Questions tagged [indexof]
indexof is a method in programming languages like Java, C#, JavaScript, etc. that returns the first occurrence of a letter in a string, or the first occurrence of an element in a list.
indexof
1,987
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Is string.indexOf() treated the same on Linux vs Windows?
I'm not an experienced JavaScript programmer. This is my first project using JS.
I'm developing on Linux and am at the point for my first release. Running the project on a Windows machine I came ...
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1
answer
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NodeJS String.indexOf slowness even though index 200/1000000
Consider a long stringified JSON object (millions of characters) returned by an API.
Since I just need to find some value based on its key, my first reflex was to parse it and then select it directly, ...
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Wamp Server display full path of Index of
I wish to be able to see the full path of Index of /
currently am getting
Short Version
and would like to see the full path i.e
Forbidden You don't have permission
What do I need to change to get full ...
0
votes
4
answers
65
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How to get an index of random property of array of objects?
I have an array of objects.
const items = [{
name: "item1",
img: "img/pic/picture1.png"
},
name: "item2",
img: "img/pic/picture2.png"
},
name: "...
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0
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GAS Can I search down instead of across an array using indexOf() [duplicate]
I have a table in a sheet which acts like a database. A4 holds some maths to tally up the number of entries in the table. It takes ages searching through it using nested for loops, so I wondered if I ...
2
votes
3
answers
105
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Find index of next word after the given word
I am trying to write a Java function with the following parameters:
String str: the sample text
String word: a word
String nextWord: another word
If I pass a given str, a word, and nextWord ...
1
vote
3
answers
40
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How do you append to an object array by searching a different array for a object and returning a different object in javascript?
Similar to a vlookup in excel. I have 2 object arrays in javascript. I want to look up an object from array #1 in array #2 and push an object from array #2 to the array #1. I want this to happen for ...
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1
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How to find the index of words in array with specific letter?
I have a string list where i add my Tags.
A Tag cotains a Line, Source and Target.
Tag example: L02_FTxx10_STxx5
L02 -> Line
FTxx10 -> Source
STxx5 -> Target
I split every tag into an array ...
-1
votes
1
answer
31
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How to parse exclude "alt=\ when parsing text from a string?
example of the string: alt="hello world" >"
i want to get only the hello world using indexof and substring.
int indexDescription = line.IndexOf("alt=");
int ...
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1
answer
51
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Javascript indexOf/charAt not working for Japanese half-width Katakana
In my codebase I have this code, surprisingly it returns 1:
'トゲ'.indexOf('ケ') // Returns 1
The character ケ doesn't seem to appear in string トゲ.
I also tried to run this code:
'トゲ'.charAt(1) // ...
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0
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Locating the positions of an array within another array [duplicate]
I am looking for all positions of an array within another array.
In the examples on the next page, values are strings but I need to work with arrays:
Array.IndexOf Method
Here are my examples:
Array....
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1
answer
57
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Cannot get indexOf() from array
I'm new to Java and I'm trying to do this project for my class however I've been stuck for the last hour on one single part. I'm trying to call the index of the variables under the "fromCity"...
1
vote
1
answer
42
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Add to string at specific index at for each occurence
I am trying to add to a string, in this instance I am wanting to alter the href and add a string to the beginning of each href in a string. I have figured out how to do it for one instance, but not if ...
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3
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How to convert the perl index script to bash function
I want to use perl to get the index of from any given string and substring in bash function.
Here is the example for getting the indexOf value from perl script:
https://www.geeksforgeeks.org/perl-...
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1
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QByteArray::indexof always returning 1
QByteArray bItem;
QByteArray alpha("0123456789ABCDEF");
quint8 iItemHi=0, iItemLo=0, index;
QTableWidgetItem *hexItem = new QTableWidgetItem;
hexItem = ui->hexSectorDisplay->item(x,y);...