Tag: java

File.createTempFile check if file exists?

If I use this method, and by chance there is a temporary file with the same name, the file is overwritten? I’m talking about an application that will generate many temporary files, for a long time. Answer From the JavaDoc on createTempFile (here) on the line labeled 2, Neither this method nor any of its variants will return the same

“Cannot start compilation: the output path is not specified for module…”

gradle intellij-13 intellij-idea java

I have a very simple Java + Gradle project. It builds fine. It runs fine from the shell with “gradle run”. However, if I try to run inside of IntelliJ, I get: My “Compiler output” is set to “Inherit project compile output path”. I don’t want a custom output path, whatever that is, just do a normal gradle build and

Spring MVC web application: No default constructor found

java spring spring-mvc

Project ZIP: http://goo.gl/ddhLg5 Spring web app cannot be executed giving HTTP Status 500 error. It also writes out that No default constructor found for DSLR but in fact there is a default constructor. Maybe it has to do with application context or the way my beans declared? What is the reason my application cannot start? DSLR: web.xml DSLRServletController-servlet.xml: mvc-dispatcher-servlet.xml ERROR:

First level cache not working with JPA and Hibernate

caching hibernate java jpa spring

I an new to use hibernate caching (first level, 2nd level and query cache). My project is configured using Spring MVC and JPA. I am testing first level cache using JUnit test case below. And my entity class is defined as : This should execute native query once in case first level cache is by default enabled. But I am

Replace capital letter with underscore + lowercase letter in Java?

java regex

Is there a way to use RegEx in Java to replace all capital letters with an underscore and the same letter only lowercase? Example: getSpecialString -> get_special_string Answer Just try with:

IndexOutOfBoundException when creating an Array from a List [closed]

java

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 8 years ago. Improve this question I have this method that returns a List of usernames, and for some reason it is throwing an indexOutOfBoundException. Answer array index starts from 0

how to decode the Stack Exchange API response

java json stackexchange-api

I am trying to retrieve the response of stack exchange api like [http://api.stackexchange.com/2.2/tags?order=desc&sort=popular&site=stackoverflow] I am using the following code to retrieve the response But I am getting the response in decoded form as ��n� �߅f]as��DՊ�I��/�m�(��*Ʃ��Kc�� I found the similar question [https://stackoverflow.com/questions/20808901/problems-with-decoding-stack-exchange-api-response] , but I didn’t find any answers for the question. How to decode the api response? Thanks in advance.

Error while running cucumber in junit

cucumber cucumber-junit java

Hi i am new to cucumber java. i am trying to run a simple cucumber feature test. below are my feature file, step definition file and junit runner file. but i am not able to run the test succesfully in cucumber-java,cucumber-junit 1.1.6 version. Feature file Stepdefinition file Cucumber runner file I am getting below error: POM.xml But when i am

Setting SDK Location in Netbeans

android java netbeans

I’m having some trouble setting the Android SDK Location in Netbeans. I have installed the SDK and even run a virtual device in it, but for some reason Netbeans is not recognizing the SDK. Here is the location of my SDK: And when I have this entered in Netbeans: The ‘OK’ or ‘Apply’ buttons still aren’t clickable. Is there something