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I'm making a POS system using Tkinter for my Computing Programming Project and for the program analysis we have to talk about the proposed solution and how we'll go about carrying out the program. For this, it's recommended to talk about system requirements needed to run the program but I'm not very experienced in talking about system requirements so I'm not sure what numbers to mention in terms of RAM, CPU, storage, etc.
Could you give me some basic numbers that you'd expect a computer to have in order to run a POS program similar to this one?
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Let's say I run multiple Python scripts in one shell, each at the same time or using cron in the same hour, and let's assume each script makes a different HTTP request. Can the OS do the HTTP in an asynchronous way or the computer will wait until one request is finished to start another?
I tried this and apparently worked, but I want to know how.
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I am learning Python and occasionally hear the term "Tcl wrapper" thrown around and have absolutely no idea what it means.
Can anyone explain a "Tcl wrapper" is/does?
Thanks
Tcl is a full-fledged language in its own right.
Python uses Tcl/Tk for the graphical user interface,
tkinter. In this case python is a wrapper around Tcl/Tk.
Depending on the context, a Tcl wrapper could be a Tcl language wrapper
around another language, a wrapper around another API, or in the case
of Python, a wrapper around Tcl's API.
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I am trying to run various codes I found in the internet with pysc2 Starcraft DeepMind AI agents. I often run into KeyError: 'SOME-VALUE-HERE' invoked by obs.observation["SOME-VALUE-HERE"].
For example this agent and this agent crash on KeyError: 'minimap' invoked by obs.observation['minimap'].
Other example is KeyError: 'screen' invoked by observation["screen"] when running Siraj Raval's enjoy_mineral_shards script.
It is very frustrating as I have not found anybody else running to this error and I really struggle with debugging in pysc2 environment. Any help?
The codes were run with pysc2 version 2.0.1. One needs to downgrade to version 1.2 (relevant for mentioned examples).
pip install pysc2==1.2
(many thanks to discordapp Starcraft 2 AI community).
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Closed 9 years ago.
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We're doing a school project creating student databases for teachers, and we'd like to make it more secure by making the folder containing the student files accessible only by the program. Is this possible, or is it unnecessary?
The answer is: It depends ;).
To be more specific: It depends on your operating system and the rights management you are having there.
e.g. on UNIX, you could create dedicated user account which is used to run your programm and allow rw-access to the files/folders only to this user.
On Windows, it will be more difficult.
In general, you should try to get a feeling about how possible attacs might be performed (USB-stick, login via internet / intranet, bribing someone, ...), then consider the likelyhood and perform good countermeasures against this attack.
Personally, I prefer
Backups located at more then one place
Good access logging
threatening with legal actions
And, most important: strong passwords!!!
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I want to create a functional POS system with python, I just don't know where to begin. I am fluent in the language, but I have never done any web development with python. Can someone point me in the right direction, how to incorporate python into html and mysql?
Not sure what POS means, is that Point of Sale?
For web development, people in Python land tend to go with Django and Flask as they are the most popular.
https://www.djangoproject.com/
and
http://flask.pocoo.org/