tabjy’s gists

tabjy / perforation_gcode_gen.js

Created September 25, 2024 02:46

tabjy / ir_explainer.js

Created September 20, 2024 20:37

For Hotspot C2 Idea Graph IR

	const rlp = require('node:readline/promises');

	const input = `
	5 3 Start === 3 0 [[ 3 5 6 7 8 9 10 ]] #{0:control, 1:abIO, 2:memory, 3:rawptr:BotPTR, 4:return_address, 5:int}
	4 22 ConI === 0 [[ 23 ]] #int:7
	4 10 Parm === 3 [[ 4 18 21 23 ]] Parm0: int !jvms: TestImageReader::test @ bci:-1 (line 39)
	3 23 AndI === _ 10 22 [[ 25 ]] !jvms: TestImageReader::test @ bci:3 (line 39)
	3 0 Root === 0 [[ 0 1 3 22 24 26 29 ]]
	2 25 AddI === _ 23 24 [[ 21 21 27 ]] !jvms: TestImageReader::test @ bci:5 (line 39)
	2 24 ConI === 0 [[ 25 27 31 ]] #int:1

tabjy / picard-naming-script.txt

Created June 3, 2022 04:34

	$if2($if2(%albumartist%,%artist%),Various Artists)/
	$if($year(%date%),$year(%date%) - ,)$if(%albumartist%,%album%/,)
	$if($gt(%totaldiscs%,1),$if($gt(%totaldiscs%,9),$num(%discnumber%,2),%discnumber%)-,)$if($and(%albumartist%,%tracknumber%),$num(%tracknumber%,2) - ,)%title%

tabjy / ws.js

Created March 11, 2021 00:31

WebSocket from scratch. In Node.js

	const http = require('http')
	const crypto = require('crypto')

	const server = http.createServer((req, res) => {
	console.log('got request', req.url)
	res.writeHead(200, { 'Content-Type': 'text/plain' })
	res.end('okay')
	})

	server.on('upgrade', function (req, socket) {

tabjy / in-browser-console-es5.js

Last active February 20, 2020 15:23

A basic REPL

	"use strict";

	function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return !!right[Symbol.hasInstance](left); } else { return left instanceof right; } }

	(function () {
	var write = function write(content) {
	output.value += content;
	output.scrollTop = output.scrollHeight;
	};

tabjy / d3-to-png.js

Created February 14, 2020 15:13

	const svg = document.querySelectorAll('#chart svg')[0]

	const width = svg.getAttribute("width")
	const height = svg.getAttribute("height")

	const image = new Image()
	image.setAttribute("width", width)
	image.setAttribute("height", height)

	const clone = svg.cloneNode(true)

tabjy / d3-to-png.js

Created February 14, 2020 15:13

	const svg = document.querySelectorAll('#chart svg')[0]

	const width = svg.getAttribute("width")
	const height = svg.getAttribute("height")

	const image = new Image()
	image.setAttribute("width", width)
	image.setAttribute("height", height)

	const clone = svg.cloneNode(true)

tabjy / AccessUtils.java

Created December 3, 2019 16:44

	package org.openjdk.jmc.agent.util;

	import java.lang.reflect.Field;
	import java.lang.reflect.InvocationTargetException;
	import java.lang.reflect.Method;
	import java.lang.reflect.Modifier;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.LinkedList;
	import java.util.List;

tabjy / NestBasedAccess.java

Created December 3, 2019 16:43

	package org.openjdk.jmc.agent.util;

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;

	// polyfill for pre-11 nest-based access control
	public class NestBasedAccess {
	private static int bar = 42;

tabjy / java_11.txt

Last active November 20, 2019 15:33

pre java 11 bridge method for nested access

	Classfile /home/kxu/Documents/github.com/tabjy/java-snippets/target/classes/com/tabjy/snippets/asm/path_syntax_evaluation/Pojo.class
	Last modified Nov 20, 2019; size 800 bytes
	MD5 checksum ce2027f5c28d4f1634e8c67ef84efd97
	Compiled from "Pojo.java"
	public class com.tabjy.snippets.asm.path_syntax_evaluation.Pojo
	minor version: 0
	major version: 55
	flags: (0x0021) ACC_PUBLIC, ACC_SUPER
	this_class: #9 // com/tabjy/snippets/asm/path_syntax_evaluation/Pojo
	super_class: #10 // java/lang/Object

Kangcheng Xu tabjy