How To Do 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 ...

The outlet of the specialty of e-commerce where a senior practitioner to the E-commerce Professional school, teachers, students of a letter this letter Hui Jian wrote almost one weeks, modified a lot of times, because Hui Jian saw a few students majoring in E-commerce to become a porter, is really not see the kind of helpless eyes. The parents worked hard to save money, read four years of university, came out but can only go to chores. 　　Why? 　　Here is the reflection of Hui Jian. One, the social demand many and the embarrassment of e-commerce graduates two, society ...

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According to the CBRC statistics, in 2011, China's rural commercial banks, rural credit cooperatives, villages and towns bank more than 2000, but for a long time, these small and medium-sized banks have been with the internet has maintained a cautious boundary relationship. 2012 China's network retail market transaction scale reached 1.3 trillion, the rapid development of e-commerce touched the traditional small and medium-sized banking business transformation of the nerves, but the traditional it architecture characteristics can not support the financial business after the internet, "phenomenon-class" technical support challenges, So the financial institution's IT technology structure transformation becomes its can embrace the Internet, the business transformation rises ...

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Wikid fervent http://www.aliyun.com/zixun/aggregation/11646.html ">authentication system is an extensible security dual-factor authentication system that is easy to implement and manage , the user can authenticate automatically without hardware tokens. It supports simple APIs, multiple domains, fault tolerant and scalable replication through Ruby, PHP, Java, COM, Python ...

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: ...