thomaslevesque

void Main()
{
    var array = new byte[10000000];

    var initBlk = new InitblkMemoryHelper();
    var loop = new LoopMemoryHelper();
    
    // First run for JIT warmup and type initialization
    initBlk.Memset(array, 0, array.Length, 42);
    loop.Memset(array, 0, array.Length, 42);

apangin

_hashCode                               java/lang/Object.hashCode()I
_getClass                               java/lang/Object.getClass()Ljava/lang/Class;
_clone                                  java/lang/Object.clone()Ljava/lang/Object;
_dabs                                   java/lang/Math.abs(D)D
_dsin                                   java/lang/Math.sin(D)D
_dcos                                   java/lang/Math.cos(D)D
_dtan                                   java/lang/Math.tan(D)D
_datan2                                 java/lang/Math.atan2(DD)D
_dsqrt                                  java/lang/Math.sqrt(D)D
_dlog                                   java/lang/Math.log(D)D

bretcope

// Runnable from Linqpad 5
// Must install the Sigil nuget package and include the Sigil namespace

void Main()
{
	var createSample = GetMapperDelegate();
	
	// try it out
	createSample(23, "Hello").Dump();
}

bbowyersmyth

public static bool ContainsTokenUnroll(string value, string token, char delimiter = ';')
{
    if (string.IsNullOrEmpty(token)) return false;
    if (string.IsNullOrEmpty(value)) return false;

    var valueLength = value.Length;
    var tokenLength = token.Length;

    if (tokenLength > valueLength) return false;

xoofx

using System;
using System.Runtime.InteropServices;

namespace EvilArray
{
    /// <summary>
    /// Cast an array of structs to an array of byte[]
    /// </summary>
    class Program
    {

xoofx

General

• Dataflow (Task Parallel Library)
• Document: Introduction to TPL Dataflow (Microsoft - Stephen Toub)
• Video: Beginner: TPL Dataflow Tour (Stephen Toub), 15min
• Video: Advanced: Stephen Toub: Inside TPL Dataflow (Stephen Toub), 1h

Repos

• System.Threading.Tasks.Dataflow on github
• Gridsum.DataflowEx : An Extension to DataFlow (@gridsum)

benaadams

public unsafe static string FastIntegerToIPAddress(uint input)
{
    var input0 = (input & 0xff000000) >> 24;
    var input1 = (input & 0xff0000) >> 16;
    var input2 = (input & 0xff00) >> 8;
    var input3 = (input & 0xff);

    var length0 = input0 > 99 ? 3 : input0 > 9 ? 2 : 1;
    var length1 = input1 > 99 ? 3 : input1 > 9 ? 2 : 1;
    var length2 = input2 > 99 ? 3 : input2 > 9 ? 2 : 1;

leppie

using Microsoft.Diagnostics.Tracing;
using Microsoft.Diagnostics.Tracing.Parsers;
using Microsoft.Diagnostics.Tracing.Parsers.Clr;
using Microsoft.Diagnostics.Tracing.Session;
using System;
using System.Collections.Concurrent;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

NickCraver

public static List<T> Query<T>(this DataContext db, string sql, object param = null, int? commandTimeout = null, IDbTransaction transaction = null, [CallerFilePath]string fromFile = null, [CallerLineNumber]int onLine = 0, string comment = null)
{
    using (db.Connection.EnsureOpen())
    {
        try
        {
            return db.Connection.Query<T>(MarkSqlString(sql, fromFile, onLine, comment), param, transaction ?? db.Transaction, true, commandTimeout).AsDapperList();
        }
        catch (SqlException ex) when (ex.Is(SqlErrorCode.DatabaseReadOnly_3906))
        {

aL3891

using System;
using static System.Text.Encoding;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Diagnostics.Windows;
using BenchmarkDotNet.Running;
using Xunit;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;