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I tried installing Python on an old computer running Windows 8[1]. I know for a fact that there was never any previous installation of Python on the machine. The installation appeared to be success...
In Python 3.12, I noticed that some libraries seem to be missing or "deprecated": >>> import asynchat Traceback (most recent call last): File "<stdin>", line 1, in <module>...
I installed Matplotlib and tried a simple demo, but I got a warning message and no plot showed up: >>> import matplotlib.pyplot as plt >>> plt.plot([1,2,3],[4,5,6]) [<matplo...
I understand the benefits of virtual environments in general, and specifically I want to use a virtual environment so that I'll have access to Pip without exposing the system Python (i.e., included...
I already know that the pip command might not correspond to the same Python that python runs. But in my case, it seems not to exist at all. I can't even run it as a Python module: $ python -m pip ...
Suppose I have some code in a file myscript.py like: def my_function(): print("Test") What steps do I need to take in order to make my_function run? That is to say: how do I get Python to ...
I tried installing package-installation-test[1] using Pip, and it appeared to be successful. But I can't use it as advertised, either by itself or by importing it from my code: Failed attempts ...
Recently, Python updated from 3.11 to 3.12 and now all my libraries are gone. Actually they're in the old 3.11 site-packages, but now that python points to 3.12 those are not active. Every time I r...
In many other programming languages, the execution of code starts in a specifically named function (such as main) which is expected to have a specific signature, which allows that function to recei...
I've seen many examples of Python scripts that include a line that says: if __name__ == '__main__': Sometimes the following block contains a bunch of code, but other times it just makes a singl...
I have multiple installations of Python on my machine. I already know how to choose one to use to run for my code - and therefore, I could also solve the problem for third-party application code. ...
Several times now, I've seen advice in tutorials, setup/install instructions for Python-based projects, etc. to use a virtual environment to keep things organized and make it simpler to manage the ...
I have multiple installations of Python on my machine. When I run Python, what determines which installation is used? How can I control this?
I know that I can make Python code run starting from the script, but this still requires the user to have Python installed (and will still rely on configuring the system so that it can find Python ...
C23 introduces the digit separator ' which can be placed anywhere inside an integer constant for the purpose of clarity and self-documenting code. These are otherwise ignored by the compiler when d...
I've installed Android Studio Jellyfish (snap) on an Ubuntu Fossa VM and was finally able to generate an apk for my project after struggling with Gradle, Java, plugins, etc. The device is detected...
I found a strange expression in some Python code: from library import HOME_DIRECTORY file = HOME_DIRECTORY / "file.json" It seems to be dividing a string by another string in order to do som...
How do I trim a sorted list in Python, so that I only keep the elements greater than a certain value? For example, if I have this list: l = [1, 3, 5, 6, 7, 8] How can I efficiently get a list of...
From PureScript's Data.Functor.Invariant documentation (emphasis mine): A type of functor that can be used to adapt the type of a wrapped function where the parameterised type occurs in both the...
At this point in my learning journey, I simply accepted that this function is called pure (both in Haskell and in PureScript), but it would have helped a lot if I had known the reasoning behind thi...
Is there some sane way to allow Python to import from subfolders in projects that don't have a package? I have many Python programs that I implemented as Python files inside a directory, without a...
Recently I had to push a new Docker image to our GitLab registry. I have the Maintainer role on that project. I had created a new token and used it to log in to Docker. However, when trying ...
First: What is an opaque pointer in C? Now when it comes to testing such a type, I know of 3 ways: Include the source file (the one containing the definition of the type and the functions tha...
Distroless images use a user called nonroot by convention. What's the UID (User ID) of this user? This is relevant in multi-stage image builds: FROM bash:latest as builder RUN adduser adduser ...
An Android 10 Alcatel 3T tablet (armeabi-v7a) i have laying around for testing suddenly stopped being able to install apks by clicking on them. I can install apps just fine via f-droid and adb inst...
