csuzw

// using DynamicLinq
public static Func<TInput, TOutput> GetFuncFromLinq<TInput, TOutput>(this string predicate)
{
    if (string.IsNullOrWhiteSpace(predicate)) return null;

    LambdaExpression expression = DynamicExpression.ParseLambda(typeof(TInput), typeof(TOutput), predicate);

    Func<TInput, TOutput> func = x => (TOutput)expression.Compile().DynamicInvoke(x);

    return func;

csuzw

/// <summary>
/// Crude but effective for my requirements.
/// </summary>
public class ExpressionMemberInfo<T, TProperty> : MemberInfo
{
    private static readonly Dictionary<ExpressionType, string> _operatorDescriptions = new Dictionary<ExpressionType, string>
    {
        { ExpressionType.Add, "+" },
        { ExpressionType.AddAssign, "+" },
        { ExpressionType.AddAssignChecked, "+" },

csuzw

public int DateDiff(int y1, int m1, int d1, int y2, int m2, int d2)
{
	return GetDays(y2, m2, d2) - GetDays(y1, m1, d1);
}

private int GetDays(int y, int m, int d)
{
	var y1 = y - 1;
	var m1 = m - 1;
	var yleap = y - ((18 - m) >> 4);

csuzw

int GetKeyPresses(string message)
{
	return (int)message.Select(c => c < 83 ? ((c - 29) % 3) + 1 : Math.Round(Enumerable.Range(0, 8).Zip(new[] { -400129224492.361d, 32421475419.7348d, -1125710194.76048d, 21711311.9794762d, -251208.877408241d, 1743.70653338347d, -6.72322436313127d, 0.011108192375644d }, (a, b) => b * Math.Pow(c, a)).Sum())).Sum();
}

csuzw

int InverseCaptchPartOne(string input)
{
	return DoInverseCaptcha(input, _ => 1);
}

int InverseCaptchPartTwo(string input)
{
	return DoInverseCaptcha(input, x => x.Length / 2);
}

csuzw

int CorruptionChecksumPartOne(int[][] input)
{
	return input.Sum(r => 
	{
		(var max, var min) = r.Aggregate((max: int.MinValue, min: int.MaxValue), (acc, i) => (i > acc.max ? i : acc.max, i < acc.min ? i : acc.min));
		return max - min;
	});
}

int CorruptionChecksumPartTwo(int[][] input)

csuzw

int SpiralMemoryPartOne(int location)
{
	if (location <= 1) return 0;
		
	var ring = 1; 
	var max = 9;
	while (max < location)
	{
		ring += 1;
		max += (((ring + 1) * 2) - 2) * 4;

csuzw

int HighEntropyPassphrasesPartOne(string[] passPhrases)
{
	return DoHighEntropyPassphrases(passPhrases, w => w);
}

int HighEntropyPassphrasesPartTwo(string[] passPhrases)
{
	return DoHighEntropyPassphrases(passPhrases, w => string.Concat(w.OrderBy(c => c)));
}

csuzw

Keybase proof

I hereby claim:

• I am csuzw on github.
• I am csuzw (https://keybase.io/csuzw) on keybase.
• I have a public key ASCRAdPs2_BCK9ur7mkddBoPT03Wpqh_eNGaF4cuhcDPDQo

To claim this, I am signing this object:

csuzw

// This goes in cypress/plugins/index.js
const AzureAdSingleSignOn = require('./azure-ad-sso/plugin').AzureAdSingleSignOn

module.exports = (on, config) => {
    on('task', {AzureAdSingleSignOn:AzureAdSingleSignOn})
}