foreach

Transforming a sequence of tags using XSL

I'm kind of new to using XSL. I'm trying to convert an XML file into another XML file with a different structure using XSL. The input section of the XML goes like this: <tag> <Keyword>Event: Some Text</Keyword> <Keyword>Group: Some Text</Keyword> <Keyword>Other: Some Text</Keyword> </tag> I would like the desired output to...

Why can't for_each modify its functor argument?

http://www.cplusplus.com/reference/algorithm/for_each/ Unary function taking an element in the range as argument. This can either be a pointer to a function or an object whose class overloads operator(). Its return value, if any, is ignored. According to this article, I expected that for_each actually modifies the objec...

Is it possible to use boost::foreach with std::map?

Hi, I find boost::foreach very useful as it saves me a lot of writing. For example, let's say I want to print all the elements in a list: std::list<int> numbers = { 1, 2, 3, 4 }; for (std::list<int>::iterator i = numbers.begin(); i != numbers.end(); ++i) cout << *i << " "; boost::foreach makes the code above much simplier: std::li...

PHP loop inside Javascript at header - is this code valid at all?

Hello Dear StackOverflowers, I am new to web programming and finding the server-client mixture confusing. I have written very simple code which accepts a PHP 2D array [index][keys] (from a query) to just draw markers on a Google map (JavaScript). It works. But it doesn't look right to me! Is this indeed the correct way to pass the val...

PHP Loop do some once the loop as finished

I have this PHP loop, foreach($returnedContent as $k => $v) { $imageName = str_replace($replaceData, "", $v['contentImageName']); echo "<a class='contentLink' href='".base_url()."welcome/getFullContent/$v[contentId]'>"; echo "<img src='/media/uploads/".strtolower($v['categoryTitle'])."/".$imageName."_thumb.png' alt='$v[cont...

foreach on unknown type

I need to be able to loop around an unknown type for example foreach (var test in viewData["foobar"]) { } Any suggestions ...

Which is more efficient, a for-each loop, or an iterator?

Which is the most efficient way to traverse a collection? List<Integer> a = new ArrayList<Integer>(); for (Integer integer : a) { integer.toString(); } or List<Integer> a = new ArrayList<Integer>(); for (Iterator iterator = a.iterator(); iterator.hasNext();) { Integer integer = (Integer) iterator.next(); integer.toString();...

LINQ method for adding items to a dictionary

I'm trying to learn a bit more about LINQ by implementing Peter Norvig's spelling corrector in C#. The first part involves taking a large file of words (about 1 million) and putting it into a dictionary where the key is the word and the value is the number of occurrences. I'd normally do this like so: foreach (var word in allWords) ...

Jquery loop after click

Hi, I'm using Jquery to submit a form. I want to loop through the form after the user clicks on a submit button to get the select option. There are many different select fields. The select options are generated using PHP. A sample of the HTML: <select id="selectHome_1"> <option></option> </select> <select id="selectHome_2"> <optio...

Using var in XPath expression inside c:foreach

Hi all, this is my first question here, so please be gentle ;) I'm trying to loop through a list of items, and use the value of each item in an XPath expression: Works: <c:forEach var="item" items="${items}"> <x:out select="$some_xml//results[@attr1='some_val']/@attr" /> </c:forEach> Fails: <c:forEach v...

foreach in class: I cannot return all the ele in arr.

Hello, Well, I keep improving my form generation classes and stuck in returning all the country elements in country_data array. Only first two elements is displaying on dropdown options. Here is dropdown class: //drop down form class class DropDown { function __construct ($form, $field_label, $field_name, $field_desc, $dropdown_da...

Iterate through XML nodes that have xmlns attribute declared in a XSL.

I am working on creating an XSL to format some incoming XML from an API I am integrating. The xml I receive looks like: <items> <item xmlns="http://www.tempuri.org/Item.xsd"&gt; <key>value</key> </item> <item> <key>value</key> </item> <item xmlns="http://www.tempuri.org/Item.xsd"&gt; <key>value</key> </item> </i...

C# better to initialize list then loop over it, or just initialize in loop condition?

I end up with a lot of code like this: List<string> dates = someMethodCall(); foreach (string dateStr in dates) { } I usually declare the object over which I'm iterating and then use it in the foreach condition out of worry that someMethodCall() would happen for each iteration of the loop. Is this the case? I would prefer to do this...

C# inherit from Dictionary, iterate over KeyValuePairs

I have a class that inherits from Dictionary<string, string>. Within an instance method, I want to iterate over all KeyValuePair<string, string>'s. I've tried doing the following: foreach (KeyValuePair<string, string> pair in base) But this fails with the following error: Use of keyword 'base' is not valid in this context How ...

jQuery css to multiple elements?

I need to apply this script to work the same way for two other divs: This works well, but how can I make it do the same thing for two other elements without rewriting the entire thing for each? $(".survey_option li > a").each().live('click', function (event) { // First disable the normal link click event.preventDefault(); /...

Monitoring Progress/Debugging Parallel R Scripts

Among the choices I have for quickly parallelizing simple code (snowfall, foreach, and so on), what are my options for showing the progress of all the slave processes? Do any of the offerings excel in this regard? I've seen that snowfall 1.70 has sfCat(), but it doesn't seem to cat output to the master R session. ...

Checking the value of all a loops value

Hi there, I have this loop in PHP that echoes out a table of results, <table cellspacing="0" cellpadding="3"> <tr> <td><b>Content Image Title</b></td> <td><b>Content Image Type</b></td> <td><b>Headline Image</b></td> <td><b>Content Image Belongs To</b></td> <td><b>Date Created</b></td> <!--<td><b>Uploaded By</...

Creating 2D-array from array with foreach-loops.

Hi, sorry for the vague title. I'm extracting some data from a table with the setup as specified below, using simple_html_dom. What I want to do is insert the data into a 2D-array (?), where the value of the first -field is the name of a subscription and the rest is data relevant to that subscription. <td><a href="/subname/index.jsp">Su...

C#: Cannot assign to foreach iteration variable

I'm trying to condense this by wrapping it in a loop: if (pos.X + pixelRadius < 0) { pos.X = bounds.Width - pixelRadius; } else if (pos.X + pixelRadius > bounds.Width) { pos.X = pixelRadius; } if (pos.Y + pixelRadius < 0) { pos.Y = bounds.Heigh - pixelRadius; } ...

How do I echo the session name in a foreach loop in PHP?

I am looping through my session variables. I have been able to echo the session values, but I would also like to echo the session name that corresponds with that value. How do I echo out the session variable name each time it loops? This is the code I currently have: foreach($_SESSION as $value) { echo 'Current session variable i...