A rather geeky/technical weblog, est. 2001, by Bramus
jless — A command-line JSON viewer
jless is a command-line JSON viewer designed for reading, exploring, and searching through JSON data. Installation via Homebrew brew install jless jless — A command-line JSON viewer →jless Source (GitHub) → Related: jq – flexible command-line JSON processor
Did you know you can import JSON and CSS files just like you import JavaScript Modules? Thanks to Import Assertions, it’s as easy as this: Building upon "Import Assertions" we recently saw JSON Modules land in V8/Chromium 91: “`import json from './foo.json' assert { type: 'json' };“` In Chromium 93 the same thing for CSS …
Continue reading “ESNext: Import Assertions (JSON Modules, CSS Modules, …)”
Generate models and serializers from JSON, schema, and GraphQL for working with data quickly & safely in any programming language. Just paste in some JSON object, choose your output language, and voila! quicktype — Convert JSON into gorgeous, typesafe code in any language →
Interesting read on how GTA Online player t0st got elbow deep into disassembling GTA Online to fix its poor loading times. After taking a minute to load the common resources used for both story and online modes (which is near on par with high-end PCs) GTA decides to max out a single core on my …
Continue reading “How I cut GTA Online loading times by 70%”
JSON.stringify() replacer parameter
As previously detailed (2013 😱), you can use JSON.stringify()‘s second replacer parameter to pluck specific fields from it, by passing in an array: var person = {"name":"Jim Cowart","location":{"city":{"name":"Chattanooga","population":167674},"state":{"name":"Tennessee","abbreviation":"TN","population":6403000}},"company":"appendTo"}; JSON.stringify(person, ["name", "company"], 4); // ~> "{ // "name": "Jim Cowart", // "company": "appendTo" // }" As Pawel explains the parameter can also be a function, to …
Continue reading “The Power of the JSON.stringify() replacer parameter”
JSON.parse()
A performance trick that’s been doing rounds on Twitter, now available as a video: Because the JSON grammar is much simpler than JavaScript’s grammar, JSON can be parsed more efficiently than JavaScript. This knowledge can be applied to improve start-up performance for web apps that ship large JSON-like configuration object literals (such as inline Redux …
jsonbox.io lets you store, read & modify JSON data over HTTP APIs for free. Copy the URL below and start sending HTTP requests to play around with your data store. Oh, this will come in handy for Workshops and quick Proof Of Concepts: curl -X POST ‘https://jsonbox.io/demobox_6d9e326c183fde7b’ \ -H ‘content-type: application/json’ \ -d ‘{“name”: “Jon …
JSON isn’t the friendliest to write. Keys need to be quoted, objects and arrays can’t have trailing commas, and comments aren’t allowed — even though none of these are the case with regular JavaScript today. JSON5 is a proposed extension to JSON that allows these kinds of things. Here’s an example showcasing most of its …
Just like how web browsers turn HTML into a web page, Jasonette turns JSON into iOS native components. This lets you build native apps by writing a simple JSON. Here’s a small snippet/example: { “$jason”: { “head”: { “title”: “{ ˃̵̑ᴥ˂̵̑}”, “offline”: “true”, “actions”: { “$foreground”: { “type”: “$reload” }, “$pull”: { “type”: “$reload” } …
Continue reading “Jasonette – Build cross-platform mobile apps using JSON”