How can I login email or phone or username with password in node js and mongodb? user can login with email and password, username and password, phone and passwo
I've been trying out prolog since yesterday, and trying to define chess rules. In particular, I want to define either a square is an edge or not. Here are the r
For biome area distribution I combine perlin noise representing temperature, and moisture levels using voronoi cell distribution. The world is divided by some m
I am using 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5' for mqtt service and the app keeps crashing on android 12 devices with the following crash lo
I'm currently using Next.js for my front-end framework. I've been considering on using another javascript framework for my back-end, however it occured that me
def reverse(s): str = "" for i in s: str = i + str return str I don't understand how using str in this case reverses the string?
Working with the map-related application(ArcGIS runtime) using Xamarin.Forms. A crash happened with Uwp devices while navigating and loading the map page. While