> "lo" <> "fa" "lofa" > 1 <> 2 Error found: in module $PSCI at :1:1 - 1:7 (line 1, column 1 - line 1, column 7) No type class instance was found for ...
With Azure Data Factory I tried migrating from Azure Cosmos DB NoSQL to Azure Cosmos DB MongoDB. The export went fine from the NoSQL but the import to the MongoDB did not work. I got no reasonable ...
What exactly does the static keyword do in C? I have seen it used in several diverse contexts: 1) As a variable outside a function: #include <stdio.h> static int x = 5; int main (void) ...
I'm using the following syntax match to conceal 2 spaces at the end of a line with a special character. syntax match Normal '\s\{2}$' conceal cchar=⏎ A line with two spaces at the end of it wou...
In short, I want to access a multidimensional array, starting with an entry, say a 4D array called "new_array". new_array[0,1,2,3] and getting as an output the sliced arrays new_array[:,1,2,3],n...
A lot of people who maintain FOSS projects would like to get more contributions. What can the maintainer do to ensure that potential contributors are converted into actual contributors? There are...
How to check in Node.js if a file exists?
For example, how to sort the output below by the values in "Column" in the psql shell itself? my_db=> \d auth_user Table "public.auth_user" Column ...
Is there a standard way to add an IDistributedCached in front of a database using EntityFramework? Something that handles checking the cache for reads, updating the cache on writes, and uses distri...
I am fairly certain this isn't a duplicate so please bear with me. I check for boolean true||false using if() as a matter of course in my programming. I've programmed extensively in PHP, some in C...
I was playing around with mapped tuples and came across an interesting case where TypeScript cannot infer the types used: interface Foo<A, B> { (a: A, b: B): any } function test<...
I'm trying to write a Node module that extends the functionality of another module (a peer dependency which I do not control) using a register function exposed by the other module. This adds additi...
In VS Code, is it possible to run Python code on the text being edited? I realize that I can save my text, create a .py file, switch to a terminal (including VS Code's own terminal) and run the .p...
How do I concatenate two animated gifs together? The gifs are identical in dimensions and I would like to stitch them together so they play one after the other.
My use case is a collection of CSV files, each with header row. What I want to know is what subset(s) of them are "union compatible", although I also want matching column names before stacking thes...
PEP20 aka the Zen of Python has a statement: Namespaces are one honking great idea -- let's do more of those! What exactly are we supposed to "do" according to this? Is it saying we should h...
I want to clear my view of my file explorer sidebar in VS Code, and just see a few files I want to focus on. Is there an easy way to do this, using the mouse, and not file hiding using pattern mat...
Let's say I have a client/server application with a data structure on the server side: type User = { name: string; superSecretGovernmentIdNumber: string; }; These fields are both non-nul...
When looking for Perl modules to handle JSON strings and/or documents, I found JSON::PP and JSON::XS. The documentation of JSON::PP says it is compatible with JSON::XS. What do these suffixes me...
#ifdef sections can, of course, be used to include or exclude chunks of code based on some criteria known at compile time. One big problem is that when the condition is evaluated to false, the chun...
How do you fix the error 'Failed to load the DLL hostfxr.dll' when running a .NET test executed via dotnet test and starting an x86 .NET application in the test? I'm using .NET 8. Failed to load ...
For debugging running programs I often use whatever is integrated with the IDE I am using. QtDeveloper right now, but also used Eclipse, Netbeans and others. Most of them just use gdb under the hoo...
I am stumped at Maven exec plugin. Running mvn exec:exec -Dexec.executable="curl" (or "echo") works. But when running mvn exec:exec or mvn exec:exec@b (or @a) it fails saying The parameter 'exe...
This question is inspired by If I have a char array containing strings with a null byte (\0) terminating each string, how would I add another string onto the end? on Stack Overflow. Suppose I have...
The javadoc for ServletContext.getContextPath() says that It is possible that a servlet container may match a context by more than one context path. I was trying to find any explanation how t...
