Java
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Java – which file is the eclipse deployment assembly configured in?
I don't seem to be here The configuration was found in the project file I'm looking for a way to programmatically chan…… -
What happened to Emacs Java?
First of all, I don't want to start a religious war here. Forgive me for telling you a little story first I initially …… -
Put the object into Java util. In properties
I'm trying to understand why I implemented Java util. Properties. It has two interfaces: getproperty / setproperty, wh…… -
Java – how do I get all the files indexed by Lucene?
I created a Lucene index I want to get all the files, just sort according to the fields, no search criteria! Solution …… -
1 field of multiple regex @ patterns?
I tried to apply multiple @ pattern annotations to a single field: @Pattern(regexp = "(?=.*[0-9])",message = "Password…… -
Pop up and start JPA2 hibernate – enable L2 cache
I use spring boot 1.2 5 and JPA 2 annotation entities (and Hibernate as the underlying JPA Implementation) I want to u…… -
Java immutable classes are much slower
I need some complex math libraries, so I hesitate to use immutable complex libraries and variable complex libraries Ob…… -
Java – templates in spring MVC web applications
I have many common areas in my web application design, such as footnote, title, sidebar, block... And change some thin…… -
Java – what is digital promotion?
Can anyone tell me what digital promotion is? Solution Number promotion is to convert a smaller number type to a large…… -
Java – soap WS – make @ webparam optional
I have a very simple method. I use jax-ws annotation in WS API: @WebMethod public MyResponse sendSingle2( @WebPara…… -
Java – spring boot: persistence cannot be used
I've entered this stage, and - although I'm learning a lot - I'm starting to despair I've tried all the suggestions on…… -
Why does the same code work differently in Java?
I wrote the following code in Java and C, but the output of these programs is different Can you describe it This is ja…… -
Java – custom string class creation
I tried to use Java. Net in my eclipse workspace Lang package to create a custom class string Now I'm confused 1) why …… -
Java – after reasoning, l must be specified as long, F and D as float and double
Here are a few related questions According to the title, why should you specify the variable type as long or float, do…… -
Java – timer – how to calculate the difference between two dates using joda time?
I want to use joda time to get the difference between P (start time) and Q (end time) twice P and Q may be different d…… -
Java – liquibase inserts bit column, mysql, column with too long data
In liquibase, I define a table with a column of type bit (1), <changeSet author="foobar" id="create-configuration-t…… -
Java – lists all possible subsets
I have a list of elements (1, 2, 3), and I need to get a superset (no duplicate elements) of the list So basically I n…… -
Java – is there any 2D game engine better than libgdx?
I started programming with libgdx a few months ago, and I found many basic tutorials I like the cross platform nature …… -
Comparing doubles in Java gives strange results
I really don't understand why the following happens: Double d = 0.0; System.out.println(d == 0); // is true System.out…… -
Java – unparseable Greek date – simpledateformat
I'm trying to use simpledateformat to read a string representing a Greek date and time (such as "28") Μαρτίου 2014,14:…… -
Java – use gson to modify JSON instead of POJO
I want to modify a JSON content without converting it to POJO I am using gson library The following are use cases: Str…… -
Java – DBCP: removeabandoned vs evicted
I didn't figure out the difference between removeabandoned and deported I read somewhere that removeabandoned has been…… -
Function objects in Java
I want to implement a JavaScript method in Java. Is this possible? Say, I have a person class: public class Person { …… -
Java – best practices for code modification during ant build
Admittedly, this doesn't sound like a best practice, but let me explain During the build, we need to paste the build n…… -
Java invention interface?
I know that C is a pure virtual class, but Java goes further and creates a first-class (no pun) concept for multi inte…… -
How to avoid sending Java requests from the Java Web server to itself?
The reality is that the Java Web server (Weblogic) receives requests from users and must send a zip archive in respons…… -
Java – parses the contents of an XML file without knowing the XML file structure
I have been using java to learn some new techniques to parse files, and I have been working hard on the part of msot H…… -
Java statistics package [closed]
I'm searching for Java modules. I can run various statistical tests in my program So far, I've found http://commons.ap…… -
Are Java bytes the same as c# bytes?
If the input parameter is an array of byte byte [], the native method in DLL will run in Java Is that because byte [] …… -
Escaping JavaScript strings in Java
I need to turn it into a string in Java: <script type="text/javascript">document.write("<img src=\"UpArrow.pn…… -
Java – dependency injection EJB 3 – too many choices?
We are starting a new project based on EJB 3.0 I have a "spring" background (and love it), so loose coupling and testa…… -
Java – Disable word wrapping in jtextpane
I can't find a simple way to close the word wrapping in jtextpane I can't use jtextarea because I need different color……