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General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.
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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...
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...
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 ...
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...
Whenever registering to diverse sites on the net, you are often forced to enter a so called "strong password", which would ideally contain both upper case letters, lower case letters, digits, and s...
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...
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 ...
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...
I am working on a toy project where I have a container for which I would like to write an iterator that iterates over the values in the container. Because the values are stored in a (c-style) arra...
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 ...
I am using a W25Q64 flash ic to store some stuff for an ESP-32 project. I used this library from Github as it seems intended for ESP. It seemed weird that the read function uses two 16-bit paramet...
Sometimes when I try to install a third-party library for Python, I get an error saying that either distutils, or some part of it like distutils.core or distutils.util, could not be found. It's sho...
Context Our team is developing a solution mainly composed of several microservices relying on ASP.NET Core. We have decided that the simplest and most cost-effective solution would be for service...
How can we use git-send-email(1) to sign patches (emails) with the gpg(1) keyring? I've heard it can be done, but couldn't find anything in the git-send-email(1) documentation nor in a web search.
As far as I can tell, it is in part determined by the HTML spec's History API1, specifically the value of history.scrollRestoration. Quoting the HTML spec's scroll restoration mode paragraph: ...
I have to modify a legacy Django web application where there are 2 tables to store the same information using the same database structure, and the only difference is the names of the tables (and th...
I have a project I normally build with nix and cabal, however I also want to publish my documentation onto gitlab pages. It's impractical to run my nix on the gitlab CI, so I've just been using cab...
Suppose I have an Azure Synapse Serverless SQL database. I can run the following to get the sid of added groups: select name, type_desc, authentication_type_desc, sid from sys.database_principal...
When you try to do a privileged systemd operation without the privilege, you get an escalation prompt: $ systemctl stop docker ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ==== ...
I browse deviantArt from time to time and I wanted to make images display bigger, because there is so much useless whitespace on that site. On first glance that would be simple - remove the set di...
Asked How to implement map using the fish (>=>, Kleisli composition) operator in F#? a couple of hours ago, and r~~'s answer blew my mind: let map f = id >=> switch f It is perfect ...
Some development tools provide an error message when a user tries to import two things (classes, packages) with the same name. Some programming languages offer a syntax to import one of those thing...
In Eclipse, is it possible to setup custom errors or markers in the editor, for annotation processing? For example, the standard squiggly lines with descriptions. This question is not important. ...
Since Matrix messenger offers only a protocol,[1] as a software engineer I can choose to: Write my own client or use an existing client Write my own server with my own server logic or join an e...
I'm trying to build a proper understanding of what an OLAP[1] datastore vs an OLAP data engine is. I tend to put too much value on keywords like "engine" vs "data store." If it has "engine," I thin...
I'm getting an error when trying to open a shell to a pod. This used to work. $ kubectl exec --tty --stdin --namespace my-ns my-pod -- sh Error from server (BadRequest): Upgrade request required ...
I'm trying to write a bash function that can sanitize filenames to make them compatible with both Linux and Windows file systems. The function should perform the following operations: Replace in...
Some web sites are able to detect that Developer Tools is open as output a message in a the console. How does JavaScript know that the Chrome DevTools are open? Could this be spoofed?
When I open VS Code inside a project dir, it reopens all the tabs that were open last time, and re-expands all the folders that were unfolded last time. I find this annoying. Usually, when I close...
I have a parent-child relation in my table, with possibly circular cases. Is it possible to break the infinite recursion in CTE checking values of all previous rows? I would need something like thi...
C prohibits accessing an array out of bounds even if measures were taken to ensure that what should lie outside those bounds were known: struct MyStruct { int x[2]; int y, z; }; static...
I rent a shared-hosting environment with CentOS-Bash, Apache, PHP, MySQL and a web-based IMAP email client (Roundcube) and some more tools, on which I host my personal website; I don't have Cpanel...
I'm learning monadic composition through Scott Wlaschin's Railway-oriented Programming post. Oncebind, switch, and >=> functions are defined, he introduces map to show how to "turn a one-trac...
Sometimes there are empty files named .gitkeep sprinkled around a repository. What are these files?
What would be the simplest (and most lightweight) way of getting email notifications of failures in kubernetes clusters. Mostly interested in failing pods, so notifying on certain kubernetes event ...
Below are the links to code for my project. HTML CSS JavaScript I have created Magnifying Image which was successful now I am trying to add multiple images which can be display in main produc...
