I have an array $x with nonzero number of elements. I want to create another array ($y) which is equal to $x. Then I want to make some manipulations with $y without causing any changes to $x. Can I create $y in this way: $y = $x; In other words, if I modify $y created in the above shown way, will I change value of $x? ...
Is it possible to push to an array reference in Perl? Googling has suggested I deference the array first, but this doesn't really work. It pushes to the deferenced array, not the referenced array. For example, my @a = (); my $a_ref = [@a]; push(@$a_ref,"hello"); print $a[0]; @a will not be updated and this code will fail because t...
So this is a simpler form of my problem. Lets say I have 2 arrays. A= {1,2} and B={2,4,6}. If A and B share an element then delete that element from B. I know you can loop through and compare each element in A to each element in B, but there's got to be a better way! ...
How rigorous is the bounds checking on vectors compared to heap arrays? How exactly is it checking bounds and how does that compare with how a heap array is checked? ...
I recall seeing, somewhere, an example that stepped through String args[] by deleting the lowest numbered value(s) public static void main( String args[]) { while (args.length > 0 ) { // do something and obliterate elements from args[] } } Obviously, a variable tracking current position in args and compared to args.length ...
I'm looking for a formula or rule that will allow me to distribute n characters into a n*n grid with as perfect of a distribution as possible. Let's say we have an array of 5 characters, A through E. Here's an example of how it definitely shouldn't turn out: A B C D E B C D E A C D E A B D E A B C E A B C D With this pattern, the lett...
First, it is long post so if you need clarification please let me know. I'm new to Java and having difficulty deciding whether I should use int[] or Integer[]. I wrote a function that find odd_number from int[] array. public int[] find_odd(int[] arr) { int[] result = new int[arr.length]; for(int i=0; i<arr.length; i++) ...
I'm using PHP to return a json_encode()'d array for use in my Javascript code. It's being returned as: {"parent1[]":["child1","child2","child2"],"parent2[]":["child1"]} By using the following code, I am able to access parent2 > child1 $.getJSON('myfile.php', function(data) { for (var key in data) { alert(data[key]); } ...
I used to do this with PEAR MDb2: $fields_values = array( 'first_name' => $first_name, 'last_name' => $last_name, 'email' => $email, 'p.... ); $mdb2->loadModule('Extended'); $result_insert = $mdb2->extended->autoExecute('user', $fields_values, MDB2_AUTOQUERY_INSERT); $new_user_id ...
Hi i have a social networking website. what i want it to do is pull out my friends status updates. basically what it does is i have a mysql query that pulls out all of my friends and in that while loop there is another mysql query that pulls out the status's from my friends. i want it to be in order of date but since its one while loo...
How to find a value exist in an array and how to remove it. If any php builtin array functions for doing this. After removing I need the sequential index order. any body knows please help me. ...
Hi All: I have a strange problem in Python 2.6.5 with Numpy. I assign a numpy array, then equate a new variable to it. When I perform any operation to the new array, the original's values also change. Why is that? Please see the example below. Kindly enlighten me, as I'm fairly new to Python, and programming in general. -Sujan >>>...
Hello I have an array that looks like this, Array ( [cfi_title] => Mr [cfi_firstname] => Firstname [cfi_surname] => Lastname [cfi_email] => [email protected] [cfi_subscribe_promotional] => [cfi_tnc] => [friendsName] => Array ( [0] => Firstname 1 [1] => Firstname 2 ...
Array ( [0] => Array ( [auth_id] => 1 [auth_section] => Client Data Base [auth_parent_id] => 0 [auth_admin] => 1 [sub] => Array ( [0] => Array ( [auth_id] => 2 ...
Hi, I currently have an array, created from a database, an example of which looks like the following: Array( [0] => Array ( objectid => 2, name => title, value => apple ), [1] => Array ( objectid => 2, name => colour, value => red ), [2] => Array ( objectid =...
bash-3.00$ cat arr.bash #!/bin/bash declare -a myarray myarray[2]="two" myarray[5]="five" echo ${#myarray[*]} echo ${#myarray[@]} bash-3.00$ ./arr.bash 2 2 both are giving number of elements of array. So what is difference between the two? ...
Awk offers associative indexing for array processing. Elements of 1 dimensional array can be iterated: e.g. for(index in arr1) print "arr1[" index "]=" arr1[index] But how this kind done for a two dimensional array? Does kind of syntax,given below work? for(index1 in arr2) for(index2 in arr2) arr2[index1,index2] ...
how to fetch out the index/key from an array using its value in PHP? If i have an array say : array{ 0 => 'Me', 1 => 'You', 2 => 'We' } then here how to find that value "You" has key "1"? Using any php logic. ...
It might be a bit difficult to explain, so I'll give some example code. Note that I'm using NetBeans IDE (latest). class Dummy { public function say(){ } } /** * Builds dummy class and returns it. * @return Dummy The dummy class. */ function say_something(){ return new Dummy(); } $s=say_something(); While developing in netbea...
How can i send an Array with a HTTP Get request? I'm Using GWT client to send the request. ...