包含标签：Java 的文章
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Java – is there a real-world project using clojure that uses multi-core systems that I can see?
Is there a real-world project using clojure that takes advantage of the multi-core system I can see? I think if clojur…… -
Java – MySQL timeout – should I set autoreconnect = true in the spring application?
After a period of inactivity on my website (using spring 2.5 and MySQL), I received the following error: org. springfr…… -
Java – the problem of converting integer to string
I want to add two numbers from the EditText field So far, I have the following code that I believe converts the EditTe…… -
Java – Eclipse INI file; Parameters, meaning and best practice values
I want to fine tune my eclipse INI file to best adapt to my system and development environment http://wiki.eclipse.org…… -
Java – let selenium pass Htaccess popup login
I use webdriver (selenium 2) and Java on Linux I am using webdriver to automatically fill out the form and submit it I…… -
Java – eclipse link, JPA, Oracle, Weblogic, calling persist do not commit the database
I'm just starting to look at Java persistence (currently using eclipse's eclipse link default provider) Basically just…… -
java – Ping vs HTTP HEAD
I am writing a Java application that has the ability to check whether it is connected to the Internet by periodically …… -
Java definition: tag, token
I wrote this: (fitness>g.fitness) ? return 1 : return -1; And received the following error: Syntax error on token, …… -
Java – returns a null class forName
I read an article about class Whether forname can return null here posts, everyone seems to think it can't (or won't) …… -
Shift operator in Java program output
I encountered the following program, which behaved unexpectedly public class ShiftProgram { public static void m…… -
Can I load one of two different classes in java with the same name?
I have a lot of code to call static methods on foo, such as "foo. Method()" I have two different foo implementations a…… -
Java – cannot interpret NullPointerException
In the following code, I have a method to get the vector of people with the same constellation Persoane is vector <…… -
Java – how do I get a spring transaction manager instance?
I use annotations to mark the methods that should be executed in a transaction However, there is one place where I nee…… -
Java – servletrequestwrapper or servletresponsewrapper in production?
Have you seen anything useful to extend httpservletresponsewrapper / httpservletrequestwrapper or servletrequestwrappe…… -
Advantages and disadvantages of organizing packages in Java projects
As the project I'm working on gets bigger and bigger, I'm beginning to be very uncertain about subcontracting classes …… -
How to read text files into jtextarea in Java Swing
This is my code: try { String textLine; FileReader fr = new FileReader("ad.txt"); BufferedReader reader = …… -
Java – update jpprogressbar without knowing progress
I want to use JP progress bar, but I don't have any progress measurement about how long it takes to complete the task …… -
Java – incorrect package names are allowed in eclipse
Some classes in my current project have bad package declarations (they are in the wrong folder of the declared package…… -
Java – why can a generic list be cast to its type parameter
Why does the following code compile? What's the meaning of this? //Connection can be substituted by any interface List…… -
Java – selenium’s eclipse lacks source code
Please refer to the attached screenshot When I hover over the following code: selenium.waitForPageToLoad("30000"); I r…… -
Java – jump to the beginning of the for loop in a Scala program
In the for loop in my Scala code, I want to jump to the beginning of the loop. If the specific condition is true, the …… -
Java reads UTF-8 encoded files character by character
I have a file saved as UTF - 8 (actually saved by my application) How do you read it word for word? File file = new Fi…… -
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A strongly referenced class in Java, used for anonymous classes
I want to use hard reference classes in my java code, but, of course, none Is there any other way to do what I want, o…… -
Java – how to parse and interpret ant’s build xml
Is there any for reading and ant build XML and retrieve the ant API of the element from it? Specifically, I want to be…… -
Entity-framework-4 – ef4 codefirst ctp5 nvarchar (max) via attribute
Is there a way to create a custom attribute so that EF codefirst uses nvarchar (max) as the data type when assigning a…… -
Java – constructor for masquerading unit tests
I have a set of classes with dependencies when instantiating, that is, when creating an object of type A, it also crea…… -
Java – move graphic path object
Especially in Java and Android, how to convert the path object to 100 pixels? As in C #, I will use the following code…… -
How to annotate fields with @ ID in EJB 3 (JPA) and Hibernate?
The title is self explanatory I'm glad to hear about the solution, thank you Solution So far, the method used is short…… -
How to use java to get the index size in Solr
I need to use java to get the total size of the index in Apache Solr The following code gets the total number of docum…… -
Why does Java require that the first line constructor should call the parent constructor? If we bypass this requirement, are there any traps?
I have the next code: class Foo { public Foo (String param) { ... } } class Bar extends Foo { public Bar () {……