Abstraction Programming Definition

In January 2014, Aliyun opened up its ODPS service to open beta. In April 2014, all contestants of the Alibaba big data contest will commission and test the algorithm on the ODPS platform. In the same month, ODPS will also open more advanced functions into the open beta. InfoQ Chinese Station recently conducted an interview with Xu Changliang, the technical leader of the ODPS platform, and exchanged such topics as the vision, technology implementation and implementation difficulties of ODPS. InfoQ: Let's talk about the current situation of ODPS. What can this product do? Xu Changliang: ODPS is officially in 2011 ...

Absrtact: Sometimes programmers come to me and say they don't like the design of something, and we need to give it a comprehensive refactoring to correct the bugs inside. Oh. That doesn't sound a good idea. And that doesn't sound like refactoring refactoring. Sometimes, programmers come to me and say they dislike the design of something, "We need to give it a complete refactoring" to correct the mistakes. Oh. That doesn't sound a good idea. And it doesn't sound too refactoring ... The word refactoring (Refactoring) was originally created by Martin F. F ...

Microsoft's famous C + + master Herb Sutter wrote a heavyweight article in early 2005: "The free lunch is over:a fundamental Turn toward concurrency in Software",      Another major change in software development after OO is predicted-parallel computing. ...

Microsoft's famous C + + master Herb Sutter wrote a heavyweight article in early 2005: "The free lunch is over:a fundamental Turn toward concurrency in Software", Another major change in software development after OO is predicted-parallel computing. The era of software development under Moore's Law has a very interesting phenomenon: "Andy giveth, and Bill ...

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 ...

Hadoop Here's my notes about introduction and some hints for Hadoop based open source projects. Hopenhagen it ' s useful to you. Management Tool ambari:a web-based Tool for provisioning, managing, and Mon ...

Click 2.0 This version adds and updates a large number of routing elements. Rescheduler has been refactored and accelerated. Improve performance on timers. Timers may now also be able to localize a thread. The round robin dispatch error has been fixed. The underlying configuration has been cleaned up. Multithreading has been added. Click is a high-performance Java EE Web application framework applicable to business developers, is http://www.aliyun.com/zixun/aggregation/14417.html ...

Recently, "2014 China Management • Global Forum" in the National Conference Center held grandly, Kingdee Group founder and CEO Mr. Shaochun to attend more than 1500 industry elite published the theme of "Connect Cloud" speech. Shaochun also said at the conference: "Kingdee through the product and cloud services, such as connection 100, procurement 100, so that enterprises can connect with the Internet fast access, break through the traditional enterprise intranet and private cloud in the calculation, storage and other resources limitations, from the most appropriate channels to obtain funds or financial management, in different electronic business platform easy to do business, Help companies find ...

"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...

Introduction with high-speed network development, growing network demand through large-scale data center processing, thousands of servers and network system storage, many internet companies such as Google, Amazon, Yahoo and other operators around the world such a large data processing center, this network service is called Cloud computing services. From the cloud computing service model, security is facing the problem of data privacy security, the data outsourcing to the cloud service providers how to ensure data privacy and security, the second is the credibility of services, how to determine the cloud service provider feedback Services is credible, the loss of data physical control and data location is not accurate ...