fn not working

Lenovo ThinkPadX240 and the X250 , these two models of End keys are a bit different: in the default Fn When you edit a document in the general context, press the Home key to return to the beginning of the line, and End but not at the end of the line,

Zend Encrypted PHP, decrypted with Dezender after a special code, $FN _-2147483647 () website run times wrong: Parse error:syntax error, unexpected ' (' in E:\PHPnow-1.5.6\ htdocs\source\control\admin\frame.php on line 28 The 28th line of code is

If the external display can have a signal output, it can only prove that the display function of the video card or chipset is correct, and does not indicate whether the LCD screen is faulty. After the external monitor is turned on and enters the

Suddenly found that when using QQ can not find the camera, prompted to start the camera failed! Check that the driver is correct, or that a different application is consuming the device.My system is windows8.1, the driver is the official affirmation

Read "You don't know JavaScript" a book to make a note;Compiler principle:JS is a compiled language, similar to the traditional compilation language, the traditional compilation process is divided into three stages;1. Word segmentation/lexical

The magic of this in Javascript, javascriptthis This in Javascript is a completely different mechanism from other languages and may confuse engineers who write other languages. 1. mistakenly think this points to the function itself According to the

This in Javascript is a completely different mechanism from other languages and is likely to confuse some engineers who write other languages. 1. Mistakenly think this point to the function itself According to the English grammar of this, it is

Original: http://www.xialeizhou.com/?p=71Efficient MacBook Working Environment configurationposted on August 1, 2015 by Xialeizhou This document records the entire configuration process, for new MacBook and find the MacBook more difficult to use

JS Asynchronous processing working mechanismOn a basic level, it is important to understand how JavaScript timers work. The execution of timers is often different from our intuitive imagination, because the JavaScript engine is single-threaded.

  As for those selectors, they are available in the help manual. This article mainly analyzes their working principles and optimizes the selectors we write, especially when there are many pages, optimization is needed. Let's get down to the truth.