1c7

    # For Safety
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header Content-Security-Policy "default-src https: data: 'unsafe-inline' 'unsafe-eval'" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Xss-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    server_tokens off;
    add_header Referrer-Policy "no-referrer-when-downgrade";
    add_header Feature-Policy "midi none;notifications none;push none;sync-xhr none;microphone none;camera none;magnetometer none;gyroscope none;speaker self;vibrate none;fullscreen self;payment none;";
    # Sources: 

1c7

// This is written in Pug syntax. not HTML. but same thing. Pug would compile to HTML

template(v-for='(l, index) in list')
  topic-card(:topic='t', :key='t.id')
  template(v-if='index == 2')
    // [IMPORTANT: display your specifial element here]

1c7

http://1c7.me/2018-8-31-fix-base64-img-in-database-to-url/

1c7

import { routerRedux } from 'dva/router';
  
export default class Analysis extends Component {
  // ==============
  toUserList = () => {
    const { dispatch } = this.props;
    dispatch(routerRedux.push('/list/user-list'));
  };
  // ==============
  render(){

1c7

# Python 3
import base64

# Fill in this
base64_string = 'data:image/jpeg;base64, ...etc..'

array = url.split('data:image/jpeg;base64,')
base64_naked = array[1]
imgdata = base64.b64decode(base64_naked)
with open('haha.jpg', 'wb') as f:

1c7

// 负责上传文件
import API_common from '@/api/common'


// 上传文件到七牛
// 这个函数用到了另外2个函数：get_upload_token, qiniu_upload
function upload(user_id, file, progress_callback){
  return new Promise(function (resolve, reject) {
    get_upload_token().then(token=>{
      resolve(token);

1c7

## What you need
1. youtube-dl
2. aria2
3. Proxy(if you live in Country like China)

## Run this in command line

export http_proxy=http://127.0.0.1:1087;export https_proxy=http://127.0.0.1:1087;

youtube-dl --external-downloader aria2c --external-downloader-args "-x 16  -k 1M" https://www.youtube.com/watch?v=rAeN7TdGq4o

1c7

Vue.filter('fm-truncate', function (value, length) {
  if (!value) return ''
  value = value.toString()
  if(value.length > length){
    return value.substring(0, length) + "..."
  }else{
    return value
  }
})

1c7

```bash
set http_proxy=http://127.0.0.1:1080;export https_proxy=http://127.0.0.1:1080;
```

1c7

import RNFetchBlob from 'react-native-fetch-blob';
import RNFS from'react-native-fs';

  let dirs = RNFetchBlob.fs.dirs
  const file_path = dirs.DCIMDir + '/' + 'wechat.jpg';
  RNFS.copyFileAssets('wechat.jpg', file_path)
  .then(() => {
    RNFetchBlob.fs.scanFile([{ path: file_path }])
  })
  .catch((error) => console.log(error));