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  The first 30 tweets on Twitter

Six years ago, we didn't know what a tweet was. But now, there are 340 million tweets posted every day. Looking back, do you know what are the earliest tweets on Twitter when it was released? Let's check them out. Before that, let's check Twitter's background first. Six years ago, Twitter was called twttr (similar to Flickr), the earliest version was similar to an SMS broadcast service, i.e sending short message to friends to tell them what I am doing. It was put online on 22nd October, 2006, J...

   Twitter,history,story     2012-10-11 20:03:22

  Handle ”cannot modify header information – headers already sent by”

Man PHP developers should encounter ”Warning: Cannot modify header information – headers already sent by ….” error before when executing a PHP script. Here are some solutions to this error. 1. Blank line Check whether there is any blank line after , especially in the files which are used in include() and require(0, some problems are caused by blank lines. 2. Add exit() after head() header (“Location: xxx”); exit(); 3. Use output cache <?php ob_start(); ...

   header sent, PHP error handle     2012-11-17 08:45:22

  Google releases new app to improve the accuracy of indoor positioning

Google Maps, Bing Maps, and some map providers have offered indoor map service such as in  the airport, major shopping malls and stadiums for some time. The problem is that these indoor maps can not precisely tell you which floor you are on a map, the GPS obviously can not work very well in this environment, WiFi and GPRS positioning is not very precise. Google announced the improvement program of Google Maps for accurate indoor positioning. The current owners of these places will cooperat...

   Google Map,Indoor service,Positioning     2012-04-08 09:46:53

  Will camera be Android's next target after smartphone and tablet?

In Samsung's Mobile Unpack conference, Samsung announced one Android smart camera which supports 3G, 4G and Wi-Fi. This smart camera called Galxy Camera is equipped with the latest Android 4.1 system, 21 times zoom, 23mm ultra-wide-angle lens and 16 megapixel back-illuminated CMOS sensor, along with the OIS image stabilization technology. You can install various Android applications on this smart camera and edit photos and then share, it also comes with voice control function and cloud storage ...

   ILDC,Smart camera,Samsung,Android     2012-08-30 19:52:02

  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

  Intel disclosed more configuration details of Win8 Tablet PC

Intel disclosed more hardware configuration information for future Windows 8 Tablet PC in a conference in Beijing on Thursday  Tablet PC equipped with Microsoft new operating system is expected to be released in the second half of this year.Intel shows a Win8 Tablet PC model with Clover Trail platform Atom Z2760 processor, the dual-core processor support "burst mode" (burst mode, when needed to quickly improve performance) and Hyper-Threading Hyper-Threading can make dual-core chips in some...

   Intel,Win8 Hardware comfiguration     2012-04-14 00:20:47

  Programmer professionalism

Programmer is a lifetime occupation. But first, as a programmer you need to love programming, rather than just an occupation to achieve other goals in life.Now if you plan to spend decades of life on programming, then you should continue to think about what is more efficient. In other words, how are you different from who you were a decade ago and how will you be better than who you are now a decade later?In my opinion, a programmer, regardless of his work, should improve himself in three aspect...

   Programmer, Idea     2012-12-10 12:05:24

  IDC report shows developers are losing ineterst in Android development

IDC's latest report shows that: the development interest in Android Phones and Android iPad  has been dropping steadily. 1869 developers participated in this survey.In this quarter, the development interest in Android phone applications fell by 4.7%, down to 78.6%; the development interest in Android iPad applications fell by 2.2%, down to 65.9%. Although the survey result may not be so accurate, it still shows a trend : Although sales of Android devices is growing, it is still unable to re...

   Android,Developemnt interest,IDC,HTML5     2012-04-09 06:26:18

  The Internet : from 1969-1974

Internet was born 43 years ago. There are some big events in the history of Internet development. In my opinion, most of the big events happened at the first five years, i.e, from 1969-1974.  1969 : ARPANETThe Advanced Research Projects Agency Network (ARPANET), was the world's first operational packet switching network and the core network of a set that came to compose the global Internet. The first ARPANET transmission was between Stanford Research Institute and UCLA on 29th, October 1969...

   Internet,History     2012-06-22 09:55:51

  A boolean value interview question

Someone asked a question on StackOverflow, he was asked an interview question. The question is : Given 3 boolean variables a, b, c, return true if at least 2 out of the 3 are true. He gave the solution as follows :boolean atLeastTwo(boolean a, boolean b, boolean c) {    if ((a && b) || (b && c) || (a && c)) {        return true;    } else {        ret...

   bool,return,expression,conditional     2012-04-30 08:49:32

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