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jQuery Ajax File Upload
...ed. E.g. through FormData object, but unfortunately it is not supported by all/old browsers.
FormData support starts from following desktop browsers versions.
IE 10+
Firefox 4.0+
Chrome 7+
Safari 5+
Opera 12+
For more detail, see MDN link.
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How are 3D games so efficient? [closed]
...dware.
For instance, one easy optimization you can make involves not actually trying to draw things that can't be seen. Consider a complex scene like a cityscape from Grand Theft Auto IV. The renderer isn't actually rendering all of the buildings and structures. Instead, it's rendering only what t...
What does java.lang.Thread.interrupt() do?
...ing such as throw InterruptedException.
EDIT (from Thilo comments): Some API methods have built in interrupt handling. Of the top of my head this includes.
Object.wait(), Thread.sleep(), and Thread.join()
Most java.util.concurrent structures
Java NIO (but not java.io) and it does NOT use Interr...
How can I check if a key is pressed during the click event with jQuery?
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I don't see that property on the jQuery Event object: api.jquery.com/category/events/event-object
– cletus
Mar 15 '10 at 7:35
1
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What are the correct version numbers for C#?
...enough); released with .NET 1.1 and VS2003 (April 2003). First version to call Dispose on IEnumerators which implemented IDisposable. A few other small features.
C# 2.0 released with .NET 2.0 and VS2005 (November 2005). Major new features: generics, anonymous methods, nullable types, iterator blocks...
How to deal with floating point number precision in JavaScript?
...at depends on what kind of
calculations you’re doing.
If you really need your results to add up exactly, especially when you
work with money: use a special decimal
datatype.
If you just don’t want to see all those extra decimal places: simply
format your result rounded to a fix...
How to use the PI constant in C++
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On some (especially older) platforms (see the comments below) you might need to
#define _USE_MATH_DEFINES
and then include the necessary header file:
#include <math.h>
and the value of pi can be accessed via:
M_PI
In my math....
How can I combine two HashMap objects containing the same types?
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One-liner using Java 8 Stream API:
map3 = Stream.of(map1, map2).flatMap(m -> m.entrySet().stream())
.collect(Collectors.toMap(Entry::getKey, Entry::getValue))
Among the benefits of this method is ability to pass a merge function, which will d...
PHP array_filter with arguments
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As an alternative to @Charles's solution using closures, you can actually find an example in the comments on the documentation page. The idea is that you create an object with the desired state ($num) and the callback method (taking $i as an argument):
class LowerThanFilter {
private ...
Multiple “order by” in LINQ
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How on earth have I gone all this time without knowing about ThenBy?! (Edit: looks like it was introduced in .NET 4.0, which explains how it slipped past me unnoticed.)
– Jordan Gray
Nov 21 '13 at 15:05
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