包含标签：Java 的文章
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Javacv uses ffmpeg to capture frames
I created a class to capture frames from video When a frame is captured, it is saved as a picture When the video is Wh…… -
How do I use libraries compiled for Java 7 in Java 6?
I'm developing a Java application and I need to use one called mybeans Jar This mybeans@ R_ 419_ 2267 @ contains many …… -
How to use log4j in Java step by step to configure JBoss 6 Logging in X
Hello everyone, I'm a novice of JBoss, so I'm confused when setting up logging in JBoss 6.1 I Google it and know that …… -
Java – create a jar file and run it on the raspberry PI
This is a very common problem and it is possible to mark it as a duplicate, but it cannot be solved even after reviewi…… -
Java – ColdFusion memory leak when calling CFC directly without method parameters
We had memory problems for a long time I finally found out how to copy the problem, but I don't know what caused it or…… -
How to use SVM in Weka?
I am trying to use SVM classifier in Weka When I click on the libsvm classifier and try to train the model based on so…… -
Using the dropwizard to process long requests
I have a simple dropwizard service. I want a rest API to start a long-running processing task - including CPU and I / …… -
Java – character encoding of Jasper Report PDF format
I want to use custom fonts in Jasper reports Myanmar 3 is the standard font in Myanmar When exporting a report to an H…… -
Java – sonarqube – helps create a new language plug-in
I'm creating a new plug - in for sonarqube that allows developers to perform static code analysis on esql code Using m…… -
java – JBoss 7.1. 1 failed to start because of unexpected element ‘pool’
When I add a pool element, I receive the following error message: If I delete a pool element, how it works I have chec…… -
Java – call ggplot. Java from rserve 1KB blank PNG image
See English answer > ggplot's qplot does not execute on sourcing 1 When this code is executed in the R console, a c…… -
Java – restrict digital input jtextfield
I'm working on a Sudoku solver. I'm trying to limit the number of cells users can enter and can only enter numbers. At…… -
Java – is there any way to free memory during big data processing?
I have a database for storing invoices I have to use the information in all invoices to perform complex operations for…… -
Java – why is implicit conversion effective when reflection casting throws an exception?
Assume the following codes: @SuppressWarnings("unchecked") public static <T> T implicitCaster(Class<T> cl…… -
Java – Concurrent pairing
I'm looking for a Java concurrency idiom to match a large number of elements with the highest throughput Consider that…… -
Java array syntax substitution
See English answers > What does int []... Arrays mean in Java? 8 yes public void fn(Character[]...){} amount to pub…… -
Creating CSV files using java
I will use java to create a CSV file This is part of the code: try{ FileWriter writer = new FileWriter(sFileName)…… -
Java – asynchttpclient does not have onsuccess or onfailure running
I'm trying to connect the PHP script that means asynchttpclient to my website The script performs the HTML parsing of …… -
Java – why are topic messages not listed?
I want to ask a question about ActiveMQ I entered the active MQ administration page and found that queued messages wou…… -
Java – after a period of time, let the thread go to the last
I have a thread that may get stuck and continue running Therefore, after a period of time, I want it to stop executing…… -
Create a mongodb query in Java using $or $in
I am trying to write a java code using the mongodb API to create this mongodb query: { "$or": [{"prd" : {"$in" : ["123…… -
Java EE – hornetq: how to reuse xaconnection and xasession
I encountered some problems when trying to reuse xaconnection and xasession on multiple workers in JBoss applications …… -
Java – how to print “Hello world” Complete life cycle
I studied compiler, operating system and computer architecture in graduate school But I want to see these concepts (le…… -
Java – enables existing spring batch applications to run on multiple nodes
We have an existing spring batch application, and we hope it can run on multiple nodes The scalability documentation f…… -
Why does Java use heap data structures to store objects?
Or it does not use heap "data structures" The name allocated to memory (internal pool) was just called "heap"? If so, …… -
Java – alternative to randomaccessfileorarray (byte [])
Who can tell me the alternative method of random access file or array (byte []) of iText Solution From located http://…… -
Java – an effective way to use neo4j to find a node set related to a given node
Given two nodes, is there an effective way to find a set of common nodes (with defined relationships) For example, con…… -
Java – why is it necessary to override hashcode and equals methods of HashMap?
See English answers > what issues should be considered when overriding equals and hashcode in Java? 11 Now I've rea…… -
Java dateformat: how to handle “ST”, “nd”, “Rd”, “th”?
How to use some dateformats to parse such strings? As far as I know, there is nothing in simpledateformat Solution Try…… -
In Java, is there a type constant equivalent to Pascal
In Delphi / Pascal, there is a mechanism through which local variables in a method can remember the value from one met…… -
Java – core and core_ Differences between RT and JSTL Tags
When I use <% @ taglib URI = "http: / / Java. Sun. COM / JSP / JSTL / core" prefix = "C"% > for my struts 1.3 10…… -
Using the dropwizard to process long requests
I have a simple dropwizard service. I want a rest API to start a long-running processing task - including CPU and I / ……