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Dynamically updating plot in matplotlib

...out the more modern animation examples in the matplotlib documentation. Finally, the animation API defines a function FuncAnimation which animates a function in time. This function could just be the function you use to acquire your data. Each method basically sets the data property of the object be...
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How to create a DataTable in C# and how to add rows?

...ma/structure, do: dt.WriteXMLSchema("dtSchemaOrStructure.xml"); Additionally, you can also export your data: dt.WriteXML("dtDataxml"); share | improve this answer | foll...
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How do I design a class in Python?

I've had some really awesome help on my previous questions for detecting paws and toes within a paw , but all these solutions only work for one measurement at a time. ...
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How do you get the logical xor of two variables in Python?

...e not comparing apples to oranges, is "if xor( isApple(x), isApple(y) )" really clearer than "if isApple(x) != isApple(y)" ? Not to me! – AmigoNico May 21 '12 at 18:27 109 ...
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How do I add custom field to Python log format string?

...LoggerAdapter so you don't have to pass the extra info with every logging call: import logging extra = {'app_name':'Super App'} logger = logging.getLogger(__name__) syslog = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s') syslog.setFormatter(formatte...
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Is there a NumPy function to return the first index of something in an array?

...: itemindex = numpy.where(array==item) The result is a tuple with first all the row indices, then all the column indices. For example, if an array is two dimensions and it contained your item at two locations then array[itemindex[0][0]][itemindex[1][0]] would be equal to your item and so woul...
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How to build for armv6 and armv7 architectures with iOS 5

... had to make some modifications so it would work correctly under iOS5, but all those changes were done with iOS4-friendly code changes. We also added some iOS5-specific capabilities in a manner that allows the app to run without crashing under iOS4. Specifically, we tested for iOS5 capabilities bef...
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Manually raising (throwing) an exception in Python

... How do I manually throw/raise an exception in Python? Use the most specific Exception constructor that semantically fits your issue. Be specific in your message, e.g.: raise ValueError('A very specific bad thing happened.') Don't ...
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解决:error while loading shared libraries: libpcre.so.1: cannot open ...

... (0x00282000) /lib/ld-linux.so.2 (0x0010d000) 查找lib库文件位置(可以使用命令 whereis xxx ),并把目录添加到/etc/ld.so.conf.d/libc.conf中,没有则新建这个文件。然后再运行ldconfig才可以生效。 解决:用以下shell命令解决:(用roo...
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Reverse a string in Python

... @Tanner [::-1] is fastest because it does not call any external functions, rather it's using slicing, which is highly-optimized in python. ''.join(list(reversed(s))) makes 3 function calls. – hd1 Apr 27 at 13:51 ...