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Check that an email address is valid on iOS [duplicate]
...lterString : laxString;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:checkString];
}
Discussion on Lax vs. Strict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
And because categories ar...
Best way to do multi-row insert in Oracle?
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edited Sep 19 '08 at 5:30
answered Sep 2 '08 at 14:08
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What's the difference between console.dir and console.log?
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In Firefox, these function behave quite differently: log only prints out a toString representation, whereas dir prints out a navigable tree.
In Chrome, log already prints out a tree -- most of the time. However, Chrome's log still stringifies certain classes o...
Access an arbitrary element in a dictionary in Python
If a mydict is not empty, I access an arbitrary element as:
13 Answers
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Linq to Sql: Multiple left outer joins
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edited Sep 13 '13 at 15:38
answered Dec 28 '09 at 19:23
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What is Bit Masking?
I am fairly new to C programming, and I encountered bit masking. Can someone explain to me the general concept and function of bit masking? Examples are much appreciated.
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M_PI works with math.h but not with cmath in Visual Studio
I am using Visual Studio 2010. I have read that in C++ it is better to use <cmath> rather than <math.h> .
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Python extract pattern matches
...gt;> result.group(1) # group(1) will return the 1st capture (stuff within the brackets).
# group(0) will returned the entire matched text.
'my_user_name'
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Pass ruby script file to rails console
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Actually, the simplest way is to run it with load inside the rails console
load './path/to/foo.rb'
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How do I dump an object's fields to the console?
...ayed, rather than rely on default output. A lot of classes don't implement it well, but it can be really useful when debugging. Ruby will fall back to to_s if it can't find an inspect` method.
– the Tin Man
Nov 27 '10 at 21:45
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