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Valid values for android:fontFamily and what they map to?
...he documentation. But they are mentioned here under the section 'Font families'. The document lists every new public API for Android Jelly Bean 4.1.
In the styles.xml file in the application I'm working on somebody listed this as the font family, and I'm pretty sure it's wrong:
Yes, that's wr...
When is JavaScript synchronous?
...onous. However, I have learned that there are situations where it is not (ie DOM manipulations). Is there a good reference anywhere about when it will be synchronous and when it will be asynchronous? Does jQuery affect this at all?
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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...the ajax upload may just work, but the general browser behavior is unspecified and dependent on form composition and webbrowser make/version. Just always specify it to be on the safe side.
When using mode="advanced" (i.e. ajax upload, this is the default), then make sure that you've a <h:head>...
What is the difference between LL and LR parsing?
...d some number of lookahead tokens, choose which production ought to be applied to get closer to the input string.
Match: Match the leftmost guessed terminal symbol with the leftmost unconsumed symbol of input.
As an example, given this grammar:
S → E
E → T + E
E → T
T → int
Then given ...
How to add a custom right-click menu to a webpage?
... to my web application. Can this be done without using any pre-built libraries? If so, how to display a simple custom right-click menu which does not use a 3rd party JavaScript library?
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Call method in directive controller from other controller
...roller, and watches the api for changes (I'm using bootstrap css for convenience):
PopdownModule.directive('popdown', function() {
return {
restrict: 'E',
scope: {},
replace: true,
controller: function($scope, PopdownAPI) {
$scope.show = false;
...
Difference between a “coroutine” and a “thread”?
...aved
execution. Parallelism is the simultaneous execution of multiple
pieces of work in order to increase speed. —https://github.com/servo/servo/wiki/Design
Short answer: With threads, the operating system switches running threads preemptively according to its scheduler, which is an algorith...
initializer_list and move semantics
...
No, that won't work as intended; you will still get copies. I'm pretty surprised by this, as I'd thought that initializer_list existed to keep an array of temporaries until they were move'd.
begin and end for initializer_list return const T *, so the result of move in your code ...
What is a patch in git version control?
...figure out what a patch is and how is it different from the rest of activities I do in git?
5 Answers
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Analyze audio using Fast Fourier Transform
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The array you are showing is the Fourier Transform coefficients of the audio signal. These coefficients can be used to get the frequency content of the audio. The FFT is defined for complex valued input functions, so the coefficients you get out will be imaginar...