prototype.py | Prototype Inheritance in Python | Unit Testing library
kandi X-RAY | prototype.py Summary
kandi X-RAY | prototype.py Summary
prototype.py implements Javascript-like prototype inheritance in Python. See doc.py for usage.
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- Class decorator
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prototype.py Key Features
prototype.py Examples and Code Snippets
Community Discussions
Trending Discussions on prototype.py
QUESTION
I'm observing a strange ctypes related behaviour in the following test program:
...ANSWER
Answered 2020-Dec-17 at 17:51ctypes.c_char_p
is automatically converted to Python bytes
. If you don't want the behavior, use either:
ctypes.POINTER(ctypes.c_char))
class PCHAR(ctypes.c_char_p): pass
(derivations suppress the behavior)
Note that an LP_c_char
doesn't have a .value
property, so I had to directly dereference the pointer to affect change in the value.
Also, be careful not to exceed the length of the mutable buffer passed in. I added length
as an additional parameter.
Example:
QUESTION
I was making a small (fake money) betting game to play with my friends during this cricket season. Below is the "prototype" of the application that I will create. While I am running it, some weird problems occur. I am attaching my code as well as the error that I am getting
...ANSWER
Answered 2020-Sep-22 at 15:26You are indexing a string variable initMoney
to get your starting money values (and also, you're indexing from 1, not zero, but that's a separate issue).
So initMoney[1]
ends up being "0"
(2nd character of initMoney
), all the way to initMoney[4]
which ends up being " "
.
QUESTION
I want to show randomly generated numbers on a kivy label which is similar to a countdown animation.
prototype.py (python file):
...ANSWER
Answered 2019-Aug-15 at 22:43Your loop in the do()
method is run on the main thread, which is the same thread that updates the GUI. Since it is a single thread, the GUI cannot be updated until your do()
method completes, which means that only the last random number gets displayed in the GUI.
To fix that, run that loop in a separate thread (see threading). And you will need to execute the self.ids.name.text = str(randnum)
back on the main thread (consider using Clock to accomplish that).
You will probably want to add a sleep in the loop, otherwise it will probably happen too fast to see the intermediate numbers.
QUESTION
It seems like an easy task, but there is a requirement that "--" is added to the command, to tell the program to pass the arguments to the script (and not process them). For example:
...ANSWER
Answered 2017-Jun-24 at 09:13You can make your own parser, by using iterators. This code will seperate your arguments into two dicts (before and after the --
):
QUESTION
Hello i am new to python programming. I am self learning by doing a project.
the code below is working fine, but i want to catch the exception if the condition is FALSE. i already have a statement to print if the directory is not there; and continue. I know i can make this code work by nesting the if statement.
but i dont want to do. i want to proceed to next line of code. when i run this as it is, i will get an error if the directory is missing.
...ANSWER
Answered 2017-Jun-23 at 08:26I GUESS you're looking for this:
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Install prototype.py
You can use prototype.py like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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