Recent Posts
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Java – performs DOM node to string conversion, but there is a namespace problem
So we have an XML document with a custom namespace (XML is generated by software beyond our control. It is parsed by D…… -
Warning developers to invoke `super. in Java foo()`
Suppose I have these two classes, one extending the other public class Bar{ public void foo(){ } } public …… -
Play 2 – how do I set the default values of template parameters from the Java controller?
Can I define optional parameters when rendering Scala templates in play framework 2? My controller looks like this: pu…… -
Java – when decrypting with a padding password, the input length must be a multiple of 16
I have a server and client socket program. The server sends encrypted messages to the client, that is cipher2 = Cipher…… -
Java – an algorithm for calculating the similarity between texts
I tried to score similar between posts on social networks, but I didn't find any good algorithms, ideas? I've only tri…… -
Print opencv matrix content with Java
I have opencv matrix in Java. I want to print its contents I tried the toString () function as follows: descriptor ToS…… -
Java – jgit get pull file
I have a repository in two different folders (folder1 and folder2) There is an "oldfile" file in the repository In fol…… -
How to view memory usage and thread dump of Java programs from the command line?
Are there any known command - line tools that require the JVM to view Java program memory usage and thread dumps Like …… -
Java – spring scheduledtask – start / stop support?
Is there any way to start or stop tasks scheduled by spring scheduled tasks initialized with context files or @ schedu…… -
Access HashSet directly using hashcode? (JAVA)
Hi, I want to know if you can directly access the content of the HashSet if you have the hashcode of the object you ar…… -
Java – how to return xxxsize from JComponent added to jlabel
How to correctly return xxsize from JComponent added to jlabel 1. Figure > > make layoutmanager work like JPanel…… -
Java – call breakpoints do not work in JUnit tests in eclipse
I tried to debug the JUnit test in the eclipse, but my breakpoints did not trigger (unless they were in the first or s…… -
Constants and attributes in Java
Java best practices recommend reading properties as constants So what do you think is the best way to achieve your goa…… -
Java – how secure is internal storage?
What I need: For Android: I need to permanently save the data, but I can also edit (obviously read) it Users should no…… -
Send Skype messages in Java using taskan’s Java Skype API
My java project needs help I'm trying to send a message in a Skype conversation when a specific action occurs For this…… -
Java – how to calculate the shortest unique prefix for a set of strings?
This is a very common algorithm in command - line parsing Given a predefined set of long option names – calculates the…… -
Java – hazelcast thread prevents tomee from stopping
context We want to use hazelcast as our jcache implementation in tomee Because we don't need crazy performance, we wan…… -
Registering Java swing with event types
In Java swing, I can register a listener to a GUI event, as shown below guiElement.addMouseListener(myListener); But w…… -
Java – Apache unexpected child element exception when generating web service client
I am trying to generate a web service client using wsdl2 Java from Axis2 (version 1.6.1) ./wsdl2java.sh -uri http://ww…… -
The best way to store time in Java is HH: mm
After doing my research, I can't find the method or data type that should be used for variables to store time in HH: m…… -
Java – recover EC private key from PEM format using bouncycastle
My application stores the private key in PEM format. The existing code is applicable to RSA key, but I tried to switch…… -
How does Java – weakhashmap work?
When would you use a weakhashmap or a WeakReference? 10 Solution You can't use string text in weakhashmap (you can, bu…… -
Java – the collections remove method does not give a concurrent modification exception
I've read an article about removing elements from the collection from this link According to my understanding, the ite…… -
Java – Jersey: what does “syntax element not found” mean?
After upgrading Jersey from version 1.15 to 1.17, it starts logging the following messages: Apr 2,2013 5:13:06 PM com.…… -
Java – sensoreventlistener in the service
I tried to implement sensoreventlistener, but for some reason nothing happened public class Servicee extends Service {…… -
Java – how do I concatenate list items but use different delimiters for the last item?
The following list is given: List and lt; String > Names = lists Newarraylist ("George", "John", "Paul", "Ringo") I…… -
Storing / reusing intermediate results on Java 8 streams
I have a list of A. to perform filtering, I need to map a to B. but once the filtering logic is completed, I still nee…… -
Get image acquisition hardware from Java
How to realize image acquisition from hardware scanner in windows? I found the jtwain library, but it's commercial Is …… -
Java – eclipse Google App Engine “not enhanced”
First eclipse: Can't get rid of this error... I've tried every suggested fix on Google The persistence class "com.blah…… -
Java – swagger doc (type list) for API response
I'm using swagger to document my rest API However, I encountered a problem specifying the response for some API calls …… -
Java – just in time doesn’t work
When I click Run, I encounter this problem in Android studio 2.3: 03/09 19:02:36: Launching app $adb shell am startser…… -
Java – user authentication failed: null
I have an API "vignette collab", which runs on an Apache stack with Java. I inherit a legacy code base and need to fin……