let length str =
    let len = String.length str in
    
    let rec length_helper str curr = 
    if str = "" then 0 else 1 + length_helper (String.sub str 1 (len - curr - 1)) (curr + 1)
    
    in length_helper str 0;;

switch ($content) {
    case "vid":
      echo '<iframe width="600" height="450" src="http://www.youtube.com/embed/' . $img . '" frameborder="0" allowfullscreen></iframe>';
      break;
    default:
      if ($height > 0 && $width > 0) {
        echo '<img width="' . $width . '" height="' . $height . '" src="http://szpileczki.com/up/' . $img . '"/>';
      } else {
        if ($kochamto == 1) {
          echo '<img src="http://kocham.to/up/' . $img . '"/>';
        } else {
          echo '<img src="http://szpileczki.com/up/' . $img . '"/>';
        }
      }
      break;
 }

<?php

// This code supposed to find adjacent items of a specific one
// $list is an array of ids
// $itemToSearch is an id that might be in the $list

foreach ($list as $item) {
    next($list);
    if ($item == $itemToSearch) {
        break;
    }
    $previousItem = $item;
}
$nextItem = current($list);

if student_id:
    assignments = Assignment.objects.filter(week__in=weeks)

    unenrolled_students = Wave.objects.filter(week__in=weeks).values_list('unenrolled_students', flat=True)

    # Construct responses based on assignment type
    Assignment.build_assignments_for_weeks(responses, assignments, students, unenrolled_students)
    max_num_assessments = Assessment.build_assessments_for_weeks(responses)
    Comment.build_comments_for_weeks(responses, weeks, students, unenrolled_students)

elif wave_id:
    assignments = Assignment.objects.filter(week__in=weeks)

    unenrolled_students = Wave.objects.filter(week__in=weeks).values_list('unenrolled_students', flat=True)

    # Construct responses based on assignment type
    Assignment.build_assignments_for_weeks(responses, assignments, students, unenrolled_students)
    max_num_assessments = Assessment.build_assessments_for_weeks(responses)
    Comment.build_comments_for_weeks(responses, weeks, students, unenrolled_students)

else:
    # can't happen
    pass

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()

<ng-container *ngIf="!errors">
    <div *ngIf="errors" class="no-content-wrapper">
        <esel-components-error [error]="errors"></esel-components-error>
    </div>
</ng-container>

public class MandateData {

    public final UUID coreId;
    public final UUID accountId;
    public final String accountRef;
    public final String creditorId;
    public final String creditorName;
    public final String debtorFirstName;
    public final String debtorLastName;
    public final String branchCode;
    public final String accountNumber;
    public final LocalDate signingDate;
    public final Address debtorAddress;

    private MandateData(UUID coreId, UUID accountId, String accountRef, String creditorId, String creditorName, String branchCode, String accountNumber, String debtorFirstName, String debtorLastName,
                        LocalDate signingDate, Address debtorAddress) {
        this.coreId = coreId;
        this.accountId = accountId;
        this.accountRef = accountRef;
        this.creditorId = creditorId;
        this.creditorName = creditorName;
        this.debtorFirstName = debtorFirstName;
        this.debtorLastName = debtorLastName;
        this.branchCode = branchCode;
        this.accountNumber = accountNumber;
        this.signingDate = signingDate;
        this.debtorAddress = debtorAddress;
    }

    public static MandateData creationMandateData(UUID coreId, UUID accountId, String accountRef, String creditorId, String creditorName, String branchCode, String accountNumber, String debtorFirstName, String debtorLastName,
                                                  LocalDate signingDate, Address debtorAddress) {
        return new MandateData(coreId, accountId, accountRef, creditorId, creditorName, branchCode, accountNumber, debtorFirstName, debtorLastName, signingDate, debtorAddress);
    }
}

//shit code 80 lvl
void getMessageAndChannel(char*buffer,char*message,char*channel)
{
if(strstr(buffer, "PRIVMSG") != NULL )
{
while(*buffer !='#')*buffer++;
while(*buffer!=' ' && *buffer)
 *channel++=*buffer++;
while(*buffer!=':' && *buffer)*buffer++;
while(*buffer!='\n' && *buffer)
*message++=*buffer++;
}///
}

  if(!Hardware::initialize()) {
    Serial.println("Hardware initialization failed!");
    for(;;){}
  }

  if(!UI.begin()) {
    Serial.println("SSD1306 allocation failed");
    for(;;){}
  }

if (botCount < botCount)
    this.reconnect();
}

 private void EnableGPSAutoMatically() {
        GoogleApiClient googleApiClient = null;
        if (googleApiClient == null) {
            oogleApiClient = new GoogleApiClient.Builder(this)
                    .addApi(LocationServices.API).addConnectionCallbacks(this)
                    .addOnConnectionFailedListener(this).build();
            /* about 50 lines of code were here ... 
             * all depends on this if statement ... !
             * Actually the whole method depends on this if statement ! */
                    }
                }
            });
        }
}

public void sleep(long duration) {
    long start = System.currentTimeMillis();
    while(true) {
        if (System.currentTimeMillis() - start >= duration)
            break;
    }
}

	const ws = new WebSocket('wss://echo.websocket.org', {
		agent: new HttpsProxyAgent(`https://${proxy}`)
	});
	wsz.push(ws);
	ws.onopen = () => {
		if (ws.readyState === WebSocket.OPEN) {
			.....
			ws.close();
		}
	};
	ws.onerror = () => {
		ws.close();
	};

bool calculateLeapYear(uint8_t year) {
    if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) {
        return true;
    } else {
        return false;
    }
}

//Calculates x² of an integer up to ±1 million
var square = (function () {
	var s = "if(A==B){return C;}";
	var func = "var A=Math.abs(D|0);";
	for (var i = 0; i <= 1000000; i++) {
		func += s.replace(/B/, i).replace(/C/, i * i);
	}
	return new Function("D", func + "return Infinity;");
})();