open source workflow engine java

Open-source: fully self-developed Search Engine 1.0Source codeAnd Description: Full-text index on the 4 million web page of a single machine. The retrieval of any 50 words cannot exceed 20 milliseconds Search Engine Source 1.0Code, Related ins

Actually write a new language in Java What, nothing difficult, difficult is the fear of your mind, after all, now some open-source framework such as ANTLR support, do lexical analysis, syntax tree construction is very easy one thing, as long as the planning and definition of grammar rules, the subsequent implementation is not much more complex. Good

 The instance is transferred from: http://blog.csdn.net/quzishen/article/details/6163012 Easy to understand application Example 1: Now we are simulating an application scenario: a site that is associated with a business-generated point issuance operation. such as Alipay credit card repayment bonus points. Issuance points may be accompanied by different operating strategies and seasonal adjustments, the number and rules of issuance are completely different, if the use of hard-coded to accompan

graphical rendering interface provided by JPCT is fully compliant with all Java 1.1 specifications (even the already disappearing Microsoft VMs and even the older Netscape 4 VMs).Minimum operating environment required for Android 1.5.Project Address: http://www.jpct.net/jpct-ae/7, Alien3dAlien3d is a very small size Android 3D game engine, based on OpenGL ES Technology development. To compress the volume,

Incremental index update into the new standard of text retrieval, spanner and F1 showed us the possibility of cross-datacenter database. In Google's second wave of technology, based on hive and Dremel, emerging big data companies Cloudera open source Big Data query Analysis engine Impala,hortonworks Open

According to the O ' Reilly 2016 Data Science Payroll survey, SQL is the most widely used language in the field of data science. Most projects require some SQL operations, and even some require only SQL. This article will take you to learn about these mainstream open source SQL engines! Background introductionThis article covers 6 open

performance realtime 3D engine written and usable in C ++ and also available. net ages. it is completely cross-platform, using d3d, OpenGL and its own software Renderer, and has all of the state-of-the-artFeatures which can be found in commercial 3D engines.We 've got a huge active community, and there are lots of projects in development that use the engine. you can find enhancements for irrlicht all over

optimized and expanded by Chinese companies and are welcomed by Chinese and overseas developers. Next we will compare the Cocos2d-x and OGEngine in detail. Cocos2d-x comes from the Cocos2d-iphone that supports iOS game development, while OGEngine comes from Android game Open Source engine AndEngine. cocos2d-x Based on Cocos2d-iphone, expand Cocos2d cross-platfor

syntax, and some users of velocity can easily switch4. The test case is perfect, after the tiny template engine is completed, testing with its test cases has found several bugs, which is very effective5. Easy to build environment, directly download the source code, you can install the success, you can run test casesOK, pick also picked, choose also selected, began to write Tinytemplate, let's go.Three days

business needs ." Iona's celtix advanced service engine supports various standards in typical SOA environments, java and Web Service Standards include soap 1.1 and 1.2, JAX-WS, WS-rm, WS-Addressing, and WS-Security. In addition, the celtix advanced service engine allows customers to use HTTP, JMS, or jabber protocols to send soap or XML messages. scalable APIs a

1, Angle (2D Java) Angle is an agile and fast-developing 2D game engine designed for the Android platform, based on opengles technology development. The engine is written all in Java code and can be replaced with its own needs, the flaw is the lack of documentation, and the downloaded code contains only a small number

Java _ open-source framework _ JPinyin open-source Java library for converting Chinese characters to PinYin1. Introduction JPinyin is an open-so