dmreiland

Direct links to free Springer maths books (pdf versions)

duplicates = multiple editions

A Classical Introduction to Modern Number Theory,Kenneth IrelandMichael Rosen

A Classical Introduction to Modern Number Theory,Kenneth IrelandMichael Rosen

A Course in Arithmetic,Jean-Pierre Serre

dmreiland

var AWS = require('aws-sdk');
var http = require('http');
var httpProxy = require('http-proxy');
var express = require('express');
var bodyParser = require('body-parser');
var stream = require('stream');

if (process.argv.length != 3) {
    console.error('usage: aws-es-proxy <my-cluster-endpoint>');
    process.exit(1);

dmreiland

#!/bin/bash

if [ "$1" = "-h" -o "$1" = "--help" -o -z "$1" ]; then cat <<EOF
appify v3.0.1 for Mac OS X - http://mths.be/appify
Creates the simplest possible Mac app from a shell script.

Appify takes a shell script as its first argument:

    `basename "$0"` my-script.sh

dmreiland

Raspberry pi dashboard

This is what we did to setup a few dashboards at platanus

You'll need

• Raspberry Pi
• Dashing Service
• Wifi stick (optional)

dmreiland

#!/usr/bin/env bash

# crashplan-setup.sh

usage () {
	echo "Usage: $0 <server> [user]"
	exit 255
}

SERVER="$1"

dmreiland

Centralised logging for Docker containers running Spring Boot applications

Log flow through the system

About

We have a bunch of Spring Boot apps running in various Docker containers and wanted a centralised place to view the logs

dmreiland

## convert HTML POST data or HTTP GET query string to JSON
 
## get the raw post data from the AWS built-in variable and give it a nicer name
#if ($context.httpMethod == "POST")
 #set($rawAPIData = $input.path('$'))
#elseif ($context.httpMethod == "GET")
 #set($rawAPIData = $input.params().querystring)
 #set($rawAPIData = $rawAPIData.toString())
 #set($rawAPIDataLength = $rawAPIData.length() - 1)
 #set($rawAPIData = $rawAPIData.substring(1, $rawAPIDataLength))

dmreiland

// Q sample by Jeff Cogswell

/*===========
 We want to call these three functions in sequence, one after the other:
 
 First we want to call one, which initiates an ajax call. Once that 
 ajax call is complete, we want to call two. Once two's ajax call is 
 complete, we want to call three.
 
 BUT, we don't want to just call our three functions in sequence, as this quick 

dmreiland

This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.

You're Missing the Point of Promises

Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:

getTweetsFor("domenic", function (err, results) {
 // the rest of your code goes here.

dmreiland

# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048