包含标签：Java 的文章
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Java – akka: how to schedule retry failures when the delay interval is extended?
What is a good way for an actor to try again and fail, but the time interval between retries is getting longer and lon…… -
Change the default button in Java to make it look better
I tried to imitate the default Windows XP simple calculator When I change the background color of buttons in Java, it …… -
Type safe flattening of nested sets / structures in Java
I want to smooth the collection / structure of some T-class elements nested arbitrarily deep in Java >Only live vie…… -
Java: return class (not an instance)
Can I return a class as a static method? I'll explain I have: public class A { public static void blah(){} } public cl…… -
Java – why is meta-inf called meta-inf?
I'm trying to explain the basic principles of web applications I encountered this problem on Meta - inf and Web - inf …… -
Parsing Facebook signed using java_ Request will return malformed JSON
I'm trying to parse Facebook signed in dopost of java servlet_ request. I use Base64 of Commons - codec - 1.3 to decod…… -
Java – supersymmetric line algorithm?
In a special case, I need to generate supersymmetric lines or rays in the 2D grid in the order from (x0, Y0) to (x1, Y…… -
Java – matching wildcards are strict, but declarations cannot be found for elements
I'm using springsource Tools Suite 3 and trying to intercept Servlet's context In XML <?xml version="1.0" encoding=…… -
Java – spring starts MVC: JSP not found
Problem: I can't reach my point under WEB-INF / JSP of my spring boot web MVC application What did I do? This is my js…… -
How to return a boolean method in Java?
I need help on how to return a boolean method in Java Here is the sample code: public boolean verifyPwd(){ if …… -
Java – Maximum traversal cost in matrix using dynamic programming
Suppose I have an M x n matrix in Java I want to find the maximum traversal cost from the first column to the last col…… -
Java – symmetric key encryption algorithm
I am looking for a secure symmetric key encryption algorithm compatible with JavaScript and Java I've tried to impleme…… -
Java language recognition
Is there open source java language recognition? Only for C / C UPD： I'm talking about human text language Example: My…… -
Java library for text normalization
I'm looking for a Java library that allows text normalization Similar to normalizer, but wider (something like utf8pro…… -
Java map, key = class, value = instance of the class
I don't know what I want to do is possible, but if so, I want to know how Basically, I want to create a map, where key…… -
Java – why does a program compile for me, but not for another person?
My code is as follows. It's good for me, but my professor said he was receiving an error because few variables in my c…… -
Java – Cyrillic characters are not displayed in Jasper Report PDF
I tried to display Ukranian characters as PDF files in Jasper reports But it is not belittled in PDF format When I exp…… -
Java – can I get an enumeration based on the value of its field?
I want to get a specific enumeration based on its field value Enumeration: public enum CrimeCategory { ASBO ("Anti…… -
Java – find override method
In eclipse, what methods can you find now to override method declarations? Scenario: when I view a method in the base …… -
javax. Validation value list?
Is there any way to use javax Validation to validate variables of color type that need to use only the values of comme…… -
Java – how to add jtextfield to the menubar of JFrame?
I've been trying to reload JMenu and put some custom code to support jtextfield, but it's not going well My main goal …… -
What is the optimal thread pool size for simple java programs to run CPU based tasks
I use thread pool to execute tasks, which is mainly based on a little I / O of CPU, Executors.newFixedThreadPool(Runti…… -
Java property object to string
I have a Java property object that I load from a string in memory, which was previously from the actual The properties…… -
Dependency libraries on Java JNI and windows
Long story short: I have an executable jar whose call depends on lib JNI. DLL dll. And I got such a bad unsatisfied li…… -
Java – from system What is the worst resolution that nanotime can expect?
I'm writing software that requires microsecond resolution or better timestamps I'm planning to use system Currenttimem…… -
Is there a Java map keyset () equivalent to C’s STD:: map?
Is there a @ l_ 404_ 0 @ map keyset() is equivalent to C's STD:: map? The Java keyset() method returns "a set view of …… -
How to create SQL from Java Get the name of the day from the timestamp object?
How to start Java SQL from Monday and Tuesday Get the name of the day in the timestamp object? Solution You will use J…… -
Set Java Date object from notes datetime object
Manipulating the date will bring me some problems I created some java code that reads the document from the Notes data…… -
Java exec() does not return the expected result of the pipe connect command
I'm calling a command line program connected through a pipe All of these can run on Linux My approach: protected Strin…… -
Using JPA in WebSphere to select all rows from the database
I try to implement a web service that uses open JPA to access the data layer I use WebSphere v7.0 0 and JPA 2.0 This s…… -
Java synchronization is based on parameters
I am looking for a way to synchronize the method based on the received parameters, as follows: public synchronized voi…… -
Can I remove generic type parameters from object constructors in Java?
In Java, you must write: Pair<String,String> pair = new Pair<String,String>("one","two"); It would be nice……