Subject Observer Pattern

In Beijing and the east, such as electrical appliances such as "6 18" fierce fighting is at the same time, clothing special sale of the site between the dark War is also more close, Dangdang said that the end of yesterday's tail goods to promote the extension to today, the new brand more than a quarter of 200%. Not subject to the impact of the competition, only two months on the line when the end of the exchange to borrow the price of the electricity trader to change the pattern of flash purchase industry. It is understood that when the tail of goods in early May on the line, has been with more than 300 clothing brands to achieve cooperation, of which 60 for the exclusive authorization. In order to quickly superior, tail goods to enter the high profile 6&

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 ...

Strong "micro-trust", social entrepreneurship in the end there is no chance? If the answer is no, many entrepreneurs will not be reconciled. From happy net to Micro Bo, from micro-bo to micro-letter, when the hot social products, the ups and downs, how many lonely there is a big chance. If the answer is yes, then the question is, where is the opportunity? Is it a vertical social field? Is it the use of new media? Or a new form? In search of this answer, NetEase tech editors have spent two months investigating the early startups and startups in the mobile social arena, interviewing more than 20 CEOs and investing ...

1.1 In the past it was thought that science is a knowledge derived from empirical facts, and that the facts based on observation and experimentation are empirical facts. empiricism; logical positivism//1.2 However, observation and experimentation require a format picture of knowledge, and the observation of the facts (most of the cases) is not provided by the senses to the observer. It is not possible to determine facts and derive knowledge from them first. To observe the infiltration theory//1.3 This contradiction is present, but it cannot be denied that scientific knowledge should not be proved by the facts of observation. The typical chicken or the first egg problem, the first observation and ...

In the era of large data, the past is quite complex information collection and summary work becomes quite relaxed, advanced management software can be the day's passenger flow, turnover, boutique sales, after-sale maintenance volume, after-sale maintenance amount and other data directly presented, and through the data digestion and analysis, 　　Let investors quickly understand the profitability of its stores and target rate, so that in the stock, play golf and take time to think about the development of its stores. If you are not in the hands of the report, the auto market in the past only fragments of concern for ordinary consumers, to understand the automobile market in the short term is not a difficulty ...

Economic Observer Zhu Xiaohuang / article crowdfunding fast-reeling, causing people to worry about the accumulation of Internet financial risks. Crowdfunding operations are currently conditional on risk. Under market conditions, the risk itself is beyond reproach. However, the real risk is the channel of legal remedies after the risk is assumed to claim the interest and recover the losses. Without such a legal environment and more and more free financing, the greater the accumulation of cyber risks will eventually lead to the damage to public interests and the destruction of market order. Therefore, the crowdfunding mode based on the assumption of risk is like a heap of gravel, and collapse is very likely. ...

Once rage plasma TV, now in the mainstream home appliances market has been difficult to find traces. At the end of last year, the "father of the plasma" said Panasonic announced that it would completely end its plasma business in March 2014. Plasma TV market is declining, the global market share has less than 6%, at present only Samsung, LG and Changhong still adhere to, Changhong is the only company with plasma panel production lines. With the plasma camp shrinking, the future of plasma technology becomes bewildering. "Daily economic news" reporter found that "stick" Sichuan Changhong invested huge sums to build the plasma panel project ...

Abstract: Once rage plasma TV, now in the mainstream home appliances market has been difficult to find traces. At the end of last year, the father of the plasma said Panasonic announced that it would complete its plasma business in March 2014. Plasma TV market is declining, the global market share once rage plasma TV, now in the mainstream home appliances market has been difficult to find traces. At the end of last year, the "father of the plasma" said Panasonic announced that it would completely end its plasma business in March 2014. Plasma TV market is declining, the global market share has less than 6%, at present only Samsung, LG and Changhong still adhere to ...

E-commerce in China started the day began to encroach on the traditional retail market share. Now, with the cat and Taobao transactions across the trillion-dollar mark. 　　The rapid development of electric business is like an army siege, what kind of impact does traditional retailing face? "I think that the impact of the traditional retail business is still to be considered from the industry, scoring industry." The beginning of the book, is now 3C digital, small appliances, clothing and cosmetics have impact, but not very large, but small brands of clothing and cosmetics by the impact of big. 　　"Ruzenwang Observer," The investor newspaper reporter said. To the book, 3C impact ...

April 7, 2005, Xiamen, the first Chinese webmaster meeting, after the tour of the size of the Golden Gate cruise ship, a stationmaster proudly said: "If this boat sank, China's Internet industry will be paralyzed "This is not entirely an exaggeration, the webmasters made by more than 100 webmasters are almost all within Alexa's global rankings of 2000, while the total traffic from all Chinese webmasters combined by the most conservative estimates The entire Internet traffic in China 1/3. Webmasters - China's Internet industry, the most grass-roots group of people, was as if it is an inviting ...