h1 ## h21121 12121 ```vega { "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "description": "Plots two functions using a generated sequence.", "width": 300, "height": 150, "data": { "sequence": { "start": 0, "stop": 12.7, "step": 0.1, "as": "x" } }, "transform": [ { "calculate": "sin(datum.x)", "as": "sin(x)" }, { "calculate": "cos(datum.x)", "as": "cos(x)" }, { "fold": ["sin(x)", "cos(x)"] } ], "mark": "line", "encoding": { "x": { "type": "quantitative", "field": "x" }, "y": { "field": "value", "type": "quantitative" }, "color": { "field": "key", "type": "nominal", "title": null } } } ``` :::spoiler hide me ::: ```graphviz digraph { compound=true rankdir=RL graph [ fontname="Source Sans Pro", fontsize=20 ]; node [ fontname="Source Sans Pro", fontsize=18]; edge [ fontname="Source Sans Pro", fontsize=12 ]; subgraph core { c [label="Hackmd-it \ncore"] [shape=box] } c -> sync [ltail=session lhead=session] subgraph cluster1 { concentrate=true a [label="Text source\nGithub, Gitlab, ..."] [shape=box] b [label="HackMD Editor"] [shape=box] sync [label="sync" shape=plaintext ] b -> sync [dir="both"] sync -> a [dir="both"] label="An edit session" } } ```