In the last period of time, we have put some copies of ebooks with the copyright reserved because of our website editors' negligence. We feel very sorry for our carelessness. Now we have removed all of their download links from the Download Center Channel, but we still reserve the ebooks introduction in the E-book Center Channel.
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Online Investigation Channel is online!
周三, 2009年 10月 28日 02:56
Our online investigation channel is online from now on!
Welcome to take part in the investigation . We will respond your investigation as soon as possible.
You can go to this page in the navigation bar from the "Contact Us" to "Online Investigation", or click here.
You are allow to choose to send your name and e-mail or anonymous.
Thanks to your support to our website!
TIOBE Programming Community Index for October 2009
周二, 2009年 10月 13日 07:15
Keywords: TIOBE , programming languages , iPhone , Objective-C
T
he TIOBE Programming Community index gives an indication of the popularity of programming languages. The index is updated once a month. The ratings are based on the number of skilled engineers world-wide, courses and third party vendors. The popular search engines Google, MSN, Yahoo!, Wikipedia and YouTube are used to calculate the ratings. Observe that the TIOBE index is not about the best programming language or the language in which most lines of code have been written.
The index can be used to check whether your programming skills are still up to date or to make a strategic decision about what programming language should be adopted when starting to build a new software system.
This chart shows the position of the top 20 language
As the iPhone programming language, Objective-C is on its way to the top 10! This language which is similar with C/C++ was on the end of the top 50 list in the October 2008, but now it will run into the top 10 group because of the popular of iPhone application.
This chart shows the positions of the top 10 programming languages from 4, 10 and 25 years ago
Keywords: Google, Baidu, Search Engineer, China Mobile, 3G, iPhone 3Gs
A
s China ushers in a new generation of snazzy smartphones and 3G networks, Google and Baidu are shifting their battle from the Internet to China's mobile search market, likely to become the world's largest, with the promise of billions of dollars in revenue.
According to government data, at the end of June this year China had 155 million mobile Internet users, and more than 40 million of them used mobile search.
"For the mobile search market, the number is still small but the growth potential is extremely high,"Badidu Chief Technology Officer Li Yinan told us in a recent interview."It is an important area."
China's mobile advertising industry was worth 754 million yuan(about $111 million) last year and is set to nearly double by 2010. Mobile search volume rose 120 percent in the second quarter alone to 272 million clicks, according to Analysys International.
China's mobile advertising industry just like this graphic:
So both Google and Baidu have been aggressively courting mobile users this year.Google, which pushed out new mobile services in China recently, launched an advertising campaign in Shanghai,Beijing and Guangzhou marketing its mobile services.
At the same time, Baidu, which holds 61 percent of the desktop search market, said in early September it planned to hire two software engineers to focus specifically on the mobile platform.
Both Baidu and Google already have mobile products and provide free services such as maps, games and news over cellphones. Analysts say Baidu still has the edge in China's mobile market given its brand, depth of local information and its dominant position in the desktop search market.
The rollout of 3G will lead to faster downloads and offer users more sophisticated functions such as global positioning search, mobile reading and music search.
"The market is still young, so it is hard to say, but with 3G a lot more people will use mobile search because the data speed allows them to get on the Internet," said Dick Wei, an analyst with JPMorgan.
If the market really takes off, Baidu and Google could also face the potential for competition from other companies such as Tencent Holdings, operator of China's largest instant messaging platform, which has been experimenting with its own search algorithms, said industry sources.
Tencent has a large "sticky" base of mobile messaging users that the firm could tap when mobile carriers roll out their application stores.
Mobile search providers could also find themselves facing competition from suppliers of other paidfor mobile services.
"It's going to take some time for them to figure out what is the right business model to generate revenue on the mobile platform. The easiest one though is instant messaging," said Elinor Leung, a CLSA analyst.