DroneDeploy at https://www.dronedeploy.com/is a program where you can make an 3D model based on your DJI drone flight.
At https://www.annikken.com/ you find an Arduino version where you can produce a mobile app in the same programming enviroment as you program Arduino.
They also produce an version you can programme in block programming langue so you don’t need any advance programming skils.
Fantastic video explaining Diffie-Hallman key exchange alogrithm used in asymetric gyptography in a simple way.
Thanks to Khan academy for yet another lessions.
This video explain the RSA algorithme https://www.youtube.com/watch?v=Z8M2BTscoD4
And her you find an example where the Euler Totient function is calculated in an other way https://www.youtube.com/watch?v=kYasb426Yjk
For sysetric encryption I find this video wery good https://www.youtube.com/watch?v=jKkZ9-Ij6Hs
Here i list the help pages for the syntax or functionality in c# I have problems to remember, topic I have to google again and again.
- String formater, Standard Numeric Format Strings
- Lambda expressions, the “( x => (int)x * (int)x, number)” principle
Blockchain is the new buzzword, and can be a major step in a higher security in the digital World.
Ethereum seem to be a easy to start place for developping and testing blockchain
And a illustrativ demo https://anders.com/blockchain/ with source code at github
An introduction in Danish you can find at http://www.danskbitcoinforening.dk/
Here is two guides to make and test an private blockchain
I have found this webiste, where you can get a very good understanding af depth of field in an interactively way. On this site you can calculates the camera depth of field and background blur and visually simulates it on a photo together with different types of lens blur (bokeh) for any lens, camera and distance combination.
It is a challenge to take good and appetizing pictures of food. I find Michael Rays website very interesting with a lot of good advice and ideas. I tried his advise in this article http://foodportfolio.com/two-biggest-food-photography-lighting-mistakes/ and got this result – In my opinion not bad in 10 minute and without any post processing 🙂