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Is DateTime.Now the best way to measure a function's performance?
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No, it's not. Use the Stopwatch (in System.Diagnostics)
Stopwatch sw = Stopwatch.StartNew();
PerformWork();
sw.Stop();
Console.WriteLine("Time taken: {0}ms", sw.Elapsed.TotalMilliseconds);
Stopwatch automatically checks for t...
Check if a number has a decimal place/is a whole number
... for an easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer). For instance,
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Why aren't variable-length arrays part of the C++ standard?
... this question today I came across some C syntax which I wasn't familiar with.
12 Answers
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
...stand the differences between DFS and BFS, but I'm interested to know when it's more practical to use one over the other?
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Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
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UIDevice uniqueIdentifier deprecated - What to do now?
It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and unavailable in iOS 7 and above. No alternative method or property appears to be available or forthcoming.
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
Digital camera photos are often saved as JPEG with an EXIF "orientation" tag. To display correctly, images need to be rotated/mirrored depending on which orientation is set, but browsers ignore this information rendering the image. Even in large commercial web apps, support for EXIF orientation can ...
How do HttpOnly cookies work with AJAX requests?
JavaScript needs access to cookies if AJAX is used on a site with access restrictions based on cookies. Will HttpOnly cookies work on an AJAX site?
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Disabling of EditText in Android
In my application, I have an EditText that the user only has Read access not Write access.
25 Answers
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How to find the 'sizeof' (a pointer pointing to an array)?
...what the pointer is pointing to. There are tricks, like ending the array with a known out-of-band value and then counting the size up until that value, but that's not using sizeof().
Another trick is the one mentioned by Zan, which is to stash the size somewhere. For example, if you're dynamica...