Samsung announces Connect Tag tracker that uses cellular IoT tech to help you find people and things

There is no shortage of little portable tracker devices that you can attach to your keys or your dog to ensure you never lose the things that matter most. But Samsung has today announced the Samsung Connect Tag, one of the first mobile consumer products that uses the fledgling narrowband IoT (NB-IoT) standard to connect … Continue reading Samsung announces Connect Tag tracker that uses cellular IoT tech to help you find people and things

Enabling Simultaneous AP and Managed Mode WiFi on Raspberry Pi Zero W

Personal note: Running both an access point and a client configuration on the same network adapter (i.e., simultaneous Client/AP mode) requires support for so-called virtual interfaces. Whether a certain Wifi hardware and driver combo supports virtual interfaces and in which configurations can be found out by looking at iw list output (look for AP and … Continue reading Enabling Simultaneous AP and Managed Mode WiFi on Raspberry Pi Zero W

A good Express JS crash course

https://www.youtube.com/watch?v=gnsO8-xJ8rs   Express.js, or simply Express, is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs. It is in fact the standard server framework for Node.js. The original author, TJ Holowaychuk, described it as a Sinatra-inspired server, meaning that … Continue reading A good Express JS crash course

What information iwconfig provides on Ubuntu

Question: lo no wireless extensions. eth0 no wireless extensions. wmaster0 no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"Network" Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Tx-Power=20 dBm Retry min limit:7 RTS thr:off Fragment thr=2352 B Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 … Continue reading What information iwconfig provides on Ubuntu

Ruby on Rails in Machine Learning – Yay or Nay?

Machine Learning is a trending field of Computer Science turning computer’s computations into a new level and giving a number of unique opportunities. It’s getting more and more popular, and it’s common for modern web application as well as services, such as Netflix, Spotify, Amazon.com and Facebook. Machine Learning is a good solution for apps … Continue reading Ruby on Rails in Machine Learning – Yay or Nay?