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Is there a documented way to set the iPhone orientation?

...ke sense in Landscape mode, so as I swapping the views out I would like to force the rotation to be set to portrait. 17 Ans...
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Could not execute editor

I don't often have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then ...
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How do I verify/check/test/validate my SSH passphrase?

I think I forgot the passphrase for my SSH key, but I have a hunch what it might be. How do I check if I'm right? 5 Answer...
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What exactly is nullptr?

We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr . 14 Answe...
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How to print out the method name and line number and conditionally disable NSLog?

...'m doing a presentation on debugging in Xcode and would like to get more information on using NSLog efficiently. 13 Answers...
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Git submodule head 'reference is not a tree' error

...o an invalid commit: the submodule commit remained local and when I try to fetch it from another repo I get: 13 Answers ...
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How to search for a string in text files?

I want to check if a string is in a text file. If it is, do X. If it's not, do Y. However, this code always returns True for some reason. Can anyone see what is wrong? ...
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Reorder levels of a factor without changing order of values

I have data frame with some numerical variables and some categorical factor variables. The order of levels for those factors is not the way I want them to be. ...
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How to scale down a range of numbers with a known min and max value

So I am trying to figure out how to take a range of numbers and scale the values down to fit a range. The reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find t...
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Easily measure elapsed time

I am trying to use time() to measure various points of my program. 26 Answers 26 ...