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Rails mapping array of hashes onto single hash
I have an array of hashes like so:
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Why do indexes in XPath start with 1 and not 0?
Some colleagues and I were comparing past languages we had programmed in and were talking about our experience with VBScript with its odd features such as 1-based index instead of 0-based indexes like almost every other language has, the reasoning being that it was a language for users (e.g....
Is there a way to list open transactions on SQL Server 2000 database?
Does anyone know of any way to list open transactions on SQL Server 2000 database?
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How is the “greater than” or “>” character used in CSS?
I have seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier?
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How to create duplicate allowed attributes
I'm using a custom attribute inherited from an attribute class. I'm using it like this:
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Run a callback only if an attribute has changed in Rails
I have the following association in my app:
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What does SQL clause “GROUP BY 1” mean?
Someone sent me a SQL query where the GROUP BY clause consisted of the statement: GROUP BY 1 .
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mysql check collation of a table
How can I see what collation a table has? I.E. I want to see:
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How to get the anchor from the URL using jQuery?
I have a URL that is like:
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How to manually deprecate members
Unlike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class?
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