Stolen key

How To Use Google Maps API Keys For Free

The use of a Google API Key can be restricted to a configurable set of host or domain names. But does this protect (ab)use of the key by others? Not really.

Passwords on post-it attached to monitor

How to Use Saved Passwords Everywhere

Some web sites and applications prevent users from using previously saved credentials. There a very few legitimate reasons to do so. In the vast majority of cases, such measures just patronize users, often those people that actually keep up the service with their financial support. But it is actually quite simple to bypass such paranoid settings.

Syslog-ng Unique Persist Names

I want mail logs in a separate log file /var/log/mail so that postfix and dovecot messages are not be buried in /var/log/message. While upgrading to syslog-ng to version 3.13.2 I suddenly ran into an error that prevented the daemon to start. The error message was:

Template Toolkit and Unicode

The mere mention of Unicode in the context of Template Toolkit causes great wailing and chattering of teeth with many a Perl hacker. You will encounter double encoded UTF-8 or arbitrarily thrown in question marks in a seemingly random fashion. How can this be avoided?

Unicode Regex Pitfalls

I sometimes receive the good advice to make my regular expressions more concise with the /i modifier or using backslash character classes like \d, \s or the like. But I avoid them on purpose. Why?

Qgoda logo

Qgoda at the German Perl Workshop 2018

On April 5th, 2018 I will talk about Qgoda at the German Perl Workshop 2018. Other than true multi-color, wide-screen slides being presented, these topics will be covered:

Never Delete PID Files!

The best way to delete a pid file (or rather a lock file) is not to delete it. Doing so will almost always result in race conditions voiding the protection against parallel execution.

Coco Chickpeas, Pakoras, Mango Chutney, and Oriental Yoghurt

Coco Chickpeas, Pakoras, Mango Chutney, and Oriental Yoghurt

Having to kill one day at the airport, on the plane, at the station and on the train always stirs the desire to cook something tasty so that I can chase away the ominpresent impressions of fast food and convenience products. The result of the last unvoluntary fasting are these chickpeas with coconut milk, pakoras, mango chutney and oriental yoghurt.

Formatting Large Hard-Disks On Mac OS X

My new LaCie rugged USB-C drive showed only a capacity of 372 MB instead of the 4 TB that I had bought, when I formatted the disk on Mac OS X High Sierra. It turned out that I first had to create a GUID Partition Table (GPT) on it to use the full capacity.