包含标签：Java 的文章
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Concurrency – printing to stdout results in blocked goroutine runs?
As a stupid basic threading exercise, I've been trying to implement sleeping barber problem in golang It should be eas…… -
Java – what is the memory range to refresh or publish to various threads when using volatile and synchronized?
This problem only concerns memory visibility and does not occur before and after There are four ways in Java to ensure…… -
Java – how Cassandra pages behave during concurrent inserts
I use the Java client and pagingstate to page the large result set of cassanda 2.2, as follows: https://datastax.githu…… -
GlassFish – interceptor problem in Java ee7
I am testing / switching to Java ee7 (GlassFish 4). One problem I encounter is the interceptor. Whenever I try to run …… -
Java – what should I use to display game graphics?
I have a game system, but I don't know how to display it I'm making a vertical shooter game. I've written methods for …… -
How to maintain the same session ID across multiple web applications in Java
How do I maintain the same session ID for multiple web applications in the JBoss server? Solution For similar question…… -
Java – how to start multiple debugging sessions in eclipse by clicking?
I am currently writing GWT applications through eclipse Eclipse is used for development, but I use the m2eclipse plug-…… -
How to ensure that Java programs use UTF-8 encoding
I recently found that relying on the JVM's default encoding can lead to errors I should explicitly use specific encodi…… -
Java – ideas for an alternative to ORM RDBMS?
I am currently developing proof of concept for alternative data storage The reason why I need to enhance a webapp that…… -
Java – IntelliJ displays the “always true” prompt, but not “always false”
Therefore, I use IntelliJ idea to program in Java. I'm trying to use the keyword instanceof. My code looks like this i…… -
Use event listeners as Java 8 stream sources
Fast cleaning Can a traditional event listener be refactored into a Java 8 stream so that the listener event becomes a…… -
Java – Model View Presenter and composite view
I try to follow the MVP (especially passive view) pattern in Java Swing UI applications The basic design of the applic…… -
Java – we can create runnable objects as its interfaces
I see a sample code that uses the new runnable (), which is an anonymous inner class Runnable runnable = new Runnable(…… -
Migrating from Jack to native Java 8
I'm trying to use lambda expressions and streams in my android project I use the streamsupport library as a stream and…… -
Java – Jersey client response status 204
I am using Jersey service and client When I try to call the service, I receive this error: Exception in thread "main" …… -
Java – any good reference for jqom?
Apache jackrabbit includes some database / archive query mechanisms called jqom Where do you start to understand what …… -
Java – JSP progress bar
Is there a simple way to implement the progress bar in JSP Basically, I have a JSP page to go to the servlet that call…… -
Java – get the current system time and add 30 minutes after that
I want to get the current time in my application I am starting and stopping time from my network service For example: …… -
Java – access with dot (.) Bean
In the flow definition, I try to access a bean with a point in its ID (for example: < evaluate expression = "bus. M…… -
Is there a Java alternative to prefuse being developed?
The prefuse toolkit has not been updated since 2009, and the last build began in 2007 Is there any other Java visualiz…… -
Java – * * busted * * how to use sun misc. Unsafe speed up byte [] lookup?
I'm trying to use unsafe to iterate memory instead of traversing the values in byte [] Use unsafe to allocate memory b…… -
Java – Design Pattern: avoid switching to decide which service to call
For the project, we have a controller / service / Dao architecture We have implemented calls to different provider API…… -
Java – no AspectJ recommendations executed through unit tests
I'm sorry. I'm trying to test an AspectJ class When I run my application, my aspect class is picked up perfectly Howev…… -
Java – Maven template plug-in?
I've seen it. I can't seem to find a separate Maven plug-in. People can use it to generate Maven files I've seen sever…… -
javax. net. SSL, HTTPS client and close_ notify
Using javax net. Simple netty implementation of SSL HTTPS server with self signed certificate The server is started, a…… -
Java – date change listener
My task is to trigger a method to refresh or reset my application every 12 o'clock I tried to search the Internet for …… -
What does this Java generic paradigm do and what is it called?
I'm looking at some Java classes with the following forms: public abstract class A <E extends A<E>> imple…… -
Java – using thread Sleep() limits the frame rate
I'm making dynamic wallpaper, so don't worry about physical collision I just want to keep the frame rate as smooth as …… -
Java – how do I know if locale is in 12 or 24 hour format?
See English answers > How do I find out why a locale uses 12 or 24 hour time in Java? 3 I found this: if (android.t…… -
Log4j in Java – logils: how to log in to a file?
I'm in Grails config This log4j configuration is available in groovy log4j = { error 'org.codehaus.groovy.grails.…… -
Use Java flash taskbar (LA Pidgin | MSN)
I'm looking for the right direction I have a simple chat program written entirely in Java. I'm looking for a way to fl…… -
Java – how to declare a function parameter to accept the thrown function?
I defined a function in kotlin: fun convertExceptionToEmpty(requestFunc: () -> List<Widget>): Stream<Widge……