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The previous few basic has achieved most of the instant Messaging features: Chat, group chat, send files, pictures, messages. But these businesses are relatively rugged. Below we have the business refinement, before using the dead data, then we will

Http_load a performance measurement tool based on the Linux platform. To test the throughput and load of the Web server, test the performance of the Web page. Tools are simple, lightweight, and easy to test, but only available on Linux systems, and

PHP Regular Expression full manual preface the regular expression is cumbersome, but powerful, learned after the application will let you in addition to improve efficiency, will give you an absolute sense of accomplishment. It is not a problem to

Original: Full Manual of PHP regular expressionsPHP Regular Expression full manual preface the regular expression is cumbersome, but powerful, learned after the application will let you in addition to improve efficiency, will give you an absolute

2. lifecycle of the activity during horizontal and vertical screen Switching1. When the Android: configchanges of the activity is not set, the split screen will call the lifecycle of each activity again. The split screen will be executed once, and

The two-step-based mesh denoising algorithm, as its name implies, consists of two steps: First, filter the normal direction of the mesh surface, get the adjusted grid method to the information, and then update the vertex coordinate position

1, Introduction:In the project, regular use is common, such as login account and password (mobile number, mailbox, etc.). The method used is predicate object filtering:nspredicate. 2. What is a regular expression:Regular expressions, also known as

Stack tracesBy Calvin AustinJuly 1998 It's the night before your product release. you run your final tests and then it happens -- you get a java stack trace. you look through your Java programming books, but this seems to be an area that's

Since the publication of the article "confusedProgramEmployee "and I haven't written anything for a long time, huh? Why should I use the word "again! Ah! Sorry! Okay! Not much nonsense, the feelings in the garden are really "Silently Two Tears" ---

1. Life cycleScenario Demo: Switch to the fragment11-29 14:26:35.095:d/applistfragment (7649): Onattach11-29 14:26:35.095:d/applistfragment (7649): onCreate11-29 14:26:35.095:d/applistfragment (7649): Oncreateview11-29 14:26:35.100:d/applistfragment