Questions tagged [array-replace]

Array-replace means elements of one array will be replaced in the other array.

9 questions
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7 answers

How to replace elements in array with elements of another array

I want to replace elements in some array from 0 element, with elements of another array with variable length. Like: var arr = new Array(10), anotherArr = [1, 2, 3], result; result = anotherArr.concat(arr); result.splice(10, anotherArr.length); Is…
Artem Svirskyi
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1 answer

APL: array's element replacement and multiplication

Let's say in APL language, I have a 2D array of shape 10x3. I cannot figure it out how to: replace all the occurrence of some specific numbers (e.g. 1, 2, 3, 4) in the entire array with 0, 10, 100, 1000 respectively. So I want to map 1 to 0, 2 to…
1
vote
3 answers

How to merge two multi dimensional arrays by key value in php?

I have two arrays $arr1 = [ ['month' => 1], ['month' => 2], ['month' => 3], ['month' => 4] ]; $arr2 = [ ['month' => 3, 'info' => 'Alpha'], ['month' => 4, 'info' => 'Beta'] ]; I have tried array_merge &…
0
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0 answers

how to change value of an array based on value php

i try to change roman numerals in a string to numeric value. In order to find and replace the roman numerals in the array i tried str_replace() but the Output confirms that the method is not working. $string = "This is a Test String with Roman…
0
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3 answers

How to replace value of array in javascript with another value of array?

I'm trying to replace values from an array which are present in a string with another array. What is the best way to do this in Javascript? here is my code : var string = "I've to but the Item1 along with Item2 and Item3. From the Item4." var array1…
Aman Dutt
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Postgres array_replace function not existing in version 11, 12

Quite frustrating that array_replace function exists in version 9, but not in 11 or 12. Is there a way to activate this function or something of that sort? Please help I am running Postgres 11.5, select version() gives me the…
Mav S.
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2 answers

replace all values in array that have "o" letter in php

This is my array $arr = array("dog", "cat", "lion"); Now i wanna replace any value that has the letter o with 0. Example : $arr = array("d0g", "cat", "li0n"); This is my method for doing this : $arr = array("dog", "cat", "lion"); $arr2 =…
user12670050
0
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4 answers

Merge/Replace associative rows from one array with the associative rows of another array

I have 2 arrays - one is hard coded and the other is data retrieved from a database. I am trying to merge them but I'm having unexpected results. This is the first array: $base_image_array = [ ["product_image_one" => ""], …
0
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4 answers

Replace elements in an associative array using another associative array

How can assign the values from one array to another array? For example: //array with empty value $targetArray = array( 'a' => '', 'b' => '', 'c' => '', 'd' => '' ); // array with non-empty values, but might be missing keys from the…