alastairtree

using System;
using System.IO;
using System.Text;
using System.Xml;
using System.Xml.Serialization;

namespace Util
{
    public static class XmlUtil
    {

alastairtree

namespace Util
{
    public static class ExceptionExtensions
    {
        public static T Unwrap<T>(this Exception exception) where T : class
        {
            return exception.InnerException?.Unwrap<T>() ?? exception as T;
        }

        public static Exception Unwrap(this Exception exception)

alastairtree

using System;
using System.Configuration;

namespace Util
{
    public static class Config
    {
        public static string GetSetting(string key) => ConfigurationManager.AppSettings[key];

        public static bool HasSetting(string key) => !string.IsNullOrEmpty(GetSetting(key));

alastairtree

using System;

namespace Util
{
    public interface IClock
    {
        DateTime NowUtc { get; }
    }
    
    public class Clock : IClock

alastairtree

using System;
using System.Configuration;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using log4net;

namespace Utils
{

alastairtree

using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace LanguageUtils
{
    public static class PluralisationHelper
    {
        private static readonly Dictionary<string, string> KnownCommonPluralsDictionary = new Dictionary<string, string>
        {
            {"children", "child"},

alastairtree

using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml;
using Newtonsoft.Json.Linq;

namespace Formatters
{
    public class XmlDocumentCleanJsonFormatter : XmlDocumentRawJsonFormatter
    {

alastairtree

$DemoUser = 'Domain\username'
$DemoPass = 'complexpassword'
$Command = "ECHO 'Hello world'; WhoAmi;"
$StdOutLogFile = "$env:windir\temp\PowerShellElevatedStdOut.log"

$SecurePassword = ConvertTo-SecureString $DemoPass -AsPlainText -Force
$Credential = New-Object System.Management.Automation.PSCredential $DemoUser, $securePassword

"Running '$Command' as current user"

alastairtree

#System Design Interview Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

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REM   Will create c:\Deploy, share as "\\server\Deploy" 
REM   and grant change permissions to administrators and users

cmd /c "(C: & (mkdir C:\Deploy 2> NUL)) & (net share Deploy=C:\Deploy /grant:"Users",CHANGE /grant:Administrators,CHANGE 2> NUL)"