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• PHP mail script html formatting

  - by Jimbly2

  someone kindly posted this code for me but it only returns in the resulting email - any ideas? Does it need a closing html tag? $mailHeader .= "Content-type: text/html; charset=iso-8859-1\r\n"; $formcontent ="<table border='1'>"; foreach ($_POST as $field=>$value) { $formcontent.="<tr>"; $formcontent .= "<td>$field:</td> <td>$value</td>"; $formcontent.="</tr>"; } $formcontent .= '<tr><td>User-Agent: </td><td>'.$_SERVER['HTTP_USER_AGENT'].'</td>'; $formcontent ="</table>"; Thanks, JIm

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• Using locks inside a loop

  - by Xaqron

  // Member Variable private readonly object _syncLock = new object(); // Now inside a static method foreach (var lazyObject in plugins) { if ((string)lazyObject.Metadata["key"] = "something") { lock (_syncLock) { if (!lazyObject.IsValueCreated) lazyObject.value.DoSomething(); } return lazyObject.value; } } Here I need synchronized access per loop. There are many threads iterating this loop and based on the key they are looking for, a lazy instance is created and returned. lazyObject should not be created more that one time. Although Lazy class is for doing so and despite of the used lock, under high threading I have more than one instance created (I track this with a Interlocked.Increment on a volatile shared int and log it somewhere). The problem is I don't have access to definition of Lazy and MEF defines how the Lazy class create objects. My questions: 1) Why the lock doesn't work ? 2) Should I use an array of locks instead of one lock for performance improvement ?

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• output files from a second directory in same php function

  - by Turbodurso

  I have the following code to output images from directory im/, how can I tweak this to also output images from another diectory called out/ (for example)? As to echo another img tag under the current one? <?php $imgDir = "im/"; $images = scandir($imgDir); $ignore = array( ".", ".." ); natsort($images); foreach($images as $file) { if(!in_array($file, $ignore)) { echo "<div id=\"slideWrapper\">\n"; echo "<img src=\"im/$file\" width=\"1000\" height=\"683\" alt=\"$files\" />\n"; echo "</div>\n"; }; } ?>

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• Assembly 6800 Looping? Testing specific bits in a word.

  - by Jeremy

  Hi all, Trying to help a friend out with a friend out with some assembly code, but I've run into a small problem. I'm trying to work out how I would loop through a 8 bit binary word and check the value of specific bits. I need to check bits 1, 3, 5 & 7 to see if they are 1. i.e. int count = 1; int bitAdd = 0; foreach (var bit in word) { if (count = 1 || count = 3 || count = 5 || count = 7) { bitAdd += 1; } count += 1; } Help is much appreciated.

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• passing Perl method results as a reference

  - by arareko

  Some XML::LibXML methods return arrays instead of references to arrays. Instead of doing this: $self->process_items($xml->findnodes('items/item')); I want to do something like: $self->process_items(\$xml->findnodes('items/item')); So that in process_items() I can dereference the original array instead of creating a copy: sub process_items { my ($self, $items) = @_; foreach my $item (@$items) { # do something... } } I can always store the results of findnodes() into an array and then pass the array reference to my own method, but let's say I want to try a reduced version of my code. Is that the correct syntax for passing the method results or should I use something different? Thanks!

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• Unlink deleting more than just the files passed to it.

  - by RMcLeod

  I'm creating an SQL file, placing this file into a zip file with some images and then deleting the SQL file with unlink.Strange thing is it deletes the zip file as well. if (file_put_contents($sqlFileName, $sql) !== false) { $zip = new ZipArchive; if ($zip->open($workingDir . $now . '.zip', ZipArchive::CREATE) === true) { $zip->addFile($sqlFileName, basename($sqlFileName)); if(! empty($images)) { foreach ($images as $image) { $zip->addFile($imagesDir . $image, $image); } } } unlink($sqlFileName); }

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• Creating a custom format string in a dataGridView

  - by Andy

  I have a dataGridView whose dataSource is a dataTable. My problem is that I want certain columns to be displayed in Hex. I can get that far with using something like this: foreach (DataGridViewColumn c in grid.Columns) { if (DISPLAYED_IN_HEX.Contains(c.Name)) { c.DefaultCellStyle.Format = "X"; } } My issue though is that I want this hex value prepended with 0x so as not to confuse anyone that they are in hexidecimal form. The values in the dataTable are various integral types. I looked into creating a custom IFormatProvider, but I don't think my coding skills are up to that par yet. Any other possible solutions?

