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User Help

How to refer to a variable row from another sheet

I am looking for a formula to refer to an entire variable row from another sheet. Sheet 1 is a list of truck numbers with the dates of the their last work. Sheet 2 is pulling data from another sheet in the company which lists all the trucks in column C and the following columns […]

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Ask Mathematics

prove subspace exists in codomain of linear transformation

Let S:A→B be a linear transformation between finite and equal dimensional vector spaces A and B. Show that subspace C⊂B exists given that (range(S))⊕C=B and that dim(C)=dim(null(S)). From what I understand, as C has equal dimension to the nullspace of the transformation, and as the range of transformation S does not intersect C, C must […]

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Ask Mathematics

Finding Z value at specified X and Y value of Flat Plane

It’s been a while since I did any work with planes and I’m having trouble figuring out where to start to find these answers or the best way to explain it. I currently have a line that moves through (0,0,0) and (240,102,65), making a 14° angle between the X,Y plane and the line created between […]

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Development

Clicking on a button with changing xpath

I just started working with Selenium webdriver to try automate clicking a button in a discord chat based on preconditions. The problem I am having is being able to classify this button. For starters, the HTML code is as follows: <div tabindex=”0″ class=”reactionInner-15NvIl” aria-label=”, press to react” aria-pressed=”false” role=”button”><img src=”/assets/1afd3c799f3e158662a70498e83e2a87.svg” alt=”” draggable=”false” class=”emoji”><div class=”reactionCount-2mvXRV” style=”min-width: […]

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Development

How to generate a subtotal amount using the DOM

i’m trying to generate a simple subtotal amount for a small shopping cart project and it does not seem like the function can see the input value my input HTML is: <input id=”valueTest1″ type=”text” value=”0″ data-price=”10.99″> and i just need simply the data-price to * the value entered and then show in my subtotal HTML […]

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Development

List all valid users under home directory

I am on an AWS instance and have need to make a list of all the usernames on this instance. Something simple like: ls /home > users.txt would suffice, but I then need to go through each name and check its PID number, from there if the user doesn’t have a PID number (ie a […]

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Development

Angular ngStyle runs endlessly even though no change to model happening

I have a problem with ngStyle which seemingly runs endlessly, even though no changes are happening behind the scenes to component. This is a basic app that loads 3D object into the app and positions them with some random parameters for realistic effect: <ng-container> <app-inventory-model [item]=”loadedItem” [ngStyle]=”renderItem(loadedItem.weight, index)” ></app-inventory-model> </ng-container> And controller: renderItem(w: number, index) […]

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Development

DotNetNuke 9.4.4 – No service for type ‘DotNetNuke.UI.Modules.IModuleControlPipeline’ has been registered

After upgrading from 9.0.2 to 9.4.4, our site now shows the following error. DotNetNuke.Services.Exceptions.Exceptions – DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. —> System.InvalidOperationException: No service for type ‘DotNetNuke.UI.Modules.IModuleControlPipeline’ has been registered. The site comes up properly on initialization; however, on the refresh it shows a 500 internal error. In version 9.0.2 or less, we usually deploy […]

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CMS Development Wordpress

setInterval is not working in child js file

I am trying to use setInterval() into a script.js in a child theme. that was added in the functions.php child, any console.log() is working so the file is well linked. this is how I am using the method: var itemSlider = document.getElementsByClassName(“slider-item”); var a = 0; var time = 3000; var interval; for (var i […]

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Development

Map a field in aggregation using Spring Mongo (java)

I’m trying to get one property from one array that has a bunch of properties in my document and put the result as a new array This is a simple aggregation with map. I can do that with mongo in the shell by using the following query: db.getCollection(‘foo’).aggregate([ { ‘$project’: { ‘newField’: { ‘$map’: { […]