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 19:11:14
 filterForProvincia() {
    console.log('ciao');
 }

The last line of code of a parting Developer

By Anonymous, 2019-07-23 11:31:51
var lightBox_ReplaceSelectsWithSpans = function()
{
	var selects = document.getElementsByTagName('select');
	for (var i = 0; i < selects.length; i++) {
		var select = selects[i];
		if (select.clientWidth == 0 || select.clientHeight == 0 || 
			select.nextSibling == null || select.nextSibling.className == 'selectReplacement') {
			continue;
		}
			
		var span = document.createElement('span');
		// this would be "- 3", but for that appears to shift the block that contains the span 
		//   one pixel down; instead we tolerate the span being 1px shorter than the select
		span.style.height = (select.clientHeight - 4) + 'px';
		span.style.width = (select.clientWidth - 6) + 'px';
		span.style.display = 'inline-block';
		span.style.border = '1px solid rgb(200, 210, 230)';
		span.style.padding = '1px 0 0 4px';
		span.style.fontFamily = 'Arial';
		span.style.fontSize = 'smaller';
		span.style.position = 'relative';
		span.style.top = '1px';
		span.className = 'selectReplacement';
		
		span.innerHTML = select.options[select.selectedIndex].innerHTML ;//+ 
			//'<img src="custom_drop.gif" alt="drop down" style="position: absolute; right: 1px; top: 1px;" />';
		
		select.cachedDisplay = select.style.display;
		select.style.display = 'none';
		select.parentNode.insertBefore(span, select.nextSibling);
	}
};
By Anonymous, 2023-03-29 16:59:15

/**
 * fk--folder key,dk--doc key -->value is key string
 * dt--doc type,ft--folder type -->both have 19 key options: 
 * bom tr amend history help info loeid cust cust0-cust9 custhist
 * folder type only seen as "history" in toc,why ??do we use other ones? -- it only has one child
 * doc type only seen two "tr" and "history" in toc??-- it only has one child 
 * node with "folder type="history"" is the only child of it parent either "<doc type="tr" key="xxx" trnum="xxx"....." or "<doc type="tr"  trnum="xxx""
 * <folder type="history"  could has more then one doc children .e.g. title="History of AMM31-32-00-720-807" in 700/amm
 * 
 * 
 * 
 * folder element has the follwing to identify itself:
 * 	1, key 
 * 	2, type="history",  in this case, folder is the only child of doc element with type ="tr"?????
 * 
 * doc element has the following to identify itself
 * 	1, key
 * 	2, type="tr" trnum="xxxxx"
 * 	3, type="history", in this case, doc isthe only child of a folder element???
 * 
 * 
 * 
 * the return json format likes following: 
 * [
 * { "data" : "A node", "children" , "state" : "open" },
 * { "data" : "Only child", "state" : "closed" },
 *	"Ajax node"
 *	]
 */

public class XMLToJson
{
	private static final Map<String, String> pathMap;
	static
	{
		Map<String, String> aMap = new HashMap<String, String>();
		aMap.put("fk", "folder[@key");
		aMap.put("ft", "folder[@type");
		aMap.put("fth", "folder[@type='history'");
		aMap.put("dk", "doc[@key");
		aMap.put("dt", "doc[@type");
		aMap.put("dth", "doc[@type='history'");
		aMap.put("dtrn", "doc[@trnum");
		pathMap = Collections.unmodifiableMap(aMap);
	}

	Util util = new Util();

	/*
	 * @param url the path to TOC.xml
	 * @param xPathString the short format searched node path
	 * @throws DocumentException
	 * 
	 * sample xPathString : "fk:AMM24_fk:AMM24-FM_dk" 
	 */
	@SuppressWarnings({ "unchecked" })
	public String getJson(URL url, String xPathString) throws Exception
	{
		Document TOCDoc = util.getDocument(url);
		String jsonString = "[";

