包含标签：Java 的文章
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Java – XY position of a certain Z depth
In processing (Java dialect), there are methods screenx, screeny (and screenz, but we'll skip it now) Suppose I have a…… -
Java – hibernate sqlfragment memory leak?
I deployed a simple webapp on the Tomcat server Webapp is a rest web service. Each web resource loads data from MySQL …… -
java – ExecutorService. Submit (callable) returns a null value for the future object
I am using executorservice to generate threads that perform different tasks When submitting the (callable < T >)…… -
Java – regular expressions X and / or y
Consider the following regular expressions, where x and y are any regular expressions XY|YX|X|Y This regular expressio…… -
Java – how to use ebean to query tables with one to any and many to one relationships
I'm using play framework 2.1 0 and ebean, encountered a problem when querying the following scenarios listed below: I …… -
Asynchronous I / O – Java
I've been looking for details about the benefits of asynchronous I / O in Java, especially from application stack desi…… -
The fastest way to query XML in Java
See English answer > efficient parser for large xmls4 DOM – XPath: this takes a lot of time, DocumentBuilderFactory…… -
Symfony – how to combine translatable and sluggable in doctrine extensions?
I have installed https://github.com/stof/StofDoctrineExtensionsBundle And use translatable and sluggable on specific f…… -
The best way to distinguish between estale and enoent in Java
I am trying to write Java applications running in Linux environment on NFS file system I noticed that when I called Ja…… -
Play framework 2.1 Java / Eclipse: automatic reload does not work
Question /: >The view is being compiled, but if you do not manually restart the server, refreshing in the browser w…… -
Java – regular expression lookup substring
Suppose I have a substring BB, which can be separate or part of a longer string, such as BB or AA | BB | CC or BB | CC…… -
java – GrizzlyServerFactory. The difference between createhttpserver and the new grizzly webserver
I am using Jersey and embedded grizzly web server to create restful web services I see two ways to create an embedded …… -
Emacs – how to execute autocomplete queries in the background?
I'm very excited about Emacs autocomplete mode But my code base is very large. Sometimes, when I type, it will try to …… -
Java – use JAXB to handle missing nodes
I am currently using JAXB to parse XML files I generated the required classes through the XSD file However, the XML fi…… -
JavaFX graphics bug with ProgressBar and slider
I am writing a small application (audio player with function); This is the code of fxml: <StackPane layoutY="64.0" …… -
Performance – unpacked boxed value in a vector of quads
I try to debug performance problems as part of more complex code It seems that the append function I used to create dy…… -
What is Java util. regex. Pattern. GWT substitution for quote (string ARG)
In my application, I need the following code: string1. replaceAll(string2,myConstatntString) The problem is that strin…… -
Does Java provide an executorservice that allows workers to execute on the same thread?
I am looking for an implementation of executorservice that will provide the following semantics Each thread is occupie…… -
Java – can spring / JPA / Hibernate use simple JDBC compatible drivers?
We have an application that uses the spring container on the server. It uses EJB 3 entities and hibernate to persist t…… -
Organize java code when using try catch finally blocks
I am a novice in Java I have a question about how to organize java code when using try catch finally blocks Suppose I …… -
Java – HBase: the filter is not applicable to negative integers
We have successfully implemented hifier's qualifierfilter and valuefilter (using binarycomparator), and they work norm…… -
How to evaluate the utility of recursive algorithms in Java?
Background: I'm trying to learn algorithms and Java Run 320 × 320 grid, 100 trials, 5 times faster than non recursive …… -
How to use jsup to extract paragraph text from HTML?
import java.io.IOException; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logge…… -
Java – is there a tool in eclipse, an eclipse plug-in, or an external program that can automatically restrict access to modifiers?
I used to be very bad at restricting access to my variables / methods / classes. When I shouldn't, I tend to use publi…… -
Java – how to configure Shiro realm to connect to Oracle database in struts 2 Application
I have been working with Shiro (Ki, jsecurity) for several days and have been able to create a test application I'm us…… -
How do I use LDAP authentication for exchange web service connections in Java?
I try to write a Java application that accesses exchange web services to read e - mail Therefore, I use the exchange w…… -
Deep copy of Java object
I am trying to clone an object of mygraph. I hope it is a deep copy, so the ArrayLists in the object are also cloned N…… -
NetBeans and JavaFX – clean up and build each run?
I recently started using JavaFX in the NetBeans ide I brought the example of Hello world because it's not complicated,…… -
Java – the starting point for converting regular servlet encoding to my DSL
Clojure provides a good java interoperability But I really want to have this: (servlet IndexServlet (service[parmas]…… -
How to get JavaFX media metadata without a listener
So I've been looking for this week and reading. Although each question is very similar, it seems that no one asks the …… -
How to confuse a Huffman tree with a given frequency and how to start? Java
I want to know how to deal with my homework I'm trying to create a Huffman tree that will encode and decode messages i…… -
java – ClassNotFoundException：org. dom4j. DocumentException
I am trying to debug (F11 on eclipse) the Java GUI application I inherited, but when the application outside the eclip……