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using System;
using MathNet.Numerics.LinearAlgebra.Double;
using MathNet.Numerics.LinearAlgebra.Double.Factorization;

namespace PolyRegressionCoefficients
{
    class Program
    {

        public static void DrawRegression(double[] coeffs, double[] xList)

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On the topic of tail calls in .NET

Let's say you have implemented a small data pipeline library to replace LINQ.

module TrivialStream =
  type Receiver<'T> = 'T            -> unit
  type Stream<'T>   = Receiver<'T>  -> unit

  module Details =

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unsafe private static void ShowAddress(string name, int[] item)
{
    fixed (int* addr = item)
    {
        Console.Write($"\t0x{(ulong)addr:X}");
    }
}

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The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

• "Build tools for others that you want to be built for you." - Kenneth Reitz
• "Simplicity is alway better than functionality." - Pieter Hintjens

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How to recover lost Python source code if it's still resident in-memory

I screwed up using git ("git checkout --" on the wrong file) and managed to delete the code I had just written... but it was still running in a process in a docker container. Here's how I got it back, using https://pypi.python.org/pypi/pyrasite/ and https://pypi.python.org/pypi/uncompyle6

Attach a shell to the docker container

Install GDB (needed by pyrasite)

apt-get update && apt-get install gdb

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Convert SVN Repositories to Git Repositories

This guide on how to convert an SVN repository to a git repository was mostly taken from John Albin Wilkins post on Converting a Subversion repository to Git.

1. Retrieve a list of all Subversion committers

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Internet Scale Services Checklist

A checklist for designing and developing internet scale services, inspired by James Hamilton's 2007 paper "On Desgining and Deploying Internet-Scale Services."

• http://mvdirona.com/jrh/talksandpapers/jamesrh_lisa.pdf

Basic tenets

• Does the design expect failures to happen regularly and handle them gracefully?
• Have we kept things as simple as possible?

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using Microsoft.Diagnostics.Tracing;
using Microsoft.Diagnostics.Tracing.Session;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;

namespace ClrDacManaged
{
    class Program

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Using Git

Global Settings

Related Setup: https://gist.github.com/hofmannsven/6814278

Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/

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#RxJS 5 Operators By Example A (soon to be) complete list of RxJS 5 operators with easy to understand explanations and runnable examples.

(I will be adding one operator per day until all are included.)

Chinese Version by: @DrakeLeung

Table of Contents

• buffer
• bufferCount