Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Implement a Singleton in Rust
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Tips and Traps¶
std::cell::OnceCell is a partial implementation of
once_cellin the Rust standard library.There are 2 Rust crates lazy_static and once_cell for (lazy) once assignment (which can be used to create singletons). once_cell
Tips on NeoVim
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Installation on Ubuntu
You can install the latest stable version of neovim using the command below.
sudo add-apt-repository ppa:neovim-ppa/stable
wajig update
wajig install neovim
Tips and Traps
- NeoVim with …
Filter a Polars DataFrame in Rust
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Tips and Traps¶
LazyFrame.filterfilters rows using anExprwhileDataFrame.filterfilters rows using a mask of the typeChunkedArray<BooleanType>.
Filter a Polars LazyFrame in Rust
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Tips and Traps¶
LazyFrame.filterfilters rows using anExprwhileDataFrame.filterfilters rows using a mask of the typeChunkedArray<BooleanType>.