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How do I drop a function if it already exists?
I know this must be simple, but how do I preface the creation of a function with a check to see if it already exists? If it exists, I want to drop and re-create it.
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How can one change the timestamp of an old commit in Git?
..._DATE and GIT_COMMITTER_DATE for the specific hash of the commit you're looking to fix.
This will invalidate that and all future hashes.
Example:
If you wanted to change the dates of commit 119f9ecf58069b265ab22f1f97d2b648faf932e0, you could do so with something like this:
git filter-branch --en...
NumPy array initialization (fill with identical values)
...it can in principle be very efficient since it performs a very specific task).
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Is there a shortcut to move between header and source file in VC++?
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In Visual Studio 2013 and later there is a default keyboard shortcut for this: Ctrl+K, Ctrl+O
(You will need to hold down Ctrl and type ko and then release Ctrl)
In earlier versions, see:
Visual Studio Macro to switch between CPP and H files
or
Open Corresponding File in ...
How to get GET (query string) variables in Express.js on Node.js?
Can we get the variables in the query string in Node.js just like we get them in $_GET in PHP?
26 Answers
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NameValueCollection vs Dictionary [duplicate]
... aren't semantically identical. The NameValueCollection can have duplicate keys while the Dictionary cannot.
Personally if you don't have duplicate keys, then I would stick with the Dictionary. It's more modern, uses IEnumerable<> which makes it easy to mingle with Linq queries. You can even...
How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...:
static readonly string[] SizeSuffixes =
{ "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
static string SizeSuffix(Int64 value, int decimalPlaces = 1)
{
if (decimalPlaces < 0) { throw new ArgumentOutOfRangeException("decimalPlaces"); }
if (value < 0) {...
Extract part of a regex match
... answered Aug 25 '09 at 10:29
Krzysztof KrasońKrzysztof Krasoń
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Scala best way of turning a Collection into a Map-by-key?
...on T (of type P , say), what is the best way to do a map-by-extracting-key ?
13 Answers
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