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Root One Plus 5T on Android 10

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With TWRP unavailable for Android 10, we can still root the One Plus 5T (and other models too) with these instructions. This guide assumes your bootloader is unlocked. If not, here is a guide. Unlocking the bootloader will reset your device to factory settings, deleting all content, so make sure...
Add an explicit route to access your local resources in the remote network, when using OpenVPN on Mac OS.
Instagram Locked
Locked out of Instagram for not receiving the 2FA SMS? Learn how to log in using your Facebook account, and its backup codes.
Network Diagram for Building your own router
Learn how to build your own router with a PC (server) running pfSense, a switch, and a wireless access point.
Tutorial - Learn how to run the lastest version of bitcoin node on your Ubuntu. Optional support for Bitcoin wallet with BerkeleyDB included.

Speed of Sound

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Visualization showing the speed of sound under different scenarios. It almost made it to Reddit's frontpage :-)

Compiling Berkeley DB 4.8.30 in Ubuntu 19

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I've been following guides like this one, to run a bitcoin node, but upon compiling Berkeley DB 4.8.30 on my Ubuntu virtual machine, I kept getting the error: ln -s libdb-4.8.a libdb.a ./libtool --mode=compile g++ -c -I. -I../dist/.. -D_GNU_SOURCE -D_REENTRANT -O ../dist/../cxx/cxx_db.cpp libtool: compile: g++ -c -I. -I../dist/.. -D_GNU_SOURCE -D_REENTRANT...

San Francisco Geo-Ethnicities

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I had been wanting to better understand the geographical characteristics of race and ethnicity in the San Francisco/Bay Area region where I reside. The US Census has plenty of updated information on this topic, and Uber recently released Kepler.gl, an in-browser application to visualize maps. With both of these,...

Alexa is (probably) not spying on you

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Motivation I constantly come across people that claim Alexa (Amazon Echo) is spying on you. They argue that Alexa is either transcribing everything you say and sending the resulting plaintext to Amazon; or even worse, they are just recording and sending audio files. I personally find it hard to believe. If...

DD-WRT – 10 reasons to get it

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I've been an avid DD-WRT user for about two years now, and I've decided to compile a list of the top 10 reasons for me to love it. If you want to get started on DD-WRT, you will need a compatible router and then you will need to flash...