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Valid to use (anchor tag) without href attribute?
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248
The <a>nchor element is simply an anchor to or from some content. Originally the HTML sp...
Rails “validates_uniqueness_of” Case Sensitivity
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232
validates_uniqueness_of :name, :case_sensitive => false does the trick, but you should keep...
Understanding the Gemfile.lock file
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edited Jun 20 at 9:12
Community♦
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answered Sep 22 '11 at 16:27
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Get Slightly Lighter and Darker Color from UIColor
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280
- (UIColor *)lighterColorForColor:(UIColor *)c
{
CGFloat r, g, b, a;
if ([c getRed:&am...
How to print out the contents of a vector?
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edited Sep 4 at 12:41
answered May 25 '12 at 17:25
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What is the difference between min SDK version/target SDK version vs. compile SDK version?
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242
The min sdk version is the earliest release of the Android SDK that your application can run o...
Difference between CTE and SubQuery?
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answered Apr 1 '09 at 19:21
Marc Gravell♦Marc Gravell
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Finding the direction of scrolling in a UIScrollView?
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23 Answers
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What is the purpose of a question mark after a type (for example: int? myVariable)?
...alue type, plus an additional null value. For example, a
Nullable<Int32>, pronounced "Nullable of Int32," can be assigned any
value from -2147483648 to 2147483647, or it can be assigned the null
value. A Nullable<bool> can be assigned the values true, false, or
null. The ability ...
How to replace spaces in file names using a bash script
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323
Use rename (aka prename) which is a Perl script which may be on your system already. Do it in t...