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Counting words in string

I was trying to count words in a text in this way: function WordCount(str) { var totalSoFar = 0; for (var i = 0; i < WordCount.length; i++) if (str(i

how to get a video's duration in both php and javascript?

I want to get the duration of the video while user uploading the video. I dont want to put the video tag in html. I want the getting video duration code in both

Angular 10 run ng serve get webpack, memory errors

I've simply tried to create an Angular application on my MacOS machine. npm install -g @angular/cli ng new my-app cd my-app ng serve I have used nvm use 12

How to get sum of diferent fields / array values in elasticsearch?

Using Elasticsearch 7.9.0 My document looks like this { "student": { "marks": [ { "sub": 80 }, { "sub": 90 },

Reflection to hierarchy of type

Let's consider following example. public class User { public string Name { get; set; } public Department Department { get; set; } }

input onChange is wiping all elements from DOM in React. The input form works well with a button, but can't seem to work onChange on the first load

So I'm creating a grid that you can resize using two input fields on the app. I have the input for cells across, input for cells down and the button to set the

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