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How can I see normal print output created during pytest run?
...rty py.test plugin (...that I know of, anyway) supports teeing – despite Python trivially supporting teeing out-of-the-box.
Monkey-patching py.test to do anything unsupported is non-trivial. Why? Because:
Most py.test functionality is locked behind a private _pytest package not intended to be e...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...jects, there is no need for copying because the data will never change, so Python uses the same data; ids are always the same. For mutable objects, since they can potentially change, [shallow] copy creates a new object.
Deep copy is related to nested structures. If you have list of lists, then deep...
Changing the “tick frequency” on x or y axis in matplotlib?
I am trying to fix how python plots my data.
11 Answers
11
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What is BSON and exactly how is it different from JSON?
...va.util.Date. Transmitting BSON looks like this in, for example, Java and python:
Java:
import org.bson.*;
MyObject --> get() from MyObject, set() into org.bson.Document --> org.bson.standardCodec.encode(Document) to byte[]
XMIT byte[]
python:
import bson
byte[] --> bson.decode(byte[])...
How to assign the output of a command to a Makefile variable
I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5).
...
Saving interactive Matplotlib figures
...ckle
pickle.dump(fig, open('FigureObject.fig.pickle', 'wb')) # This is for Python 3 - py2 may need `file` instead of `open`
Later, open the figure and the tweaks should be saved and GUI interactivity should be present:
import pickle
figx = pickle.load(open('FigureObject.fig.pickle', 'rb'))
figx....
Change column type from string to float in Pandas
...ul).
infer_objects() - a utility method to convert object columns holding Python objects to a pandas type if possible.
convert_dtypes() - convert DataFrame columns to the "best possible" dtype that supports pd.NA (pandas' object to indicate a missing value).
Read on for more detailed explanatio...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...部分中讲述。
注释。Makefile中只有行注释，和UNIX的Shell脚本一样，其注释是用“#”字符，这个就像C/C++中的“//”一样。如果你要在你的Makefile中使用“#”字符，可以用反斜框进行转义，如：“\#”。
最后，还值得一提...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...部分中讲述。
注释。Makefile中只有行注释，和UNIX的Shell脚本一样，其注释是用“#”字符，这个就像C/C++中的“//”一样。如果你要在你的Makefile中使用“#”字符，可以用反斜框进行转义，如：“\#”。
最后，还值得一提...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...部分中讲述。
注释。Makefile中只有行注释，和UNIX的Shell脚本一样，其注释是用“#”字符，这个就像C/C++中的“//”一样。如果你要在你的Makefile中使用“#”字符，可以用反斜框进行转义，如：“\#”。
最后，还值得一提...