if (!String.IsNullOrEmpty(Client.CLADDR1))
            {
                if (Client.CLADDR1 == "NULL")
                {

function IsNumeric(sText) {
    var ValidChars = "0123456789.";
    var IsNumber = true;
    var Char;
    for (i = 0; i < sText.length && IsNumber == true; i++) {
        Char = sText.charAt(i);
        if (ValidChars.indexOf(Char) == -1) {
            IsNumber = false;
        }
    }
    return IsNumber;
}

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

this.onSubmit = this.onSubmit.bind(this)
this.onClose = this.onClose.bind(this)

String zeroPad(int number) {
  return number < 10 ? "0" + number : String.valueOf(number);
}

          //////////////////////////////////////////
          // Add ROI coordinates into Environment
          //////////////////////////////////////////
          AddROIcoordinatesIntoEnvironment();

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>'

def open(self, *filename):
	if len(filename) > 1:
		print(("Usage:\nopen() - opens with the initialized "
			"filename\nopen(filename) - opens with given filename"))
		return 1
	if len(filename) == 1:
		self.filename = filename[0]
	if self.filename is None:
		print("No filename given")
		return 1
	self.struct_p = open_struct(self.last_error, self.error_size, \
		self.filename)
	if self.struct_p is None:
		print("Cannot open file: " + self.filename)
		return 1
	self.load_data()
	return 0

//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;");
})();

namespace network
{
    class ip
    {
        uint _IP;
        public ushort this[int i]
        {
            get
            {
                switch(i)
                {
                    case 0:
                    case 1:
                    case 2:
                    case 3:
                        return (ushort)(_IP>>(i*8));
                    default:
                    throw new IndexOutOfRangeException();
                }
            }
            set
            {
                switch(i)
                {
                    case 0:
                    case 1:
                    case 2:
                    case 3:
                        _IP=(((uint)value)<<i*8);
                        break;
                    default:
                    throw new IndexOutOfRangeException();
                }
            }
        }
    }
}

function deleteConfirm() {
    var result = confirm("Are you sure to delete this customer ?");
    if (result) {
        return true;
    } else {
        return false;
    }
}

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;
});

    @Override
    public String toString() {
        List<Integer> accountLevels = new ArrayList<>();
        List<String> accountIds = new ArrayList<>();

        for (SelectedHierarchyLevel selectedHierarchyLevel : selectedHierarchyLevels) {
            accountLevels.add(selectedHierarchyLevel.getLevel());
            accountIds.add(selectedHierarchyLevel.getAccountRowId());
        }

        vetoAreValidIds(accountIds);
        StringBuilder converterString = new StringBuilder();

        convert(accountLevels, converterString);
        converterString.append("$");
        convert(accountIds, converterString);

        return converterString.toString();
    }

if err != nil {
    return err
}

maybeSomething match {
  case Some(x) => true
  case None => false
}