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[cz] Proč je Facebook a Messenger špatný

August 11th, 2017 2 comments

Facebook prý spojuje lidi a umožňuje být neustále s přáteli, aniž bych vystrčil nohu z baráku či postele. Facebook se tváří jako nejlepší kamarád a pomocník, že dělá pro nás to nejlepší. Ale je tomu opravdu tak? Read more…

Referer sending options in Firefox

March 16th, 2017 No comments

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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Tips for making a new password and how passwords work

October 22nd, 2016 No comments

From what I have seen, many people use weak passwords. But it’s actually easy to make them strong. Let’s see. Read more…

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[cz] Úvod do SQL

October 15th, 2016 No comments

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.

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[cz] Generátor bankovního čísla účtu

April 1st, 2016 No comments

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.

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Power Bank 5000mAh Solar Charger Reverse Engineering & Modification

December 17th, 2015 2 comments

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.

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Micronova Pellet Stove LCD Reverse-Engineering

December 17th, 2015 No comments

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.

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SSH Tricks You Must Know

March 9th, 2015 No comments

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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SSD Drive Failure on Mac

March 15th, 2014 No comments

All of a sudden my Mac Mini froze and all I was able to do was to move the mouse cursor with spinning beach ball. I tried restarting, but the same thing happened a few minutes after booting. I figured out it was an SSD disk problem but decided to describe it in more details here.

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Automatically converting binary plists to xml1 in vim

December 1st, 2013 No comments

Just a quick vim configuration suggestion to auto-convert bplist to xml1.

Add these lines at the end of your ~/.vimrc :

” convert binary plists to xml1
autocmd BufReadPre *.plist set autoread
autocmd BufReadPre *.plist silent !plutil -convert xml1 <afile> 2>&1 >/dev/null

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