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Rename multiple files in a directory in Python [duplicate]

...e script itself. Instead of using . as the dir, you could make a variable called dir and use that, then prepend dir to the filename. – styfle May 18 '11 at 5:53 18 ...
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

... = "function-name"; appeared, where function-name is the name of the lexically-enclosing function. This name is the unadorned name of the function. Note that it is not a macro and it has no special meaning during preprocessing. __func__ was added to C++ in C++11, where it is specified as containi...
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How do I get Flask to run on port 80?

...roxy HTTP traffic through apache2 to Flask. This way, apache2 can handle all your static files (which it's very good at - much better than the debug server built into Flask) and act as a reverse proxy for your dynamic content, passing those requests to Flask. Here's a link to the official documen...
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What does “program to interfaces, not implementations” mean?

...t worried about implementation and the interface signature determines what all operations can be done. This can be used to change the behavior of a program at run-time. It also helps you to write far better programs from the maintenance point of view. Here's a basic example for you. public enum La...
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛,有思想、有深度

文章源自:http://doc.iotxx.com/index.php?title=BLE技术揭秘 BLE技术揭秘 BLE是低功耗蓝牙的英文缩写(Bluetooth Low Energy),是蓝牙4.0版本起开始支持的新的、低功耗版本的蓝牙技术规范。蓝牙技术联盟(Bluetooth SIG)在2010年发布了跨...
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?

... i also used jQuery to .clone() the table, once it has been generated by php+MySQL+ajax, and insert it into a cleaned out div... – Peter Mar 6 '18 at 22:27 ...
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Getting MAC Address

... says that it will return a random long if it fails to detect the mac: "If all attempts to obtain the hardware address fail, we choose a random 48-bit number with its eighth bit set to 1 as recommended in RFC 4122." So check that eighth bit! – deinonychusaur Fe...
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Empty set literal?

... Actually, set literals have been backported to Python 2.7, so they are not only available strictly in Python 3. – Jim Brissom May 25 '11 at 20:56 ...
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How do I detect whether a Python variable is a function?

... If this is for Python 2.x or for Python 3.2+, you can also use callable(). It used to be deprecated, but is now undeprecated, so you can use it again. You can read the discussion here: http://bugs.python.org/issue10518. You can do this with: callable(obj) If this is for Python 3.x but ...
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Useful code which uses reduce()? [closed]

...found for it besides + and * were with and and or, but now we have any and all to replace those cases. foldl and foldr do come up in Scheme a lot... Here's some cute usages: Flatten a list Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8]. reduce(list.__add__, [[1, 2, 3]...