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Posts by ghost-in-the-zsh
When writing Python-based apps (e.g. Django, Flask, etc.), it's often the case that import statements can be found all over the place, often more than once for the same module. For example, you can...
Summary The location within a module where an import statement is found by the interpreter is not expected to cause differences in performance such as speed or memory usage. Modules are singleton ...
I agree. Something that might be more useful is to allow the text boxes to be resizeable by the user. In most places, there's a small tab on the lower-right corner of a text box that allows the use...
Summary I'm building an internal system (hardware simulator, using Rust) to help test some Python-based services that talk to hardware. (The services talk to hardware via TTYs.) To trick the Pytho...
If I understand your question correctly, i.e. Is it possible to enforce that constraint at the database level? Then the short answer is: No. In the business logic for the program, every re...
I have written a screensaver program that, in part, uses the current wallpaper for some visual effects. However, finding the current wallpaper in different operating systems and environments is les...
How can we use git-send-email(1) to sign patches (emails) with the gpg(1) keyring? The git-send-email command does not have any CLI options to perform cryptographic operations, so, to the best...
Summary/Context I'm currently working to improve performance and throughput of our automation infrastructure, most of which is a combination of Bash/Shell scripts, Python scripts, Docker, Jenkins,...
Perl modules sometimes have different implementations. The ::PP suffix means it's a "Pure Perl" implementation, where portability is the goal. The ::XS suffix is for the C-based implementation, whe...
Summary I've fixed the issue and what follows is the best explanation I have so far. What I had described in the OP were some of the observations, but I'll be including more detail so that it's (h...
Summary I'm refactoring a Rust-based service/daemon to move away from gRPC and use a Rocket-based API instead. I'm also using the daemonize crate to turn the foreground process into a background p...
I think you have the answer to your question within your own question, but let me make it a bit more explicit. You said: The problem is, sometimes downloading from Perforce fails If P4 fails ...
I did not find a way to get Rocket and Daemonize to work together without problems. However, I was able to get a more recent version of start-stop-daemon installed in the system (v1.20.11), and was...
This answer will use Python 3 for code examples. I encourage people to post other answers for other languages. I'll continue to update this answer, as I'm able, based on comments with tested/verifi...
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...
Other than their preferred configuration options, nothing really "requires" that a particular resource be behind a particular subdomain. Content Delivery Networks (CDNs) are often just setup as sep...
I work for an IoT company. We recently got secure boot to work for a customer-visible product. For secure boot to work, the images we generate must be signed. Obviously, we want customer-visible sy...
Summary The TL;DR is that, as long as ZFS is being used as the underlying file system, mount commands on top of that will not work. It's simply not supported. I was also able to confirm this over ...
