Sir Apfelot Blog

April 27, 2020

Open and convert WebP files on Mac

Yesterday I received a batch of pictures from a customer that I was supposed to exchange on her website. In the first email I thought the files were defective because the images are not displayed in Apple Mail [...]
April 27, 2020

Why your VPN service should use zero-knowledge DNS

Not every VPN is the same, there are sometimes massive differences. An important feature that your VPN provider should have implemented is its own zero-knowledge DNS. What is hidden behind the term "DNS", what "zero knowledge" means [...]
April 25, 2020
PHP command explode ()

PHP explode (): this is how you use the function to separate strings

The PHP programming language can do a lot of things with strings. A variant of this is covered by the PHP command "explode". As the name suggests, you "explode" a string of characters into several pieces, which are then [...]
April 24, 2020

Sir Apfelot newsreel week 17, 2020

Oops, Friday again! The weekend is just around the corner and you've seen it right: there's also a new Sir Apfelot newsreel. This time I'll show you what Apple and tech news [...]
April 24, 2020

Tip: Unlock iPhone quickly with a PIN without waiting for Face ID errors

If you wear a mouth and nose cover, a protective mask, new glasses or any other change on your face, the Apple iPhone's Face ID can fail. Especially now, when wearing a mask or a cloth over the mouth [...]
April 23, 2020

ExpressVPN - Reviews, experiences, and prices

A VPN helps you surf anonymously, change your location digitally and be more secure on the Internet. In many reviews, ExpressVPN is the test winner, which is due to several advantages of the provider. [...]
April 22, 2020

Mobile phone tariffs from the discounter - tips for the right tariff

Whether prepaid tariff with fixed prices for telephony minutes and SMS or all-network flat rates with gigabyte-wise inclusive volume in the high-speed network - discount mobile phone providers can keep up with network operators. They act themselves in the networks of Telekom, Vodafone and Telefónica (O2), [...]
April 22, 2020
Turn on the Kindle Paperwhite

Kindle Paperwhite won't work anymore - hard restart helps!

I have to read a little bit in bed every night before I can sleep well. It probably helps a bit to put the programming problems and house renovation to-do lists out of your head in order to make room for the sheep [...]
April 22, 2020

What is Canva Design?

There are various providers for creating graphics and designs online, including Canva Design with a free offer and two subscription models. With a free account, you can create logos, posters, flyers, letterheads and more. Also the […]
April 22, 2020

Corona data donation app of the RKI - CCC recognizes clear defects and gaps

The corona data donation app from the Robert Koch Institute (RKI) is intended to collect anonymized data in order to identify coronavirus hotspots. But the Chaos Computer Club (CCC) recognizes clear shortcomings. Data protection has not been given sufficient consideration and the reading of [...]