z11i / DP_TSP.java

Last active November 11, 2015 03:02

	memo = new int[V][1 << V];
	T = new int[V][V]; // adjacency matrix
	int min_dist_from_0 = DP_TSP(0, 1);

	int DP_TSP(int u, int m) { // m is visited mask (bitmask)
	if (m == ((1 << V) - 1)) // all 1, all vertices have been visited
	return T[u][0]; // no choice, return to vertex 0
	if (memo[u][m] != -1) // computed before
	return memo[u][m];

z11i / Dijkstra.java

Last active April 11, 2016 05:12

	void dijkstra() {
	int[] dist = new int[n + 1];
	boolean[] visited = new boolean[n + 1];
	for (int source = 0; source < k + 1; source++) {
	arrays.fill(dist, INFINITY);
	arrays.fill(visited, false);
	dist[list[source]] = 0;

	for (int t = 0; t < n; t++) {
	int min = INFINITY;

z11i / coding-standards-for-cpp.md

Last active May 16, 2024 10:00

Coding Standards for C++ (Extract)

Naming Conventions

Indentation Rules

Comments

Look & Feel

Miscellaneous References

z11i / UniqueArray.java

Created February 6, 2016 13:08

Remove duplicates in an array while maintaining the original order

	import java.util.*;

	public class UniqueArray {
	public static int[] unique(int[] integers) {
	return Arrays.stream(integers).distinct().toArray();
	}
	}

z11i / atom backup

Last active May 29, 2017 06:49

automatic update by http://atom.io/packages/sync-settings

test

z11i / unfollow.js

Created November 25, 2017 04:48

批量取关知乎关注问题。去 https://www.zhihu.com/question/following 页面执行脚本。会取消所有关注的问题。

	function unfollow() {
	window.scrollTo(0, document.body.scrollHeight);
	setTimeout(function() {
	console.log('unfollowed');
	let list = document.querySelectorAll('.follow-link.zg-unfollow.meta-item');
	list[0].click();
	unfollow()
	}, 1000)
	}
	unfollow()

z11i / karabiner-command-escape.json

Last active December 10, 2022 10:20

Karabiner complex modification: Post command+backtick if command+escape is pressed. This is useful to those who use 60% compact keyboards on which backtick/grave keys are replaced with the escape key.

	{
	"title": "Emit Command+Backtick if Command and Escape are pressed",
	"rules": [
	{
	"description": "Change escape to backtick if pressed with command",
	"manipulators": [
	{
	"type": "basic",
	"from": {
	"key_code": "escape",

z11i / strip_html_tags.go

Created June 4, 2020 08:30

Strip HTML tags in Golang

	import (
	"html"
	"reflect"
	"strings"

	"github.com/microcosm-cc/bluemonday"
	)

	var p = bluemonday.UGCPolicy()

z11i / replacer.js

Last active November 28, 2020 07:26

Replaces all regular expression patterns in a string with dynamic data from a map.

	function makeReplacer(str) {
	const regex = /\$\w+\.(\w+)/g;
	let strFragments = []; // stores static strings, or a function to get value from map
	let m; // regex match object
	let idx; // index tracking the position of one match in `str`
	while ((m = regex.exec(str)) !== null) {
	// This is necessary to avoid infinite loops with zero-width matches
	if (m.index === regex.lastIndex) {
	regex.lastIndex++;
	}

z11i / upload.sh

Last active June 24, 2025 18:36

Use curl to upload a file in a multipart/form-data request, with custom content-type for the file (not the request)

	filename='yourfilename'
	filetype='text/csv'
	token='my oauth token'
	url='http://localhost/upload'

	curl "$url" \
	--form "data=@$filename;type=$filetype" \
	--form "name=somename" \
	-H "Authorization: Bearer $token"

Elliot Zhang z11i

Coding Standards for C++ (Extract)