Java
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In the App Engine java development server, how to simulate concurrent threads to ensure safety?
I read that the Google App Engine java development server only runs a servlet thread I want to simulate two threads ru…… -
Java – generated web service client class without setter
I have created a client for the soap web service, but in the generated code, some classes miss the setter method The W…… -
Java – Jena TDB: nested transactions
I want to rewrite the code that currently uses transactions However, according to Jena's documentation（ http://incuba…… -
Java – find the number of required items in the list?
Design an algorithm, given the list of n elements in the array, find all the elements that appear more than N / 3 time…… -
Java – GWT fileUpload, file not sent in post
I'm trying to use GWT 2.4 gwtupload 0.6 4 library upload a simple file This is my dialog UI Relevant parts of XML: <…… -
Java – ghost4j / ghostscript – error 100 when trying to embed fonts in PDF
I have PDF with reference font, and I want to use ghost4j to output PDF with embedded font public void execute() { …… -
Java – is there a simple way to flatten JSON object properties using Jackson?
Given an entity class with compound keys managed by hibernate, is there a simple way to flatten key properties to the …… -
Java – generate metamodel classes using Maven and eclipse (JPA, maven, eclipse)
I use M2e (1.0.100), eclipse (Indigo Sr1), and hibernate jpamodelgen (1.1.1. Final) Thank you in advance Solution I as…… -
Java – implements common context search – how do you handle it?
I'm currently designing some desktop software. I've always wanted to realize intuitive search function For example, I …… -
Trim start and end from wav file using java sound API
I have basic knowledge However, the output file just repeats the wav title over and over again The generated file size…… -
Java – how can I say “these two generic types are the same” in the map?
I have a method toString (object), which delegates the transformation to the handler The handler is defined as follows…… -
Jpa-2.0 – JPA2 criteria builder – query on abstract classes and multiple subclasses
First of all, I'm sorry if I've asked this question, but I can't find any similar questions or answers to my questions…… -
What is missing from opencv’s Java binding?
Start with OpenCV's Wiki: OpenCV is released under a BSD license,it is free for both academic and commercial use. It h…… -
Can Java – Android applications maliciously read / set their variables?
This does not involve APK piracy. I asked about the code in the APK file I know that if you use shared memory and set …… -
Can I kill a java thread from JDB?
In theory, JDB (@l)u 419)u 0@ debugger) allows you to kill a single thread In practice, is it possible? Here, I attach…… -
Java – newfixedthreadpool and object pool do not work properly
I was trying to figure out how to concentrate resources, and I began to suspect that my thread might be a problem (not…… -
Java – spring transactions using JPA throw exceptions in the aftercompletion phase
I have a web application using the spring framework (3.1) and JPA (2.0) persistence backed up through hibernate (4.1.1…… -
Java – spring @ Autowired constructor given no default constructor found
Here are some strange behaviors from spring 3.0 package com.service.schedule; import org.springframework.stereotype.C…… -
Java – focus on lost animation on Android / ice cream sandwich
On my tablet, whenever I put my finger on something that can be clicked (such as a menu item), it will be highlighted …… -
Java. Java when running JUnit plug-in tests lang.NoClassDefFoundError
When I run JUnit plug-in tests, I keep getting Java lang.NoClassDefFoundError. There are some missing bundles here, bu…… -
Java – is there a utility or API to convert SMS shorthand abbreviations into correct sentences?
I'm creating an Android application that will convert SMS text messages through the TTS API This works when the text i…… -
Java – Generic runtime check for ‘instanceof’
I have an object named node < value > The objects nodeinternal < value > and nodelef < value > inher…… -
Find annotated packages in Java?
Find in package info What is the simplest way to annotate all packages with specific package level annotations in Java…… -
Using property files as UI mappings in Java:
Therefore, I am reading the selenium test design considerations document. I have questions about the UI mapping sectio…… -
Java – spring scheduled tasks are not performed on Windows 7
I have a strange behavior about planning tasks I have the following settings <task:scheduled-tasks> <ta…… -
Java – nimbus L & F is missing the delimiter on jtabbedpane and is set to scroll
I missed the blue horizontal separation line between the labels and the content set as scroll in nimbus L & F tabb…… -
Java – drag and drop txt files into textarea
Here I have a text area called sourcetx, where I drag and drop the file, and then use BufferedReader to read the conte…… -
Java – is it possible to search Google products (formerly known as www.froogle. Com) using the Google API?
Can I use Google API to search Google products (formerly known as www.froogle. Com)? Solution Yes, it's possible, beca…… -
Java – use VTD-XML to optimize the speed of parsing XML files
I am using VTD - XML to parse a large number of XML files I'm not sure if I used the tool correctly - I think so, but …… -
Rest Java status 500 internal error
OK, so I'm writing a rest server in Java and trying to test it, but I've been receiving error code 500. Please help I'…… -
Java – some queries about serializable transactions?
I've read that commit isolation can provide more concurrency than serializable isolation levels My question is, how do…… -
Java – is it possible to define a set of breakpoints in eclipse and trigger them only after a given event occurs?
I want to set a set of breakpoints in several tight loops But I just want them to trigger after a given event occurs T……