Java
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Remove the JFrame from the taskbar in Java
I made a quick theme look, but I didn't find anything similar My query is: how do I prevent child windows from appeari…… -
Java – why not always increase the operator’s work on chars?
Why char c = 5; int i = c++; However, this causes a compiler error (invalid arguments / –) for the operator: int i = a…… -
Java – why does eclipse display errors in the play framework rendering method?
I received an error: public static Result home(String name) { return ok(home.render(name)); } Eclipse s…… -
Java – how to get parameters from the URL in Liferay portlet?
I used something like feed in Liferay 6 JSP of out of the box portlet such as jspf: String articleId =null; HttpServle…… -
Failed: metadata error: Java Lang.runtimeexception: unable to instantiate org apache. hadoop. hive. metastore. HiveMetaStoreClient
I closed my HDFS client while HDFS and hive instances were running Now, when I re-enter hive, I cannot perform any DDL…… -
Java – find the size of the file in the gzip file
Is there any way to find out the size of the original file in the gzip file in Java? As in, I have a 15 MB file a.txt,…… -
Storing DPI and paper size information in JPEG using java
I have the following code: ImageIO.write(originalImage,OUTPUT_TYPE,resultOutput); This is for the following javax imag…… -
For multiple lock attempts, use Java concurrent. ReentrantLock
I noticed the following code block: final Lock s = new reentrantlock(); for(int i = 0 ; i < 1000 ; i++) { …… -
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Java – how to convert dates to UTC
I need to change the date format to UTC format … I need to convert the LastModified date of the file in UTC format Sol…… -
Java – style EditText for Android
I ran Android 2.3 on my phone and noticed many applications that use ICs to edit text fields, such as square up and Tu…… -
Java – use thread. Java in my main code currentThread. Is sleep () dangerous?
In my code I'm using Thread.currentThread().sleep(sleepTime); In the main (non thread object) part of the code It seem…… -
Using threads in swing GUI in Java
I use the following code to replace a jlabel every 0.5 seconds, using the same sentence, but using another point Runna…… -
Java – how to detect the last character
I have a string. I want to know what the last character in my string is# String test="test my String #"; Solution Only…… -
Java what does it mean to call repaint () instead of calling paint (?) directly in Applet?
We override this paint method public void paint(Graphics g) { g.drawString(msg,xpos,ypos); } If we have another met…… -
Java – how to schedule a task every “n” seconds in the spring framework
How to connect to my web XML task occurs every N seconds In addition, I need to refresh the server method every 5 seco…… -
Java – endpoint with OAuth: get the current ClientID
I just started using endpoints in Google App Engine, and everything seems to work well My API rejects non whitelist cl…… -
How to substring a string to the second point (.) in Java?
I have a string with many segments by dots (.) Separate as follows: I want to get a substring up to the second point, …… -
Java – type set is not universal; It cannot be parameterized
My eclipse faces this strange problem Type set is not universal; It cannot be parameterized with the parameter < in…… -
Java – how to create a new activity, I can choose to add a new project from the database?
I created the database after this tutorial, and I created a button in the main activity that takes the user to another…… -
Java – token “;” Syntax error on, {expected after this tag
Why is there a syntax error in this line (as shown below) package org.temp2.cod1; import java.security.*; import javax…… -
Java – WebSockets, play framework and actor
I need to inform all users about adding new records to the database > Application. Java – here I put the socket han…… -
Java – how to get content in Web crawl
Hi! I'm trying to implement this pseudo code for spider algorithm to explore the network I need some ideas about the n…… -
Java socket server lags behind two clients
I'm a newcomer lol to stackoverflow, but I've always relied on this website I have a question about the java socket se…… -
Java – Maven ‘deploy’ causes code repackaging (bad signature) after signature operation
I want to deploy an artifact to the sonatype OSS repository The signature is invalid when deploying with the following…… -
The override equals method to compare multiple fields in Java
What is the best way to rewrite the equals method in Java to compare multiple fields? For example, I have four objects…… -
Java – how to filter by entity class attribute in Hibernate
I use hibernate in Java to map classes to database tables I have a personnel list. Each item has many pets and each pe…… -
Is java – spring too complex for JDBC operations?
I've just seen spring's JDBC framework - it looks like a learning curve - and I still can't find the latest quick star…… -
Java – generate name arrangement and database
Using "generating all permutations of a given string" as a reference, I try to have my program (when a name field is d…… -
Java – images that need to select code from the camera and Gallery – applies to all Android phones
private void selectImage() { private void selectImage() { final CharSequence[] items = { "Take Photo","Choose fro…… -
Block / disable JavaFX 2 WebView right click
I am looking for a way to prevent / disable JavaFX scene. web. Right click in WebView More specifically, I don't want …… -
Java – static variables and methods
I encountered a class set like this: public class MyClass { private static boolean started = false; private MyCl……