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How do you write a migration to rename an ActiveRecord model and its table in Rails?
I'm terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
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How do I get currency exchange rates via an API such as Google Finance? [closed]
Now, I did find the Google Finance API and started looking through that but I found a lot of info about portfolios, transactions, positions & other stuff I know nothing about.
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What is a difference between
What is the difference between <? super E> and <? extends E> ?
9 Answers
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Show filename and line number in grep output
... to search my rails directory using grep. I am looking for a specific word and I want to grep to print out the file name and line number.
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Removing an element from an Array (Java) [duplicate]
Is there any fast (and nice looking) way to remove an element from an array in Java?
15 Answers
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Convert string to variable name in python [duplicate]
...mically create a variable, this is not the way to do it; just use setattr. And even when setattr is inappropriate for whatever reason, being explicit and modifying locals or globals as appropriate is still better than exec.
– abarnert
Oct 1 '13 at 17:57
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How to build & install GLFW 3 and use it in a Linux project
...g time, about 3 hours in total, partly because I am unfamiliar with CMake, and partly because I am was unfamiliar with GLFW.
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Confused by python file mode “w+”
... forget this, the f.read() call will try to read from the end of the file, and will return an empty string.
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How to Empty Caches and Clean All Targets Xcode 4 and later
...ode Includes .xib files that have been deleted! that cleaning all targets and empty the caches will fix the problem with Xcode including deleted .xib files but I cannot find a way to empty the cache in Xcode 4.
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Angular ng-repeat Error “Duplicates in a repeater are not allowed.”
...'s part. It would be very, very easy to miss this issue during development and testing because your array never contained duplicates, only to have your app explode in production when it gets exposed to dupes for the first time. I've built Angular apps before without knowing about the "no dupes" rest...