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Virtual/pure virtual explained
What exactly does it mean if a function is defined as virtual and is that the same as pure virtual?
12 Answers
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String strip() for JavaScript? [duplicate]
What's a clean and efficient JavaScript implementation to strip leading and trailing spaces from a string?
8 Answers
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How do I remove a folder from source control with TortoiseSVN?
...s a dedicated item in the extended context menu:
Hold the Shift key down and right click on the folder.
Under the TortoiseSVN menu click on "Delete (keep local)"
Image cropped from TortoiseSVN's extended context menu page.
Delete (keep local) documentation blurb.
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Find an item in List by LINQ?
...m item in list
where item == search
select item;
And don't forget to check the list for null in any of these cases.
Or use (list ?? Enumerable.Empty<string>()) instead of list.
Thanks to Pavel for helping out in the comments.
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What are best practices for validating email addresses on iOS 2.0
...his modification of DHValidation:
- (BOOL) validateEmail: (NSString *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
@"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
@"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c...
Why do you have to link the math library in C?
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The functions in stdlib.h and stdio.h have implementations in libc.so (or libc.a for static linking), which is linked into your executable by default (as if -lc were specified). GCC can be instructed to avoid this automatic link with the -nostdlib or...
How do you calculate the average of a set of circular data? [closed]
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Compute unit vectors from the angles and take the angle of their average.
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Hidden Features of ASP.NET [closed]
...f a web application directory, ASP.NET 2.0+ will shut-down the application and stop normal processing any new incoming requests for that application, showing only the contents of the app_offline.htm file for all new requests.
This is the quickest and easiest way to display your "Site Temporarily Un...
Convert tabs to spaces in Notepad++
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I'm using v7.2.2 and I can change tabs to spaces using Edit -> Blank Operations -> Tab to Space. Also the Tab Settings are now in Edit -> Preferences -> Language. Although, I don't understand what the Tab Settings does. I've check...
Is a view faster than a simple query?
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Yes, views can have a clustered index assigned and, when they do, they'll store temporary results that can speed up resulting queries.
Update: At least three people have voted me down on this one. With all due respect, I think that they are just wrong; Microsoft's own...