WaveMaker provides an automated development process for Java WEB applications by importing a database model and then automatically generating HQL query definitions for Hibernate mappings and CRUD operations based on the model. For each table in the database, create a separate Dojo class to implement the list and add modified forms. WaveMaker generates standard Eclipse Java projects and War files that can be run on any Java server. is the web and the cloud ...
WaveMaker is a Java application development tool for Web and cloud applications. It works by importing a database model that automatically generates a HQL query definition for Hibernate mappings and CRUD operations based on the model. Its visualization, drag, and drag-and-drop tools improve the Java learning process by 92%, making it easy for http://www.aliyun.com/zixun/aggregation/7155.html "> Developers to build Enterprise W ...
Jwhoisserver is a WHOIS server that is written in Java and follows the RFC 3912 standard. The main features are small, fast, and highly configurable, using an RDBMS as a storage engine. It supports inet lookup (IPV4 and http://www.aliyun.com/zixun/aggregation/9485.html ">ipv6") and IDN Domain name processing. Jwhoisserver 0.4.0.3 This version of the correct error ...
The easiest way to install the JDK under Ubuntu is to use the APT install command, but the JDK installed is often not the latest version, and to install the latest JDK you need to go to Sun's http://www.aliyun.com/zixun/ aggregation/11307.html "> Download the official website. But the Sun's website has only rpm and bin two formats, and there is no Deb format used by Ubuntu, which requires us to use the Ubuntu conversion ...
Note: Because the Hadoop remote invocation is RPC, the Linux system must turn off the Firewall service iptables stop 1.vi/etc/inittabid:5:initdefault: Change to Id:3:initdefault : That is, the character-type boot 2.ip configuration:/etc/sysconfig/network-scripts/3.vi/etc/hosts,add hos ...
Today, after testing a remote AIX host in Java, it suddenly occurred to me that Hadoop was installed on Linux, but did not attempt it on AIX, and wondered if the installation of Hadoop under Aix would be different, so the process was recorded as follows: 1. Install the decompression software on AIX, install Java and so on, here do not say. 2. Download the Hadoop0.21.0 version, and extract to a specific directory, where the decompression to/home/cqq/hadoop-0 ...
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 ...
Preface Having been in contact with Hadoop for two years, I encountered a lot of problems during that time, including both classic NameNode and JobTracker memory overflow problems, as well as HDFS small file storage issues, both task scheduling and MapReduce performance issues. Some problems are Hadoop's own shortcomings (short board), while others are not used properly. In the process of solving the problem, sometimes need to turn the source code, and sometimes to colleagues, friends, encounter ...
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.