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Getting unique items from a list [duplicate]
What is the fastest / most efficient way of getting all the distinct items from a list?
5 Answers
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How to test if parameters exist in rails
I'm using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or not both parameters are set, the first part of the following if block gets triggered. How can I make this part ONLY get triggered if both params[:one] and params[:two] is set?
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SQL Case Sensitive String Compare
How do you compare strings so that the comparison is true only if the cases of each of the strings are equal as well. For example:
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Skip callbacks on Factory Girl and Rspec
I'm testing a model with an after create callback that I'd like to run only on some occasions while testing. How can I skip/run callbacks from a factory?
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Why does a return in `finally` override `try`?
How does a return statement inside a try/catch block work?
10 Answers
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Two way/reverse map [duplicate]
I'm doing this switchboard thing in python where I need to keep track of who's talking to whom, so if Alice --> Bob, then that implies that Bob --> Alice.
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Operator overloading in Java
Please can you tell me if it is possible to overload operators in Java? If it is used anywhere in Java could you please tell me about it.
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What is the best way to solve an Objective-C namespace collision?
Objective-C has no namespaces; it's much like C, everything is within one global namespace. Common practice is to prefix classes with initials, e.g. if you are working at IBM, you could prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to ...
Trigger a keypress/keydown/keyup event in JS/jQuery?
What is the best way to simulate a user entering text in a text input box in JS and/or jQuery?
9 Answers
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What is the best alternative IDE to Visual Studio [closed]
...izons and see what else there is on offer as an alternative to it. So what in your opinion is the best alternative to Visual Studio? Is there a viable alternative?
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