SEARCH KEYWORD -- Index search


  Set PHP session timeout

There are many different discussions about PHP sessions. We may often face some weird issues while handling PHP sessions. Sometimes session is expired earlier than expected. Or sometimes the session is not expired. This introduces many confusions. Today we discuss how to set PHP session timeout correctly today. In php.ini, there are three key parameters which will affect the session timeout. session.gc_maxlifetime, session.gc_probability and session.gc_divisor. session.gc_maxlifetime defined the...

   PHP,session,timeout     2013-08-31 08:11:03

  Jelly Bean becomes the most popular Android OS

Google released the latest Android usage stats on Monday. Jelly Bean becomes the most popular Android OS for the first time. It takes 37.9% Android market share(32.3% from 4.1.x and 5.6% from 4.2.x). Ginegerbread is at the second place and it has 34.1% Android market share. This is a good news to many Android developers as they can use many new features provided in the new system if there are more and more users are using the new OS. Also if Google wants to attract news users, they have to enco...

   Android,Jelly Bean,Usage     2013-07-09 04:52:28

  Tips to improve JavaScript efficiency

Writing JavaScript code is tedious and error prone. You not only need to implement the necessary functions, but also need to ensure cross browser compatibility. This often causes the low efficiency of JavaScript developers. Here we recommend 12 tips you can benefit from. 1. Remove array element by index If we want to remove one element in an array, we can use splice. function removeByIndex(arr, index) { arr.splice(index, 1); } test = new Array(); test[0] = ’Apple’; test[1] = &rsq...

   JavaScript,Tips,Array     2013-07-27 20:50:40

  Google CEO : Facebook holds its users hostage

Google CEO Larry Page claimed in a media interview recently that it’s unfortunate that Facebook has been pretty closed with their data while Google is in the business of searching dataPage has been attacking Facebook ban on the search engine to search its data. In fact, the battle between the two sides has been going on for several years, and in June 2011 Google launched its social networking service Google+ which somehow further exacerbated the tension. On Monday, Page, in an interview...

   Google,Facebook,Hostage,Larry Page     2012-05-23 05:58:07

  WeChat has 100 million international users now

Just one month ago, Tencent announced that it had 70 million international users outside of China mainland. Today, they announced that WeChat hit 100 million international users. In just one month, the international users increase by 30 million. WeChat becomes one of the most tough competitors in the international IM market. Although there are still Whatsapp, Line and some other IMs, WeChat provides many different robust features, especially in the newly released WeChat 5. The new features in W...

   WeChat,Tencent,Internationalization     2013-08-20 02:38:14

  Top 8 website operation laws

As a website operator, in addition to have some necessary professional knowledge to master a website, such as prototype planning, interaction design, SEO, as well as basic html code, you should also know more about some of the theories which are good for site operations to ensure that the site can be long-term, stable. 1. Law of 250 Girard thinks every person knows at least 250 people. If you win the goodwill of a customer, it means you win the goodwill of 250 individuals; Conversely, if you off...

   Website management,Rules     2012-09-13 20:55:50

  Features of Google Android 4.1 Jelly Bean

In today's Google IO 2012 in San Francisco, Google announced its new Android system Android 4.1 Jelly Bean. It's a whole new Android OS and many new features are added to it. Let's check out what new features are added to Jelly Bean.1.  Projector ButterIt uses VSync and Tripple buffering to improve the interactivity experience and increase frame rate. It makes Jelly Bean the fastest and smoothest Android ever2. New home screenYou can customize the home screen. You can re-size the home scree...

   Android, Google IO, Android 4.1, Kelly Bean     2012-06-27 12:49:49

  Understanding JavaScript closure and where it can be used

Closure The official definition of closure is: an expression (usually a function) that has many variables and is bound to an environment that includes those variables. In JavaScript, closure refers to the ability of a function to access the lexical scope in which it was defined, even after the function has been executed and left that scope. This ability is due to the fact that when a function is created, it generates a closure that includes a reference to the definition environment of the curr...

   CLOSURE,JAVASCRIPT,USAGE     2023-03-05 02:17:08

  Interesting program comments

With Google Code Search, we can search some interesting code snippets comments. Some of them are interesting. Programming is not a boring task if you have a good attitude. Lets see some funny comments. Have fun.Not very confident :Dragon everywhere :One more angry comment :I told them earlier:F**K:Don't look following programs:Author :  陈皓 Source : http://coolshell.cn/articles/290.html...

   Programming,comment,interesting     2012-04-23 06:51:05

  Why you should be careful about optimizations

In one of my current javascript projects, I have to deal with 3D voxel coordinates. And, sometimes, I have floating points coordinates which must be converted to integers in order to convert them into proper array index. Javascript is a wonderful language, really. However, implementations are sometimes weird, and the way to do something can sometimes have very huge impacts on the performances. Worse, sometimes the classical way is more expensive than the tricky one. So, some peo...

   JavaScript,Bitwise,Floor,Trick,Optimization     2012-05-02 11:29:20

RECENT