import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while (1):

    _, frame = cap.read()

    hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

    lower_green = np.array([40, 50, 50])
    upper_green = np.array([80, 102, 200])

    # Threshold the HSV image to get only green colors
    mask = cv2.inRange(hsv, lower_green, upper_green)

    total_pixels = mask.shape[0] * mask.shape[1]
    print "Number of pixels: %", total_pixels

    pixel_counter = 0
    x_counter = 0
    y_counter = 0
    for y in xrange(640):
        for x in xrange(480):
            pixel = mask[x, y]
            if pixel == 255:
                pixel_counter += 1
                x_counter += x
                y_counter += y
    x_center = x_counter / pixel_counter
    y_center = y_counter / pixel_counter
    print x_center, y_center

    cv2.line(frame, (x_center+15, y_center), (x_center+2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center-15, y_center), (x_center-2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center+15), (x_center, y_center+2), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center-15), (x_center, y_center-2), (235, 218, 100), 1)

    cv2.circle(frame, (x_center, y_center), 4, (235, 218, 100), 2)

    cv2.imshow('frame', frame)

    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()

track the green color

By Vik.victory, 2017-06-23 19:10:32
Handlebars.registerHelper("compare", function(a, operator, b) {
    var result = false;

    try {
      switch (operator) {
        case "==":
          // eslint-disable-next-line eqeqeq
          result = a == b;
          break;
  
        case "===":
          result = a === b;
          break;
  
        case "!=":
          // eslint-disable-next-line eqeqeq
          result = a != b;
          break;
  
        case "!==":
          result = a !== b;
          break;
  
        case "<":
          result = a < b;
          break;
  
        case ">":
          result = a > b;
          break;
  
        case "<=":
          result = a <= b;
          break;
  
        case ">=":
          result = a >= b;
          break;
  
        case "typeof":
          // eslint-disable-next-line valid-typeof
          result = typeof a === b;
          break;
  
        default: {
          throw new Error(
            "helper {{compare}}: invalid operator: ' + ".concat(operator, " + '")
          );
        }
      }
    } catch (err) {
      console.error("\n********** ".concat(err, "."));
    }
  
    return result;
});
By Anonymous, 2019-04-02 15:46:35
    public function getProfilePicture(Company $company, $id, $url = null) {
        // @TODO: Figure out how to do this.
        return null;
    }
By Anonymous, 2019-04-12 15:16:30
const newReply = (reply !== null) ? reply : null;
By foxy, 2018-06-04 21:19:27
nohup find dump_events/* -type f -name "*.jpg" -exec bash -c "cp -v {} \"backup_events/\`ls {} --full-time --time-style="+%Y-%m-%d_%H-%M-%S" | cut -d ' ' -f 6 \`_\`md5sum {} | cut -d ' ' -f 1\`.jpg\";" \; & 

Let's do this... I may also add this... And this... And that... And the other thing there... Then calculate how flat the earth is... But in one line!

By Bazhmania, 2018-12-04 10:20:40
<Image source={ this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? iconBlue
                                    : iconWhite
                                    : i.dropoff 
                                    ? iconBlue
                                    : iconWhite} style={{
                                      height:this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? 30
                                    : i.sign === 'D' ? 30 : 35
                                    : i.dropoff 
                                    ? 30
                                    : i.sign === 'D' ? 30 : 35,
                                    marginRight:10 ,
                                    width: this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? 40
                                    : 40
                                    : i.dropoff 
                                    ? 40
                                    : 40
                                    ,resizeMode:'contain'}}/>

I love when the code is neat...

By Fluttershy, 2019-03-05 11:40:08
const handleBoolean = value => {
        switch (value) {
            case "true":
                return true;
            case true:
                return "true";
            case "false":
                return false;
            case false:
                return "false"
            default:
                return null;
        }
    }
By Ifncn, 2022-01-27 07:49:16
local Plr = game.Players.LocalPlayer

for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].AccessoriesList:GetChildren()) do
v.Value = "Unlocked"
end
for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].StanceList:GetChildren()) do
v.Value = "Unlocked"
end
for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].RunningList:GetChildren()) do
v.Value = "Unlocked"
end
for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].FlyingList:GetChildren()) do
v.Value = "Unlocked"
end
for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].FightingStyles:GetChildren()) do
v.Value = "Unlocked"
end
for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].MoveList:GetChildren()) do
v.Value = "Unlocked"
end
for i,v in pairs(game.ReplicatedStorage.DataStorage[Plr.Name].Data["Slot1"].ClothingList:GetChildren()) do
v.Value = "Unlocked"
end

Bad unlock script for Roblox

By JayRain, 2020-03-14 03:01:24
maybeSomething match {
  case Some(x) => true
  case None => false
}

maybeSomething.getOrElse(false) Short code and readable

By Majid Hosseini, 2017-12-16 07:03:07
isCreatedUser : !this.isEdit ? true : false

Vue.js project, someone wanted to verify if the user was being edited or created...

By rat, 2021-10-21 17:11:54
var div = '<div class="imgdiv" '+(user[5] ? 'style="display: flex; flex-direction: column; padding: 10px; justify-content: flex-end; background-image: url(\''+user[5]+'\');"' : '')+'>'
        + (usersVideos[userId] && <?= ($authuser ? 'true' : 'false') ?> ? '<i class="f7-icons icon-acc" onclick="videoShow('+user[uID]+')" style="color: white; font-size: 50px; margin-bottom: 5px; cursor: pointer; text-align: left;">play_round</i>' : '')
        + (iam && page=='home' ? '<div> <input id="video-input" onchange="uploadVideo(files)" type="file" accept="video/*" style="display: none; width: 80%; height: 100px; margin: auto; padding-top: 20px;"/> </div> <p class="action_cont" style="padding: 0; padding-top: 12;"> <a class="act_btn" onmousedown=document.getElementById("video-input").click() href="javascript:void(0)" style="text-decoration: none; margin: auto; width: calc(100% - 26px); text-align: center;"> ' + (myMods['video'] ? 'Загрузить новое видео' : 'Добавить видео-превью' ) + ' </a> </p>' : '')
+ '</div>'

JS + CSS + PHP + HTML

By Anon, 2018-08-24 18:30:12
if(userEndDate.getTime() != null
    && userEndDate.getTime() > today.getTime()
    && endDateFromRequest != null ? endDateFromRequest.getTime() !== userEndDate.getTime() : true){
            
            //some code
     }

for code lovers :D

By Unnamed, 2018-11-30 16:12:08
bool calculateLeapYear(uint8_t year) {
    if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) {
        return true;
    } else {
        return false;
    }
}

uint8_t and a useless if.

By eha, 2023-06-19 23:01:57
def get_schema(self, schema: object) -> object:
    """Get the Schema class
    """
    if isinstance(schema, str):
        Schema = getattr(self.request["operation"], schema, None)
    else:
        Schema = schema
    if Schema is None:
        Schema = getattr(self, schema, None)
        if Schema is None:
            raise web.HTTPNotImplemented
    return Schema

I don't even know what to say

By why, 2019-05-23 20:19:52
private <T> Supplier<T> abort(Class<T> exception) {
  return () -> {
    try {
      return exception.newInstance();
    } catch (InstantiationException | IllegalAccessException e) {
      throw new RuntimeException(e);
    }
  };
}

...

throw abort(MyException.class).get();
By Anonymous, 2017-12-14 11:27:50