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EditText, clear focus on touch outside
My layout contains ListView , SurfaceView and EditText . When I click on the EditText , it receives focus and the on-screen keyboard pops up. When I click somewhere outside of the EditText , it still has the focus (it shouldn't).
I guess I could set up OnTouchListener 's on the other views in...
Preferred Java way to ping an HTTP URL for availability
I need a monitor class that regularly checks whether a given HTTP URL is available. I can take care of the "regularly" part using the Spring TaskExecutor abstraction, so that's not the topic here. The question is: What is the preferred way to ping a URL in java?
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How to choose the right bean scope?
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Introduction
It represents the scope (the lifetime) of the bean. This is easier to understand if you are familiar with "under the covers" working of a basic servlet web application: How do servlets work? Instantiation, sessions, shared va...
How do I sort a Set to a List in Java?
In Java, I have a Set , and I want to turn it into a sorted List . Is there a method in the java.util.Collections package that will do this for me?
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Override back button to act like home button
...e a Service to perform something in the background, and your visible Activity simply controls this Service. (I'm sure the Music player works in the same way, so the example in the docs seems a bit misleading.) If that's the case, then your Activity can finish as usual and the Service will still be ...
Swift compiler segmentation fault when building
...Meal!.State == .Deleted){
}
so I think optional not unwrapped in if condition can cause this error
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
...en but isn't necessarily an error. Kind of like a "hey, this happened, and it's weird, we should look into it."
Log.i: Use this to post useful information to the log. For example: that you have successfully connected to a server. Basically use it to report successes.
Log.d: Use this for debugging pu...
HTML button to NOT submit form
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I think this is the most annoying little peculiarity of HTML... That button needs to be of type "button" in order to not submit.
<button type="button">My Button</button>
Update 5-Feb-2019: As per the HTML Living Standard (and also HTML 5 speci...
How to compare only date components from DateTime in EF?
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NOTE: at the time of writing this answer, the EF-relation was unclear (that was edited into the question after this was written). For correct approach with EF, check Mandeeps answer.
You can use the DateTime.Date property to perform a date-only ...
How do I debug an MPI program?
...e an MPI program which compiles and runs, but I would like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having each pr...