multidimensional-array

问题 I have an array that looks similar to this: Array ( [0] => Array ( [0] => Model2345 [1] => John Doe [2] => SN1234 ) [1] => Array ( [0] => Model2345 [1] => John Doe [2] => SN3456 ) [2] => Array ( [0] => Model1234 [1] => Jane Doe [2] => SN3456 ) ) I want to have a way to check for duplicate values for keys [1] (the John Doe/Jane Doe key) and [2] (the SNxxxx key) in php, but ignore duplicates for key [0]. How can this be accomplished? 回答1: Try this: $array = your_array(); $current = current(

问题 I have this array : $data = Array ( [1] => Array ( [id] => '52040344' [outcome] => 0 [names] => Array ( [name_eng] => 'this is a name 2' ) ) [2] => Array ( [id] => 54030157 [outcome] => 1108541 [names] => Array ( [name_eng] => 'this is a name 1' ) ) [3] => Array ( [id] => '54030157 [outcome] => '109635' [names] => Array ( [name_eng] => 'this is a name 1' ) ) ) i want to to return an array with the sum of all outcome having the same id, knowing that if they have same id, they have same name.

问题 My problem is to store details of people in Java. I looked up at the Oracle website topic How to Use Tables and found out that one can use object arrays(2 dimensional) to store details. But my interest is to make a dynamic object array so I can store any amount of data and also take input to store those details from the user. For instance, at the beginning of the program I can specify an object array to hold 5 records, but I actually want an array that could add another available location if

问题 My problem is to store details of people in Java. I looked up at the Oracle website topic How to Use Tables and found out that one can use object arrays(2 dimensional) to store details. But my interest is to make a dynamic object array so I can store any amount of data and also take input to store those details from the user. For instance, at the beginning of the program I can specify an object array to hold 5 records, but I actually want an array that could add another available location if

问题 I am able to print out a 2D array into an output file but it is not uniform. I would like to have the 2D array evenly spaced when it is printed out. I am fairly new at programing in C so any help would be greatly appreciated! My Code: #include <stdio.h> #include <stdlib.h> /** * Driver method for program */ int main() { int nums[200]; int i = 0; int j = 0; FILE * in_file; FILE * out_file; srand(time(0)); //seed for random generator /** * if loop reads text file and stores numbers into array *

问题 I have an array of arrays: Array ( [0] => Array ( [id] = 7867867, [title] = 'Some Title'), [1] => Array ( [id] = 3452342, [title] = 'Some Title'), [2] => Array ( [id] = 1231233, [title] = 'Some Title'), [3] => Array ( [id] = 5867867, [title] = 'Some Title') ) The need to go in a specific order: 3452342 5867867 7867867 1231233 How would I go about doing that? I have sorted arrays before, and read plenty of other posts about it, but they are always comparison based (i.e. valueA < valueB). Help

问题 From this Array() I want to grab the values of amount_total , shipping and partner and total them up by specific partner. So for example the partner=>2665 should have a amount_total of 41.79 + 55.95 and so on please help. I don't want to do it through SQL because I need the data as it is as well. Array ( [0] => Array ( [amount_total] => 41.79 [amount_shipping] => 4.99 [amount_partner] => 14.8 [partner] => 2665 ) [1] => Array ( [amount_total] => 55.95 [amount_shipping] => 19.96 [amount_partner

问题 I am trying to use 2 dimensional array in javascript for storing strings. But I am not able to get the values correctly. Below is my code. var commentstore=new Array(); function creating(id,day) { if(commentstore[day,id] != null) { alert("It already exists: commentstore["+day+"]["+id+"]"+commentstore[day,id] ); var textinput="<div id='closeit'>Comments:<input type='text' name='comm["+day+"] ["+id+"]' value='"+commentstore[day,id]+"'/></div> <div id='closing' onclick='closecomment("+id+","+day

问题 I have small function which creates html output according to my $schema array structure. Is it possible to have same output with my new array structure? (Is it possible to pass index names of arrays inside function) My original array structure. $schema = array( array( 'tag' => 'div', 'class' => 'lines', array( 'tag' => 'div', array( 'tag' => 'span', 'style' => 'margin:10px; padding:10px', 'key' => '$key-countryname', ), 'key' => '$value-country', ), array( 'tag' => 'div', array( 'tag' =>

问题 Please check the following... var arr = [["test", 1], ["test", 3], ["test", 5]] var otherArr = arr.slice(0) //should be a new array with a copy of arr When i evaluate arr === otherArr the result is FALSE . When i do the following, trying to change first array value: otherArr[0][1] = otherArr[0][1] + 5; it also changes the original array (arr) arr[0][1] === otherArr[0][1] evaluates to TRUE but arr === otherArr evaluates to FALSE Please help me understand this to avoid it. 回答1: This is best