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How to define custom configuration variables in rails

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Override setter with arc

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How to calculate time in hours between two dates in iOS

...weenDates = [date1 timeIntervalSinceDate:date2]; double secondsInAnHour = 3600; NSInteger hoursBetweenDates = distanceBetweenDates / secondsInAnHour; See, the apple reference library http://developer.apple.com/library/mac/navigation/ or if you are using Xcode just select help/documentation from ...
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How to make graphics with transparent background in R using ggplot2?

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Create a new workspace in Eclipse

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View all TODO items in Visual Studio using GhostDoc

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How to make Git pull use rebase by default for all my repositories?

... There are now 3 different levels of configuration for default pull behaviour. From most general to most fine grained they are: 1. pull.rebase Setting this to true means that git pull is always equivalent to git pull --rebase (unless bran...
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What is the way to quick-switch between tabs in Xcode 4

... Ben Clayton 73.4k2424 gold badges115115 silver badges124124 bronze badges answered Jun 27 '11 at 9:43 gsempegsempe...
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How do I parse JSON with Objective-C?

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Rename Pandas DataFrame Index

... 243 The rename method takes a dictionary for the index which applies to index values. You want to re...