Written by Rob Allen
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on Aug. 13, 2020
There are many scripts that recursively execute php -l on a set of files or directories. This is mine:#!/usr/bin/env bashset -o nounset# Recursively call `php -l` over the specified directories/filesif [ -z "$1" ] ; then printf 'Usage: %s ...\n' "$(basename "$0")" exit 1fiERROR=falseSAVEIFS=…
Written by Rob Allen
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on Aug. 5, 2020
I have an external drive attached to the USB hub on my Thunderbolt Display that I use to clone my laptop's internal drive every night using the schedule feature of SuperDuper!. At the appointed time, SuperDuper! will mount the external drive, clone the internal drive and then unmount the external…
Written by Rob Allen
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on Jul. 8, 2020
I've recently merged a PR by Stephen to rst2df that reformats the entire codebase to align with PEP 8. As rst2pdf is over a decade old, this has resulted in a lot of changes to the files which now have Stephen's name attached. This affects git blame.For example:git blame -L 137,145 rst2pdf/findfont…
Written by Rob Allen
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on Jun. 3, 2020
I'm in the process of writing a little command line app in Go that uploads images to Flickr. It's called Rodeo and it's working well as a project with which to learn Go in 2020.Rodeo uses ExifTool to interrogate an image file for meta data. ExifTool is wonderful and very comprehensive and with the…
Written by Rob Allen
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on Feb. 13, 2020
I recently needed to validate the value created by PHP for its session ID. After a bit of research, I realised that there are two interesting php.ini config settings that relate to this value:session.sid_length is the number of characters in the IDsession.sid_bits_per_character controls the set of…
Written by Rob Allen
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on Jan. 29, 2020
I recently received a MySQL dump file where the various tables in it had foreign keys to each other. I usually restore with this command:mysql --login-path=rob < dump.sqlbut this generated the error:ERROR 1217 (23000) at line 288805: Cannot delete or update a parent row: a foreign key constraint…