		Element node = null;
		if (xPathString.equals("/"))
		{

			node = TOCDoc.getRootElement();
		}
		else
		{
			String realXPathString = pathMapping(xPathString);
			System.out.println(realXPathString);
			node = (Element) TOCDoc.selectSingleNode(realXPathString);
		}
		//List<Element>  li = node.elements();
		for (Iterator<Element> i = node.elementIterator(); i.hasNext();)
		{
			Element elem = (Element) i.next();
			String eleName = elem.getName();
			Boolean hasChildren = false;
			if ((elem.elements().size() > 0))
			{
				hasChildren = true;
				//current element has children itself, state shoud be "closed"

			}
			List<Attribute> list = elem.attributes();
			String titleAttrContent = elem.attributeValue("title");
			//Boolean isFileAttr = false;
			String fileAttrContent = elem.attributeValue("file");
			//if  (fileAttrContent.isEmpty() )
			if (eleName == "doc")
			{
				//doc element always has "file" attribute

				for (Attribute attribute : list)
				{
					jsonString = jsonString.concat("{");
					String attrName = attribute.getName();
					//System.out.println("doc arribute Name : " + attrName);
					//each one has to have "data" line, "attr" line "state" line and "children" line
					jsonString = jsonString.concat("'data':'").concat(titleAttrContent).concat("',");
					if (attrName.equals("key"))
					{
						String keyContent = elem.attributeValue("key");
						jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_dk:").concat(keyContent).concat("','file':'").concat(fileAttrContent).concat("'}");

						break;
					}
					else if (attrName.equals("trnum"))
					{

						String trnumContent = elem.attributeValue("trnum");
						jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_dtrn:").concat(trnumContent).concat("','file':'").concat(fileAttrContent).concat("'}");

						break;
					}
					/*		else if (attrName.equals("type"))//type attribute for doc element won't determite what exactly the element is 
							{
								String typeContent = elem.attributeValue("type");
								//doc element has type "history"
								if (typeContent == "history"){
									jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_dth,");
								}else if (typeContent == "?????"){
									//any values for type attribute need to concern???? 
								}

							}
							else if (attrName.equals("file"))
							{

							}*/
				}
				if (hasChildren)
				{
					//state set up as "closed" and no need to set up "children" field
					jsonString = jsonString.concat(",'state':'closed'");

				}
				else
				{
					//no need to put anything
					//jsonString = jsonString.concat("'state':'???'");
				}
				jsonString = jsonString.concat("},");
			}

			else if (eleName == "folder")
			{
				jsonString = jsonString.concat("{");
				for (Attribute attribute : list)
				{
					String attrName = attribute.getName();
					jsonString = jsonString.concat("'data':'").concat(titleAttrContent).concat("',");
					if (attrName.equals("key"))
					{
						String keyContent = elem.attributeValue("key");
						jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_fk:").concat(keyContent).concat("'}");
						if (fileAttrContent != null)
						{
							jsonString = jsonString.concat("','file':'").concat(fileAttrContent).concat("'}");
						}

						break;
					}
					else if (attrName.equals("type"))
					{
						String typeContent = elem.attributeValue("type");
						//doc element has type "history"
						if (typeContent == "history")
						{
							jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_fth,");

						}
						else if (typeContent == "?????")
						{
							//any values need to concern???? 
						}
						break;

					}

				}
				jsonString = jsonString.concat("},");
			}
			continue;
		}
		//return list;
		jsonString = jsonString.substring(0, jsonString.length() - 1);
		jsonString = jsonString.concat("]");
		return jsonString;

	}

	/*
	 * read xpathstring from post request and generate the real xpath for toc
	 */
	public String getXPathString()
	{
		//readPostRequest()
		return null;
	}

