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Python packaging - Top level import behaving strangely


Python packaging - Top level import behaving strangely

By : Zamir Badua
Date : November 22 2020, 10:31 AM
I hope this helps . You have the parent directory of code listed on sys.path, but you need to have the code directory *itselfadded tosys.path`.
In other words, you need to have /full/path/for/code in sys.path, not just /full/path/for.
code :


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ctypes behaving strangely in Python interpreter

ctypes behaving strangely in Python interpreter


By : user2247568
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I am having a funny issue with ctypes; while it seems to work in regular python scripts, when I use it in the interpreter with printf() it prints the length of the string after the string itself. A demo: , From the printf(3) man page:
code :
ret = libc.printf("Test\n")
Python 2-dimensional array is behaving strangely

Python 2-dimensional array is behaving strangely


By : VasuG
Date : March 29 2020, 07:55 AM
hope this fix your issue Your problem is that when you call filledArray(initHeight, filledArray(initWidth, 0)) the second argument is passed by reference (this is always the case with python objects). Inside filledArray you need to make a copy of value for each. This will require adding a little bit of additional logic to your function, something along the lines of:
code :
if type(value) == list:
   value = list(value)
type(value)(value)
Python gravity simulator behaving strangely

Python gravity simulator behaving strangely


By : August Nam-Ki Ek
Date : March 29 2020, 07:55 AM
wish helps you I've had this problem before too. If you just go directly to Runge-Kutta, everything will sort itself out. This pdf will explain how to incorporate the method: http://spiff.rit.edu/richmond/nbody/OrbitRungeKutta4.pdf. Good luck!
append() function in python behaving strangely

append() function in python behaving strangely


By : ricnef2121
Date : March 29 2020, 07:55 AM
it should still fix some issue Every time you append position to the list, you only add a reference, not a copy. When then printing mylist you are seeing the same shared list being printed several times.
Create a copy when appending with the slice syntax:
code :
mylist.append(position[:])
Python local variables behaving strangely

Python local variables behaving strangely


By : Beibei
Date : March 29 2020, 07:55 AM
To fix the issue you can do Consider the following code: , You need to use the nonlocal keyword:
code :
def g():
    a = {}
    b = 0
    def f():
        nonlocal b
        a[0] = b
        b+=1
    f()
    print(a)
    return a
a = g()
print(a)
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