David Pu DavidPu

The Sonic Pi file moonlightSonata-RF.rb which plays Beethoven's Moonlight Sonata 1st Movement requires the use of the Grand Piano samples from the Sonatina Symphonic Orchestra produced by Matthias Westlund.

Unfortunately this is no longer available from his website https://sso.mattiaswestlund.net/ However there is an alternative available at https://github.com/peastman/sso from where you can download the library. It is coverd by a https://creativecommons.org/licenses/sampling+/1.0/ Download and expand on your Desktop, or other suitable location and then set the link in the program at line 9 appropraitely for your installation.

The file should be run using the run_file "/path/to/file/location" command as it is too long to run from a Sonic Pi buffer.

An alternative version using the built in piano synth in Sonic Pi is included for comparison.

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

HTTP Streaming (or Chunked vs Store & Forward)

The standard way of understanding the HTTP protocol is via the request reply pattern. Each HTTP transaction consists of a finitely bounded HTTP request and a finitely bounded HTTP response.

However it's also possible for both parts of an HTTP 1.1 transaction to stream their possibly infinitely bounded data. The advantages is that the sender can send data that is beyond the sender's memory limit, and the receiver can act on

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

You can get the list of installed codecs with:

Bash-completion is very slow on MSYS2

Bash-completion is very slow on MSYS2 when the current user is a domain user. This describes the cause and the solutions.

Cause

Expansion of ~* is very slow when you use a domain user. For example:

Nice answer on stackoverflow to the question of when to use one or the other content-types for POSTing data, viz. application/x-www-form-urlencoded and multipart/form-data.

“The moral of the story is, if you have binary (non-alphanumeric) data (or a significantly sized payload) to transmit, use multipart/form-data. Otherwise, use application/x-www-form-urlencoded.”

Matt Bridges' answer in full:

The MIME types you mention are the two Content-Type headers for HTTP POST requests that user-agents (browsers) must support. The purpose of both of those types of requests is to send a list of name/value pairs to the server. Depending on the type and amount of data being transmitted, one of the methods will be more efficient than the other. To understand why, you have to look at what each is doing

	#!/bin/sh

	set -u
	set -e
	umask 0077

	prefix="/opt/openssh"
	top="$(pwd)"
	root="$top/root"
	build="$top/build"

	These commands are based on a askubuntu answer http://askubuntu.com/a/581497
	To install gcc-6 (gcc-6.1.1), I had to do more stuff as shown below.
	USE THOSE COMMANDS AT YOUR OWN RISK. I SHALL NOT BE RESPONSIBLE FOR ANYTHING.
	ABSOLUTELY NO WARRANTY.

	If you are still reading let's carry on with the code.

	sudo apt-get update && \
	sudo apt-get install build-essential software-properties-common -y && \
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \

	#!/bin/bash

	### Google Domains provides an API to update a DNS "Syntheitc record". This script
	### updates a record with the script-runner's public IP, as resolved using a DNS
	### lookup.
	###
	### Google Dynamic DNS: https://support.google.com/domains/answer/6147083
	### Synthetic Records: https://support.google.com/domains/answer/6069273

	USERNAME=""

	// Get all users
	var url = "http://localhost:8080/api/v1/users";
	var xhr = new XMLHttpRequest()
	xhr.open('GET', url, true)
	xhr.onload = function () {
	var users = JSON.parse(xhr.responseText);
	if (xhr.readyState == 4 && xhr.status == "200") {
	console.table(users);
	} else {
	console.error(users);