EB414B8 4730DA10 99DBD291

babyking

[Ruby]$: 是什么意思？

ruby comes with a set of predefined variables

$: = default search path (array of paths)

其他Ruby特殊变量：
$! 最近一次的错误信息
$@ 错误产生的位置
$_ gets最近读的字符串

babyking

gist rb - a gist with a filename of "gist.rb" (ie. Ruby syntax).
gist .rb - a gist with a filename of "gist.rb" (ie. Ruby syntax).
gist foo.rb - a gist with a filename of "foo.rb".
gist ipsum lorem - a gist with no filename/syntax and a description of "ipsum lorem"
gist - ipsum lorem - a gist with no filename/syntax and a description of "ipsum lorem"
gist .rb ipsum lorem - a gist with a filename of "gist.rb" and a description of "ipsum lorem"
gist foo.rb ipsum lorem - a gist with a filename of "foo.rb" and a description of "ipsum lorem"
gist rb ipsum lorem - a gist with no filename and a description of "rb ipsum lorem"
gist - foo.rb ipsum lorem - a gist with no filename and a description of "foo.rb ipsum lorem"

babyking

<root>   
    <!--
    <devicevendordef>
        <vendorname>thinkpad_trackpoint</vendorname>
        <vendorid>0x17ef</vendorid>
    </devicevendordef>
     <deviceproductdef>
        <productname>my_thinkpad_trackpoint</productname>
        <productid>0x6009</productid>
    </deviceproductdef>