const setFormFlag(state){
    state.formFlag ? state.formFlag = false : state.formFlag = true;
}
By Apeiron, 2018-07-27 20:43:23
  ierr = pxmlIn->GetData(pcTag, *pTData);
  *pbDataValid = bool((ierr==0)&&(iLen>0));  // enabled if: not empty string and vaild (number?)
  if (*pbDataValid)  iErr += ierr;
By Anonymous, 2020-04-07 14:44:12
class FileReader extends EventTarget(...READER_EVENTS) {
    // [...]
    readAsArrayBuffer() {
        throw new Error('FileReader.readAsArrayBuffer is not implemented');
    }
}

React Native's way of saying they don't support FileReader.readAsArrayBuffer()

By Aurovik, 2018-12-12 12:50:22
<Image source={ this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? iconBlue
                                    : iconWhite
                                    : i.dropoff 
                                    ? iconBlue
                                    : iconWhite} style={{
                                      height:this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? 30
                                    : i.sign === 'D' ? 30 : 35
                                    : i.dropoff 
                                    ? 30
                                    : i.sign === 'D' ? 30 : 35,
                                    marginRight:10 ,
                                    width: this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? 40
                                    : 40
                                    : i.dropoff 
                                    ? 40
                                    : 40
                                    ,resizeMode:'contain'}}/>

I love when the code is neat...

By Fluttershy, 2019-03-05 11:40:08
        public static bool ValidateEmailAddress(string emailAddress)
        {
            string pattern = "^((?>[a-zA-Z\\d!#$%&'*+\\-/=?^_`{|}~]+\x20*|\"((?=[\x01-\x7f])[^\"\\]|\\[\x01-\x7f])*\"\x20*)*(?<angle><))?((?!\\.)(?>\\.?[a-zA-Z\\d!#$%&'*+\\-/=?^_`{|}~]+)+|\"((?=[\x01-\x7f])[^\"\\]|\\[\x01-\x7f])*\")@(((?!-)[a-zA-Z\\d\\-]+(?<!-)\\.)+[a-zA-Z]{2,}|\\[(((?(?<!\\[)\\.)(25[0-5]|2[0-4]\\d|[01]?\\d?\\d)){4}|[a-zA-Z\\d\\-]*[a-zA-Z\\d]:((?=[\x01-\x7f])[^\\\\[\\]]|\\[\x01-\x7f])+)\\])(?(angle)>)$";

            if (!String.IsNullOrEmpty(emailAddress) && !(Regex.Match(emailAddress.Trim(), pattern, RegexOptions.IgnoreCase)).Success)
            {
                return false;
            }
            return true;
        }
By Anonymous, 2019-07-17 23:47:20
try
{
    len = readBufferSize(reader);
}
catch (IOException xcp)
{
    throw xcp;
}

I swear I didn't omit a single symbol (except for tabs at the beginning)

By RusAD, 2019-07-18 09:24:10
public partial class Form1 : Form
   {
      public Form1()
      {
         InitializeComponent();
      }

      protected override void OnLoad(EventArgs e)
      {
         base.OnLoad(e);
         var token = new CancellationTokenSource().Token;
         Task.Factory.StartNew (() => {
            while (!token.IsCancellationRequested) {
               try {
                  if (/*Condition*/)
                     this.Invoke(new Action(() => label.Text = " =)"));
                  else
                     this.Invoke(new Action(() => label.Text = " =("));
                  Thread.Sleep(10);
               }
               catch (Exception) {
                  throw;
               }
               finally {
                  throw new Exception();
               }
            }
         }) ;
      }
   }

My collegue's way of using multithreading features (and exceptions handling) :)

By Loganjii, 2019-10-09 15:00:18
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;
}
By Anonymous, 2017-12-15 22:05:55
// Save the files for 100 timea in case failed

try {
    for (let i; i <= 100; i++) {
        File.save();
    }
} catch (e) {
    // Save the files for 100 timea since it already failed
    for (let i; i <= 100; i++) {
        File.save();
    }
}
By Anonymous, 2019-09-09 18:23:39
    if [ $product == "consul" ]
    then
       aws s3 cp s3://${path}/${product}/prem/${version}/${product}-enterprise_${version}+prem_linux_amd64.zip .
       unzip ${product}-enterprise_${version}+prem_linux_amd64.zip
       rm   ${product}-enterprise_${version}+prem_linux_amd64.zip
    else
       aws s3 cp s3://${path}/${product}/prem/${version}/${product}-enterprise_${version}+prem_linux_amd64.zip .
       unzip ${product}-enterprise_${version}+prem_linux_amd64.zip
       rm   ${product}-enterprise_${version}+prem_linux_amd64.zip
    fi 
By Anonymous, 2019-10-22 15:10:43
/// <summary>
/// Returns true if any component of of Vector3 v is negative
/// </summary>
public static bool Ext_IsNegative(this Vector3 v)
{
    return v.x < 0f && v.y < 0f && v.z < 0f;
}

Either the description is wrong or the method in itself

By SwagridOfficial, 2017-12-13 13:00:34
String.prototype.capitalize=function(){return this.charAt(0).toUpperCase()+this.slice(1);};
String.prototype.followCase=function(b){
	if(b==b.toUpperCase()){return this.toUpperCase();}
	if(b==b.toLowerCase()){return this.toLowerCase();}
	if(b==b.capitalize()){return this.capitalize();}
	return this;
};
String.prototype.atRemoveAdd=function(index,n,string){
	return this.substring(0,index)+string+this.substring(index+n,this.length);
};
String.prototype.matchIndex=function(re){
	var a=[];
	while((match=re.exec(this))!==null){
		a.push({chars:match[0].length,index:match.index});
	}
	return a;
};
String.prototype.caseReplace=function(o,n){
	for(var s=this,a=this.matchIndex(o),shift=0,i=0;i<a.length;i++){
		var c=n.followCase(this.substring(a[i].index,a[i].index+a[i].chars));
		s=s.atRemoveAdd(a[i].index+shift,a[i].chars,c);
		shift+=c.length-a[i].chars;
	}
	return s;
};

My code from 2016 for the hall of shame where I realized today that caseReplace could just return this.replace(o,m=>n.followCase(m)) instead.

By Anonymous, 2017-12-19 03:55:58
// powtierdzenie decyzji
function zapytaj(pytanie){
	if(confirm(pytanie)) return true
	else return false;
}
By first year student, 2018-10-02 21:30:46
/**
 * Creates hash of client/customer password
 * @param string $password The actual password
 * @return string MD5 hash of password with salt
 */
public static function hashPassword($password)
{
	return md5($password . $password. 'SOME-SECRET-STRING' . $password);
}
By Anonymous, 2018-02-21 13:22:27
function sortUsers(a, b) {
  return a.last_name.localeCompare(b.last_name) * -1;
}
By Anonymous, 2018-03-06 22:44:30