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Questions - indexof

Deleting Spaces In Complicated Strings

Just another silly novice question (like Confucius said it is better to ask then live in ignorance) regards to deletion of spaces in long and complicated strings. First of all I must say that I am tr...
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Torrvic

c#

string

substring

indexof

Votes: 0

Answers: 3

Latest Answer

The program doesn't "delete space" physically. This line: someString = string.Concat(before, after); Does two things: Take the before and after substrings and concatenate them, obtaining a...
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Daniel Daranas

JavaScript String indexOf() selects also 1&3 instead of only 13

I have this indexOf(), the issue I have is that when norms[] has an dataset like 2,13 that options that are set as selected in norm_id['+nr+'][] are not only the values 2 and 13 but also the values 1 ...
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Muiter

javascript

indexof

Votes: 0

Answers: 2

Latest Answer

I have solved the issue with the code below. var element = document.getElementById('calc_norm_id['+nr+'][]'); var values = norms; var values_split = values.split(','); for (var i = 0; i < element....
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Muiter

Why does &#39;indexOf&#39; not find the specified arrayOfLong?

I have an ArrayList of LongArrays, each of size 2. I am trying to use the built-in 'indexOf' method to find the index of a specific array of longs, and I can't figure out why the code says the array ...
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Daniel Klisiewicz

kotlin

arraylist

indexof

Votes: 0

Answers: 1

Latest Answer

indexOf uses Object.equals() when you pass arrays, which compares by reference address which is different for the LongArray passed to indexOf and the one present in cardHierarchy. Change it to cardHie...
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DragneelFPS

How to instantly update react state after replacing the value from array

I have a function which gets the user input and update the array if the same key is available already. with the help of this article This is how it looks; const handleClickYes = (question) => { ...
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atropa belladona

javascript

arrays

reactjs

indexof

Votes: 0

Answers: 1

Latest Answer

You're not calling setState() within the first half of your if block. Also, never mutate state directly. Make a mutable copy, like so: const handleClickYes = (question) => { // find if question i...
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spatialaustin

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