Naveen Velu

Everybody who works in Oracle Database knows how it's powerful but it also has its limitations.By installing the readline wrapper utility (rlwrap) we can able to use the "up arrow" and "down arrow" keys to display the command line history for all SQL*Plus commands and also it has the ability to edit the SQL*Plus commands. To install the rlwrap in the Centos Environment. Install rlwrap as a root user. Use the below commands to install rlwrap   wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm   rpm -Uvh epel-release-latest-7.noarch   yum install rlwrap HOW TO USE IT FOR SQL*Plus   rlwrap sqlplus / as sysdba Also, we can use rlwrap for other commands too

To edit the HTML template of your Blogger site. 1. Click the Template link which is present on the Left side of blogger menu 2. Choose Edit HTML option  3. Copy the container snippet GTM Container Snippet something like this <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-PQRSTUVWXYZ');</script> In the snippet find the following characters 'dataLayer'?'&l='+l and change the ampersand symbol (&) to its HTML entities i.e (&amp;).After changing ampersand symbol to its HTML entities then the character will look like this 'dataLayer'?'&amp;l='+