Markdown-程式代碼或語法高亮

直接展示：每個三個` 符號後面直接寫程式語言名稱如：sql C# java python 等等的

var s = "JavaScript syntax highlighting";  
alert(s);

s = "Python syntax highlighting"  
print s

No language indicated, so no syntax highlighting.  
But let's throw in a <b>tag</b>.