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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is ...
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The written versions of the logical operators

... answered Mar 4 '10 at 2:11 GManNickGGManNickG 444k4747 gold badges454454 silver badges531531 bronze badges ...
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How to get the absolute coordinates of a view

...as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this? 11 Answer...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

...for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent? ...
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What is the optimal Jewish toenail cutting algorithm?

...e. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences. Python example: #seq is only valid when consecutive elements in the list differ by at least two. def isValid(seq): for i in range(len(seq)-1): a = seq[i] b = seq[i+1] i...
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When to use in vs ref vs out

... 404 You should use out unless you need ref. It makes a big difference when the data needs to be ma...
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C++ display stack trace on exception

... answered Mar 27 '09 at 22:55 Andrew GrantAndrew Grant 55.8k2222 gold badges126126 silver badges139139 bronze badges ...
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Crop MP3 to first 30 seconds

...and it also takes longer to do. Here's a command line that will slice to 30 seconds without transcoding: ffmpeg -t 30 -i inputfile.mp3 -acodec copy outputfile.mp3 The -acodec switch tells ffmpeg to use the special "copy" codec which does not transcode. It is lightning fast. NOTE: the command w...
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Capitalize first letter. MySQL

... | edited Nov 24 '10 at 3:56 answered Nov 24 '10 at 3:45 ...
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Determine if 2 lists have the same elements, regardless of order? [duplicate]

... answered Jan 15 '12 at 0:40 phihagphihag 239k6060 gold badges406406 silver badges444444 bronze badges ...