	/*
	 * post string looks like : "fk:LOETR_dtrn:TR12-118_fth_dth"
	 * it represents the inner doc elemnet:
	 * <folder key="LOETR" type="loetr" title="List of Effective TRs" file="loetr.html">
	 *		<doc type="tr" trnum="TR12-118" trdate="May 07/2012" title="[TR12-118] TASK AMM12-31-00-660-806 - Inspection and Removal of De-Hydrated Anti-Icing Fluid inside the Flight Control Surfaces" file="TR12-118.pdf" refloc="AMM12-31-00-660-806">
	 * 			<folder type="history" title="History of AMM12-31-00-660-806">
	 *   			<doc title="TASK 12-31-00-660-806 - Inspection and Removal of De-Hydrated Anti-Icing Fluid inside the Flight Control Surfaces" file="AMM12-31-00-660-806.pdf" type="history" refloc="AMM12-31-00-660-806"/>
	 * </folder>
	 * the xpath string should be:
	 * folder[@key="LOETR"]/doc[@trnum="TR12-118"]/folder[@type="history"]/doc[@type="history"]
	 * 
	 * 
	 * the String : "fk:AMM24_fk:AMM24-FM_dk:CTOC-24" 
	 * it represents the inner doc with attribute file="CTOC-24.pdf"
	 * the string : "fk:AMM24_fk:AMM24-00-00_fk:AMM24-00-00-02_dk:AMM24-00-00-700-801" represents
	 * <folder key="AMM24" title="CH 24 - Electrical Power">
	 *		<folder key="AMM24-FM" title="Front Matter">
	 * 			<doc key="CTOC-24" title="Table of Contents" file="CTOC-24.pdf"/>
	 *		</folder>
	 *		<folder key="AMM24-00-00" title="24-00-00 - General">
	 * 			<folder key="AMM24-00-00-02" title="General - Maintenance Practices">
	 *   			<doc key="AMM24-00-00-700-801" title="TASK 24-00-00-700-801 - AC Power, DC Power and Battery Maintenance Practice Recommendations" file="AMM24-00-00-700-801.pdf"/>
	 * 
	 * it can be even optimized as :
	 * "fk:AMM24_fk:00-00_fk:02_dk:AMM24-00-00-700-801"
	 * if the inner key fully include the previous key, omit it, otherwise use full string   
	 * the xpath string should be:
	 * folder[@key="AMM24"]/folder[@key="AMM24-00-00"]/folder[@key="AMM24-00-00-02"]/doc[@key="AMM24-00-00-700-801"]
	 *  
	 * if shortXPath is ?? which means the query based on the root of the document
	 * 
	 * 	 
	 */
	public String pathMapping(String shortXPath) throws Exception
	{
		String tagetString = null;
		if (shortXPath.equals(""))
		{
			tagetString = "//toc";
		}
		else
		{
			tagetString = "//";
		}

		int newStart = 0;
		String segString = "";
		String valueString = "";
		//dth???
		//need mapping all senarios
		//already??
		while (shortXPath.indexOf("_", newStart) > -1)
		{
			int keyValueSepPos = 0;
			String keyString = "";//not necessary key, might be type attribute
			segString = shortXPath.substring(newStart, shortXPath.indexOf("_", newStart));
			newStart = shortXPath.indexOf("_", newStart) + 1;//new start search point
			//System.out.println(newStart);
			if (segString.indexOf(":") > 0)
			{
				keyValueSepPos = segString.indexOf(":");
				keyString = segString.substring(0, keyValueSepPos);
				valueString = segString.substring(keyValueSepPos + 1);
				if (pathMap.get(keyString).length() > 0)
				{
					tagetString = tagetString.concat(pathMap.get(keyString));
				}
				else
				{
					throw new Exception("no mapping found");
				}
				tagetString = tagetString.concat("='").concat(valueString).concat("']/");
			}
		}
		//this is for scenerio either no "_" or sub string after "_"
		segString = shortXPath.substring(newStart);
		System.out.println(segString);
		if (segString.indexOf(":") > 0)
		{
			int lastKeyValueSepPos = segString.indexOf(":");
			String lastKeyString = segString.substring(0, lastKeyValueSepPos);
			String lastValueString = segString.substring(lastKeyValueSepPos + 1);
			if (pathMap.get(lastKeyString).length() > 0)
			{
				tagetString = tagetString.concat(pathMap.get(lastKeyString));
			}
			else
			{
				throw new Exception("no mapping found");
			}
			tagetString = tagetString.concat("='").concat(lastValueString).concat("']");
		}
		return tagetString;

	}

	public static void main(String[] args) throws Exception
	{
		XMLToJson x2j = new XMLToJson();
		String test = "fk:AMM24_fk:AMM24-FM";

		test = "";
		System.out.println(x2j.getJson(new URL("http://localhost:8080/WebNavSpring/q400/amm/toc.xml"), test));
		//System.out.println(x2j.pathMapping(test));

	}
}

easy clean code to convert XML to JSON .

