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Tag: runtime-error

What is the difference between Swift 2.0 do-try-catch and regular Java/C#/C++ exceptions

January 15, 2021 Odhran Miss

Question or problem in the Swift programming language: It seems that Swift 2.0 has changed from traditional ObjC (NSError returning) and Swift 1.X (Success/Failure optionals) conventions of runtime error handling, to something that looks very similar to exception handling in languages like Java/C#/C++/etc.

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Python Programming

What does `__import__(‘pkg_resources’).declare_namespace(__name__)` do?

January 7, 2021 Ollie MC

Question or problem about Python programming: In some __init__.py files of modules I saw such single line:

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12 useful Terminal commands on Mac

Swift: Overriding Self-requirement is allowed, but causes runtime error. Why?

January 4, 2021 Andrew Rocky

Question or problem in the Swift programming language: I just started to learn Swift (v. 2.x) because I’m curious how the new features play out, especially the protocols with Self-requirements.

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“An error occurred while accessing the keychain” when signing in using Firebase

January 1, 2021 Odhran Miss

Question or problem in the Swift programming language: Background:

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Python Programming

Matplotlib-Animation “No MovieWriters Available”

December 31, 2020 James Cameron

Question or problem about Python programming: Under Linux, I’ve been checking out matplotlib’s animation class, and it seems to work except that I cant initialise the movie writer to write out the movie.

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Trying to use Pyglet – what does this error mean?

December 24, 2020 Abreonia Ng

Question or issue on macOS: I am running Mac OS X Mountain Lion, with Python 2.7. I did a source install of Pyglet that seemed to go without errors, but any time I try to run a program I get a longish error that I don’t understand. It sounds like it has something to do […]

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Why is my JVM doing some runtime loop optimization and making my code buggy?

December 22, 2020 Jeffrey Schneider

Question or issue on macOS: Consider the following java code:

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Python: changing methods and attributes at runtime

December 7, 2020 Ollie MC

Question or problem about Python programming: I wish to create a class in Python that I can add and remove attributes and methods. How can I acomplish that?

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Swift: App terminating due to uncaught exception ‘NSUnknownKeyException’

December 1, 2020 Ollie MC

Question or problem in the Swift programming language: I’m developing a simple game and I am having trouble when a particular UIViewController (called SPSwipes.swift) is loaded. On the screen, there are three buttons: 5, 10, and 25. When one is picked, a variable is set in that scene and the player moves on to the […]

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how to “reimport” module to python then code be changed after import

November 30, 2020 Jeffrey Schneider

Question or problem about Python programming: I have a foo.py

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