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-2 votes
1 answer
84 views

I am a beginner in Java and currently learning arrays and loops. I wrote the following code to print all elements of an array using a for loop. However, when I run the program, it throws an ...
0 votes
1 answer
98 views

I am working with Doctrine ORM and I often see recommendations to call toArray() on a collection before iterating over it when removing elements. I would like to understand whether this is really ...
-2 votes
2 answers
112 views

I have the following code that contains an array of different book titles in subsequent objects. The code I have that filters the array is fine and returns the right information. However is there a ...
0 votes
2 answers
98 views

I'm trying to get tag data for each blog post I retrieve from the database. In order to do so, I need to first make an asynchronous call to the database to retrieve the blog post data that contains ...
3 votes
2 answers
146 views

A 1-d array of ints sorts correctly. An array of arrays of ints does not sort as ints; it sorts as strings. (10,1,2) | Sort-Object This works and is sorted as ints: 1 2 10 But consider this code: $...
-3 votes
0 answers
45 views

I am trying to remove an object from a JSON list using PHP: <?php $items = json_decode( '[ { "id": 23, "name": "fred" }, { "id": 24, &...
5 votes
4 answers
140 views

I am trying to check how many elements in one numpy array can be found, with a certain tolerance, inside another numpy array. For now I have been using a for loop to apply my comparison logic, however,...
Best practices
1 vote
5 replies
85 views

I am currently using the following code to return a new array with the map_of_indexes = []; pupils =[1000,1001,1002,1005,1003,1004,1020,1006,1007,1008,1009,1010,1011,1012,1013,1014,1015,1016,1017,...
-1 votes
2 answers
110 views

I need to create a 2D array with size n*m, multiple times, with n and m changing each time. Here's the code similar to the one I'm using: vector <vector<unsigned short>> arr; for (int _ = ...
-4 votes
1 answer
160 views

I'm trying to repurpose Minesweeper to be used as an obscured map in a puzzle I'm making. I've had the most success in a Google Sheets clone I found that was built with Google Apps Script. I've done ...
1 vote
2 answers
113 views

I am trying to learn how to create arrays of objects. I often use this tool to help me "step" through a program to see how values are initialized and updated and to get a feel for the "...
Best practices
1 vote
0 replies
51 views

I am working with a dataset where I’ve extracted features from another set of datasets for a classification task. These features are numerical, but some of the features are represented as an array of ...
0 votes
1 answer
27 views

I have a data file in the format of an array of arrays, similar to a nested JSON array structure. The first row contains an array of column names, and each subsequent row contains an array of data ...
0 votes
1 answer
152 views

In C, I first opened a binary file like this--- FILE *BINfile = fopen("./tmp.bin", "rb+"); Then I transferred the data into an unsigned char array (typedef as byte) like this--- (...
0 votes
1 answer
28 views

If i would compare by references i can deal with raw_data from What is the preferred method of comparing values? I think it's too generic to not exist in std... // Maybe I can make `return false` on `...

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