By used in Major Airspace company , 2019-03-15 17:59:54
"check cassandra config" in {
  val config: Configuration = pureconfig.loadConfigOrThrow[Configuration]
  config.cassandra.hosts shouldBe List("192.168.26.207")
  config.cassandra.keyspace shouldBe "releases"
}

Why not to check works cassandra or not? What is the difference between this and hardcoding data right in source?

By Anonymous, 2019-05-07 18:28:04

var move=0;
var kier=0;
var pic=0;
var rol=0;

var rol2=171;
var rol3=343;
var rol4=514;
var rol2_cel=171;
var rol3_cel=343;
var rol4_cel=514;

function onpic(p) {
  pic=p;
}

function offpic(p) {
  if( pic==p ) pic=0;
}

 function next() { if(move<40) move = 40; kier=0; }
 function prev() { if(move<40) move = 60; kier=1; }
 function set() {
  document.getElementById('ba1').style.left=0;
  document.getElementById('ba2').style.left=rol2;
  document.getElementById('ba3').style.left=rol3;
  document.getElementById('ba4').style.left=rol4;
}


function SetOpacity(object,opacityPct)
{
  // IE.
  object.style.filter = 'alpha(opacity=' + opacityPct + ')';
  // Old mozilla and firefox
  object.style.MozOpacity = opacityPct/100;
  // Everything else.
  object.style.opacity = opacityPct/100;
}


var randtim=new Array(110,103,130,125,108,118,112,122,101,100);
var showtimer=0;
var showpic=1;

 
 function Animuj() {
   if( pic==0 ) {
     rol2_cel=171;
     rol3_cel=343;
     rol4_cel=514;
   } else if( pic==1 ) {
     rol2_cel=342;
     rol3_cel=457;
     rol4_cel=571;
   } else if( pic==2 ) {
     rol2_cel=115;
     rol3_cel=457;
     rol4_cel=571;
   } else if( pic==3 ) {
     rol2_cel=114;
     rol3_cel=229;
     rol4_cel=571;
   } else if( pic==4 ) {
     rol2_cel=114;
     rol3_cel=228;
     rol4_cel=344;
   }
   var a = (rol2-rol2_cel)/10; if(( a< -0.1 )&&( a> -1 )) a = -1; if(( a>0.1 )&&( a<1 )) a = 1;
   if( rol2!=rol2_cel ) rol2-= a;
   var a = (rol3-rol3_cel)/10; if(( a< -0.1 )&&( a> -1 )) a = -1; if(( a>0.1 )&&( a<1 )) a = 1;
   if( rol3!=rol3_cel ) rol3-= a;
   var a = (rol4-rol4_cel)/10; if(( a< -0.1 )&&( a> -1 )) a = -1; if(( a>0.1 )&&( a<1 )) a = 1;
   if( rol4!=rol4_cel ) rol4-= a;
   set();
    document.getElementById('ba2').style.left=rol2;



 showtimer+=1;
 if(showtimer>100) {
  for( st=0; st<9; ++st ) {
   if(showtimer==randtim[st]) { SetOpacity(document.getElementById("ps"+st), 0); document.getElementById("ps"+st).style.backgroundImage="url('cs/log"+showpic+".jpg')"; }
   if(showtimer==(randtim[st]+1)) SetOpacity(document.getElementById("ps"+st),20); 
   if(showtimer==(randtim[st]+2)) SetOpacity(document.getElementById("ps"+st),40); 
   if(showtimer==(randtim[st]+3)) SetOpacity(document.getElementById("ps"+st),60); 
   if(showtimer==(randtim[st]+4)) SetOpacity(document.getElementById("ps"+st),80); 
   if(showtimer==(randtim[st]+5)) { document.getElementById("pn"+st).style.backgroundImage="url('cs/log"+showpic+".jpg')"; SetOpacity(document.getElementById("ps"+st),0); }
  }
  if(showtimer>150) {
   showtimer=0;
   for( st=0; st<9; ++st ) randtim[st]=Math.floor(Math.random()*26)+100;
   showpic+=1; if(showpic>2) showpic=0;
  }
 }


