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Writing code poems from home

Huafu Gandon huafu

Writing code poems from home
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huafu / main.dart
Created May 28, 2020
inheritance issues
View main.dart
abstract class IQuery {}
abstract class IDocument {}
abstract class IModel {
IQuery buildQuery({
IDocument from, // putting dynamic here doesn't fix the issue
int Function(IDocument, IDocument) clientSort,
// ...
huafu / clone.ts
Created Jul 18, 2018
JavaScript real object clone
View clone.ts
export default function clone<T>(base: T): T {
const res = Object.create(base.constructor.prototype)
Object.defineProperties(res, Object.getOwnPropertyDescriptors(base))
return res
huafu / a.ts
Last active Jun 15, 2018
Issue with firebase typings when sharing code between frontend and backend
View a.ts
// INFO: this has been simplified a maximum just to show the underlying issue
import { database as rtdbClient } from 'firebase'
import { database as rtdbServer } from 'firebase-admin'
type Database = rtdbClient.Database | rtdbServer.Database
type DataSnapshot = rtdbClient.DataSnapshot | rtdbServer.DataSnapshot
interface User {
id: string
huafu /
Created Dec 15, 2015
Backup of LVM logical volume by creating a gzip compressed image of temporary snapshot
# usage:
# lvimg lv_dev [backup_path]
# lv_dev: path to the logical volume to backup
# backup_path: optional, base path of backups (default to /mnt/backups)
# config
huafu / gist:b34ad7062dc7f09cd80b
Created Jun 16, 2015
Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter not recognized as a wifi card in OpenWrt 15.05-r2 on a RaspBerry B+
View gist:b34ad7062dc7f09cd80b

I have a fresh install of OpenWrt 15.05-rc2 on a RaspBerry B+

root@bnh-traveller:~# uname -a
Linux bnh-traveller 3.18.11 #1 Mon May 18 21:56:20 CEST 2015 armv6l GNU/Linux

I have already installed required packages with success

root@bnh-traveller:~# opkg install kmod-rt2800-lib kmod-rt2800-usb kmod-rt2x00-lib kmod-rt2x00-usb  
Package kmod-rt2800-lib (3.18.14+2015-03-09-3) installed in root is up to date.
View app_initializers_session-service.js
export function initialize(container, application) {
application.inject('service:session', 'store', 'store:main');
application.inject('route', 'session', 'service:session');
application.inject('controller', 'session', 'service:session');
application.inject('model', 'session', 'service:session');
application.inject('component', 'session', 'service:session');
// load the current session
container.lookup('service:session').load().then(function () {
huafu / search-icon.html
Created Dec 24, 2014
HTML search icon (magnifier)
View search-icon.html
<span style="display: inline-block;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-o-transform: rotate(45deg);">
View index.html
<script type="text/x-handlebars" data-template-name="index">
{{each itemView='dummy'}}
<script type="text/x-handlebars" data-template-name="dummy">
{{view.val}} {{t}}
huafu / with-style.js
Created Oct 23, 2014
Add a `styleBindings` property to views which can be used like `attributeBindings`. Support units as well.
View with-style.js
import Ember from 'ember';
* @mixin WithStyleMixin
var WithStyleMixin = Ember.Mixin.create({
concatenatedProperties: ['styleBindings'],
attributeBindings: ['style'],
huafu /
Created Oct 21, 2014
Very simple logger to instrument objects and methods
logger =
_anonymousIndex: 0
guessMethodName: (method) ->
unless (res = (->)[^\(]*)/)[1].replace(/(^\s+|\s+)$/g, ''))
res = logger.autoNamespace()
autoNamespace: ->
"[anonymous##{ ++logger._anonymousIndex }]"