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;
        }
    }
}

def get_first_index_of_array(array):
    """
    this function is very usefull for get first index of array
    """
    return array[0]


assert get_first_index_of_array([1, 2, 3, 4, 5]) == 1
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 2
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 3
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 4
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 4

<?php

if ($_GET['csrfstopper'] !== 1){
    exit();
}

$number = int(1);

function prepareKeyword($keyword) {
    $keyword  = html_entity_decode($keyword);
    $keyword  = html_entity_decode($keyword);
    $keyword  = html_entity_decode($keyword);
    $keyword  = iconv("ISO-8859-1", "UTF-8", $keyword);
    $keyword  = cleanString($keyword);
    $keyword  = html_entity_decode($keyword);
    if ($keyword != "") {
        $keyword = mb_strtolower($keyword, "UTF-8");
        $keyword = htmlentities($keyword, ENT_HTML5);
    }
    return $keyword;
}

val weekEnd = DateTime.now.withDayOfWeek(5).plusDays(2)

someslice := []*string{
    &"fuck",
    &"pointers",
}

for i, value := range someSlice {
    someSlice[i] = &*value
}

int t;

if ((t > 1) && (t < 2))
{
    errorString = errorBuffer;
	return -1;
}

function sortUsers(a, b) {
  return a.last_name.localeCompare(b.last_name) * -1;
}

        //JSONObject input;
        
        String givenName = input.get("propName") != null ? (String)input.get("propName") : null;

//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;");
})();

<?php
    if(isset($_POST['csrf'])){
        if($_POST['csrf'] !== $_SESSION['csrf']){
            return 'session expired!';
        }
    }

 SELECT CAST(CASE a8900.AllowCloserChanges
             WHEN 0
             THEN 0
             ELSE 1 END AS BIT) AllowCloserChanges
 FROM Vision.sub8900.tApplication8900 a8900 
 WHERE a8900.ApplicationNum = @ApplicationNum

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

$url = 'https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20html%20where%20url%3D%22https%3A%2F%2Fwww.google.com%2Ffinance%3Fq%3D' . $stock_identifier . '%26fstype%3Dii%26ei%3DCFrdWImFNdiGe_atlegC%22%20and%20compat%3D%22html5%22%20and%20xpath%3D' . "'%2F%2Ftable%5Bcontains(%40class%2C%22gf-table%20rgt%22)%5D'" . '&format=json&diagnostics=true&callback=';

$json = json_decode($this->getJsonFromYql($url), true);
$json = $json["query"]["results"]["table"];

//If the value is red, that means there is an additional span class which needs to be checked through. 

$response["revanueValue"] = empty($json["1"]["tbody"]["tr"]["0"]["td"]["1"]["content"]) ? $json["1"]["tbody"]["tr"]["0"]["td"]["1"]["span"]["content"] : $json["1"]["tbody"]["tr"]["0"]["td"]["1"]["content"];
$response["costofRevanue"] = $json["1"]["tbody"]["tr"]["3"]["td"]["1"]["content"];
$response["operatingIncome"] = empty($json["1"]["tbody"]["tr"]["12"]["td"]["1"]["content"]) ? $json["1"]["tbody"]["tr"]["12"]["td"]["1"]["span"]["content"] : $json["1"]["tbody"]["tr"]["12"]["td"]["1"]["content"];
$response["netIncome"] = empty($json["1"]["tbody"]["tr"]["24"]["td"]["1"]["content"]) ? $json["1"]["tbody"]["tr"]["24"]["td"]["1"]["span"]["content"] : $json["0"]["tbody"]["tr"]["24"]["td"]["1"]["content"];
$response["dividendsPerShare"] = $json["1"]["tbody"]["tr"]["35"]["td"]["1"]["content"];
$response["dilutedNormalizedEps"] = empty($json["1"]["tbody"]["tr"]["48"]["td"]["1"]["content"]) ? $json["1"]["tbody"]["tr"]["48"]["td"]["1"]["span"]["content"] : $json["1"]["tbody"]["tr"]["48"]["td"]["1"]["content"];
$response["minorityInterest"] = $json["1"]["tbody"]["tr"]["18"]["td"]["1"]["content"];