The first and most important thing to begin your responsive web design is to set the viewport meta. The syntax is like <meta name=”viewport” content=”width=300, initial-scale=1″>.  What does the width […]

I always forget the difference between the grouping selector and the descendant selector. grouping selector: h1,h2 {…} descendant selector: h1 em {…} child selector(like descendant selector but only selects the […]

What is the xml root element? The first tag except the “<?xml version=”1.0″ encoding=”ISO-8859-1″?>” and the <!DOCTYPE …> is the root element.  How to get the xml document root in […]

Some concepts of Qt Thread are subtle enough to confuse most newbies. You may have read articles about “the right way” and “the wrong way” to use Qt thread, and […]

mhook is a good library to set up Windows API hook. However it is developed under VC. You can Download the source code of mhook   and uncompress the zip package, […]