arrays

Sorting a multidimensional array in javascript.

How would you sort a multidimensional array in JavaScript? I have an array full of arrays that contain two dates and a string. I need the main array sorted by one of the date arrays, is this possible? data stucture: events = [ { date 1, date 2, string }, { date 2, date 2, string }, ] ...

How to select the first property with unknown name and first item from array in JSON

I actually have two questions, both are probably simple, but for some odd reason I cant figure it out... I've worked with JSON 100s of times before too! but here is the JSON in question: {"69256":{ "streaminfo":{ "stream_ID":"1025", "sourceowner_ID":"2", "sourceowner_avatar":"http:\/\/content.nozzlmedia.com\/images\/so...

how to replace multi string with a array node in js

hi everyone! i here a Work and i don't know how to do it. i have a string here: <div class="demotext"> <p>this is demo string i demo want to demo use</p> </div> i create the array variable for demo: var demoarray = new array('a','b','c'); now i want replace 'demo' in string by array node, follow 'demo' one change to 'a' , 'demo...

Removing Duplicates in an array in C

The question is a little complex. The problem here is to get rid of duplicates and save the unique elements of array into another array with their original sequence. For example : If the input is entered b a c a d t The result should be : b a c d t in the exact state that the input entered. So, for sorting the array then checking co...

Adding to an Array

Hi All I have an array: String[] ay = { "blah", "blah number 2" "etc" }; ... But now I want to add to this array at a later time, but I see no option to do so. How can this be done? I keep getting a message saying that the String cannot be converted to String[]. Thank you ...

How do I create an array in javascript whose index starts from 1

By default index of every javascript array starts from 0. I want to create an array whose index starts from 1. I know, must be very trivial...thnx for ur help ...

Quickest way to compare a bunch of array or list of values.

Can you please let me know on the quickest and efficient way to compare a large set of values. Its like there are a list of parent codes(string) and each code has a series of child values(string). The child lists have to be compared with each other and find out duplicates and count how many times they repeat. code1(code1_value1, code1_v...

Ruby: adding second element in array where first element is the same

[[1, 20],[2,30],[1,5],[4,5]] In ruby how does one go through this array and add the second element if the first is the same with and output such as: [[1, 25],[2,30],[4,5]] ...

Echoing variable construct instead of content

I'm merging two different versions of a translations array. The more recent version has a lot of changes, over several thousand lines of code. To do this, I loaded and evaluated the new file (which uses the same structure and key names), then loaded and evaluated the older version, overwriting the new untranslated values in the array wi...

PHP - How to SUM and GROUP BY a multidimensional ARRAY by a key?

I have a multidimensional array and am trying to group by a value of one the keys. So Array ( [0] => Array ( [name] => Edward Foo [desc_topic] => Array ( [0] => Apple [1] => Banana [2] => Orange ) [qt...

How to pass a multidimensional array to a function in C and C++

#include<stdio.h> void print(int *arr[], int s1, int s2) { int i, j; for(i = 0; i<s1; i++) for(j = 0; j<s2; j++) printf("%d, ", *((arr+i)+j)); } int main() { int a[4][4] = {{0}}; print(a,4,4); } This works in C, but not in C++. error: cannot convert `int (*)[4]' to `int**' for argument `1' to `vo...

Why do PHP Array Examples Leave a Trailing Comma?

I have seen examples like the following: $data = array( 'username' => $user->getUsername(), 'userpass' => $user->getPassword(), 'email' => $user->getEmail(), ); However, in practice I have always not left the trailing comma. Am I doing something wrong, or is this just 'another' way of doing it? If I was using a framework woul...

how can I get around no arrays as class constants in php?

I have a class with a static method. There is an array to check that a string argument passed is a member of a set. But, with the static method, I can't reference the class property in an uninstantiated class, nor can I have an array as a class constant. I suppose I could hard code the array in the static method, but then if I need to c...

Calling a method with an array value in PHP

I have a class like this class someclass{ public function somemethod(){} } Now I have an array: $somearray['someclass'] = new someclass(); $somearray['somemethod'] = 'somemethod'; How can I fire them, I tried the following: $somearray['someclass']->$somearray['somemethod'](); usign this I get the following error: Fatal er...

Java: most efficient way to defensively copy an int[]?

I have an interface DataSeries with a method int[] getRawData(); For various reasons (primarily because I'm using this with MATLAB, and MATLAB handles int[] well) I need to return an array rather than a List. I don't want my implementing classes to return the int[] array because it is mutable. What is the most efficient way to copy a...

Search object array for matching possible multiple values using different comparison operators

I have a function to search an array of objects for a matching value using the eq operator, like so: sub find { my ( $self, %params ) = @_; my @entries = @{ $self->{_entries} }; if ( $params{filename} ) { @entries = grep { $_->filename eq $params{filename} } @entries; } if ( $params{date} ) { @entrie...

"isnotnan" functionality in numpy, can this be more pythonic?

Hello Everybody, I need a function that returns non-NaN values from an array. Currently I am doing it this way: >>> a = np.array([np.nan, 1, 2]) >>> a array([ NaN, 1., 2.]) >>> np.invert(np.isnan(a)) array([False, True, True], dtype=bool) >>> a[np.invert(np.isnan(a))] array([ 1., 2.]) Python: 2.6.4 numpy: 1.3.0 Please share...

adding newly created dom elements to an empty jQuery object

Why doesn't this work in jQuery 1.4.2? var $list = $([]); for(var i=0; i<50; i++) { $list.add( $('<div/>', { id: 'jake', class: 'test' }).data('test', { hi: 'hello' }) ); } alert($list.size()); // 0 Thanks! ...

Array Intersect giving wrong output

Hi, I need to find common elements between two arrays. My code is: $sql="SELECT DISTINCT fk_paytbl_discounts_discountid as discountid from paytbl_discounts_students WHERE fk_vtiger_cf_601='".$categoryid."'"; $discountstudentinfo=$objdb->customQuery($sql,false); $sql1="SELECT DISTINCT fk_paytbl_discounts_discountid as discountid from p...

php multidimensional array problem

Hi to all, i am trying to setup a multidimensional array but my problem is that i can not get the right order from incoming data. Explain $x[1][11]=11; $x[1]=1; var_dump($x); In the above code i get only x[1]. To right would be $x[1]=1; $x[1][11]=11; var_dump($x); But in my case i can dot ensure that x[1] will come first, and ...