yangsibai

To use:

import ScrollView from 'ScrollView.jsx`;
...
render() {
    return (
    <ScrollView>
        {aListThatScrolls}
     </ScrollView>
    );

yangsibai

package main

import (
    "encoding/base64"
    "net/http"
    "strings"
)

type handler func(w http.ResponseWriter, r *http.Request)

yangsibai

type (
	// BuoyCondition contains information for an individual station.
	BuoyCondition struct {
		WindSpeed     float64 `bson:"wind_speed_milehour"`
		WindDirection int     `bson:"wind_direction_degnorth"`
		WindGust      float64 `bson:"gust_wind_speed_milehour"`
	}
 
	// BuoyLocation contains the buoy's location.
	BuoyLocation struct {

yangsibai

#!/bin/sh

# Called by "git push" after it has checked the remote status,
# but before anything has been pushed.
#
# If this script exits with a non-zero status nothing will be pushed.
#
# Steps to install, from the root directory of your repo...
# 1. Copy the file into your repo at `.git/hooks/pre-push`
# 2. Set executable permissions, run `chmod +x .git/hooks/pre-push`

yangsibai

// --- Compiling ---
$ wget http://download.redis.io/releases/redis-2.8.3.tar.gz
$ tar xzvf redis-2.8.3.tar.gz
$ cd redis-2.8.3
$ make
$ make install

// --- or using yum ---
$ rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
$ rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

yangsibai

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

yangsibai

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

yangsibai

-- You need to create a Keychain item whose name matches what you use in place
-- of "[keychain_item_name]" on line #7 (and whose password is identical to your
-- user account's password).

tell application "System Events"
	if ((get name of every process) contains "ScreenSaverEngine") then
		set pw to (do shell script "security find-generic-password -l \"[keychain_item_name]\" -w")
		tell application "ScreenSaverEngine" to quit
		delay 0.5
		keystroke pw

yangsibai

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:

yangsibai

(async function () {
    await wasm_bindgen('oxipng_wasm_bg.wasm')
    window.oxi = wasm_bindgen
    oxi.init()
    const resp = await fetch('y.png')
    const arb = await resp.arrayBuffer()
    const uarr = new Uint8Array(arb)
    console.log(uarr)
    const t0 = performance.now()
    window.result = oxi.optimize_from_memory(uarr)