Apple's itunes App Store currently has more than 300,000 software, with a total of 20 categories, with 20 subcategories under the game category. Users can see only a limited amount of software each time they view a list of each category, so the media will often give their iOS apps rankings. According to foreign media reports, the famous Science and technology blog TechCrunch today 2010 years to 40 of the best iphone software. Software is divided into common, entertainment, game three categories.
Internet upstarts, including Twitter, Groupon and Hulu.
Quickly create a Rails 3 application
To step through the functionality features of Rails 3, here is an incremental model for developing a simple blog model. After RAILS3 is installed, run the command: Rails new Demoblog.
Demoblog the types of files required by the application are automatically generated. Enter the generated folder Demoblog to run the command to automatically install the gem r
I. The overall structure of the recommendation system
1.1 Select User Preferences
Two. Open Source recommendation system
2.1 Collaborative filtering and its algorithm
(1) Data preprocessing and UI matrix: grouped as "view" and "buy", data preprocessing, noise reduction and normalization
(2) Recommended model: User CF and item CF: based on collaborative filtering of objects (Amason,netfix,hulu,youtube etc.) here, we use KNN nearest neighbor algorithm
rtmp mode is the server real-time playback. RTSP: The IPv4 of the RTSP 1.0 standard did not fully anticipate the rapid growth of Internet bandwidth, and the widespread use of NAT technology due to shortage of address, and the presence of proxy servers, which have some drawbacks in transmission reliability and usability. Although the manufacturers have done a certain degree of patching, such as supporting RTSP over HTTP, support NAT penetration, etc., but still does not help. After 2005 years
of this major industry, but it is important to have a wide range of knowledge. You only know how to do the website procedures, registered domain name to buy space, the content of the site is not updated completely concept, is not up to a qualified webmaster requirements.
The surgery industry has specialized
Whether it is website optimization or network marketing, very few people can be a short period of time to become the industry in every field of experts, from a realistic point of view this
Similar APIs in SAP Mobile platform
Flurry is a company that provides data statistics and analysis specifically for mobile applications. Their data statistics Analysis SDK supports platforms including iphone, IPad, Android, Windows Phone, Java me and BlackBerry. Companies using flurry services include more than 110,000 companies, including ebay, Yahoo, Hulu and Skype, and more than 360,000 applications are involved.
Using the analysis platform p
, which can be converted in a screen direction in just 1-2 seconds. The Duo 13 's boot speed is also satisfactory, and it takes only 6-7 seconds to enter Windows 8.
Endurance, the last generation of Vaio duo 11 4 hours 47 minutes of widespread criticism, and on the latest VAIO duo 13, Sony made a maximum of 10 hours of endurance commitment. This endurance is mainly accomplished by adding a battery with a large capacity expansion. Sony says the VAIO duo 13 has a battery capacity equivalent
Beijing time August 11 morning news, according to the U.S. Science and Technology blog website Theverge reported that Google (Weibo) next week will make a major adjustment to its search services, those suspected of copyright infringement sites in Google search results in the rankings will be "degraded."
It is reported that if the copyright holder of a number of sites filed by the mass infringement of the notice, Google will reduce these sites in its search results in the rankings. Google said t
news feed that Facebook shows you (which is why Facebook's news feeds are not algorithms, just the results of using algorithms), Google + and Facebook's friend referrals, LinkedIn works and contacts testimonials, Netflix and Hulu movies, YouTube videos, and more. Although each has different goals and parameters, the mathematical philosophy behind them is the same.Finally, I want to make it clear that although Google is the first company to use such a
like TV stations. However, MPEG LA has yet to charge a patent fee for network video distributors. MPEG LA updates its patent licensing regulations every five years. At present, MPEG LA promises not to charge royalties for the distribution of network video encoded in H. T by the end of 2015. It is unclear whether fees will be charged after 2015 years. Many people think that the ambiguous attitude of MPEG LA will be the hidden danger of future network video, and the use of open source, free WebM
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