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Activity for qoheletâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: Proper location of docstring on struct with attributes Option 1. The docstring precedes the attributes by convention. Here is an example of the docstring for `std::vec::Vec`. However, if using `cargo doc` to generate documentation, it works just fine if you put it after as well. (more) |
— | 3 months ago |
| Question | — |
Proper location of docstring on struct with attributes When documenting a struct with attributes, where does the docstring go? Before or after the attribute(s)? Option 1: ```rust /// Does it go here? #[derive(Deserialize, Debug)] pub struct Metadata { pub version: f32, pub contributors: Vec } ``` Option 2: ```rust #[derive(Des... (more) |
— | 3 months ago |
| Question | — |
Why does this work? .collect() automatic conversion to function return type I'm completing the `rustlings` exercises as part of self-teaching Rust. While working on the third iterators exercise, I solved the exercise but don't quite understand why my solution works. Specifically, I made two functions that are identical except for their name and return type, but the functi... (more) |
— | 3 months ago |
| Question | — |
Load environment variables from .env file in Python 3 In Python 2, I was able to create a file named `.env` within a project folder like so: # .env MYID=abc123 TOKEN=4567890 Then in a Python file in the same directory, I could read these variables like so: # example.py import os id = os.environ["MYID"] token =... (more) |
— | over 2 years ago |
| Question | — |
Capture args from repeatable flags in Golang pflags package How do I create a flag that can be used multiple times in a command using the `pflag` package? For example, let's say I wanted to select multiple fields and did not want to have to use comma-separation with a single flag, but instead something like follows: cmd -f field1 -f field2 -f field3 ... (more) |
— | over 3 years ago |
| Answer | — |
A: Are reference requests welcome here? Consider the following posts which have essentially become canonical references in their own right within their respective communities on SE: The Definitive C++ Book Guide and List (viewed 2.5 million times) The Definitive C Book Guide and List (viewed 451 thousand times) The definitive gu... (more) |
— | over 3 years ago |
| Answer | — |
A: For scripting what are the pros and cons of command line arguments versus capturing input at the start? Pros of CLI arguments/flags include: Easier to leverage the tool in another script or via other automation so that user interaction is not required If certain arguments are optional and/or have default values, the user is not burdened with these choices when they are unimportant Once ... (more) |
— | over 3 years ago |
| Question | — |
Are hyphens and/or underscores valid in golang package names? Can a Go package name validly contain a hyphen and/or an underscore? The godocs say that >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps. However, this does not indicate if underscores are invalid/illegal vs. simply not f... (more) |
— | over 3 years ago |