How many elements are full in a C array
If you have an array in C, how can you find out how much of it is filled? ...
arrays
how to show unique array values in php
$content = '<h3>popular tags »</h3><hr>'; $result = $db->sql_query("SELECT tags FROM ".DOWNLOAD_TABLE." "); while($row = $db->sql_fetchrow($result)){ $dl_tags_id = $row['tags']; $dl_tags_id_ex = explode(" ",$dl_tags_id) ; $dl_tags_id = array_unique($dl_tags_id_ex); $c = count($dl_tags_id); for($i=1...
Multi-dimensional array formatting in Aptana / Eclipse
I'm using Aptana Studio, one issue I'm having with is formatting multi-dimensional arrays. I really want arrays in a tree-like structure, so arrays-within-arrays are shown with indents. Similar to a print_r wrapped in < pre > tags. I can set formatting preferences to put each element on a new line, but can't find how to indent array le...
How to get last key in an array?
How do you in a simple way get the last key of an array? ...
How to get the key of the current item of an array?
When navigating through array with next() and prev(), how could you get the current key the array is at? ...
PHP Foreach Loop Efficiency
Hi All, I am using a foreach loop within PHP similar to this: foreach ($class->getAttributes() as $attribute) { // Work } Concerning efficiency, is it better to have a $attributes = $class->getAttributes(); statement outside the foreach loop and iterate over the $attributes variable? Or is the $class->getAttributes() statement only g...
String array in C++ not working properly?
I'm working on a program for class that takes in a number from 0 to 9999, and spits out the word value (ie 13 would be spit out as "thirteen", etc) And I'm having a pain with the array for some reason. Here is the class so far: #include<iostream> #include<string> using namespace std; class Numbers { private: int number;...
Archive a NSMutableArray
I need to archive a NSMutableArray which is being controlled by an ArrayController. I tried this: [NSKeyedArchiver archivedDataWithRootObject:array]; But I got this error: *** -[NSKeyedArchiver dealloc]: warning: NSKeyedArchiver deallocated without having had -finishEncoding called on it. How may I solve that please? ...
C# How do I replace an item in a string array?
Hi all, Using C# how do I replace an item text in a string array if I don't know the position? My array is [berlin, london, paris] how do I replace paris with new york? Mnay thanks ...
Why would IndexOf be unavailable in my array? I'm targeting .Net 3.5
Hi, I have a straight forward string array, why would IndexOf be unavailable? I'm targeting .Net 3.5 Thanks ...
How is the PHP array implemented on the C level?
The PHP array is one of the language's core features IMHO. It is sparse, allows multi-typed keys in the same array, and supports set, dictionary, array, stack/queue and iterative functionality. BUT after working with PHP for a while now, I've found that quite a few of the array_* functions are much slower than you'd think at first glanc...
PHP to Javascript, array to array, object to object
I have a list of image paths in my PHP script that I would like to pass to javascript whitout rendering them in the HTML page. I mean, I don't want people go fishing for the path's when do do a > view HTML source. <?php $images_str = "some/dir/001.jpg|*|some/dir/002.jpg|*|some/dir/003.jpg"; $images_arr = array('some/dir/001.jpg'...
ASP.NET MVC - Custom model binder able to process arrays
I need to implement a functionality to allow users to enter price in any form, i.e. to allow 10 USD, 10$, $10,... as input. I would like to solve this by implementing a custom model binder for Price class. class Price { decimal Value; int ID; } The form contains an array or Prices as keys keys: "Prices[0].Value" "Prices[0].ID" "Pr...
Random number generator in C# - unique values
I'm busy in C# with coding an array. I can fill it up with random generators but now is my question how do i do this but so that i can check if the value is already in the array and if so generate an new value Extra info: Max value : 100 Number of elements : 100 IMPORTANT PLZ WORK FURTHER ON MY IDEA my idea public void FillArray(in...
ArrayLists and indexers in Java
Is it possible to do this in Java? Maybe I'm using the wrong syntax? ArrayList<Integer> iAL = new ArrayList<Integer>(); iAL.addAll(Arrays.asList(new Integer[] {1, 2, 3, 4, 5 })); for (int i = 0; i < iAL.size(); ++i) { System.out.println(iAL[i]); //<-------- HERE IS THE PROBLEM } Also, is it possible to do something like iAL.addA...
How to master in-place array modification algorithms?
I am preparing for a software job interview, and I have trouble with in-place array modifications. For example, in the out-shuffle problem you interleave two halves of an array, so that 1 2 3 4 5 6 7 8 would become 1 5 2 6 3 7 4 8. This question asks for a constant-memory solution (and linear-time, although I'm not sure that's even possi...
What does @_ -1 mean in Perl?
I'm trying to translate a Perl script to PHP and I'm having trouble with some Perl things. For instance, what does @_ -1 mean? And how do I write it in PHP? The whole function is as follows: sub variance { my $sum = sum_squares (@_); my $deg = @_ - 1; return $sum/$deg; } ...
unset range of keys in an array
How can i unset a range of keys between say 70 to 80 in an array like this? [63] => Computer Science and Informatics [64] => Dentistry [65] => Development Studies [66] => Drama, Dance and Performing Arts [67] => Earth Systems and Environmental Sciences [68] => Economics and Econometrics [69] => Education [70] => Electrical and Electroni...
Java - How do you read binary objects into an object array without knowing the size?
Java - How do you read binary objects into an object array without knowing the size beforehand? For example, I don't know how many "clients" are within a binary file so how do I read them into an array without knowing the size beforehand? I know I could probably use vector but I have to use an array. ...
How to read back a CUDA Texture for testing?
Ok, so far, I can create an array on the host computer (of type float), and copy it to the gpu, then bring it back to the host as another array (to test if the copy was successful by comparing to the original). I then create a CUDA array from the array on the GPU. Then I bind that array to a CUDA texture. I now want to read that text...