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Retrieve a Fragment from a ViewPager
...ble. Fragments that have not yet been instantiated, will return null when calling getRegisteredFragment. But I've been using this mostly to get the current Fragment out of the ViewPager: adapater.getRegisteredFragment(viewPager.getCurrentItem()) and this won't return null.
I'm not aware of any othe...
Detect 7 inch and 10 inch tablet programmatically
Is there a way to programmatically find whether the device the app is installed on is a 7 inch tablet or a 10 inch tablet?
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Returning from a finally block in Java
...sed recently to find that it's possible to have a return statement in a finally block in Java.
6 Answers
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How is OAuth 2 different from OAuth 1?
...uth 2.0. To summarize, here are the key differences:
More OAuth Flows to allow better support for non-browser based applications. This is a main criticism against OAuth from client applications that were not browser based. For example, in OAuth 1.0, desktop applications or mobile phone applicati...
How to concatenate two MP4 files using FFmpeg?
...pe f is for only listing files. I added | sort to sort the files alphabetically; because find reads them in order as saved on filesystem. Works also for files with whitespaces.
– erik
Dec 2 '16 at 14:15
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HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
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No, they're not the same at all; they do completely different things.
html5shiv allows you to use the new HTML5 tags in versions of IE that don't understand them. Without it, IE will choke on these tags, so you need this if you intend to use the tags....
Converting between strings and ArrayBuffers
...ly converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back.
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What does the function then() mean in JavaScript?
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The traditional way to deal with asynchronous calls in JavaScript has been with callbacks.
Say we had to make three calls to the server, one after the other, to set up our
application. With callbacks, the code might look something like the following (assuming
a xhrGET fun...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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There are a few pieces to this that allow all of these combinations of operators to work the same way.
The fundamental reason why all of these work is that a function (like foo) is implicitly convertible to a pointer to the function. This is why void (*p1_foo...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...ng is a 64-bit unsigned integer.
int is a 32-bit integer.
So int is a "smaller" datatype than NSUInteger, therefore the compiler warning.
See also NSUInteger in the "Foundation Data Types Reference":
When building 32-bit applications, NSUInteger is a 32-bit unsigned
integer. A 64-bit applic...