jinwei233

#!/usr/bin/env ruby
require 'tempfile'
require 'fileutils'

# Signals
trap("SIGINT") { exit }

# Setup
TARGET_FOLDER = ARGV[0]
TARGET_URL    = ARGV[1]

jinwei233

// refs: 
// 1. https://gist.github.com/mikaelbr/9900818
// 2. https://medium.com/@pyrolistical/destructuring-nested-objects-9dabdd01a3b8

jinwei233

在线资源

• 腾讯云容器服务
• 使用腾讯云容器服务来构建简单web service
• node Hello World
• 如何构建 docker 镜像
• Docker快速入门与进阶
• Docker —— 从入门到实践

docker 的应用场景

• https://github.com/yukinying/chrome-headless-browser-docker

学习笔记

jinwei233

% https://tex.stackexchange.com/questions/11866/compile-a-latex-document-into-a-png-image-thats-as-short-as-possible
% 实际使用，不需要设置 size
% density 还是需要的
% 如果必要，需要支持中文，以及 ams math 等
\documentclass[convert={density=300,size=1080x800,outext=.png}]{standalone}
\begin{document}
Hello. This is a test.
\begin{equation}
L = 2
\end{equation}

jinwei233

#!/usr/bin/env python
'''
NAME
    latex2png - Converts LaTeX source to PNG file

SYNOPSIS
    latex2png [options] INFILE

DESCRIPTION
    This filter reads LaTeX source text from the input file

jinwei233

#!/bin/bash
alias latex='/usr/bin/latex'
alias dvipng='/usr/bin/dvipng'
alias convert='/usr/bin/convert'
#choose a number from 75-300
density=300

if [ $# != 2 ]
then
    echo "Usage: $0 output_file latex_code"

jinwei233

# Usage:                                                                                                                                       
#  ruby latex_server.rb                                                                                                                        
#                                                                                                                                              
# Try: <img src="http://localhost:4567/\cos \frac{\pi}{2} = 0">                                                                                
# Get: A nice looking png of: cos(pi/2) = 0                                                                                                    
#                                                                                                                                              
# Bug1: Ellipses (...) don't work. Probably the way urls are parsed                                                                            
#       b

jinwei233

/**
 * 方案二：
 * 使用 FlatList 来实现的无限滚动列表
 */

import React, { Component } from "react";

import {
    View, 
    Text, 

jinwei233

/**
 * 使用 Animated View 实现的轮播
 * 嵌套在 ListView/FlatList 中效果不好！
 */

'use strict';
var React = require('react');
import {
    AppRegistry,
    StyleSheet,

jinwei233

import React, { Component } from 'react';

import {
    StyleSheet,
    Image,
    View,
    Dimensions,
    TouchableWithoutFeedback,
} from 'react-native';