Java
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Java EE – securitycontext is not applicable to @ rolesallowed
I am currently using Jersey 2.5 in Tomcat 7 1 create a backend server For security, I use @ rolesallowed, @ permitall …… -
Java – jarentry. Java when the jar file is opened from URL to InputStream Getsize() returns – 1
I tried to read the file from jarinputstream, and the size of the file returned - 1 I am accessing the jar file from t…… -
Java – how do I limit spring component scanning to files only in my war?
I'm using spring's component scan to find beans in my application <context:component-scan base-package="com.myapp"/…… -
Java to C cross compilation
Who knows a good java to C cross compiler? Do they work well? Solution Can you explain why you want to port java code …… -
Java regular expression content between single quotes
I try to write a regular expression in Java to find the contents between single quotes Can someone help me? I've tried…… -
Read comma separated attributes in Java using configuration2
I have this attribute: move.patternfile.include = *1a.txt,*2a.txt I'm trying to put it in the list using Apache Common…… -
Java – change the default jlabel font
How do I set the default font for all jlabel instances Instead of setting the font for each jlabel separately Solution…… -
Java Localtime parse exception
I have a piece of code that works normally and now somehow doesn't work I am reading a CSV file and an error occurred …… -
Java – is this AES encryption secure enough?
I from http://www.ravenblast.com/index.php/blog/android-password-text-encryption/ Having obtained this code, although …… -
Java – find all the leaves through binary search tree iteration
I'm new to trees. I'm trying to create a "leaf iterator" I think it should put No Left and All nodes with the right va…… -
Java – the URL can be accessed using a browser, but it is still a FileNotFoundException with urlconnection
I use httpurlconnection to connect to a website and receive a response code = 404 (http_not_found) However, there is n…… -
Java – disruptor – eventhandlers not called
I was playing with the disruptor framework and found that my event handler was not called This is my setup code: priva…… -
Java – get Google cloud storage files from blobkey
I wrote a Google App Engine application that uses blobstore to store data generated programmatically To this end, I us…… -
An invalid swing component height is required
The basic setting is as follows: I have a vertical jsplitpane. I want a fixed size bottom component and a resized top …… -
Java – FrameLayout foreground with selector
I have a FrameLayout. I want to apply the foreground drawable through the selector. I try to implement "drawselectoron…… -
Java – how to avoid creating redundant entities?
In my current project, I need to execute some native queries. These queries select some fields from the tables connect…… -
Java – use the account manager to authenticate using the Google API
I've been trying to solve this problem for days I'm trying to dial Google calendar using authentication through Androi…… -
Controlling logging levels through the WebSphere administrative console
I have a web application in which I use Java util. logging. In my logging In the properties file, the default level is…… -
JBoss – jee6 rest service @ aroundinvoke interceptor is injecting an empty HttpServletRequest object
I have a @ aroundinvoke rest web service interceptor. I want to use it to record common data, such as classes and meth…… -
Java – declare and throw and throw without is declared exceptions
What is the difference between dual methods in Java? public void methodA() throws AnException { //do something …… -
Java assert double is Nan
I try to assert that my double is Nan private Double calculateIt(String input){...} assertEquals(Double.NaN,calculate…… -
Java – sort using spring AOP \ u0026 \ u0026 MVC
I am trying to use spring AOP and spring MVC controller @Aspect @Component public class LoggingAspect implements Order…… -
Java – why doesn’t this code see any significant performance improvement when using multiple threads on a quad core machine?
I wrote some java code to learn more about the executor framework Specifically, I wrote code to verify Collatz hypothe…… -
Java – use JSTL tag to escape JSP el (dot character)
Some frameworks (spring, Tomcat itself) add servlet request attributes that cannot be used in El expressions by defaul…… -
javax. Mail What should I do with the debug = true option?
In my javax mail. In the configuration property of session, I set mail Debug = true, but for some reason, this does no…… -
Java – how to use netbean’s GUI builder to individually resize table columns?
When using NetBeans GUI builder to quickly simulate the final design of the project, I encountered a problem with the …… -
The best solution architecture for user notification in Java / Grails environment?
I'm using Grails to build a community website, and I want to implement it with stackoverflow Com exactly the same user…… -
Java – mask string with characters
Hey guys, I tried to find a way to hide the string, but the code I found is only applicable to my application... Is th…… -
Java, multiple cans or one big?
In terms of efficiency and memory usage, would it be better to set up a large jar with classes / packages for each fun…… -
Embedded distributed version control system in Java?
Is there a distributed version control system (such as git or mercurial) that can be used as an embedded Library in Ja…… -
Java – generic list type with question mark
See the English answer > what is PECS (producer extensions consumer super)? 11 List<? extends Command> myVar …… -
Java – adds an object to the type of the “extended” common collection
public void addAllAnimals(ArrayList<? extends Animal> animalLikeList){ public void addAllAnimals(ArrayList<? ……