What I learned today

Remote debugging with python and visual studio Code In terminal install debugpy into your environment with something like     python -m pip install debugpy Create a visual studio launch configuration and add following to it following (or just use vs code create configuraiton button to easily create it choose type Python and select from the list, 'Remote attach') { "name" : "Python: Remote Attach" , "type" : "python" , "request" : "attach" , "port" : 5678 , "host" : "localhost" , "pathMappings" : [{ "localRoot" : "${workspaceFolder}" , "remoteRoot" : "." }] }, Run this in the command line to start a debugging server with your script runner python3 -m debugpy --listen 1.2.3.4:5678 --wait-for-client Yourscript.py Now run the launch configuration from vs code to attach to this debugger

This is currently WIP, I will fill in more details but it's a good starting version that is still hopefully useful to the reader... Recently I worked on a project that involved scheduling a number of tasks in parallel in Node.js. Running mutiple tasks I used the await-the library to do this. https://github.com/olono/await-the/blob/master/lib/result.js There are multiple ways to solve this kind of problem. Mainly you have to understand the Node.js is a single threaded environment (See Event loop) and how callbacks operate with a library like async or await-the. Basically, here idea was that you write a function that has a callback as its last argument ```   const doTask = async (arg1, callback) {    const results = await doStuffWith(arg1) ;    callback(results); } ``` Then perform this action on multiple inputs in parallel such as by using the excellent async.mapLimit function if you want to limit how many tasks in parallel you want to to run   async.mapLi