FAQ Database Discussion Community


What array structure is in C# but not in C/C++/Java? [closed]

java,c#,c++,c,array-difference
I'm preparing for exams and there's this question I can't find answer to. Read bunch of articles, closest I found was Arrays in C# come in three flavors: single-dimensional, multidimensional rectangular arrays (like the C++ multidimensional arrays), and jagged arrays (arrays of arrays). So this suggests that there's no jagged...

Finding difference is not working

python,difference,array-difference
I am trying to find difference from two files but still I get answer from two files This is my code #File one(This file contents should be removed after comparing file two) a = open('diff1','r+') #File two #This file has 999999 records b = open('gtin','r+') f8 = open('missing-test-remove.txt','w') def diff(a,...

Remove array elements that are present in another array

ruby,arrays,array-difference
There is a list of words and list of banned words. I want to go through the word list and redact all the banned words. This is what I ended up doing (notice the catched boolean): puts "Give input text:" text = gets.chomp puts "Give redacted word:" redacted = gets.chomp...

comparing two arrays and return difference of arrays

php,array-difference
My old array data: [Job] => Array ( [id] => 2 [job_state_id] => 14 [assigned_to_id] => [patient_id] => 2 [prescription] => main [case_type_id] => 1 [upper_midline_id] => 1 [upper_midline_value] => 0 [lower_midline_id] => 1 [lower_midline_value] => 0 [treat_arches] => 2 [upper_midline_type_id] => 2 [lower_midline_type_id] => 2 [overjet] => 2 [overbite]...

Remove value from array in magento field

php,arrays,magento,array-difference
I have a magento custom collection and each item in the collection has its own landing page (collection/view/index/id/12 etc) in the frontend & managed in the admin backend. I have a controller action that allows users to "follow" each item, with the users ID saved/added to the items field value....

Comparing multidimensional arrays using specific key in php

php,arrays,multidimensional-array,comparison,array-difference
I have two multidimensional arrays. the first one is: Array ( [0] => Array ( [username] => J1 [fullname] => John1 ) [1] => Array ( [username] => K1 [fullname] => Kate ) [2] => Array ( [username] => P1 [fullname] => Peter ) [3] => Array ( [username] =>...

PHP more efficient algorithm than array_diff_assoc()

php,big-o,array-difference
I have a contact array with a set of values which I need to update. I also have a contactChangeLog array that will save the diff between an existing and updated contact. Only the keys which get updated need to be saved to the log. So with 2 contact arrays:...

array_diff doesn't seem to be working for me

php,arrays,array-difference
I'm pulling a feed of YouTube videos from a user account, which are then held in an array. I've been asked to hide certain videos from the array, so I thought I could do this using array_diff, and creating an array containing the IDs of the videos I want to...