Framework 4.7

1. Definitions of some conceptual patterns: Each pattern describes a problem that continues to occur in our environment, and then describes the core of the solution to the problem. In this way, you can use the existing solutions countless times without having to repeat the same work. What is a design pattern? A design pattern is a typical, generic solution to a problem in a particular situation. We need to properly understand and learn some design patterns, in the process of development, will always involve some framework design, module design and other things, if you can understand and transport ...

The distributed computing technology proposed by Google makes it easy for developers to develop global application services, and cloud computing technology automates the management of communication, task allocation, and distributed storage among a large number of standardized (heterogeneous) computers. 　　The cloud comes from a decentralized, parallel operation, but better than the grid. Data computing cloud technology can be considered as a sub-set of grid technology, both of which are designed to hide the complexity of the system, so that users need to use it without knowing how the system works inside. The parties follow up with Google to promote cloud services, but the definition is different ...

1, the first half of the national network of personal shop nearly 30% China E-commerce Research Center recently released the "2013 (on) China's online retail market data Monitoring Report" mentioned that the first half of the number of personal shop for about 12.46 million, the year-on-year reduction of 27.8%. As of the first half of this year, the number of personal shops in China reached 12.46 million, compared with 17.25 million in the first half of last year 27.8%. Among them, Taobao still exclusive Consumer-to-consumer market 95.1% of the share, another 4.7% from Pat Net, 0.2% from the ebay network. 2, the U.S. electric business back to the 07 peak ...

Flume-based Log collection system (i) architecture and Design Issues Guide: 1. Flume-ng and scribe contrast, flume-ng advantage in where? 2. What questions should be considered in architecture design? 3.Agent crash how to solve? Does 4.Collector crash affect? What are the 5.flume-ng reliability (reliability) measures? The log collection system in the United States is responsible for the collection of all business logs from the United States Regiment and to the Hadoop platform respectively ...

Cisco's latest research report says 2015 Global cloud computing traffic will be 12 times times higher than it is today, with a composite annual growth rate of 66%. Currently, cloud traffic accounts for 11% of data center traffic and will grow to over 33% by 2015. In the face of the roaring Cloud, Cisco has hardened its position in cloud computing, a network-and computing-centric IaaS cloud, a PAAs cloud with video applications at its core, and a collaborative effort at the core of the SaaS Cloud, which makes up the overall solution for Cisco's cloud computing. To achieve this goal, Cisco launched a new cloud at the end of last year ...

iOS 8.3 download free Application No need to lose password in Apple's latest iOS 8.3 beta, it allows users to download free apps and products in itunes and App store without entering account passwords, only when users disable the Touch ID fingerprint recognition feature. Perhaps when users disable the fingerprint identification system, Apple will judge the user's security requirements for the system is not high, so can simplify the download process. It's sweet and lazy, and it's the gospel for people who always forget their passwords. Sogou launched a "little browser" claiming ...

Every reporter Wan Xia from Tianjin today, by HNA Group investment 1.081 billion yuan, accounting for 83.15% of the registered capital of Tianjin Airlines will be formally established, "Daily economic news" on HNA Group's future strategic development and other issues interviewed Hna Group chairman Chen Feng. From the cooperation between enterprises and enterprises to obtain a big development "recently a period of time, HNA is a good lot ah." "Speaking of the recent series of moves by Hna, Chen Feng appears quite complacent. HNA Group and Tianjin cooperation for a long history, in April 2006, the two sides signed a strategic cooperation framework agreement, will be in the air transport, freight goods ...

With the advent of the iphone-represented smartphone era, the mobile phone has become one of the things that people must have in their daily lives. Now, it is not only used to pick up the phone, send and receive text messages of the simple communication tools: boring? and online friends to chat, see beautiful food, take a photo show, RSS also replaces the TV news, and more know what you like content; MP3 has been replaced by the player in the mobile phone, car, etc, mobile games can help you pass the time, last night did not read the TV series, today mobile phone to see ...

SAP's Product and Innovation Executive board member Vishal Sikka left SAP for "personal reasons" and left his masterpiece http://www.aliyun.com/zixun/aggregation/13659.html ">hana." 　　Hana is a data Memory architecture (AS), and SAP is now launching Hana with ERP and cloud services. Meanwhile, SAP's cloud President sh ...

Chinese Entrepreneur Club Note: This is MA November 8, 2013 in the Chinese Entrepreneur Club, the director of the Exchange visits Tcl station, "Road Farmers Salon" speech. 　Ma said that the mobile internet age of the operating rules and the PC Internet era is completely different, Tencent without micro-letter, may be a disaster. Ma bluntly, Tencent from Nokia, BlackBerry these once hundreds of billions of dollars of the company's decline to realize that the giant enterprises to always have a sense of crisis, Tencent has set up to defeat the existing product team, micro-letter that is Tencent's internal team competition results. Tencent will let the company ...