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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
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__func__ is an implicitly declared identifier that expands to a character array variable conta...
Centering controls within a form in .NET (Winforms)? [duplicate]
... when resizing.
NOTE: Turning off anchoring via the properties window in VS2015 may require entering None, None (instead of default Top,Left)
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Gradient borders
...supported" would mean including support for IE10. See CanIUse border-image vs CanIUse Gradient.
– aug
Mar 20 '15 at 18:01
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JSON, REST, SOAP, WSDL, and SOA: How do they all link together
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Excellent answer right up to the cop-out on JSON vs XML. A more balanced version would be: XML and JSON are ways of serialising data. XML is more flexible and has a lot of standards designed around it, but some feel it is too complex and verbose. JSON is a simpler format wh...
How does RegexOptions.Compiled work?
...| 4487 ms
Compiled | x64 | 3300 ms | 21985 ms | 22793 ms
1,000,000 matches - reusing the Regex object
Type | Platform | Trivial Number | Simple Email Check | Ext Email Check
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Interprete...
Is Meyers' implementation of the Singleton pattern thread safe?
...tudio/hh567368.aspx
– olen_garn
Mar 27 '13 at 16:41
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The snippet from the standard addresses con...
IsNothing versus Is Nothing
...y avoid using IsNothing()
Here are 4 reasons from the article IsNothing() VS Is Nothing
Most importantly, IsNothing(object) has everything passed to it as an object, even value types! Since value types cannot be Nothing, it’s a completely wasted check.
Take the following example:
Dim i As I...
In SQL, what's the difference between count(column) and count(*)?
... are often left blank, like the user's Website URL.
-- count(column_name) vs. count(*)
-- Illustrates the difference between counting a column
-- that can hold null values, a 'not null' column, and count(*)
select count(WebsiteUrl), count(Id), count(*) from Users
If you run the query above in ...
How to change Navigation Bar color in iOS 7?
...nController.navigationBar respondsToSelector:@selector(setBarTintColor:)]) vs the version number to check if you can set the barTintColor
– SimpsOff
Dec 24 '13 at 17:32
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Check that an email address is valid on iOS [duplicate]
... return [emailTest evaluateWithObject:checkString];
}
Discussion on Lax vs. Strict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
And because categories are just better, you could also add an interface:
@interface NSString (emailValidation)
- (BOOL)isValidEmail;
@end
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