I want a repository (say, UserRepository ) created with the help of Spring Data. I am new to spring-data (but not to spring) and I use this tutorial . My choice of technologies for dealing with the database is JPA 2.1 and Hibernate. The problem is that I am clueless as to how to write unit tests f...

...class must implement. Provide a common interface which allows the subclass to be interchanged with all other subclasses. Here's an example: abstract public class AbstractClass { abstract public void abstractMethod(); public void implementedMethod() { System.out.print("implementedMethod()"...

I'm stuck behind a firewall so have to use HTTPS to access my GitHub repository. I'm using cygwin 1.7.7 on Windows XP. 30 A...

...think this is part of the flexbox standard yet, but is there maybe a trick to suggest or force wrapping after a certain element? I'd like to respond to different page sizes and wrap a list differently without extra markup, so that rather than having (for example) orphaned menu items on the next line...

... Encoding transforms data into another format using a scheme that is publicly available so that it can easily be reversed. Encryption transforms data into another format in such a way that only specific individual(s) can reverse the transformation. Fo...

... /> I'm curious, what do you think "a ThreadSafe collection" would do to become thread-safe, if it doesn't use locks? Edit: I should probably explain by what I mean by "opt out of most of this lock". Any number of read-only-session or no-session pages can be processed for a given session at th...

I am running gdb and want to examine one of those unfortunate god objects. It takes many pages (and I have a 24" monitor turned sideways!) to see the whole thing. For ease of use, I'd like gdb to print the object to a file instead of the screen so that I can open it in vi and move around with ease...

I am trying to use getResources method in a non-activity class. How do I get the reference to the "resources" object so that I can access the xml file stored under resources folder? ...

I am trying to use UIImagePickerController with UIImagePickerControllerSourceTypePhotoLibrary , but it says, "No photos". Where does the simulator get the images from? Where should I copy the images so that they are displayed in the simulator? ...

... While Angular 1 was a framework, Angular 2 is a platform. (ref) To developers, Angular2 provides some features beyond showing data on screen. For example, using angular2 cli tool can help you "pre-compile" your code and generate necessary javascript code (tree-shaking) to shrink the downl...