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How to log something in Rails in an independent log file?

... If you want to change all the default logging for that specific model, you can simply use User.logger = Logger.new(STDOUT) or wherever you want to log to. In the same way, ActiveRecord::Base.logger = Logger.new(STDOUT) will change all the logging ...
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Naming convention for Scala constants?

... The officially recommended style (and I do mean officially) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala. The style is also followed by the standard library...
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How to change the text of a label?

...d child pages. How I write in child pages. I write $('#contentPlaceHolderId_LabelID') it not works. I also change th ClientMode to Static but no work. Please help. – Salman Mushtaq Feb 17 '16 at 12:52 ...
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What is a “translation unit” in C++

... A translation unit is for all intents and purposes a file (.c/.cpp), after it's finished including all of the header files. http://msdn.microsoft.com/en-us/library/bxss3ska%28VS.80%29.aspx ...
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Make a negative number positive

... Note the edge cases, e.g. Math.abs(Integer.MIN_VALUE) = Integer.MIN_VALUE. – Zach Scrivena Jan 30 '09 at 0:24 ...
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What exactly is LLVM?

I keep hearing about LLVM all the time. It's in Perl, then it's in Haskell, then someone uses it in some other language? What is it? ...
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?

... I answered my first comment elsewhere, basically hex-code 0x15 gives Ctrl+U which clears the line. However I am finding 0x01 Ctrl+A to interfere with Tmux usage. Therefore I intend to map it instead to the Home key (same functionality as Fn+Left on a Mac keyboard). ...
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Do DOM tree elements with ids become global variables?

...ts’ are added as apparent properties of the document object. This is a really bad idea, as it allows element names to clash with real properties of document. IE made the situation worse by also adding named elements as properties of the window object. This is doubly bad in that now you have to av...
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Which is the fastest algorithm to find prime numbers?

... Actually I don't think primegen is the fastest, or even the second-fastest; yafu and primesieve are both faster in general, I think, and certainly over 2^32. Both are (modified) sieves of Eratosthenes rather than the Atkin-Berns...
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What is the easiest way to duplicate an activerecord record?

...ID. Note that it does not copy associations, so you'll have to do this manually if you need to. Rails 3.1 clone is a shallow copy, use dup instead... share | improve this answer | ...