foreach

for-each: get every 3rd item (split into 3 columns)

I have the following nodes in xsl: <foo> <bar>1</bar> <bar>2</bar> <bar>3</bar> <bar>4</bar> <bar>5</bar> <bar>6</bar> <bar>7</bar> <bar>8</bar> <bar>9</bar> </foo> And would like to turn it into the following html: <ul class="one"> <li>1</li> <li>4</li> ...

Is there something better than a For loop in Java for iterating neatly through a collection?

I've been spoiled by C# with the Foreach. Is there something like this for Java? ...

nested foreach with iterator interface

<? foreach ($this->criteria as $key => $value): ?> <li><?= $this->accommodationsLink($this->criteria, $key) ?></li> <? endforeach ?> This code give unexpected results, because only one link is visible. But there are two items in $this->criteria. I explored the cause of the probleem. In the function accommodationsLink is another foreac...

PHP stop foreach()

There is a variable $posts, which gives an array with many values. foreach() is used for output: foreach($posts as $post) { ... } How to show only five first values from $posts? Like, if we have 100 values, it should give just five. Thanks. ...

How do I create an elegant for_each() in C++ inside a member function where the operating function is another member function in the same class?

Here is what I'm trying to do: //ImageCache.h: #include <map> #include <SDL.h> typedef pair<const wchar_t*, SDL_Surface*> ImageNameAndSurface; class ImageCache { // Functions public: ImageCache(); ~ImageCache(); SDL_Surface* getImage(const wchar_t* imageFilename); // Variables private: map<const ...

PHP check values

We have 2 variables, $id and $title. And a form field for a new $title variable: foreach ($ids as $id) { $id_title = $title; ?> <input name="new_<?php echo $id; ?>_title" value="<?php echo $id_title; ?>" /> <?php } ?> How to check, is $id_title has been changed in the form, and do something if it is. Like: if ($id_title != ...

How to get key values with foreach?

The Problem: Hi! I'm making a file upload form where I can upload photos, I added multiple="" to the input and for the name="upload_photo[]" so I'm able to upload multiple files. When I print $_FILES['upload_photo'] I get this and I want to get the values of each key with foreach. So for example I want to get just [name] what will be...

Performance of FOR vs FOREACH in PHP

First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and... The information currently available on them on the net is confusing. A lot of people say foreach is bad, but technically it should be faster since it's suppose to simpl...

java for each loop

How is Java's for loop code generated by compiler? For example , if I have: for(String s : getStringArray() ) { //do something with s } where getStringArray() is a function that returns the Array I want to loop on, would function be called always or only once ? How optimal is code for looping using this construct is , in general...

[zsh] add string at beginning of each array entry

For example, I have a=(1 2 3) and I want to get a=(foo1 foo2 foo3). What would be an easy/clean way to get that? ...

Adding nodes to LinkedList<T> in foreach

Can I safely add nodes to LinkedList container inside foreach statement? Is there any difference if I used while loop? Or it is never allowed and can cause some problems? foreach(var node in myList) { if(condition) myList.AddLast(new MyNode()); } Will it always work? ...

PHP foreach($_POST as $key => $value) windows server 2003 IIS 6 problem

In my database connection include I use the code foreach ($_POST as $key => $value) { $_POST[$key] = mysql_real_escape_string($value); } foreach ($_GET as $key => $value) { $_GET[$key] = mysql_real_escape_string($value); } This runs fine on my linux testing server (Cent OS 5.5) however, when it is transferred to the productio...

Cannot get PropertyInfo.SetValue() to set the value on my object.

I've simplified the code below down to a basic example, but I still cannot get the value to set. When performing the propertyInfo.SetValue(), it will hit a breakpoint on the setter of my Contact object and the value is set correctly in the 'setter.' However, after the SetValue() has executed, the string properties on my projectContact....

What do the comment characters in MDC's forEach do?

JavaScript in modern browsers includes the Array.forEach method that lets you write this: [1,2,3].foreach(function(num){ alert(num); }); // alerts 1, then 2, then 3 For browsers that don't have Array.forEach on the Array prototype, MDC provides an implementation that does the same thing: if (!Array.prototype.forEach) { Array.protot...

Question about foreach

$values = array(...); foreach($values as $value) { // do something } How to run each $value after finishing the previous? Thanks. ...

$_POST multidemensional array looping

Hello! So I've created a form wich, by the post function, send me several values. $_POST[groups] sends me, using 4 different checkboxes values 1, 2, 4 and 8. $_POST[retailgroup] does the same, but only the values 1, 2 and 4. The problem is that I want these to add up together and then send the sum of the values to a MySQL table. I've man...

foreach problem in PHP

Hi, I have a array like i.e its $_FILES in am printing. Array ( [ANTI-HAV__TOTAL] => Array ( [name] => Array ( [0] => Firefox_wallpaper1.png [1] => Firefox_wallpaper2.png ) [type] => Array ( [0] => image/png [1] => image/png ) [tmp_name] => Array ( [0] => /tmp/phpr92AvZ [1] => /tmp/phpxmzia3 ) [error] => Array ( [0] => 0 [1] => 0 )...

array_key_exists in a foreach

Hi There I am running this code currently, <?php foreach($search_results as $rslt) : ?> <? $code = $rslt['code']; if(array_key_exists($code, $short_list)) { $set = "set"; } ?> <div class="row <? echo $set;?>"></div> What I am trying to achieve is that if the array equals the $rslt['code'] then give the...

How does foreach cast without explicit/implicit overrides?

So I'm just learning C#, and came across something that I find odd... I'm playing with delegates and have creates a delegate DelegateReturnsInt. Now, When I use a foreach loop, the book shows to use it like this: foreach(DelegateReturnsInt del in theDelegate.getInvocationList()) now I know that getInvocationList() returns an Array of ...

Problem with Linq re-evaluation, skips content.

Now I'm not really sure what the problem here is but it seems that Linq quaries are re-evaluated each iteration wich is a effect I wan't here. However for some reason he skips elements he shouldn't when he does so. Can someone help me understand what's going on here. Here is the Linq-to-XML code: var contents = (from sdt in document.Ma...