Page 42 of 127 (2534 total posts)

January 2022

12-01-2022
So what’s this GraphQL thing I keep hearing about?

So what’s this GraphQL thing I keep hearing about?

Source: freecodecamp.org

by Sacha Greif So what’s this GraphQL thing I keep hearing about?If you’re like me, you probably go through three stages when hearing about a new technology: 1. DismissalOne more JavaScript library?! Just use jQuery already!2. InterestHmm, maybe I should check out this new library I

Tags: graphql introduction api how-to cosi105
07-01-2022
High speed balancing robot: introduction - Elexperiment.nl

High speed balancing robot: introduction - Elexperiment.nl

Source: elexperiment.nl

For quite some time, I’ve been developing a two wheeled balancing robot. You know, like a Segway. But in this case it is somewhat smaller, as to minimise damage when hitting something at high speed. That happens rather often, due to the very high maximum speed of this robot. This post will cover the architecture… Read More »

Tags: how-to balancing robotics
04-01-2022
AWK-ward Ruby

AWK-ward Ruby

Source: tomayko.com

From AWK to Ruby

Notes:

One of the most important influences on Perl’s design was AWK. So much so that Perl was sometimes described as a semantic superset of AWK. Are the relics of AWK still present in Ruby? Let’s see.

Tags: ruby awk regexp how-to
03-01-2022
STICKY: Is your Pi not booting? (The Boot Problems Sticky) - Raspberry Pi Forums

STICKY: Is your Pi not booting? (The Boot Problems Sticky) - Raspberry Pi Forums

Source: forums.raspberrypi.com

If you are reading this, you are presumably having trouble getting your Raspberry Pi or Pi 2, PI3(+) or PI4B to boot. This post will talk you through the potential causes of your boot problems, and will offer some solutions. If you use the PI3B+, note that it will only boot past the "rainbow screen" if you feed it the right (latest) boot files. So in case of trouble try using the latest Raspbian from the download page, or try updating your older software on an earlier PI on which it boots, with Raspbian that should work. If not ask the people behind the software for a compatible version.

Tags: raspi trouble-shooting boot