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This is caused by an online problem:Background:The groovy engine embedded in the app dynamically executes the incoming expression and returns the result of the executionOnline questions: The discovery of the FULLGC of the machine began to skyrocket at some point and continued; Log on to the machine, with jstat-gcutil command observation, found that the perm area has been 100%,FULLGC can not be recycled; Dump the memory of this machine
In the process of using Java, it is a little more difficult than the C # syntax, such as exceptions and get set. After all, Java has developed a lot longer than C, many problems were not taken into account at the beginning of the design. In order to forward compatibility, we had to keep a certain historical burden (such as generic processing, Java's erasure implementation is the subsequent compatibility considerations ). However, it is very convenient to use
Google's Google App Engine cloud computing platform now supports languages other than Python: Java and groovy! Now, you can use groovy to efficiently write your Google app Engine apps. A few weeks ago, the SpringSource groovy team worked closely with the Google App Engine Java team to deal with a number of detail issues, To ensure that this award-winning, popul
I. What is Groovy? Simply put, Groovy is the next-generation java language. Like java, it also runs in JVM. As another language running in JVM, groovy syntax is similar to Java syntax. At the same time, Groovy has abandoned the cumbersome java syntax. With the same statement, groov
In this article, you will be involved in: Use Clibuilder to support command-line options, and the parameters needed to execute the script are passed through command-line options. Use Groovyclassloader to load Groovy class. Use Antbuilder to build the Jar package. Before you start About this article Maybe you've written some interesting or useful groovy scripts and want to share them with your friends,
Reference: http://saslist.com/blog/category/json/Download JDK and Groovy1. Install JDK default installation2 Decompression Groovy: to C:\Program Files (x86) \With reference to the http://saslist.com/blog/category/json/about groovy, configure groovy and set system variables:**********(1) JDK configuration:Set the environment variable%java_home%\bin value to the di
Before Spring4, bean configuration can be mainly divided into two ways, one is the use of XML-based, the personal very annoying this way, because obviously a very simple thing, put in XML will be a lot more complex information. Another way, starting with spring3.0, Spring provides a Java-based configuration that looks a little bit better than the way XML is configured. And in the spring4.0 of release a few days ago, we could use groovy as a spring con
Update at 2005.7.28 upgrade update Java direct call method and JSR-2 Previous: lightweight code generation solution Selection 0. Groovy template Overview Groovy template is actually a simplified groovy version of JSP, and there is a built-in XML simplified syntax such as XPath, and does not rely on JSP containers, can be directly called by Java or
Logons are implemented based on AngularJS + HTML + Groovy, and angularjsgroovy AngularJS is a browser-based front-end MVC Framework for developing browser-based responsive RWD applications. It is an open-source project initially developed by Google, and its Clean architecture attracts a large number of fans, it is suitable for building CRUD-type business applications and is not suitable for developing games and other applications. It uses Declarative
Among the powerful features of groovy, closure and metaclass have been tried. Closure basically means that when the method or callback interface is used, advanced usage is useless, and there is no special benefit, when the callback interface is a provincial-defined interface, it is concise. metaclass specifically makes some metaclass for a module, which is similar to Gorm and adds save, update, delete and other methods. The difference is that Gorm is
1.1 Installing GroovyGroovy Home: http://www.groovy-lang.orgEnsure that the local system has Java installed 1.1.1 Installing groovy on a Windows system1. Create the environment variable groovy_home, whose value is Groovy's directory (for example: C:\programs\groovy\groovy-2.1.0).2. Add the%groovy_home%\bin to the path.3. Verify that the value of the environment
I. Preparations• Download-go to http://yy.codehaus.org/download. currently, the latest version is groovy plugin, Which is decompressed to a directory, for example, C: \ java \ groovy-1.8.6-add an environment variable GROOVY_HOME in the system environment variable, the value is the decompressed directory C: \ java \ groovy-1.8.6GROOVY-Modify the environment variab
I am a fanboy of eclipse and have been using eclipse for system development. However, recently I started to read groovy/grails and began to use netbeans. Recently, groovy's Eclipse plug-in has also been updated. First, groovy is supported by the latest groovy 1.5.6, and eclipse 3.4 is also supported. You can download the
See how Groovy can increase the flexibility of Spring based applications Introduction: The Spring Framework provides a solid foundation for WEB and enterprise applications. By supporting dynamic languages such as Groovy, Spring adds features that make the application architecture more flexible and dynamic. In the first installment of the 2-part series, you'll learn the basics of integrating
The universality and practicality of Ant as a Java project Builder is beyond the scope. Even Maven, a new tool in the building area, owes much of its power to the lessons learned from Ant. However, these two workers share a common shortcoming: extensibility. Even though the portability of XML plays a major role in promoting Ant and Maven toward development, XML, as a role in building configuration formats, still limits the expressiveness of the build process more or less. For example, although
First thanks to the Wu Yi of Groovy in action Part 1, and thanks to the author, translator, and uploader of the groovy Starter Classic, as well as to the audience who uploaded the PDF, and finally thanks to Groovy's father James Strachan This article is based on groovy 1.8. ======== Split Line started in 2014-12-1 ======== 1,
Direct hit scene I remember the first contact with the computer, I was affected by two very large misconceptions, the concept was originally from the teacher's teaching or the teachings of the seniors have not been remembered, but until I worked a few years later, only slowly have a practical experience: Learning and using what programming language is not important, is the algorithm and design; The essence of programmer learning is the object-oriented design pattern, after m
This is my colleague, in the case of extremely poor documentation, to pay tribute to what stones out. 1.Groovy Current development status groovy has been released as scheduled the last one is a version of the classic parser-beta10, the future version will be based on the JSR standard parser, is expected to send three JSR version, one per month, in the year may have a formal version out. The plug-ins for E
Groovy 1.6 introduces call site optimization. Call site optimization is actually the cache of method selection. Method selection In a static language (such as Java), the binding of a method call is done at compile time (not exactly, such as a virtual function, but in general, the method invocation of a static language is very efficient). In a dynamic language such as groovy, the method invoked is selected
Groovy language is most proud of the characteristics of the DSL, the definition of DSL and classification, advantages, etc., it is not to be elaborated in this article, you can access the Internet, there is a large number of this convenient introduction. The groovy language is a great way to design your internal DSL, and in this context, my Groovy Discovery serie
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