python
The most Pythonic way of checking if a value in a dictionary is defined/has zero length
Say I have a dictionary, and I want to check if a key is mapped to a nonempty value.One way of doing this would be the len function:[详细]
2023-04-13 06:34 分类:问答Twistar ORM refresh function
Maybe I did not understand, but I can not update the object. The procedure is as follows: I do SELECT (find()), get the object.[详细]
2023-04-13 06:29 分类:问答How to reinitialise an embedded Python interpreter?
I\'m working on embedding Python in our test suite application. The purpose is to use Python to run several tests scripts to collect data and make a report of tests. Multiple test scripts for one test[详细]
2023-04-13 06:28 分类:问答Python model object validation
I\'m writing an interface to be used by two applications. This interface should use some DoSomethingRequest and DoSomethingResponse classes to do the communication.[详细]
2023-04-13 06:27 分类:问答Is it possible to end a python module import with something like a return?
I would like to know if there is a way of writing the below module code without having to add another indentation level the whole module code.[详细]
2023-04-13 06:27 分类:问答Where does the 'self' come from? Putting a member function as target for threading.Thread
in the following code class foo: def __init__(self,x): self.x = x def do(self): print(self.x) foo1 = foo(1)[详细]
2023-04-13 06:18 分类:问答Python String Slicing Stride Clarification
So I don\'t really get the deal with the stride parameter in slicing. For example开发者_开发问答, \"123456\"[::-2] produces \"642\", but why does \"123456\"[1::-2] produce \"2\" and \"123456\"[2::-2][详细]
2023-04-13 06:10 分类:问答how to convert wav file to float amplitude
so I asked everything in the title: I have a 开发者_如何学Pythonwav file (written by PyAudio from an input audio) and I want to convert it in float data corresponding of the sound level (amplitude) t[详细]
2023-04-13 05:59 分类:问答in Python and linux how to get given user's id [duplicate]
This question already has an answer here: Python: find开发者_如何学Pythoning uid/gid for a given username/groupname (for os.chown)[详细]
2023-04-13 05:57 分类:问答Bash redirection encoding error
I\'m redirecting the stdio of a server written in Python to a file: python server.py &> file The input is transmitted via a client.py which uses the XMLRPC library.[详细]
2023-04-13 05:55 分类:问答