I have two threads in my java programme, one is main thread and other thread is thread A which is spawned in main thread. now i want main thread to start thread A and wait till thread A has executed some part of its code in run method and thread A should suspend itself. main thread should then start running,
Tag: java
How to set JAVA_HOME in Linux for all users
I am new to Linux system and there seem to be too many Java folders. java -version gives me: java version “1.7.0_55” OpenJDK Runtime Environment (rhel-2.4.7.1.el6_5-x86_64 u55-b13) OpenJDK 64-Bit Server VM (build 24.51-b03, mixed mode) When I am trying to build a Maven project , I am getting error…
Assets folder in Android Studio Unit Test
I have a Gradle project with the following structure: Now I want to add a unit test which uses a resource (either “raw” or “asset”). I put my resource into project/androidTest/assets/test_file and access it with getContext().getResources().getAssets().open(“test_file”); (in…
Java project with Gradle in IntelliJ IDEA: cannot resolve symbol ‘google’ but project compiles
I have a toy Java project set up with Gradle in IntelliJ IDEA 13.1.2. It compiles and runs fine, but the IDE highlights ‘google’ in as red and warns “Cannot resolve symbol ‘google’”. Any idea how to fix it? I have tried 1) deleting .idea/ and re-creating the project in IntelliJ I…
Java swing repainting while computing: animating sorting algorithm
http://www.youtube.com/watch?v=M0cNsmjK33E I want to develop something similar to the link above using Java Swing. I have the sorting method and did while repaint but when I triggered the sorting, instead of showing the bars slowly sorting itself, it freezes and then unfreezes when the array has been fully so…
What is the difference between concatMap and flatMap in RxJava
It seems that these 2 functions are pretty similar. They have same signature (accepting rx.functions.Func1<? super T, ? extends Observable<? extends R>> func), and their marble diagrams look exactly same. Can’t paste the pics here, but here’s one for concatMap, and here’s one for…
Knights tour – results in an infinite loop and i can’t figure out why
I’m trying to solve the knight’s tour problem using backtracking. I think the algorithm I have should work. I’ve tried but I can’t figure out why it isn’t working. It results in an infinite loop. However if I comment out the line that back track solutionBoard[dst.x][dst.y]=-1; it…
Using a custom truststore in java as well as the default one [duplicate]
This question already has answers here: How can I use different certificates on specific connections? (5 answers) Closed 8 months ago. I’m writing an application in Java which connects to two web servers via HTTPS. One got a certificate trusted via the default chain of trust, the other uses a self signe…
Adding linebreak in xml file before root node
I am trying to add line break after my comments above the root node in XML document. I need something like this: But What I was able to get is this(Line break inside the root but I need line break after the comment): I need to add the line break just after my comment. Is there a way to do
Extract the first page content from docx file by XML parsing
I need to extract the first page content from the docx file and save it as a seperate document. I need everything from the first page( images, tables, text) to be saved as it is in new docx file. What i tried is : I looked into the xml of the unzipped docx file. Since word document is reflowable i