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JAVAEERUN 打造最完美的JavaEE教程 | javaeerun.com Reviews
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JavaEERun 致力于打造完美的JAVA WEB入门教程
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DatagramSocket的构造函数和方法
http://www.javaeerun.com/jr_1379563013126.html
DatagramSocket(int port, InetAddress laddr). Void connect(InetAddress address, int port). 将此套接字连接到远程套接字地址 IP 地址 端口号。 返回与此数据报套接字关联的唯一 DatagramChannel 对象 如果有。 获取此 DatagramSocket 的 SO RCVBUF 选项的值，该值是平台在 DatagramSocket 上输入时使用的缓冲区大小。 获取此 DatagramSocket 的 SO SNDBUF 选项的值，该值是平台在 DatagramSocket 上输出时使用的缓冲区大小。 获取 SO TIMEOUT 的设置。 为从此 DatagramSocket 上发送的包获取 IP 数据报头中的流量类别或服务类型。 Static void setDatagramSocketImplFactory(DatagramSocketImplFactory fac). 将此 DatagramSocket 的 SO RCVBUF 选项设置为指定的值。 启用/禁用 SO REUSEADDR 套接字选项。
List的toArray方法的使用方法以及强制转换时的报错问题
http://www.javaeerun.com/jr_1398514189829.html
有很多人会在这里吃苦头，因为他们会这样写 Integer[] t=(Integer[])test.toArray();. List Integer test=new ArrayList Integer ();. For(int i=0;i 5;i ){. Integer[] t=(Integer[])test.toArray();. Javalang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Ljava.lang.Integer;. List Integer test=new ArrayList Integer ();. For(int i=0;i 5;i ){. Integer[] t=new Integer[test.size()];. Integer[] t3=new Integer[1];. Integer[] t2=test.toArray(t3);/ 第二种.
HTMLParser的HasAttributeFilter过滤方式分析网页
http://www.javaeerun.com/jr_1379735605444.html
Parser parser = newParser( HttpURLConnection) new URL(url).openConnection() ;. NodeFilter filter = newHasAttributeFilter(attrName, attrValue);. NodeList nodeList =parser.extractAllNodesThatMatch(filter);. Package com.javaeerun.demo.HTMLparserdemo.filter;. Import java.io.IOException;. Import java.net.HttpURLConnection;. Import java.net.MalformedURLException;. Import java.net.URL;. Import org.htmlparser.Node;. Import org.htmlparser.NodeFilter;. Import org.htmlparser.Parser;. Parser parser = new Parser(.
session的常用方法和request、ServletContext的区别
http://www.javaeerun.com/jr_1380546917378.html
在这篇文章 http:/ www.javaeerun.com/jr 1380463182358.html. HttpSession session=request.getSession();. String name, Object value)、. Returns the object bound with the specified name in this session, or null if no object is bound under the name. Returns an Enumeration of String objects containing the names of all the objects bound to this session. Returns the time when this session was created, measured in milliseconds since midnight January 1, 1970 GMT. Returns the ServletContext to which this session belongs.
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Just another WordPress.com site. Register Spring custom scope using Java Config. July 21, 2015. When looking for examples on how to register a custom scope for Spring, almost all of them are using XML based config. For example: http:/ www.javabeat.net/custom-scope-spring-beans/. In my current project, I don’t use Spring XML configuration, so I needed a way to configure the SimpleThreadScope using Java based configuration. This can of course be used for all custom scope implementation. Import org.spri...
Java EE Microservices
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Online blog of a Java EE Developer. Tuesday, December 16, 2014. FreeBSD on Raspberry Pi B. It has been almost 10 years since I ran my own UNIX-like server at home. The last Debian machine died because of hardware failures. It was an old Pentium II machine. It started itching again a week ago. I wanted to run a server at home 24/7 at a very low cost. It would also be a great opportunity to refresh my C programming skills again. I you think about low cost, then Raspberry Pi. I memorized the list, and inser...
On a Java-EE 6 quest
On a Java-EE 6 quest. Richard Kolb's pointless ramblings on Java-EE 6 and GlassFish 3. Wednesday, January 6, 2010. GlassFish embeddded, And test driven development. So save anyone the pain of getting this working. Here is our EJB sample that uses GlassFish Embedded and JavaDB for unit testing. Https:/ svn.kenai.com/svn/. Main project : http:/ kenai.com/projects/. Comments , patches , complaints welcome. Tuesday, December 22, 2009. In a quest to not just complain, but do something. Then furiously start co...
JAVAEERUN 打造最完美的JavaEE教程
在软件工程师 中国叫做 程序员 或 码农 的圈子里，文人相轻的现象可是非常严重的，在程序设计的各个领域里都有着错综复杂的 鄙视链。
Java EE Squad
Monday, 29 June 2015. CDI event when transaction is finished. CDI events are a very handy way of loosely coupling event driven code. At some point in your code you raise the event, and in some other area, you execute some functionality when this event occurs. And there is no relation or code dependency between the 2 areas except the CDI event payload class. DataUpdatedEvent dataUpdatedEvent) { / React on event. A scenario that I used recently was to have some Cache. By default, as already mentioned, it i...
javaeesupportpatterns.blogspot.com
Java EE Support Patterns
Java EE IT Consulting. Java EE Support Patterns. Java EE, Java and .NET tutorials, JVM, Middleware technologies. Oracle Open World and Java One 2016 summary later this week. This post is to inform you that I will publish later this week a summary of the highlights last September of my on-site visit in San Francisco and areas of focus for 2017. I will also publish a few YouTube videos. Later this month and demonstrate certain trending technologies and some latest Java and JVM troubleshooting techniques.
