DavidBrower

static class EventStoreConnectionExtensions
{
    public static Task<EventStoreRxSubscription> SubscribeToAll(this EventStoreConnection connection, bool resolveLinkTos)
    {
        return Task<EventStoreRxSubscription>.Factory.StartNew(() => {
            var subject = new Subject<ResolvedEvent>();

            var subscriptionTask = connection.SubscribeToAll(resolveLinkTos, subject.OnNext, () => subject.OnError(new SubscriptionDroppedException()));
            subscriptionTask.Wait();

DavidBrower

    /// <summary>
    /// Instantiates TClass using a compiled lambda expression and caches it. This assumes a parameterless constructor.
    /// </summary>
    /// <typeparam name="TClass">The type of the class to be instantiated.</typeparam>
    internal static class New<TClass> where TClass : class
    {
        public static readonly Func<TClass> Instance = Expression.Lambda<Func<TClass>>(Expression.New(typeof(TClass))).Compile();

        /// <summary>
        /// Allows a class to be instantiated using a parameterised constructor

DavidBrower

open System

let isDivisibleBy seq n =
      seq
      |> Seq.forall (fun x -> n % x = 0)

Seq.unfold (fun x -> Some(x, x + 20)) 20
    |> Seq.find (isDivisibleBy [|1 .. 20|])

DavidBrower

open System

let sumOfSquares = 
    [|1 .. 100|]
    |> Array.map (fun x -> x * x)
    |> Array.sum

let squareOfSum = 
    [|1 .. 100|]
    |> Array.sum

DavidBrower

open System

let isPrime (n : int64) =
    let upperBound = n |> float |> sqrt |> int64
    seq {2L .. upperBound}
        |> Seq.forall (fun x -> n % x <> 0L)

Seq.unfold (fun x -> Some(x, x + 1L)) 1L
    |> Seq.filter isPrime
    |> Seq.nth 10001

DavidBrower

sum [x | x <- [1..999], mod x 3 == 0 || mod x 5 == 0]

DavidBrower

  using System;

  public static class TypeSwitch
  {
      public class CaseInfo
      {
          public bool IsDefault { get; set; }
          public Type Target { get; set; }
          public Func<object, string> Action { get; set; }
      }

DavidBrower

yellow() { tput setaf 3; cat; tput sgr0; }
green() { tput setaf 2; cat; tput sgr0; }
cyan() { tput setaf 6; cat; tput sgr0; }
alias ll='ls -lhA'
alias g='git'
alias c='clear'
alias d='docker'
alias reload='source ~/.bash_profile'
alias v='vim'
source ~/git-completion.bash

DavidBrower

select
      name
    , filename
    , convert(decimal(12,2),round(a.size/128.000,2)) as FileSizeMB
    , convert(decimal(12,2),round(fileproperty(a.name,'SpaceUsed')/128.000,2)) as SpaceUsedMB
    , convert(decimal(12,2),round((a.size-fileproperty(a.name,'SpaceUsed'))/128.000,2)) as FreeSpaceMB
from dbo.sysfiles a

DavidBrower

DECLARE @TableName sysname
SET @TableName = 'table_name'

SELECT OBJECT_NAME(object_id) as [Table Name], format(SUM(row_count), '###,###') AS [Row Count]
FROM sys.dm_db_partition_stats
WHERE object_id = OBJECT_ID(@TableName)
AND index_id < 2
GROUP BY OBJECT_NAME(object_id);