ungood

function calcEquinox(midpoint) {
    midpoint = midpoint || new Date();
    var moonLanding = new Date("7/20/1969 20:17:40 UTC");
    console.log(moonLanding);
    var equinox = (2 * midpoint.getTime()) - moonLanding.getTime();
    return new Date(equinox);
}

ungood

module add(a, b, out);
    input  [4:0] a, b;
    output [4:0] out;
    
    wire a, b;
    reg out;
    
    always @(a or b)
        out = a + b;
endmodule;

ungood

public class Order
{
    private List<OrderItem> items = new List<OrderItems>();
    
    public IEnumerable<OrderItem> Items
    {
        get { return items.Take(int.MaxValue); }
    }
}

ungood

const int topPin = 3;
const int bottomPin = 4;
const int upPin = 5;
const int downPin = 6;
const int sensorPin = 0; // analog pin

const int nightThreshold = 50;
const int dayThreshold = 900;
const int nightLength = 8 * 60 * 60 * 1000; // 8 hours in ms.

ungood

#include <Button.h>

// LEDs
const int numLedsInArray = 16;
const int numPinsPerLed  = 3;

// Pattern Settings
const int patternIncrement = 16;
const int incrementDivider = 8;
const int patternRange = numLedsInArray * patternIncrement; //* incrementDivider;

ungood

public static string GetProductDetails(string id)
{
   var reader = blahBlahBlah();
   
   var list = new List<object>();
   while(reader.Read())
   {
      list.Add(new {
          Id = reader["Id"],
          Name = reader["Name"],

ungood

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project source="2.7.1" version="1.0">
This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/).
<lib desc="#Wiring" name="0">
    <tool name="Splitter">
      <a name="facing" val="west"/>
    </tool>
    <tool name="Tunnel">
      <a name="width" val="8"/>
    </tool>

ungood

public class SensitiveStuff
{
    private List<int> doNotAddToMe = new List<int>();
    
    public IEnumerable<int> DoNotAddToMe
    {
        get { return doNotAddToMe; } 
    }
}

ungood

public class WhenSomethingSomethingSomething : BaseShippingOverrideContext
{
    [TestCase(NoOverrideId, new DateTime(2011, 9, 23, 10, 21, 13), true]
    [TestCase(PennsylvaniaNightSortId, new DateTime(2011, 9, 23, 14, 16, 0), true]
    [TestCase(PennsylvaniaNightSortId, new DateTime(2011, 9, 23, 12, 0, 0), false]
    public void CheckTimeRestrictionShouldReturnCorrectValue(int typeId, DateTime orderDate, bool expected)
    {
        var override = ShippingOverridePostalCodeTypeFactory.CreateTypeById(typeId);
        ServiceUnderTest.CheckTimeRestriction(override, orderDate);
    }

ungood

var r = new Regex(@"^(?<property>[\w]+):(?<error>.+)$", RegexOptions.Multiline);
var lookup = r.Matches("xyz").Cast<Match>().ToLookup(
	 => m.Groups["property"].Value,
         => m.Groups["error"].Value);