mindon

/// tencent cloud postgres data recovery helper
/// required:
/// [zig](https://ziglang.org/download/)
/// [docker](https://docker.com/) or [podman](https://podman.io/) required
/// usage:
/// 1) update recovery for zst path and tables to export
/// 2) `zig run txcloud_pgrecovery.zig`
const std = @import("std");
const print = std.debug.print;
const path = std.fs.path;

mindon

const arr = [{attr:'x', value: 2}, {attr:'y', value: 2}, {attr:'z', value: 1}];

// descend +<->
arr.sort((a,b,x='attr')=>+(a[x]<b[x])-(a[x]>b[x]));
console.log(arr.slice(0));

// ascend -<+>
arr.sort((a,b,x='attr')=>-(a[x]<b[x])+(a[x]>b[x]));
console.log(arr.slice(0));

mindon

#include "MixedFilterModel.h"

bool MixedFilterModel::fit(QString s, QVariant rule)
{
    int metaTypeId = rule.metaType().id();
    if (metaTypeId == QMetaType::QString) {
        QString r = rule.toString();
        if (r == "*")
            return true;
        if (r.contains("*")) {

mindon

async function get$(src, cb, opts = { method: "GET" }) {
  let [current, received, total] = [0, 0, 0];

  cb({ state: "nif" });

  const resp = await fetch(src, {
    mode: "cors",
    headers: {
      "Content-Type": "application/octet-stream",
    },

mindon

const _DT = {id: 'de', name: 'data'};
// indexeddb
export function db$(id, name, todo) {
  if (!win.indexedDB) {
    return;
  }
  const { mode = "readonly" } = todo;
  let req = indexedDB.open(id);
  req.onsuccess = (evt) => {
    const db = evt.target.result;

mindon

// fraction gets up/down from a number
export function fraction(v, opts = {}) {
  const { precise = 5, tries = 100 } = opts; 
  const [ul, dl] = [[0, 1], [1, 0]];
  const max = parseInt((v - Math.floor(v)).toString().substring(2));
  let [previous, current] = [NaN];
  let c = v;
  for (let i = 2; i < tries; i++) {
    const n = Math.floor(c);
    const uc = n * ul[i - 1] + ul[i - 2];

mindon

// (selector) in class to reuse classes from first element of selector
// define a class-ref <div id="my" class="a b c d"></div>
// use class ref <div class="ref x y (#my) z"></div>
// result in <div class="ref x y a b c d z"></div>
function refClass(root) {
  [].slice.apply((root || document).querySelectorAll('.ref')).forEach(d => {
    const c = d.className.replace(/\([:#.]?[\w.-]+\)/g, (s) => {
      const q = s.charAt(1) == ':'
        ? `[class-ref="${s.substr(2, s.length - 3)}"]`
        : s.substr(1, s.length -2);

mindon

// qconvert for deno
// updated: 2022-10-11, Mindon<[email protected]>
// e.g. `deno run --allow-read --allow-write --unstable qconvert.ts -i hello.qasm -s qasm -o hello.quil -t quil`
// original: https://github.com/quantastica/qconvert-js

import { default as QuantumCircuit } from "npm:quantum-circuit";
import { parse } from "https://deno.land/std/flags/mod.ts";
import { exists } from "https://deno.land/std/fs/mod.ts";
import { assert } from "https://deno.land/std/testing/asserts.ts";

mindon

package main

// cadder to start|stop|reload simple caddy servers in current directory, without merge all configs into one
// example: /site0/Caddyfile, /site1/caddy.json, `cd /site0/ && cadder start` then `cd /site1/ && cadder start``
//
// How to build cadder?
// you need download and install golang from <https://go.dev/dl/> then `go build cadder.go`
//
// author: [email protected]
// created: 2022-07-14

mindon

git diff HEAD@{1} --diff-filter=ACMR --name-only -z | xargs -0 git archive HEAD -o patch_$(date +'%Y%m%d').zip --