Observer Pattern Example

Zhang Yixuan Dingfiffi Baidu focus on search, Teng deep social networking, Ali focus on electricity, this is the industry for the three enterprise market pattern description. But as netizens migrate to mobile Internet, this pattern quietly changes in early August, Tencent Micro-letter 5.0 online became the hot topic of discussion on the Internet. New micro-letter joint Tenpay introduced payment function, docking bank card, scanning barcode, book cover and so on to achieve shopping; Also on the same day, based on Taobao and Sina Weibo user account interoperability and data exchange, "Weibo Taobao version" officially online. Alibaba announced shortly after the launch of "micro-blog Taobao version", issued a statement said ...

The further ferment of the PetroChina corruption Nest case will be an opportunity for the reform of PetroChina. According to sources close to the NDRC, the NDRC has repeatedly convened representatives of oil companies to discuss the possibility of recovering PetroChina's pipeline business in the last one months to further rationalize the price of gas pipelines. "This discussion is not the same as it used to be the national management of PetroChina's entire gas pipeline business." One possible solution would be to set up a separate national gas pipeline company to manage it. said the person. Financial profit Po, the current savings rate increased by 1000% ...

Http://www.aliyun.com/zixun/aggregation/13713.html ">hbase coprocessor is one of the great expectations that many people have for hbase-0.92. It enables off-line analysis and online applications to be well integrated, and also greatly expands the application richness of hbase and is no longer a simple K class application. The design of HBase coprocessor from hbase-2000 and HBase-...

Beijing has just passed a rainstorm. Qihoo 360 (Qihu. NYSE Chairman Zhou (Weibo) wears a black polo shirt and sits idly in his office talking about his Qihoo and the industry's ups and downs. 　　There are no tables, in addition to the two 1.8 meters high giant stereo, is a room of CDs and records, but the owner of the house has not had time to open this set of expensive audio, this year he was busy doing 360 special machine, have the time to challenge under Lei (Micro bo). There is only a transparent coffee table and a group of sofas, tea ...

Economic Observer reporter Juan Rofung This is a very ordinary day in September. Beijing Shunyi Airport Logistics Park, Shun Fung optimization of the warehouse area for a whole morning is a busy scene: The warehouse entrance of the receiving area before the white Gold Cup car into and out, the delivery of cargo boxes were opened in turn sampling. Three staff will enter the product one by one through the inspection of the computer system, registration information in detail to the production date, health and quarantine code, storage location, storage temperature requirements and so on. Thereafter, the goods entering the shipping area will be delivered at the first time after 13 o'clock in the afternoon every day.

Absrtact: Yang Ma bill, we collectively control 100% of the world's desktop systems. Back in 1997, jobs once joked with Bill Gates. At the time, Apple accounted for less than 3% of the world's PC desktop market share, and the remaining 97% belonged. Jobsian Ma "Bill, we collectively control 100% of the world's desktop systems." "In 1997, Mr. Jobs, who had returned, joked with Bill Gates. At that time, Apple accounted for less than 3% of the global PC (PC) desktop market share, ...

Tiger Sniff: Whether you like the company, this person, today, September 19, almost all of China's commercial and technological media are bound to make headlines for it. Alibaba, Ma Yun. 15 Grind a sword. Industrial perspective, it is one of China's largest internet companies, the world's largest electric platform, capital, which is the history of the Internet from betting to become the most time-consuming, the largest capital risk. The company, with its huge capital, is poised to take on an IPO that is likely to become the largest financing in the history of the world. Facing the commercial capitalist technology circle ...

The electricity merchant dies the water in the east, the capital is scouring the hero. 　　is the success or failure of the empty, electric business is still in, several times sunset red. Advertisement Express Jiang Zhu, accustomed to see the sale of goods. 　　In future, if the business encounters, the electrical business heritage, all pay a joke. 　　Periodically "bleed", this is the inevitable fate of entrepreneurs. "There are always companies that are going to fall, including the possibility of mergers and acquisitions," he said. I know the valuations of many companies, to tell the truth, to reduce the 20%-30% is not bad, some companies lost 50%. "In the interview with the" entrepreneur ", the former vice president of Jingdong Mall, the current hundred Li Group's corporate website ...

"Electric business in the winter," a surge of electricity traders in the East dead water, capital Amoy hero. 　　is the success or failure of the empty, electric business is still in, several times sunset red. Advertisement Express Jiang Zhu, accustomed to see the sale of goods. 　　In future, if the business encounters, the electrical business heritage, all pay a joke. 　　"Bleeding" electricity Shangwen/This newspaper reporter Lu Xucheng periodically "bleeds", this is the entrepreneur difficult to escape the destiny. 　　4 Years a reincarnation, since 2008, another round of "bleeding" began, 4 years ago is a video site, this time to the electricity business. "Some businesses are going to fall, including being and ...

I believe many people have been puzzled by C # delegates and events, especially in C # beginners, it will feel more difficult to learn this part, very likely to give up, and. 　　NET for delegates and events encapsulation is very good, generally not how to use custom delegates and events, so give up learning the technology has an excuse! There are a number of such articles on the web, most representative of Zhang Ziyang's C # delegates and events this article, the writing is very good, received a lot of readers praise, but I read the comments, or found some problems, because there are many readers are read over and over, each feeling is quite ...