How To Get Java Certification

It is well known that active participation in all types of training and certification is a significant feature of IT professionals. And in the 2012, is that technology going to be hot? There's no question about Hadoop. As open source data management software, Apache Hadoop is primarily used to analyze a large number of structured and unstructured data in a distributed environment. Hadoop has been used in many popular websites, including Yahoo,facebook,linkedin and ebay. The Hadoop bandwagon is gradually sweeping across all of America's vertical industries, including finance ...

Liferay is a complete portal solution based on the Java EE architecture, using the EJB, JMS and other technologies, the foreground interface using the Struts MVC Framework, template technology and some other open source mainstream technology, xml-based portlet configuration file can dynamically expand, using the Web Services to support the acquisition of some remote information, the use of Lucene to achieve full-text search capabilities. Main features: Using the most advanced technology Java, EJB, JMS ...

Kafka configures SASL authentication and permission fulfillment documentation. First, the release notes This example uses: zookeeper-3.4.10, kafka_2.11-0.11.0.0. zookeeper version no requirements, kafka must use version 0.8 or later. Second, zookeeper configuration SASLzookeeper cluster or single node configuration the same. Specific steps are as follows: 1, zoo.cfg file configuration add the following configuration: authProvider.1 = org.apa ...

Overview 2.1.1 Why a Workflow Dispatching System A complete data analysis system is usually composed of a large number of task units: shell scripts, java programs, mapreduce programs, hive scripts, etc. There is a time-dependent contextual dependency between task units In order to organize such a complex execution plan well, a workflow scheduling system is needed to schedule execution; for example, we might have a requirement that a business system produce 20G raw data a day and we process it every day, Processing steps are as follows: ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

Oracle recently announced the launch of the industry's first cloud operating system Oracle Solaris 11. Oracle Solaris 11 meets the security, performance, and scalability requirements of cloud-based environments, enabling customers to run the most demanding enterprise applications in a private cloud, hybrid cloud, or public cloud. Is the industry's first fully virtualized operating system, providing comprehensive and built-in virtualization capabilities for operating systems, networks, and storage resources. In addition to the built-in virtualization features, Oracle Solaris 11 is also available for x86 based ...

It is reported that the SAE is the core part of Sina Cloud computing strategy, in August 2009 launched in Sina Research and Development center of the internal developments, and officially launched the first alpha version on November 3, 2009. After the restructuring, the current SAE official website will continue to serve as an application development hosting service website for the majority of users. By then, the four official website will be based on the different needs of users, provide the corresponding professional and comprehensive services. Sina Vice President Peng Shaobin pointed out that after two years of accumulation and development, SAE has a lot of Sina's internal business to provide platform services, especially ...

It technology development, new technology emerging, with good learning ability, timely access to new knowledge, at any time to supplement and enrich themselves, has become the core competitiveness of programmer career development. 　　In this paper, the author sums up the three key points to improve the learning ability of programmers in combination with years of learning experience. As we all know, now is an era of knowledge explosion, knowledge update very quickly. It is estimated that a university graduate learned knowledge, 2 years after graduation, the effective but the remaining 5%. For the software industry, this situation is more obvious, we rely on ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall often see some cattle in QQ group posted some of his income, hundreds of or even thousands a day. See a lot of beginners in the howling: "Wow, so many ah, can you tell me what to do?" 　　I often see such people without words, ask you a real master will be all right to map it? There are more silent, I see a brother a day ...

This article summed up the first half of 2013 years on the line or relatively high domestic outstanding start-up companies, content from the Tianya Sea Pavilion on the weekly Web2.0share weekly selection of domestic start-ups: Voice360 is through the phone horn to send audio signals (with 10K of silent Signal), And then use the microphone to receive decoding to achieve close range of data exchange of the Trans-era technology, voice360 SDK, can quickly integrate acoustic communication functions, to achieve close range of data exchange, authentication, file sharing. Link: htt ...