Markdown語法中代碼塊的常用標識：

• C
  -- c、cpp

char *str = "c/cpp";

• C#
  -- c#、c-sharp、csharp

string str = "csharp";

• Java
  -- java

String str = "java";

• Go
  -- go、golang

str := "golang";

• Objective-C
  -- objc、obj-c

NSString *str = @"objc";

• Swift
  -- swift

var str = "swift";

• Shell
  -- bash、shell

echo "bash"

• CSS
  -- css

#div-size {
width: 10px;
height: 10px;
}

• JavaScript
  -- js、jscript、javascript

var str = "javascript";

• PHP
  -- php

<?php 
$str="The best language in the world!!!"; 
echo $str; 
?>

• Python
  -- py、python

str = "python";

• Ruby
  -- ruby、rails、ror、rb

str = "ruby";

• SQL
  -- sql

select * from table where name='mysql';