Sending Referer header to the target site after every click on a link is basically revealing URL of the referring site. Several sites mention it as a potential privacy concern but as far as I know there is no UI option in common browsers. Firefox since 28 added “hidden” options for this.
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From what I have seen, many people use weak passwords. But it’s actually easy to make them strong. Let’s see. Read more…
Our ISP (internet service provider) finally started offering IPv6. On the server, I received static configuration. Here, they are using DHCP6 with prefix delegation and it isn’t as straightforward as one would expect.
SQL je nejběžnější jazyk používaný pro práci s RDBMs (relační databázové systémy). Protože je užitečné umět pracovat s databází, septal jsem stručný přehled operací, které se pomocí SQL dají dělat na jednoduchých konkrétních příkladech, s odkazy na další zdroje.
Aby se předešlo překlepům a nechtěné platbě na cizí účet, využívají číšla účtů v ČR formát podle vyhášky č. 62/2004. V tomto článku je odkaz na generátor validních čísel.
A few things I didn’t know about Linux at the time I was primarily using Windows.
I bought a cheap solar power bank from China to power my temperature sensor. Unfortunately it was shutting itself down once fully charged, requiring me to power on manually again. In this post I will show you my reverse-engineering notes, images and what I did to make it always powered on.
While trying to find out a way to communicate with my pellet stove I decided to have a look at the LCD communication and maybe learn something new and have fun. It is a segment LCD and maybe you find this useful, especially when designing your own control panel or reusing the LCD from a broken panel.
Here is how to control a pellet stove with a Micronova controller remotely either via IR commands or using the serial line.
Here are some general SSH tips and a short guide for setting up an SSH connection from Mac to iOS devices.
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