suncalc
ctl
suncalc | ctl | |
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8 | 22 | |
2,992 | 162 | |
- | - | |
0.0 | 5.9 | |
about 1 year ago | about 2 months ago | |
JavaScript | C | |
BSD 2-clause "Simplified" License | MIT License |
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suncalc
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Show HN: Color-scheme-switcher: auto/manual color scheme toggling in React
A really simple, small package to manage React context around color scheme toggling. Specifically, you can switch color scheme manually or automatically, and if the latter you can follow either the system color scheme or the sun.
I based some of this code heavily on a couple Mantine (https://mantine.dev/) hooks and Suncalc (https://github.com/mourner/suncalc), but modified them to either make them simpler and/or, in Suncalc's case, typed.
This is my first open-source package in a while, so I'd greatly appreciate any constructive suggestions! I have been using some form of this in my own projects and figured, when I added it to the most recent one, I should just extract it into its own project. I'm hoping something small like this will motivate me to do more open-source work because I miss it!
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Show HN: Visualize your day as 144 rectangles
It would be fun to see this with local daylight hours mapped to the squares, so I could get a feel for where my consumption is at within "daylight" vs the whole "day"
SunCalc is a good tool for this, if you're interested: https://github.com/mourner/suncalc
(I've used it on a personal project, and the API was a little awkward but the results are good: https://daylight.website/)
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How to determine exactly where the sun rises and sets based on latitude
If you want to do some coding for your website, here is the ready-made javascript for calculating what you want about Sun and Moon: Sun and Moon almanac
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[OC] How long are the nights in Stockholm, New York City, Moscow, Sydney, Jakarta, Reykjavik, Rio de Janeiro, Wellington etc. ? (30 selected cities)
tool: d3.js data: SunCalc the inspiration came from these sunrise and sunset visualizations
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How to base things from solar noon, or other inputted target time?
Recently I have made a library doing this for myself. Basicly, I re-wrote this Javascript library in C++ for use with microcontrollers: https://github.com/mourner/suncalc
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Offline version of suncalc.org on pc ?
you need a bit of IT skills wth https://github.com/mourner/suncalc
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Does adaptive lighting work the way you expected?
I ignore the sunrise/set properties of the Hue bridge. All the calculations are done on the board itself, so it doesn't need an internet connection to keep working. I used the javascript code here https://github.com/mourner/suncalc as a starting point and translated it to c++ to run on an microcontroller.
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Ask HN: What Are You Working On?
Suncalc [1] is the library I use to calculate the position of the sun. Mapzen [2] host public elevation tile data. This blog post [3] is a good overview of the calculations involved.
[1] https://github.com/mourner/suncalc
[2] https://www.mapzen.com/blog/terrain-tile-service/
[3] http://www.liedman.net/2014/06/25/sunshine/
ctl
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A header-only C implementation of C++ <algorithm>
Well, I do like mine better, which is closer to the STL, and for all containers. https://github.com/rurban/ctl/
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A simple hash table in C
search for htable or hashtable in thousands of open source projects. only a minority has worse hashtables than this one (clisp, perl5 e.g.).
For better ones I would point to my linked list implementation: https://github.com/rurban/ctl/blob/master/ctl/unordered_set.... (because it has various security policies, nobody else has)
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Popular Data Structure Libraries in C ?
C Container Template Library, Rurban Variant (CTL) - The page for unordered_map reads "Implementation in work still".
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C Template Library
There is also the rurban variant variant of CTL which is more complete.
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Better C Generics: The Extendible _Generic
The prototype of CC used this mechanism to provide a generic API for types instantiated via templates (so basically like other container libraries, but with an extendible-_Generic-based API laid over the top of the generated types). This approach has some significant advantages over the approach CC now uses, but I got a bit obsessed with eliminating the need to manually instantiate templates.
- C_dictionary: A simple dynamically typed and sized hashmap in C - feedback welcome
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How different is C++ from C? Contrasting simple Unix SORT programs
But the most common that I know of is this one: https://github.com/tylov/STC. There's also this one mentioned above https://rurban.github.io/ctl/
- C++ containers but in C
- STL in C
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On HASH-TABLEs performance
I'm also working on a proper one, but got sidetracked. https://github.com/rurban/ctl/blob/hmap/ctl/swisstable.h
What are some alternatives?
procedural-gl-js - Mobile-first 3D mapping engine with emphasis on user experience
rnnoise - Recurrent neural network for audio noise reduction
mapbox-gl-js - Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
Klib - A standalone and lightweight C library
dflex - The sophisticated Drag and Drop library you've been waiting for 🥳
STC - A modern, user friendly, generic, type-safe and fast C99 container library: String, Vector, Sorted and Unordered Map and Set, Deque, Forward List, Smart Pointers, Bitset and Random numbers.
maplibre-gl-js - MapLibre GL JS - Interactive vector tile maps in WebGL2
roost - Proof of Concept for Eventsourced backend
Oat++ - 🌱Light and powerful C++ web framework for highly scalable and resource-efficient web application. It's zero-dependency and easy-portable.
LIPS - Scheme based powerful lisp interpreter in JavaScript
cratetorrent - A BitTorrent V1 engine library for Rust (and currently Linux)
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