$guard = ($vars->a_payment) + (0) * $price;
  if ($bless >= $guard) {
    $amount = $bless;
  }

if((strtotime(date("Y-m-d"))-strtotime(date("Y-m-d", filemtime($filename))))/(3600)<=$config->hourDiff) return true; else return false;

string date = user.RegistrationDate.ToShortDateString().ToString();

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()

if ((bool)greenButton.IsChecked)
{
    CurrentColor = Color.FromArgb(0xFF, 0x00, 0xCC, 0x00);
}
else if ((bool)greyButton.IsChecked)
{
    CurrentColor = Color.FromArgb(0xFF, 0x79, 0x79, 0x79);
}

foreach (var item in ItemsList.Items)
{
    if ((grid.Background as SolidColorBrush).Color == CurrentColor)
    {
        selectedItems.Add(item);
    }
}

guard let reachability = Reachability(), reachability.isReachable == true else {
    // No network connection available. Do stuff.
    ...
}

http://localhost:52108/Trade/Details/1953452?class=pull-left

public event EventHandler<Cles_graph_doivent_etre_redessines> les_graph_doivent_etre_redessines;
public void remove_event()
{
    if (this.les_graph_doivent_etre_redessines != null)
    {
        foreach (EventHandler<Cles_graph_doivent_etre_redessines> F_les_graph_doivent_etre_redessines in this.les_graph_doivent_etre_redessines.GetInvocationList())
        {
            this.les_graph_doivent_etre_redessines -= F_les_graph_doivent_etre_redessines;
        }
    }
}

value unless value.select! { |v| v != "0" }.nil?

Boolean b = new Boolean(true);
if (b == true){
    ...
}

.black {
    color: #000;
}

.not-black {
    color: #999;
}

		if (wiringPiMode == WPI_MODE_PINS)
			pin = pinToGpio[pin];
		else if (wiringPiMode == WPI_MODE_PHYS)
			pin = physToGpio[pin];
		else if (wiringPiMode != WPI_MODE_GPIO)
			return;

Double value = item.getPrice() * loyaltyPointMultiplier;
String[] s = String.split(value.toString(), "\\.");
points = Integer.parseInt(s[0]);
if(Integer.parseInt(s[1]) > 0) {
    points++;
}
    
return points;

@media only screen and (-webkit-min-device-pixel-ratio:2) and (max-width:768px) and (min-width:321px),not all,only screen and (max-width:768px) and (-webkit-min-device-pixel-ratio:2) and (min-width:321px),only screen and (max-width:768px) and (min-resolution:192dpi) and (min-width:321px),only screen and (max-width:768px) and (min-resolution:2dppx) and (min-width:321px){
    /*some code here*/
}

function isEmpty(value) {
    if (value === '') {
        return false;
    } else if (value === 0) {
        return false;
    } else if (value === null) {
        return false;
    } else if (value === undefined) {
        return false;
    } else {
        return true;
    }
    return true;
}