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I have created a custom async emitter to have a server -> client -> server method.

However, it doesn't work as expected. It emits the event, but does not run the callback.

With Socket.IO debugging enabled, I can see that the socket.io:socket is logging that it is emitting the correct event.

Function code:

I have just started using Docker as it has been recommended to me as something that makes development easy, but so far it has been nothing but pain. I have installed docker engine (v20.10.12) and docker composer (v 2.2.3) as per the documentation given by docker for Ubuntu OS. Both work as intended.

Whenever I new up a new container with docker compose, no matter the source, I have writing privilege issues to files generated by the docker container (for example a laravel application where I have used php artisan to create a controller file). I have so far pinpointed the issue to be as follows:

By default docker runs as root within the container. It "bridges" the root user to the root user on the local machine and uses root:root to create files on the Ubuntu filesystem (my workspace is placed in ~/workspace/laravel). Then when opening the files in an IDE (vscode in this instance) I get the error:

I have reversed the string and have a for loop to iterate through the reversed string.

I am counting characters and I know I have a logic flaw, but I cannot pinpoint why I am having this issue.

The solution needs to return the length of the last word in the string.

My first thought was to iterate through the string backward (I don't know why I decided to create a new string, I should have just iterated through it by decrementing my for loop from the end of the string).

But the logic should be the same from that point for my second for loop.

My logic is basically to try to count characters that aren't whitespace in the last word, and then when the count variable has a value, as well as the next whitespace after the count has counted the characters of the last word.

I am doing the walkthrough for building a full stack app with Amplify and am stuck on the third module, adding auth. I followed all the instructions to a T but my build is failing saying there are invalid feature flags like so.

While debugging a problem in a numerical library, I was able to pinpoint the first place where the numbers started to become incorrect. However, the C++ code itself seemed correct. So I looked at the assembly produced by Visual Studio's C++ compiler and started suspecting a compiler bug.

I was able to reproduce the behavior in a strongly simplified, isolated version of the code:

sourceB.cpp:

I am trying to build a calorie calculator using HTML and JS and am currently struggling to show the output on screen (or via console.log). I know I'm doing something very basic quite wrong but can't currently pinpoint what that is.

Here's both my HTML and JS code below:

I have integrated a ArcGIS Esri map in a Angular application and I have some locations feeded into a feature layer and those locations are displayed on the Map now as Pinpoints.

But now what I want is ,When user go in to the map page I want to show the zoomed in view of that location on the map.

How can I achieve this?

.ts file

I am trying to compute the distance between vectors in two pandas dataframes using cdist from scipy.spatial.distance, but the output is all wrong and I can't pinpoint where is fails.

So, My original dataframes are of the type:

I've read the paper An inherently iterative computation of Ackermann's function, published by Grossman & Zeitman in which they present an algorithm which optimizes Ackermann's function.

We know that the Ackermann function produces the result in the subsequences A(m,n)

m=0: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,...
m=1: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,...
m=2: 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33,...
m=3: 5, 13, 29, 61, 125, 253, 509, 1021, 2045, 4093, 8189, 16381, 32765, 65533,...
m=4: 13, 65533,...

It's stated that the Next array is to keep track of where we are in each subsequence, and the Goal array is to keep track of where we need to reach before transferring the value just calculated to the next subsequence. And all it does is incrementing 1 to the value:

...