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But checking if the variable has been calculated each time the function runs, wastes CPU cycles, which counteracts the purpose of precalculating the variables to save resources. The Precalculating...
Pointer conversions and aliasing First of all, C historically allows all manner of crazy pointer conversions (whereas C++ is more restrictive) between compatible and non-compatible pointed-at type...
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 ...
git-send-email(1) uses sendmail(8) as the MTA by default. However, this can be changed by passing the --sendmail-cmd option. $ man git-send-email | sed -n '/--sendmail-cmd=/,/^$/p' --sendma...
Realistically in 2024, you should be using Cpanel::JSON::XS, and JSON::MaybeXS. Cpanel::JSON::XS is by far the best JSON implementation for Perl, but not every platform will have it, so you can use...
You don't actually need the UID in that particular example. A more elegant solution would be to use the --chown option of the COPY directive. FROM bash:latest as builder RUN adduser adduser \ ...
The UID of nonroot user is 65532. This is by convention. I failed to find a reputable source for this, but looking around image internals, it seems to hold.
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 ...
From my own trial and error the solution was to temporarily increase the Read Units Per Second for the MongoDB. Then it worked flawlessly the first time to import.
However, I suspect that most iterators can be written as iterating over an array. From my experience, I wouldn't expect this to be the case. From the standard library containers, only std::vec...
As mentioned in another answer, when you have code such as if (someVar), you're subject to truthiness. To be more precise, this code will run under the rules of Boolean coercion. In JavaScript, wh...
The groupId and artifactId are wrong (this plugin is not from Maven but from codehaus). Additionally, the configuration is not applied to the relevant execution. If you reshuffle the part like so… ...
You can use imagemagick. Suppose you have the files a.gif and b.gif and want to play a and then b. Then use the command: convert a.gif b.gif out.gif And your results will be written to out.gif....
It's rare that you find a software tool that does exactly what you want in the way that you want. Hence the popularity of scripting languages among software developers for doing all sorts of littl...
There are a few VSCode extensions that may be useful: Simple hide files allows you to hide individual files using a pane in the side bar. Make hidden allows you to hide a file via a right-click m...
You can check if a file exists using the fs module. Besides the methods already mentioned, you can use fs.stat(path[, options], callback) [1]. It's also asynchronous, and the callback returns two ...
How to check in Node.js if a file exists?
Every time I run a program I'm used to, I get a bunch of import errors, and have to reinstall the dependencies. As you're presumably aware, the fundamental problem is that each Python installa...
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 ...
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...
Normally, Python is compiled, but it compiles to bytecode, not to your computer's native instructions. This bytecode is cross-platform, but it can't be used by the CPU directly - it can't be turned...
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...
Matplotlib uses a backend to render the plot. Some backends are "GUI backends", meaning that they can render into a window that displays on your screen. Others are "non-GUI backends" which can only...
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...
I don't see much duplication in your workflow file here. Is there a lot of boilerplate? Yes, but I believe that's expected for CI/CD workflow definitions and a result of using the workflow being d...
