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Does Java SE 8 have Pairs or Tuples?
...this as Pair<Integer, Integer> consumes three objects instead of two 32-bit words. Furthermore, these objects must reside on the heap and will incur GC overhead.
It would seem clear that, like Streams, it would be essential for there to be primitive specializations for Pairs. Do we want to se...
Return empty cell from formula in Excel
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edited Mar 31 '15 at 7:50
brettdj
51.7k1515 gold badges106106 silver badges169169 bronze badges
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Explaining Apache ZooKeeper
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436
In a nutshell, ZooKeeper helps you build distributed applications.
How it works
You may descr...
How to prevent multiple instances of an Activity when it is launched with different Intents
...ork around for market launches. See https://issuetracker.google.com/issues/36907463
// for more details. Essentially, the market launches the main activity on top of other activities.
// we never want this to happen. Instead, we check if we are the root and if not, we finish.
if (!isTaskRoot()) {
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Using String Format to show decimal up to 2 places or simple integer
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163
An inelegant way would be:
var my = DoFormat(123.0);
With DoFormat being something like:
pub...
How to Reverse Fragment Animations on BackStack?
...ered Jun 4 '12 at 18:56
user742030user742030
2
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How does Java handle integer underflows and overflows and how would you check for it?
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223
If it overflows, it goes back to the minimum value and continues from there. If it underflows, i...
How can I save a screenshot directly to a file in Windows? [closed]
... }
}
public static Bitmap GetDesktopImage()
{
WIN32_API.SIZE size;
IntPtr hDC = WIN32_API.GetDC(WIN32_API.GetDesktopWindow());
IntPtr hMemDC = WIN32_API.CreateCompatibleDC(hDC);
size.cx = WIN32_API.GetSystemMetrics(WIN32_API.SM_CXSCREEN);
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How to loop through array in jQuery?
...ou can just use it for that. Here's an exploration: http://jsbin.com/exohi/3
I should soften the "don't" above. If you're dealing with sparse arrays (e.g., the array has 15 elements in total but their indexes are strewn across the range 0 to 150,000 for some reason, and so the length is 150,001), a...
JavaScript file upload size validation
Is there any way to check file size before uploading it using JavaScript?
13 Answers
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