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Ruby on Rails Callback, what is difference between :before_save and :before_create?
Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ?
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typedef fixed length array
I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
Favorite way to create an new IEnumerable sequence from a single value?
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Difference between OperationCanceledException and TaskCanceledException?
What is the difference between OperationCanceledException and TaskCanceledException ? If I am using .NET 4.5 and using the async / await keywords, which one should I be looking to catch?
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How to copy a directory structure but only include certain files (using windows batch files)
As the title says, how can I recursively copy a directory structure but only include some files. E.g given the following directory structure:
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Removing ul indentation with CSS
I cannot seem to remove the indent from my unordered list when long lines in my list wrap around. Here is what my list looks like:
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Remove multiple attributes with jQuery's removeAttr
I have the following code.
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Scala underscore - ERROR: missing parameter type for expanded function
I know there have been quite a few questions on this, but I've created a simple example that I thought should work,but still does not and I'm not sure I understand why
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