Editing The horror of programming

* my medline program runs with some idiosyncrasms, so this document is important for [https://learn.microsoft.com/de-de/troubleshoot/developer/webapps/iis/health-diagnostic-performance/http-error-500-19-webpage 500.19 iis errors]. .

* have to learn mysquli for own mysql databases -living in php5 world- and landing in 8.

* have to clean up coviki.og covid collection bc wiki ran in open mode for a few days seo me.

* php8 Warning: Undefined array key - Best way to handle Undefined array key in PHP 8.0  - to transmit the link variables here i made a function for bla.com/bla.php?px=wert into $px2 ! reuse variables like trash ! idea from [https://alexwebdevelop.com/php-array-mistakes/] but i made a function ! Gives a string even if $gtr0 is integer so

 $z0=intval(gettr("Z0",0));
 $px2=gettr("px2");
 
 function gettr($gtr,$gtr0){
  if (array_key_exists($gtr, $_GET)) {
   $gtr = $_GET[$gtr];}
  else {$gtr=$gtr0;}
  return $gtr;}
 

* include this & that
 <?php #include_once("analyticstracking.php") ?>

* [https://support.nlm.nih.gov/support/create-case/ pubmed helpdesk]

* to get ''irfanview webp webp.dll'' running, download new versions of 64bit exe  of irfanview (5MB) and irfanview extensions (25MB), for installation rightclick on filename each and choose ''als administrator installieren'' for both. [https://www.irfanview.com/ get it]

* wenn das iphone8 iphone beim anrufen nicht klingelt so muß man den winzigen schalter verschieben, der sich über den lautstärketastern oben links an der seite befindet. keine softwareeinstellung wie alles andere.