How To Escape Single and Double Quotes in Perl

Author: , February 11th, 2021

## to add a single backslash in front of whatever char was matched

## to double whatever char was matched

## to convert ‘ to ‘\” for shell execution

How To Display Blog Pages for a Single Category

Author: , August 6th, 2018

Create a new page and set the Page Template to Blog. Add a new Custom Field to the page. Set the Name to the string query_args and the value to cat=NNN, where NNN is the ID of the desired category. Ne sure to use the PLURAL form query_args NOT query_arg Be sure to click Publish […]

How To Create a Single Custom Post Type Template for Genesis in WordPress

Author: , October 21st, 2017


How To Display the Featured Image on a Single Post in WordPress Only for a Specific Category

Author: , January 24th, 2016

How To Delete a Single Deferred Email in Postfix

Author: , January 6th, 2013

To view the Postfix deferred queue: postqueue -p To view a specific email: postcat -q {Queue ID} To delete a specific email: postsuper -d {Queue ID} Example of viewing the deferred queue and deleting a message: # postqueue -p -Queue ID- –Size– —-Arrival Time—- -Sender/Recipient——- E15B9FC221 11627 Sun Jan 6 16:47:29 MAILER-DAEMON (connect to[]: […]