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How to count items in a Go map?
...C BY-SA 3.0 and may be found in the Documentation archive. Reference topic ID: 732 and example ID: 2528.
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How to reduce iOS AVPlayer start delay
...ets are local on the device -- no network streaming is taking place. The videos contain audio tracks.
6 Answers
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jQuery deferreds and promises - .then() vs .done()
...an't see the difference between using .then() & .done() for successful callbacks. I know Eric Hynds mentions that .done() and .success() map to the same functionality but I'm guessing so does .then() as all the callbacks are all invoked on a completion of a successful operation.
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How does JavaScript .prototype work?
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Every JavaScript object has an internal "slot" called [[Prototype]] whose value is either null or an object. You can think of a slot as a property on an object, internal to the JavaScript engine, hidden from the code you write. The square brackets around [[Prototype]] are...
How can you profile a Python script?
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Python includes a profiler called cProfile. It not only gives the total running time, but also times each function separately, and tells you how many times each function was called, making it easy to determine where you should make optimizations.
You ...
A numeric string as array key in PHP
...thought it would be fun to point out that the behaviour is similar but not identical to JavaScript object keys.
foo = { '10' : 'bar' };
foo['10']; // "bar"
foo[10]; // "bar"
foo[012]; // "bar"
foo['012']; // undefined!
sh...
What do hjust and vjust do when making a plot using ggplot?
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I have tried that, and I get Error in grid.Call("L_textBounds", as.graphicsAnnot(x$label), x$x, x$y, : Polygon edge not found (zero-width or zero-height?) for vjust = .72 and higher.
– William Gunn
Sep 3 '11 at 0:48
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When is it acceptable to call GC.Collect?
The general advise is that you should not call GC.Collect from your code, but what are the exceptions to this rule?
24 An...
C++ template constructor
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There is no way to explicitly specify the template arguments when calling a constructor template, so they have to be deduced through argument deduction. This is because if you say:
Foo<int> f = Foo<int>();
The <int> is the template argument list for the type Foo, not f...
How to listen for a WebView finishing loading a URL?
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Extend WebViewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
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