melexis_VGA_ToF_camera
edn
melexis_VGA_ToF_camera | edn | |
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1 | 34 | |
9 | 2,567 | |
- | 0.7% | |
1.8 | 0.0 | |
over 2 years ago | over 2 years ago | |
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melexis_VGA_ToF_camera
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Ask HN: Who Wants to Collaborate?
I want to finish a Time Of Flight camera. My initial application was robotics, but this domain is very crowded. The start is here: https://github.com/lnsru/melexis_VGA_ToF_camera Hardware is not complete, current software is raspiraw with corresponding modified camera header file. Tweaked raspiraw can receive test pattern from sensor chip. I want to offer low cost camera commercially at the end, but have no problem open sourcing my early development. I am electrical engineer and I have all the pieces to finish this project alone, but it’s much nicer working together.
edn
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Apple releases Pkl – onfiguration as code language
> was utterly surprised how no one ever apparently has thought to create a configuration/templating system that's basically a fancy library on top of Scheme.
There's Clojure's extensible data notation: https://github.com/edn-format/edn
- Why the fuck are we templating YAML? (2019)
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I made a basic python client and ORM for XTDB
A thin language layer around edn/datalog, the query language
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What Is Wrong with TOML?
EDN (Extensible Data Notation) is a subset of Clojure: https://github.com/edn-format/edn
It is:
- Streamable
- Extensible
- Whitespace-insensitive, but there are formatting conventions for readability
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The real reason JSON has no comments
To begin with, EDN is somewhat like the JSON of Clojure. And regarding the code is data/data is code nature of Clojure, it is Clojure. It doesn't have some of the vagaries of JSON, and it is also extensible.
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Ron: Rusty Object Notation
Alien is not a reason something is bad, just that's it's unusual. JSON was a bit alien when it first arrived as well, as everyone was used to XML at the time.
`{num 5, val 4}` looks fine to me, but we can do even better! We already know objects/maps are always in pairs, so we don't really need that comma either. Just do `{num 5 val 4}` and we save yet another unnecessary characters.
Of course, I didn't come up with this format myself, what I actually want JSON to be is EDN (https://github.com/edn-format/edn) which is a standalone format but also directly used in Clojure, so it already exists inside a programming language and works very well. There keys are strings though, so you example would end up being `{"num" 5 "val" 5 "person" var}`, where commas are optional.
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JSON vs. XML with Douglas Crockford
I just checked out the spec, and it gets pretty ugly in the Table section. A lot of the json examples are both shorter and IMO more precise. Stuff that’s not allowed with [table] is allowed with [[table]], and it’s confusing to understand what level of depth I’m at.
I’ll take edn over any of “em. https://github.com/edn-format/edn
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Taming the Time: how to install & develop with XTDB
As XT is written in Clojure and it natively supports Clojure’s data types, we were not satisfied with available JSON types and decided to give EDN a try - that way we would have way more supported types:
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Design patterns are a solution to the problem OOP itself creates
Compare the nightmare that is pickling with how simple it is to serialize pure data with edn in clojure. What ends up happening is people passing around JSONs or whatever and writing parsing/encoding code at each end, which makes things unnecessarily more complex, and dangerous, and error prone, and boring, etc...
- The YAML Document from Hell
What are some alternatives?
firefly-boot - Bootstrap compiler for Firefly
json - JSON for Modern C++
FrameworkBenchmarks - Source for the TechEmpower Framework Benchmarks project
EPOE-Forked - Github repository for EPOE-Forked
jq - Command-line JSON processor [Moved to: https://github.com/jqlang/jq]
yamllint - A linter for YAML files.
dhall-lang - Maintainable configuration files
json - A tested JSON parser / serializer
lua-patterns - Exposing Lua string patterns to Rust
strictyaml - Type-safe YAML parser and validator.
jq - Command-line JSON processor
jsonnet - Jsonnet - The data templating language