包含标签:Java 的文章
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Java – listview update single line
Once I press the button, I want to update the single line in the list view with different content I know I can use not…… -
Java – why do I receive this error “unbound XML namespace prefix”
I almost wrote a simple Android application that seems to work well This is a small sample in one of my XML files:` &l…… -
Java pong game graphics or geom 2D
My first project was to create a game pong. Com in Java Here I calculate the angle of the ball after hitting the ball …… -
GDB explodes when debugging a multithreaded program that quickly forks and executes another program
I'm using GDB to debug my C program. It's a little unstable. Maybe it's because I don't use glibc, so it won't detect …… -
javafx-2 – JavaFX 2.2 FXML Validated TextField
I improved my previous textfield validation implementation, this time using binding for real-time validation It can be…… -
Java – combines JPA and JDBC operations in a single transaction
So I have an application with some legacy JDBC calls that I need to update with some additional JPA operations I need …… -
In type Java Property ‘someproperty’ not found on lang.string
I received this error and I couldn't figure out what the problem might be The "userid" column is located in the databa…… -
Java – jsonview annotation with include / exclude attribute
I have a use case where it seems more appropriate to use the jsonview annotation with exclusion information, for examp…… -
Java – handles schema changes when handling multiple functional branches
Is there another way or some tool to handle database schema changes in multiple parallel functional branches instead o…… -
Java – use Maven to add another project’s jar as a resource
In my project, I have a subproject automatic update program It is basically a jar file extracted and run when the upda…… -
Java – HTTP status when testing restful webservice404 using Jersey
I've been trying to develop and deploy a quiet web service using Jersey I've been following docs oracle. COM and other…… -
java – Scanner. Findinline() has a large memory leak
I am running a simple scanner to parse a string, but I find that if I call it often, I will get OUTOFMEMORY error This…… -
JavaFX removes the separation between the toolbar and the top of the window
I have a JavaFX application. ATM is just a borderpane with a toolbar at the top It looks like this: I wonder if there …… -
Java – validation of XML document results in “invalid byte 1 of 1-byte UTF-8 sequence”
I use probatron 4J to internally use Saxon to validate some XML files in Schematron style sheets In most cases, this w…… -
Java – the storm collapsed 23 hours later
Hello, I have a basic storm application setup, which receives a tweet stream and stores them in the MySQL database The…… -
Java – non existent MySQL message error
I have to build a decision support system, but I don't have much experience in Java Therefore, after I connected to My…… -
Java – soapmessage writeto without attachments
I use soapmessage Writeto (OutputStream) to record web service messages The problem is that it also writes attachments…… -
Java – combines JPA and JDBC operations in a single transaction
So I have an application with some legacy JDBC calls that I need to update with some additional JPA operations I need …… -
Java – how libgdx scales and rotates 3D models when touched
I'm trying to create a simple application that allows you to start from Obj loads the 3D model and scales / rotates it…… -
Java – simple JDBC connection testing using JUnit
I want to simply test the JDBC connection. I don't use the framework, only JDBC and JUnit Can I perform this test with…… -
Is java 1.7 stable or beta?
I want to switch from 1.5 to Java 1.6, but I think it's best to use 1.7 instead of 1.6 Solution We are currently using…… -
Looking for a java code generation library
What is a "good" java code generation library? Solution There are several libraries with various functions and ease of…… -
Java – set password in sqlcipher
I want to create a new encrypted database with sqlcipher. Because of the following link, I don't really explain how to…… -
Java and python processes can exclusively lock the same files on Linux
I have a Java application and a python launcher Java applications use this code to lock files to avoid multiple starts…… -
Java – do not generate log files until Weblogic is restarted
I am developing an application deployed on Weblogic 10.3 It is packaged as ear and contains a module The application i…… -
Generics (and wildcards) in Java
I'm reading a book on Java. It tells me that the following two pieces of code are equivalent: public <T extends Ani…… -
java – file. canWrite(); file. canRead(); file. canExceute(); Although my file / directory does not have access rights, it always returns true
I need to check the permissions of the files / directories I use //filePath = path of file/directory access denied by …… -
Java – use the runtimemxbean instance and system Getproperties reads the difference between system properties
What is the difference between reading system properties in this different way RuntimeMXBean RuntimemxBean = Managemen…… -
java. io. Is filedescriptor #sync() specific to a single filedescriptor
I want to force synchronization to disk after writing files at some point in my application Because it runs on Linux, …… -
Print vowels with words in Java
I'm a beginner of Java. I'm learning this course and need some help Basically, the user will enter a string and the pr…… -
Java asymmetric encryption: the preferred way to store public / private keys
This code generates a pair of public / private keys: KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA"); ke……