libcoro
null
libcoro | null | |
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1 | 5 | |
457 | 1,751 | |
- | - | |
8.3 | 5.6 | |
about 2 months ago | 3 months ago | |
C++ | Go | |
Apache License 2.0 | BSD 2-clause "Simplified" License |
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libcoro
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Ask HN: What are some tools / libraries you built yourself?
https://github.com/jbaldwin/liblifthttp
I created a C++17 HTTP client which is backed by curl and libuv (linux only! sorry windows). I think a lot of people have done this or something similar but almost all of the ones I looked at either exposed the curl api directly in some fashion or had extremely weak async support. So my main motivation was extremely easy asynchronous queries for high throughput with a very modern C++ API that has as good as you can get memory safety, or at least as good as modern C++ will let you get. No raw curl calls or api exposed at all. I used to find it extremely difficult to make C++ HTTP calls, now its a real breeze.
My next project is a bit more ambitious: https://github.com/jbaldwin/libcoro/ -- I'd like to make a C++20 HTTP client from the ground up with first class coroutine support, and I'll be using lift as a benchmark to beat performance wise.
null
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JSON encoder/decoder supporting omitempty on structs
Use-case: working on PATCH requests, the body may or may not contain nullable values. I am using guregu/null and I can't use a pointer because if the json contains "null" as a value, the pointer will be set to nil in the struct, instead of a value representing the presence of null. In short I can't differentiate the absence of the field in the request from the presence of the field with a null value.
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Nilable - finally a way to stop using pointers just to get the nil state
https://github.com/guregu/null is an awesome package implementing most SQL scanner Interfaces plus JSON
- Golang backend with lots of raw SQL queries
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Is there a downside to treating possible null values in DB as pointers in struct?
There’s also this: https://github.com/guregu/null
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Gonion - Golang Client for querying Tor network data
Unfortunately in Go, switching to *bool makes the api a little more awkward to use since users that need to set true or false have to define a local variable then use a pointer to that. Another option would be something like null, but that adds a dependency to your currently-dependency-free project. If anyone has a better solution to this pattern, I'd love to hear it.
What are some alternatives?
tera - A template engine for Rust based on Jinja2/Django
csvutil - csvutil provides fast and idiomatic mapping between CSV and Go (golang) values.
gutenberg - A fast static site generator in a single binary with everything built-in. https://www.getzola.org
validator - Simple validation for Rust structs
lowdefy - The config web stack for business apps - build internal tools, client portals, web apps, admin panels, dashboards, web sites, and CRUD apps with YAML or JSON.
react-leaflet-canvas-overlay - React Leaflet component similar to ImageOverlay and VideoOverlay
htmx - </> htmx - high power tools for HTML
gh-token - Manage installation access tokens for GitHub apps from your terminal 💻
corobase - Coroutine-Oriented Main-Memory Database Engine (VLDB 2021)
firebase-rules - A type-safe Firebase Real-time Database Security Rules builder. Compose and re-use common rules. Reference constants used throughout the project. Catch any errors and typos. Auto-completion.
Pion WebRTC - Pure Go implementation of the WebRTC API
trdsql - CLI tool that can execute SQL queries on CSV, LTSV, JSON, YAML and TBLN. Can output to various formats.