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Matplotlib - global legend and title aside subplots

...atplotlib.pyplot as plt fig = plt.gcf() fig.suptitle("Title centered above all subplots", fontsize=14) Alternatively (based on @Steven C. Howell's comment below (thank you!)), use the matplotlib.pyplot.suptitle() function: import matplotlib.pyplot as plt # plot stuff # ... plt.suptitle("Title...
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Is there a unique Android device ID?

...at Anthony's answer. Full disclosure: my app used the below approach originally but no longer uses this approach, and we now use the approach outlined in the Android Developer Blog entry that emmby's answer links to (namely, generating and saving a UUID#randomUUID()). There are many answers to this...
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Why do I need 'b' to encode a string with Base64?

...-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email. Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax. If you remove the b, it becomes a string. A string is a sequence of Unicode characters. base64 ha...
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Color in git-log

...ate config. But the git log --format don't offer a way to display specifically the HEAD or remotes or branch: all three are displayed through %d, with one color possible. Update May 2013, as mentioned below by Elad Shahar (upvoted), git 1.8.3 offers one more option: git log –format now spo...
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What XML parser should I use in C++? [closed]

... process XML. Not toy XML, real XML. You need to be able to read and write all of the XML specification, not just the low-lying, easy-to-parse bits. You need Namespaces, DocTypes, entity substitution, the works. The W3C XML Specification, in its entirety. The next question is: Does your API need to ...
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Determine if a String is an Integer in Java [duplicate]

... The most naive way would be to iterate over the String and make sure all the elements are valid digits for the given radix. This is about as efficient as it could possibly get, since you must look at each element at least once. I suppose we could micro-optimize it based on the radix, but for a...
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Boolean operators && and ||

...es the longer form "appropriate for programming control-flow and [is] typically preferred in if clauses." So you want to use the long forms only when you are certain the vectors are length one. You should be absolutely certain your vectors are only length 1, such as in cases where they are funct...
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Which kind of pointer do I use when?

Ok, so the last time I wrote C++ for a living, std::auto_ptr was all the std lib had available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all ...
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Maven and adding JARs to system scope

...ption) specify the proper repository (if one exists) so it can be automatically downloaded by maven In either case, remove the <systemPath> tag from the dependency share | improve this answer...
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Big O, how do you calculate/approximate it?

..., but be warned that this topic takes my students a couple of months to finally grasp. You can find more information on the Chapter 2 of the Data Structures and Algorithms in Java book. There is no mechanical procedure that can be used to get the BigOh. As a "cookbook", to obtain the BigOh from ...