This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...
At present, the A-share market has not yet to print for the main business of the listed companies, but in the capital market, 3D printing new technology concept is constantly in the heat-related concept stocks, light rhyme Tatsu, Kim Yun Laser, Han's laser, Chinese laborers technology and other companies were fried. At the same time, many listed companies are in Happy enclosure layout 3D printing project. "Daily economic news" Reporter selected several representative enterprises in the domestic survey found that, due to the complexity and diversity of 3D printing, different enterprise layout of the field has a focus, and are now in the groping stage. Reporter Investigation Analysis Gold Yun laser, light rhyme up to two company sample ...
Companies should be the most powerful catalyst for future cloud computing. The emergence and development of more types of cloud operators with sustainable business models is a decisive factor in the development of China's cloud computing market. In China, IT companies have almost always won by localized services, with few Chinese companies with core technology and innovative awareness. The advent of cloud computing can be said to bring unprecedented potential opportunities for China's IT companies, for the following 5 points. The "no Software" concept of cloud computing: Make brand-packaged software no longer important, people no longer need to buy in batches ...
Suning in the 2012 is facing the same challenge. After more than 20 years of retail jindong, the real challenge is not how Su Ning can avoid hitting an iceberg, but has hit an iceberg, how to make the ship go forward, rather than wait for the sinking. How did the Titanic sink? In the Titanic design, if the ship's 16 waterproof cabin only 4 water, the ship can float, but unfortunately there are 5 of the outer wall of the hatch was torn by icebergs, abandon ship is an inevitable choice. Suning as China's best chain retailer, if online retailing is just for all social business ...
21st Century Net exclusive report from 1990 to 200 square meters of air-conditioning franchise stores to July 2004 Suning appliances listed, Jindong spent 14 years. 2004, China's a-share market ushered in its own dark horse. In the future, "Suning appliance" four words, will become a a-share market benchmark. Until now, there is still a growing stock of expectations, called "Next Suning appliance." May 15, 1996, Suning appliance predecessor Jiangsu Suning Appliance Co., Ltd. was established, July 21, 2004, Suning appliance listed, the issue price 16.3 ...
Intermediary transaction SEO diagnosis Taobao guest owners buy cloud host technology Hall 1.iOS application has reached 650,000 Android applications have been very close to the July 25 news, Apple announced in the third quarter of the financial year, the number of iOS applications has exceeded 650,000, higher than this April's 600,000. Apple's CFO, Peter Oppenheimer, also mentions 250,000 applications designed for the ipad. So far, Apple has divided developers into nearly 5.5 billion ...
"World of Warcraft", "StarCraft" and other games have made Blizzard a great success. How did these games develop? Can Blizzard's success continue in the age of social gaming? Wen |CBN reporter Sherinning at the Los Angeles Bay City of Blizzard Entertainment (Blizzard Entertainment) company headquarters, the second office building in a floor hall with a "Street Fighter" game consoles. It is an old-fashioned double rocker arcade that has a history of at least 10 years. This is one of the most popular games in the world ...
It seems that in recent months, as more and more VC investors come to the door through various channels, Zhang is aware that the local mobile 2B and enterprise Mobile Information investment in the field of heating up. Three years ago, Zhang Lei founded the Cloud Power technology company, mainly focused on enterprise Mobile information platform services, when, the domestic mobile internet is the investment peak, but the hot is the service in the field of personal application 2C projects, the mobile 2B investment in the field, but quite deserted. Three years later, the pattern is clearly different. Like Zhang Lei, Sheidang, founder of the Sea notes, also found that ...
Electric business and express companies penetrate each other competition (Tencent Science and technology with the map) China Post, Shun Fung, home urgent delivery, Shentong and other express companies have been playing in the field of E-commerce, and the company has not been a pleasure, Jingdong Mall Express business license has been approved. Logistics to do electricity, electricity business to do logistics, this should be the cooperation of the two sides but played a cross-border competition. Logistics enterprises to do electrical business: Follow the "illusion" to go? Following the shun Fung speed to create a "shun Fung optimization" high-end online supermarket, another courier Shentong investment of about 35 ...
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