GJSON
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GJSON
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Rob Pike: Gobs of data (2011)
Someone made a benchmark of serialization libraries in go [1], and I was surprised to see gobs is one of the slowest ones, specially for decoding. I suspect part of the reason is that the API doesn't not allow reusing decoders [2]. From my explorations it seems like both JSON [3], message-pack [4] and CBOR [5] are better alternatives.
By the way, in Go there are a like a million JSON encoders because a lot of things in the std library are not really coded for maximum performance but more for easy of usage, it seems. Perhaps this is the right balance for certain things (ex: the http library, see [6]).
There are also a bunch of libraries that allow you to modify a JSON file "in place", without having to fully deserialize into structs (ex: GJSON/SJSON [7] [8]). This sounds very convenient and more efficient that fully de/serializing if we just need to change the data a little.
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1: https://github.com/alecthomas/go_serialization_benchmarks
2: https://github.com/golang/go/issues/29766#issuecomment-45492...
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3: https://github.com/goccy/go-json
4: https://github.com/vmihailenco/msgpack
5: https://github.com/fxamacker/cbor
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6: https://github.com/valyala/fasthttp#faq
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7: https://github.com/tidwall/gjson
8: https://github.com/tidwall/sjson
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Jj: JSON Stream Editor
```
I don't think there is a way to sort an array, though. However, there is an option to have keys sorted. Personally, I don't think there is much annoyance in that. One could just pipe `jj` output to `sort | uniq -c`.
[0]: https://github.com/tidwall/gjson/blob/master/SYNTAX.md
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Library to analyze an arbitrary JSON string
I’m using GJSON, so far so good!
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Mapping json fields in api calls to a struct to store them in a database or cache
If the fields you need are just a small subset of the whole json, maybe https://github.com/tidwall/gjson might be of use to read only those (using jsonpath) without needing to create complete corresponding structs.
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Which CPU to buy based on profiling
Thank you for the reminder, it's never too much of it :) Didn't say it, but the code was pprof-iled many times and i can really say it's well optimized. I use own libraries with on-the-fly equations (sums, avgs, emas, stds, ...) wherever possible and also made custom json parser as json messages are in fixed format, so the parser is about 10x faster than gjson. I optimized it to the point that I avoided using maps, and rather iterate via slice where ever possible.
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Jetro - transform and query JSON format
You are right, for learning purposes this fit my needs, but I can imagine an approach similar to this repo: https://github.com/tidwall/gjson
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Any way to convert unknown/dynamic json to generic object structure
https://github.com/tidwall/gjson is a relatively sensible library if this is something you need to deal with and the structure is actually unknowable.
- Need help with getting the grandchild in nested JSON
- Double down on python or learn Go
- Ad hoc JSON parsing
hub
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GitHub Discussion about the recent feed changes becomes 3rd most upvoted ever
Use hub here via CLI and forget the gui https://hub.github.com/
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Pull request Best Practices
Try automating the PR process as much as possible. Make use of tools like hub CLI for speeding up the pull request process. Code quality tools can help you automate the due diligence for coding standards and conventions, and test automation tools can assist in bug discovery, and identifying security vulnerabilities.
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Script to iterate a local folder structure and push remote SCM?
You can extend this: https://github.com/github/hub
- Problem with Docker Hub and submodules
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[Media] I made a Rust CLI game that tests how fast you can guess the language of a code block!
parse_git_branch() { # Speed up opening up a new terminal tab by not # checking `$HOME` ...which can't be a repo anyway # # For the heck of it, micro-optimize this too: # time (repeat 1000000 { [ "$PWD" = "$HOME" ] } ) == ~4.2s # time (repeat 1000000 { [[ "$PWD" == "$HOME" ]] } ) == ~1.4s [[ "$PWD" == "$HOME" ]] && return # Fastest known way to check the current branch name # (Uses `command` to bypass wrappers like https://hub.github.com/) ref="$(command git symbolic-ref --short HEAD 2> /dev/null)" || return echo " [$ref]" }
- Mais de 10 coisas para fazer antes de solicitar revisão do seu Pull Request
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Gitea – a painless self-hosted Git service
Which will create a new remote with that name (otherwise origin will be used).
It is also less typing.
[1]: https://github.com/github/hub
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My Termial Aliases
I alias git to use HUB from GitHub
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Noob question: Up until now I've always started with creating a repository on github and cloning it to my pc. This time I've already started a project with vs code and am not sure how to get it to github. Do I just use 'Import a Repository' on github?
If you also install Hub https://github.com/github/hub it gives you a git create command, it also has a set of really useful additional CLI utilities.
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My current Indie Hacking toolkit
SCM: Git + Hub (https://github.com/github/hub)
What are some alternatives?
jsoniter - A high-performance 100% compatible drop-in replacement of "encoding/json"
gron - gron, Cron Jobs in Go.
go-json - Fast JSON encoder/decoder compatible with encoding/json for Go
resty - Simple HTTP and REST client library for Go
intrinsic
ngrok - Unified ingress for developers
gojson - Automatically generate Go (golang) struct definitions from example JSON
goreporter - A Golang tool that does static analysis, unit testing, code review and generate code quality report.
hystrix-go - Netflix's Hystrix latency and fault tolerance library, for Go
fzf - :cherry_blossom: A command-line fuzzy finder
goreleaser - Deliver Go binaries as fast and easily as possible