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Ruby on Rails: Delete multiple hash keys

...re unaware of the Hash#except method ActiveSupport adds to Hash. It would allow your code to be simplified to: redirect_to my_path(params.except(:controller, :action, :other_key)) Also, you wouldn't have to monkey patch, since the Rails team did it for you! ...
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android studio 0.4.2: Gradle project sync failed error

...e folder in the user home directory Restart Android Studio let it download all the Gradle stuff it needs Gradle build success ! Rebuild project.... success ! Out of curiousity I compared the structure of the old .gradle and the new one... they were pretty different ! So I'll see how 0.4.2 goes :...
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Unresolved reference issue in PyCharm

... Manually adding it as you have done is indeed one way of doing this, but there is a simpler method, and that is by simply telling pycharm that you want to add the src folder as a source root, and then adding the sources root to y...
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Preserving order with LINQ

... Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5} – Marc Gravell♦ Oct 15 '08 at 14:33 ...
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How do I time a method's execution in Java?

... actually, its "new-fashioned" because you used nanoTime, which wasn't added until java5 – John Gardner Oct 7 '08 at 22:26 ...
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Convert a list of data frames into one data frame

I have code that at one place ends up with a list of data frames which I really want to convert to a single big data frame. ...
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Standardize data columns in R

I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages. 15 ...
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C# Float expression: strange behavior when casting the result float to int

... First of all, I assume that you know that 6.2f * 10 is not exactly 62 due to floating point rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identic...
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Where to store global constants in an iOS application?

...sets of constants to include before #include-ing the constants file (stops all those "defined but not used" compiler warnings). – user244343 Aug 19 '11 at 2:26 ...
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How to autosize a textarea using Prototype?

...nal sales application for the company I work for, and I've got a form that allows the user to change the delivery address. ...