Java
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Java – how to copy as administrator in Windows 7
My requirement is to copy the updated jar to the application directory in program files when there is a new update Whe…… -
Java – how to resolve the “illegal conversion” exception when inserting an XML column?
I have a table that contains columns of XML type When I insert records into this table in a servlet running in WebSphe…… -
How to keep the selected value of the drop-down list in Java (struts)
I use three interdependent drop - down lists The user must select the first drop-down list Therefore, the second list …… -
Java – trustore with multiple host certificates
I have a working demo where the applet connects to the server ("a") via HTTPS The certificate chain of the server is l…… -
Java – using LinkedHashMap’s multidimensional byte array… Is there a better way?
I'm new to Java programming, so please forgive me for my new question:) I'm using LinkedHashMap as a file cache for th…… -
Database – development using virtual machines
I have recently been given the role of managing or developing the environment, including: >To manage the version co…… -
Java – Elliptic Curve Cryptography (ECC) with elastic castle for asymmetric encryption
I want to use ECC to exchange session keys for long-term data transmission Ecc-192 bit (curvename: prime192v1) shall b…… -
How do I globally register type adapters on gson?
I use gson in several places in my code. It seems that I need to register the type adapter I use every time, as shown …… -
Java – how to query two different databases (on different servers) in a HQL or jpql query?
I want to use HQL or jpql to write queries on two tables on two different databases (two different database engines wi…… -
Java classpath with and without colon ‘:’
I'm learning Java. I have a quirk that I think only experienced people can answer (I've completed the whole list of si…… -
Java – how to access the webcontent folder from the web service method
I want to reach the file in the webcontent folder from the method in the web service in the same project For example: …… -
java – KeyEvent. Getkeytext() returns special characters (such as’ vk_enter ‘) in OSX, but there is no solution on Windows XP?
I'm using keyevents and KeyEvent.getKeyText(KeyEvent.VK_...) To get the text corresponding to keyevent In OSX (lion), …… -
From Java to Facebook friend’s wall
Using a person's access token, I can get the person's friend's Facebook ID Can someone please give me an example of a …… -
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 – 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 – uncapped error: Polyfill is not registered for the Facebook JDK object
I received the following error when logging in with Facebook JDK. I'm very sure it only started to happen in the last …… -
Java – can I find all (checked) exceptions that might be thrown in groovy code blocks?
I'm maintaining a groovy application that must have substandard error handling - countless catch instances (exception …… -
Java – continuous integration of swing UI testing
I've done automated UI testing on a major WPF project before, and it works well I am now turning to the Java Swing pro…… -
Java – equinox class loader deadlock
On equinox - based applications, deadlocks sometimes occur on the internal class loader -XX:+UnlockDiagnosticVMOptions…… -
Javax JWs package source code
I have Jave se installed, and I can import javax in eclipse jws. WebMethod. But the src.exe that comes with Java se Zi…… -
java – org. scribe. exceptions. Oautexception: the response body is incorrect Unable to extract token and secret from: ‘token is invalid
OAuthService service = new ServiceBuilder() OAuthService service = new ServiceBuilder() .provider(Goog…… -
Bundle – bundle JRE with applications?
I've been debating whether to bundle JRE with my application I've listed some reasons why I think it will be useful, b…… -
Java – making mouse buttons can trigger class events
I'm trying to make a program with buttons. When a button is clicked, it will call a class to work I've only been using…… -
Multiply 3D array in Java
The problem is: suppose you have a 3D array, Z (so int [] [] z = New Int [n] [n] [n]) All you have to do is print a ne…… -
Java – set byte [] to download as a file
I have a jasper report that generates an excel file and outputs it as byte []. I want the file to be displayed as a do…… -
Embedded – when rxif flag is set to 1, PIC32 SPI ISR is not called?
I use pic32mx795f512l spi3 module in slave mode My master sent data over the SPI line, but my slave's interrupt servic…… -
Add java compiler to Matlab?
When I entered mbuild setup in MATLAB (r2011a), there was no java compiler (JDK) available, although I had already ins…… -
Security – overrides the US of the application_ export_ Policy and local_ policy jar
Can we override us through JVM or application parameters_ export_ Policy and local_ policy jar？ Solution There is no …… -
How do I suppress primitive type warnings in the generated canonical metadata class?
I am using hibernate JPA 2 metamodel generator to generate metamodel classes for my @ entity model class, so I can que…… -
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. 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…… -
Error “java.lang.numberformatexception: for input string:” “” pass JSON array to spring MVC
I received the error "Java. Lang. numberformatexception: input string:" "passing JSON array to spring MVC This is my J……