Hi, if i filter an array with array_filter to eliminate null values, keys are preserved and this generated "holes" in the array. Eg: The filtered version of [0] => 'foo' [1] => null [2] => 'bar' is [0] => 'foo' [2] => 'bar' How can i get, instead [0] => 'foo' [1] => 'bar' ? Thanks ...
Since I'm pretty new this question'll certainly sound stupid but I have no idea about how to approach this. I'm trying take a list of nodes and for each of the nodes I want to create an array of predecessors and successors in the ordered array of all nodes. Currently my code looks like this: nodes = self.peers.keys() nodes.sor...
Hi, I'm writing a program that calculates the Jacobi algorithm. It's written in Objective-C since it runs on a Mac, but the majority is written in standard C. I'm using a two-dimensional C array and an NSArray containing 5 NSTextField labels. The following code yields an EXC_BAD_ACCESS error: for ( int i = 0; i < 5; i++ ) { NSStr...
I need to know if any JSON implementations can handle sparse arrays to my satisfaction. I've seen the question: http://stackoverflow.com/questions/1733658/how-to-represent-a-sparse-array-in-json but using an object rather than an array is not an option for me; I need an array. My minimum requirement would be that the implementation f...
How to get the most common value in an Int array using C# eg: Array has the following values: 1, 1, 1, 2 Ans should be 1 ...
Okay. Now I give up. I have been playing with this for hours. I have a variable name $data. The variable contains these contents: (extracted by using var_export()) array ( 'headers' => array ( 'content-type' => 'multipart/alternative; boundary="_689e1a7d-7a0a-442a-bd6c-a1fb1dc2993e_"', ), 'ctype_parameters' => array ( ...
Hi, I'm not sure how I would do this in Javascript. I want to create an array that would contain any number of error messages from my form. I read on websites that you define the key for that array when adding new entries. // Javascript var messages = new Array(); messages[0] = 'Message 1'; How can I add entries into my array using ...
$ values=( 300 400 ) $ echo "scale=20; $values[1]-$values[2]" | bc (standard_in) 1: illegal character: ^M // Why does it not print -100? $ echo $values // no ^M sign found! 300 400 [Update] Why is 5E 4d 0a, ie ^M, 13th char in ASCII? Why is the ending sign 0a shown as .? . is 2E in DEC. Hex nu...
I have created an array thusly: import numpy as np data = np.zeros( (512,512,3), dtype=np.uint8) data[256,256] = [255,0,0] What I want this to do is display a single red dot in the center of a 512x512 image. (At least to begin with... I think I can figure out the rest from there) ...
I have an array called $times. It is a list of small numbers (15,14,11,9,3,2). These will be user submitted and are supposed to be minutes. As PHP time works on seconds, I would like to multiply each element of my array by 60. I've been playing around with array_walk and array_map but I can't get those working :S Thanks. ...
I have a simple 2D array: int[,] m = {{0,0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0} }; How can I print this out onto a text file or something? I want to print the entire array onto a file, not just the contents. For example, I don't want a bunch of zeroes all in a row: I want to see the {{0,0,0...
I have created an array Man: public main blah blah{ man = man[10]; } Man has fields such as Man.name; Man.age; ... In Man class, there is a OnClick method that opens a new window showing its name and age. public Man(){ Onclick(){ InfoWindow showinfo = new InfoWindow(this.getid()) // If this is Man[2] the id would...
In PHP, what's the best way to copy an array and keep the keys with empty values? array1 = array("apple" => "green", "banana" => "yellow); I want to copy array1 to array2 and keep only the keys... array2 = array("apple" => "", "banana" => ""); ...
Hello, I'm looking for solution to extract some node from large xml file (using xmlstarlet http://xmlstar.sourceforge.net/) and then parse this node to php array. elements.xml <?xml version="1.0"?> <elements> <element id="1" par1="val1_1" par2="val1_2" par3="val1_3"> <title>element 1 title</title> <description>element 1 des...
I'm writing an app in Visual Studio C++ and I have problem with assigning values to the elements of the array, which is array of elements of structure type. Compiler is reporting syntax error for the assigning part of the code. Is it possible in anyway to assign elements of array which are of structure type? typedef struct { CString...
I have a form with image thumbnails to select with checkboxes for downloading. I want an array with the images in jQuery for an Ajax call. 2 questions: - On the top of the table there is a checkbox to toggle all checkboxes that I want to exclude from the mapping. I had a look at jQuery's .not() but I can't implement it with the :checkbo...
I am a little confused about the usage of cells and arrays in MATLAB and would like some clarification on a few points. Here are my observations: An array can dynamically adjust its own memory to allow for a dynamic number of elements, while cells seem to not act in the same way: a=[]; a=[a 1]; b={}; b={b 1}; Several elements can be ...
hi there, I have an array structure that looks like this: Array ( [0] => Array ( [type] => image [data] => Array ( [id] => 1 [alias] => test [caption] => no caption [width] => 200 [...
foreach($scraperSites as $site) { //$scraperWriter->addSite( new ScraperSite($site) ); print_r($site); } scraperSites is the array of all sites from the mySQL database; I'm trying to keep $site as an array, (but only with one row worth of data), add it to an object, then move on to the next row. ...
If I have a 4x4 gameboard which I'm representing in my program as a 1d integer array of size 16. How can I get the indexs of the squares above, below, to the left and to the right any given index? So, for example: A = { 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 } Which represents this board 0 1 2 3 4 5 6 7 8 9 10 11 ...