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Can't update Macports (with Mac OS X Mavericks)

... Install the "Command Line Tools" first: sudo xcode-select --install (Explicitly agreeing to the license is sometimes necessary via "sudo xcodebuild -license") Then upgrade the ports: sudo port -v selfupdate ...
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]

...t? (iCloud looks to be just a data storage service, rather than a service allowing remote login, etc.) 5 Answers ...
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How to make an app's background image repeat

I have set a background image in my app, but the background image is small and I want it to be repeated and fill in the whole screen. What should I do? ...
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Java: int array initializes with nonzero elements

...here it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception: ...
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Difference between File.separator and slash in paths

...ies for dealing with files, you can safely use / (slash, not backslash) on all platforms. The library code handles translating things into platform-specific paths internally. You might want to use File.separator in UI, however, because it's best to show people what will make sense in their OS, rath...
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How can I recover the return value of a function passed to multiprocessing.Process?

... need to know which process is returning which value. If that what you actually need to know about the process, or do you need to correlate between your list of inputs and the list of outputs? In that case, I would recommend using multiprocessing.Pool.map to process your list of work items. ...
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found

... I'm compiling gcc 4.6 from source, and apparently sudo make install didn't catch this one. I dug around and found gcc/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so.6.0.15 I copied it in to /usr/lib and redirected libstdc++.so.6 to point to the new one, and now e...
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Can you make valid Makefiles without tab characters?

... 2. The tab character is a very important part of the syntax of Makefiles. All command lines (the lines beginning with cc in our example) must start with tabs. After he made his change, line 2 didn’t, hence the error. “So what?” you ask, “What’s wrong with that?” There is nothi...
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Tool for adding license headers to source files? [closed]

...tures: handles UTF headers (important for most IDEs) recursively updates all files in target directory passing given mask (modify the .endswith parameter for the filemask of your language (.c, .java, ..etc) ability to overwrite previous copyright text (provide old copyright parameter to do this) o...
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What's the maximum value for an int in PHP?

Ignoring the special libraries that allow you to work with very big numbers, what's the largest int value you can store in PHP? ...