Alan-Liang

grammar Heredoc;

@lexer::members {
  public boolean heredocValid (String str) {
    String[] lines = str.split("\n");
    String first = lines[0], last = lines[lines.length - 1];
    return first.substring(2).equals(last);
  }
}

Alan-Liang

// -*- mode: Rust; -*-

class Complex (
  RealType extends Math.Field = Float,
  ImagType extends Math.Field = RealType,
) extends Math.Field {
  constructor (real: RealType, imag: ImagType) {}
  fn + (that: Complex) = Complex(real + that.real, imag + that.imag)
  fn +-inverse = Complex(-real, -imag)
  fn abs = (this * conj).real.sqrt()

Alan-Liang

程设课的目的

作业要有目的性; 班级的培养目标是什么? 什么是「计算机科学家」? 实际上, 抑或是「工程师」?

目的直接决定了课程设置的方向和思路。

大的课程思路

自顶向下? 自底向上? 实验入手? whatever?

Alan-Liang

/**
 * Usage:
 * <app-bar>
 *  <teleport-target name="app-bar" />
 * </app-bar>
 * And then:
 * <teleport to="app-bar">
 *  <h1>Hello World!</h1>
 * </teleport>
 */

Alan-Liang

<template>
  <main>
    <p v-if="loading">Loading todos...</p>
    <p v-else-if="loadError">Error loading todos: {{ loadError }}</p>
    <template v-else>
      <p>Add a todo: <input v-model="newTodo"> <button @click="addTodo">add</button></p>
      <ul>
        <li v-for="todo in todos" :key="todo.localId"><button @click="removeTodo(todo)">Remove</button> {{ todo.content }}</li>
      </ul>
    </template>

Alan-Liang

#!/usr/bin/env node
const readline = require('readline')
const printer = require('node-native-printer')

const [ ,, filePath, pageCount, printerName ] = process.argv
if (!filePath || !pageCount) process.exit(-1)

const print = function (options) {
  const res = printer.print(filePath, options, printerName || 'HP_LaserJet_Professional_M1136_MFP')
  if (!res) throw 'No result from CUPS'

Alan-Liang

const ᆖ=9007199254740991,ᆖ‍=67108864,ᆖ‌=1145141,ᆖ‍‍=1,f=ᆖ‍‌=>ᆖ‍‌>ᆖ‍&&ᆖ‍‌*ᆖ‍‌<ᆖ&&ᆖ‍‌===ᆖ‍‌&&!((ᆖ‌‍,ᆖ‌‌,ᆖ‍‍‍,ᆖ‍‍‌,ᆖ‍‌‍,ᆖ‍‌‌)=>ᆖ‍‍‌=ᆖ‌‍‍=>--ᆖ‌‍>ᆖ‍‍?((ᆖ‍‌‍=ᆖ‌‍‍=>--ᆖ‌‌>ᆖ‍‍?((ᆖ‍‌‌=ᆖ‌‍‍=>--ᆖ‍‍‍>ᆖ‍‍?(ᆖ‌‍=(ᆖ‌‍*ᆖ‌‌)%ᆖ‌,ᆖ‌‌=(ᆖ‌‍*ᆖ‌‌)%ᆖ‌,ᆖ‍‌‌()):ᆖ‌‍‍)(),ᆖ‍‌‍()):ᆖ‌‍‍)(),ᆖ‍‍‌()):ᆖ‌‍&&ᆖ‌‌)(ᆖ‍‌,ᆖ‍‌,ᆖ‍‌)()

Alan-Liang

Keybase proof

I hereby claim:

• I am Alan-Liang on github.
• I am alanliang (https://keybase.io/alanliang) on keybase.
• I have a public key whose fingerprint is D80E 1B95 F4D7 2DC8 D8D5 ED13 ADDA 8090 B117 1126

To claim this, I am signing this object:

Alan-Liang

Some discussions: (in chinese)

https://www.v2ex.com/t/656367
https://www.v2ex.com/t/656394
http://dacongyun.com/archives/216644.html

Alan-Liang

# TODO

import librosa
import json
import time

__version__ = 1
__authors__ = ['Alan-Liang']