How To Fix YUM Update Errors with Percona GPG Keys

Author: , April 16th, 2019

Problem: Trying to run a yum -y update as root aborts with the following error: 1 2 3 4 5 The GPG keys listed for the "Percona-Release YUM repository – x86_64" repository are already installed but they are not correct for this package. Check that the correct key URLs are configured for this repository.   […]

How To Disable the Brightness Keys in MacOSX

Author: , July 26th, 2012

Download and install the prefpane FunctionFlip. Then set the F1 and F2 keys to default to having Fn pressed, which effectively disables the “Change Brightness” feature…

How To Loop Through Objects In JavaScript

Author: , May 15th, 2011

Coming from the Perl world, I wanted to emulate the following code in JavaScript: 1 2 3 4 5 6 7    my $myHash = {       ‘foo’ => ‘Hello’,       ‘bar’ => ‘World’,    };    foreach my $myKey (keys %$myHash) {       print $myKey,’=’,$myHash->{$myKey};    } my […]