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REST response code for invalid data

...tion failed is used for conditional requests when using last-modified date and ETags. 403 - Forbidden is used when the server wishes to prevent access to a resource. The only other choice that is possible is 422 - Unprocessable entity. ...
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How to check if a service is running on Android?

...the record): Here is the solution proposed by hackbod: If your client and server code is part of the same .apk and you are binding to the service with a concrete Intent (one that specifies the exact service class), then you can simply have your service set a global variable when it is ...
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Change Author template in Android Studio

I want to change the automatic author that appears when I create a file in AndroidStudio. 7 Answers ...
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How to print to console when using Qt

I'm using Qt4 and C++ for making some programs in computer graphics. I need to be able to print some variables in my console at run-time, not debugging, but cout doesn't seem to work even if I add the libraries. Is there a way to do this? ...
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Convert Int to String in Swift

... Converting Int to String: let x : Int = 42 var myString = String(x) And the other way around - converting String to Int: let myString : String = "42" let x: Int? = myString.toInt() if (x != nil) { // Successfully converted String to Int } Or if you're using Swift 2 or 3: let x: Int? ...
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How to remove the underline for anchors(links)?

Is there anyway (in CSS) to avoid the underline for the text and links introduced in the page .. ? 15 Answers ...
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Convert Data URI to File then append to FormData

...ers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload. ...
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getActivity() returns null in Fragment function

... suggest adding an onAttach(Activity activity) method to your Fragment and putting a break point on it and seeing when it is called relative to your call to asd(). You'll see that it is called after the method where you make the call to asd() exits. The onAttach call is where the Fragment is att...
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Preview an image before it is uploaded

...lementation of this. Works like a charm. @kxc you should make an ajax call and send input.files[0] as data, see jQuery's doc. – Sumi Straessle Mar 13 '17 at 9:07 ...
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What happens with constraints when a view is removed

...y the poster in that question did what he did. I've logged this to verify, and when I remove a subview, and check the constraints on the superview, those constraints that pertained to the removed subview are gone. – rdelmar Apr 22 '14 at 15:18 ...