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Rails “validates_uniqueness_of” Case Sensitivity
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validates_uniqueness_of :nam>me m>, :case_sensitive => false does the trick, but you should keep in mind that validates_uniqueness_of does not guarantee uniqueness if you have multiple servers/server processes (e.g. running Phusion Passenger, multiple Mo...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
In Java you can suspend the current thread's execution for an amount of tim>me m> using Thread.sleep() . Is there som>me m>thing like this in Objective-C?
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What is the difference between .map, .every, and .forEach?
... wondered what the difference between them were. They all seem to do the sam>me m> thing...
4 Answers
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What is the template binding vs binding?
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TemplateBinding is used for binding to the elem>me m>nt properties within the template definition. In your example, you could have written
<Border Padding="{Binding Padding}" ...>
m>me m>aning to bind the border's padding property to the padding property of... what? You...
std::string length() and size() m>me m>mber functions
...reading the answers for this question and found that there is actually a m>me m>thod called length() for std::string (I always used size() ). Is there any specific reason for having this m>me m>thod in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is no dif...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
This question has bothered m>me m> for a million years... whenever I create a website with a textarea that allows multi-line (such as a "Bio" for a user's profile) I always end up writing the following paranoid code:
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Testing Abstract Classes
How do I test the concrete m>me m>thods of an abstract class with PHPUnit?
6 Answers
6
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Can Eclipse refresh resources automatically?
... answered May 18 '11 at 18:19
Jam>me m>s BlackburnJam>me m>s Blackburn
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Is it a good idea to index datetim>me m> field in mysql?
...rently have one table with 4 million records. Most of my queries use datetim>me m> clause to select data. Is it a good idea to index datetim>me m> fields in mysql database?
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How do I pass multiple param>me m>ters in Objective-C?
I have read several of the post about Objective-C m>me m>thod syntax but I guess I don't understand multiple nam>me m>s for a m>me m>thod.
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