 }

 window.setInterval("Animuj()", 50);

This is how public money is spent in poland

By Anonymous, 2019-05-29 18:35:09
spring.datasource.password=#{@secretsManager.getJsonField('${DSP_DB_SECRET:}', 'password', @secretsManager.getString('${DSP_DB_PASSWORD_SECRET:}', '${DSP_DB_PASSWORD:}'))}

String boot, 3 env variables written as string containing code executable code which cannot be verified by compiler. Welcome to Java

By 7bits, 2022-02-01 19:17:55
public static int[] xxx(String filename) throws IOException{
	int[] f = new int[26];
	BufferedReader in = new BufferedReader(new FileReader(filename));
	String line;
	while((line = in.readLine()) != null){
		line = line.toUpperCase();
		for(char ch:line.toCharArray()){
			if(Character.isLetter(ch)){
				f[ch - 'A']++;
			}
		}
	}
	in.close();
	return f;
}
By Anonymous, 2017-12-15 16:08:38
else if result !== true && result === false { return result !== true }

should I keep this in our project or nah

By codelord, 2022-06-20 16:43:54
socket.on('newMessage', (messageObj) => {
	if (roomNumber === messageObj.roomNumber) {

		console.log("message received:" + messageObj.message);
		$('#messages').append($('<li>').text(messageObj.userName + ' : ' + messageObj.message));

	}
});

socket.in wasn't behaving as advertised (broadcasting to all rooms). I decided to take matters into my own hands.

By Andrew, 2017-12-13 02:57:58
#59 PHP +38
function mysql_escape_string($str) {
    
    $pattern = [
        '/\x00/',
        '/\n/',
        '/\r/',
        '/\//',
        "/'/",
        '/"/',
        '/\x1a/',
    ];
    
    $replacement = [
        '\\x00',
        '\\n',
        '\\r',
        '\\',
        "\'",
        '\"',
        '\\x1a',
    ];
    
    $res = preg_replace($pattern, $replacement, $str);
    return $res;
}
By Anonymous, 2016-02-13 18:22:55
<?php

$payload = '{ "products": [';
foreach ($products as $product) {
    $payload .= $product->toJson() . ',';
}
$payload = substr($payload, 0, \strlen($payload) - 1);
$payload .= ']}';
By sijolas, 2019-03-15 14:47:06
int true = 0;
while (true)
{
    //do something
}

true = false

By noz1995, 2017-12-15 16:08:59
if (isLink($content[$i][$j])) {

					if (isImageLink($content[$i][$j])) {

						$image_src = create_image($content[$i][$j], "img");

						$cell = <<<HTML
							<td>
								<img {$image_src} {$img_style}></td></img>
							</td>
HTML;
					} else if (isNestedLink($content[$i][$j])) {

						$links = explode("!", $content[$i][$j]);

						$cell = <<<HTML
							<td><a style="color: {$cards_button_bg_color};" href="{$links[1]}" $open_links_in >{$links[0]}</a></td>
HTML;
					} else {
						
						//Checking if it's a link or a button

							if ($j == $table_button_column) {
														
							//Button HTML
								$table_button_text = explode("-", $content[0][$j])[0];

								$cell = <<<HTML
									<td><a {$open_links_in} href="{$content[$i][$j]}" style="background-color: {$cards_button_bg_color}; color: {$cards_button_text_color};" class="btn">{$table_button_text}</a></td>
HTML;
							} else {
							
							// Link HTML			
								$cell = <<<HTML
									<td><a style="color: {$cards_button_bg_color};" href="{$content[$i][$j]}" $open_links_in >{$content[0][$j]}</a></td>
HTML;
							}
					}
By PHPhillip, 2020-06-09 23:28:49
try {
    User.ClaimToken();
} 
catch {
    User.ClaimToken();
}
By Anonymous, 2017-12-22 08:44:59