Redis 3.0.5 Spring Data Redis 1.3.6 jedis 2.6.3 – Our is web application which receives data from redis over pub/sub. – Also performs read/write of data on redis as key/value pairs. – read/write happens on listener thread, independent monitoring thread and http request threads. – We ha…
‘javac’ is not recognized as an internal or external command, operable program or batch file. in VS Code, using Code Runner extension
I am trying to run some java code in VS Code with the Code Runner extension, but i keep getting this: operable program or batch file. I checked all the paths and updated the path in VS Code, but it did nothing. Answer Assume you are on the Windows System. First, you might want to add your jdk path to
Spring Boot Application is starting up from a JUnit test but unable to access through URL
I have a JUnit Test that starts my spring boot appcliation (Application.java). If I run the JUnit test, Application is successfully starting up, but not accessible through url Application Logs: When I tried to access the application through url ‘http://localhost:8080/process’, It says Site canR…
Merge two arrays in alternate fashion
I am trying to merge to arrays of int type with the same size. Here’s my code When I try printing the numbers in first for loop, it gives me 1,4,2,5,3,6 which the correct output. But, When I try printing it outside the first for loop it gives me output 1,2,3,6,0,0. Can someone help me? TIA Answer In you…
How do I use java library in es6 version of javascript? [closed]
I want to use a java library in a javascript written in ES6. I tried j2v8 and nashorn, but they are not supporting ES6 features. Is there any other way to do the same?
Clarify a situation with a cleaning Spring Prototype-beans from memory
I would like to understand whether I should clean prototype-beans from memory manually by myself. In the Spring documentation you can see: “The client code must clean up prototype-scoped objects and release expensive resources that the prototype bean(s) are holding.” So from this it seems that you…
create a new class do not appear right click menu eclipse
I have a really annoying problem in Eclipse java neon, when i do a right click on a package in order to create a new class or in any area, Eclipse don’t show me proposition like class, package or even project but only a incomplete menu unusable I have already launch eclipse with -clean but not help An i…
android.content.res.Resources$NotFoundException – /res/color/file.xml
I’m trying to implement the Color State List Resources in my android application, following Android developer guide Color State List Resource | Android Developers. So I created two resource files button_text.xml and button_background.xml in the directory res/color/ and referred them in the with @color/b…
Why doesn’t Gradle or Maven have a dependency version lock file?
I’ve recently been introduced to the concept of a dependency version lock file when reading about package managers like NPM, Yarn, Paket, Cargo, etc. My understanding is that it is a file that lists all direct and transitive dependencies along with their exact version number so subsequent builds are gua…
Where do we use BitSet and why do we use it in java?
I just found out that there is BitSet in java. There are already arrays and similar data structures. Where can BitSet be used? Answer As the above answer only explains what a BitSet is, I am providing here an answer of how I use BitSet and why. At first, I did not knew that the BitSet construct exists. I have