Rust's error handling approach is very different from many popular languages which support try/catch semantics. The return value pattern that Result<T, E> provides is flexible and powerful, but it also requires careful design for the error types that should be returned. We'll look at how error types for traits can best support implementors and users of our traits.

Read More

ClickHouse supports a wide variety of SQL join types, but users should be aware of the possible performance problems that can manifest when querying large datasets. Understanding what gives rise to these challenges allows us to come up with strategies for crafting more efficient queries for large datasets.

Read More

Using rust's expressive type system to create better command line interfaces for your software. Dive into the clap crate and see how it can lead to more maintainable, more friendly software for your users.

Read More

The world is full of wonder and beauty. As photographers we strive to capture and share the magic that we encounter on our travels and in special places closer to home. Stunning images of mountains and wildlife can be satisfying to create, but I think we can strive to go further and also communicate the story of the journey itself. An authentic telling will enlighten our viewers and will hold deeper meaning for our companions as well.

Read More

Photography and backpacking have been intertwined ever since cameras became small enough to lug up a trail. Even as our tools become ever lighter and more compact, though, the challenge of capturing fleeting moments remains. If your gear is stashed away in a backpack, what chance do you have of documenting the pure joy of a friend summiting a peak or the sudden appearance of a rare bird? Conversely, a camera that is dangling from your neck is a constant nuisance, threatening to bang into rocks or throw you off balance. But maybe the solution has been draped over our shoulders all along.

Read More