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  10 major updates of Windows 8.1

Last night, the 2013 Microsoft Build Developer Conference started in San Francisco. The highlight of the first day is Microsoft CEO Steve Ballmer announced the release of Windows 8.1 Preview . The final version will be released in November and he also mentioned that there would be over 300 updates on the new OS. Now let's summarize 10 major updates of the new OS. 1. Classical desktop mode After getting a lot of feedback from users, Microsoft adds a new setting. Users can choose to start in clas...

   Windows 8.1,Build     2013-06-27 05:45:02

  JavaScript: Passing by Value or by Reference

In JavaScript, we have functions and we have arguments that we pass into those functions. But how JavaScript handles what you’re passing in is not always clear. When you start getting into object-oriented development, you may find yourself perplexed over why you have access to values sometimes but not other times. When passing in a primitive type variable like a string or a number, the value is passed in by value. This means that any changes to that variable while in the function are com...

   JavaScript,Function,Pass by reference,Pa     2011-07-28 11:05:25

  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

  Browser market share in June

Recently, the Internet research firm Net Application announced the browser market share report in June, IE's global market share grows to 56.15% in June from 55.99% in May, an increase of 0.16%. However, Firefox drops by 1.48%, its market share is 19.15% in May. Chrome grow by 1.43% to 17.17% in June. Meanwhile, Safari increases by 0.09% to 5.55%, Opera drops 0.19% to 1.58%. For different versions of IE browsers, IE10's global market share is 13.52%, monthly market share increases by 4.26% in J...

   Browser market share,June 2013,Chrome     2013-07-02 03:20:08

  Mac shortcut key cheatsheet

More and more people are using Mac computers or switch from Windows or other OS to MacOS, there are lots of shortcut keys which can help improve the work efficiency or ease operations. This post will try to list some commonly used shortcut keys in Mac. But before that, let's first know some common keys on a Mac computer keyboard. There are four major function keys: Command, Control, Option and Shift. Most of the shortcut keys will combine the functional key and other key. Basic Command key is t...

   SHORTCUT,SCREENSHOT,COMMAND,SHORTCUT KEY,MACOS     2019-02-05 07:13:06

  Crash your Chrome with %%30%30

Have you ever wondered a simple string can crash one of the most sophisticated designed web browsers -- Chrome? There is a finding from Andris Atteka who found that a null string "%%30%30" appended to an URL can crash Chrome. For example, if you have below URL in your browser address bar or you mouse over below URL, Chrome will crash: http://www.pixelstech.net/%%30%30 When the browser crashed, it may show : Or on Windows, you will see : This bug has been reported to Google at Is...

   CRASH,SECURITY,CHROME,GOOGLE     2015-09-20 08:24:16

  Difference between ConcurrentHashMap and Hashtable

Both ConcurrentHashMap and Hashtable are Collection classes for storing key value pairs and they both provide fast element search with a supplied key. They have much in common. However, we will not discuss the similarities between them here, instead we will focus on the differences between them. ConcurrentHashMap and Hashtable are both thread safe. But the mechanism for thread safe is different between them. Hashtable is synchronized, it utilizes the synchronization mechanism; while ConcurrentHa...

   ConcurrentHashMap,Hashtable     2013-11-18 08:06:54

  There is no privacy in front of Facebook Home

Facebook CEO Mark Zuckerberg announced the release of Facebook Home application. It will be available for Android users on 12th April. But there is one thing to be noted. What's about our privacy? Facebook is questioned by public about its privacy issues. Facebook Home is deeply integrated with Android and has fully control of the entry of user. This makes people who care about privacy alert. The editor of Gigaom Malik expressed his own worries in one article. Here is what he wrote: The new Hom...

   Facebook Home,Privacy     2013-04-05 10:51:46

  Here is why Mark Zuckerberg wears the same thing every day

Have you noticed that Facebook CEO Mark Zuckerberg always wears the same thing every day when he appears in the public? A grey t-shirt which is now a symbol of Mark Zuckerberg. The reason why he wears the same thing every day is "I want to clear my life to make it that I have to make as few decisions as possible about anything except how to best serve this community" as what he said in an in-person public Q&A at the Facebook HQ in Menlo Park where he answered questions from people around th...

   Facebook,Mark Zuckerberg, grey T-shirt     2015-03-01 01:01:16

  Do you really understand Geolocation?

LBS(Location based service) services continue to emerge, it seems that every product has some relationship with maps. But to be honest, do you really understand what is Geolocation? Not necessarily. Although lots of products have LBS service, they can be categorized as sign, search, navigation and information display, these are functional features of the map as a software should have. However, Geolocation is not software, it is just a functional feature, a functional feature of all LBS applicat...

   geolocation,app,significance     2012-10-22 12:11:41

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