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• Scraping non-absolute URL

  - by cooldude

  I am trying to scrape www.weather.bm. I want all 10 radar images, but I can only get one (the image updates regularly) and it's not a absolute image url. I was hoping I could use the image as a image slideshow like the link but dont know how. Also, how can I remove images/Radarlegend.png? I just need the radar images. Here is my code: include('simple_html_dom.php'); $html = file_get_html('http://www.weather.bm/radarMobile.asp'); foreach($html->find('img') as $element) echo $element->src . '<br>' My output is: <div id="main"> images/Radar/CurrentRadarAnimation_100km_sri/100km_sri-radar-2011-01-04-1556.jpg<br>images/Radarlegend.png<br></div> </div>

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• Define 2D array with loops in php

  - by Michael

  I have an array $rows where each element is a row of 15 tab-delimited values. I want to explode $rows into a 2D array $rowData where each row is an array element and each tab-delimited value is assigned to a different array element. I've tried these two methods without success. I know the first one has a coding error but I do not know how to correct it. Any help would be amazing. for ($i=0; $i<count($rows); $i++){ for ($j=0; $j<15; $j++){ $rowData = array([$i] => array (explode(" ", $rows[$j]))); } } foreach ($rows as $value){ $rowData = array( array (explode(" ", $rows[$value]))); }

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• Not getting return value

  - by scottO

  I am trying to get a return value and it keeps giving me an error. I am trying to grab the "roleid" after the username has been validated by sending it the username-- I can't figure out what I am doing wrong? public string ValidateRole(string sUsername) { string matchstring = "SELECT roleid FROM tblUserRoles WHERE UserName='" + sUsername +"'"; SqlCommand cmd = new SqlCommand(matchstring); cmd.Connection = new SqlConnection("Data Source=(local);Initial Catalog="mydatabase";Integrated Security=True"); cmd.Connection.Open(); cmd.CommandType = CommandType.Text; SqlDataAdapter sda = new SqlDataAdapter(); DataTable dt = new DataTable(); sda.SelectCommand = cmd; sda.Fill(dt); string match; if (dt.Rows.Count > 0) { foreach (DataRow row in dt.Rows) { match = row["roleid"].ToString(); return match; } } else { match = "fail"; return match; } }

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• efficiently compare two BitArrays of the same length

  - by BobTurbo

  How would I do this? I am trying to count when both arrays have the same value of TRUE/1 at the same index. As you can see, my code has multiple bitarrays and is looping through each one and comparing them with a comparisonArray with another loop. It doesn't seem to be very efficient and I need it to be. foreach (bitArrayTuple in bitarryList) { for (int i = 0; i < arrayLength; i++) if (bArrayTuple.Item2[i] && comparisonArray[i]) bitArrayTuple.Item1++; } where Item1 is the count and Item2 is a bitarray.

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• Converting a PHP array to class variables.

  - by animuson

  Simple question, how do I convert an associative array to variables in a class? I know there is casting to do an (object) $myarray or whatever it is, but that will create a new stdClass and doesn't help me much. Are there any easy one or two line methods to make each $key => $value pair in my array into a $key = $value variable for my class? I don't find it very logical to use a foreach loop for this, I'd be better off just converting it to a stdClass and storing that in a variable, wouldn't I? class MyClass { var $myvar; // I want variables like this, so they can be references as $this->myvar function __construct($myarray) { // a function to put my array into variables } }

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• Why are my \n not working in PHP?

  - by Doug

  I'm playing with SAX and noticed it's not line breaking properly. I have no iea why. function flush_data() { global $level, $char_data; $char_data = trim($char_data); if( strlen( $char_data ) > 0 ) { print "\n"; $data = split("\n", wordwrap($char_data, 76 - ($level*2))); foreach($data as $line) { print str_repeat(' ', ($level +1)) . "[".$line."]"."\n"; } } $char_data = ''; }

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• LINQ Multiple LIKE based on List

  - by Bathan

  I have a list of keywords in an ArrayList and I wanted to be able to build a query to find records in a table based on this keywords. Since the list of keywords is dynamic I cannot build a fixed query here. if I do something like this: foreach (string kw in keywords) { query = query.Where(p => p.Name.StartsWith(kw)); } The "StartsWith" is required here because I need to search those records that actually start with the provided keyword. In T-SQL it Would be something like this Select * from Table where Name like 'keyword1%' or Name like 'keyword2%' or Name like 'keyword3%' or ... But I need to be able to do this in LINQ...Is this possible?

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• show count of only configurable products of current category

  - by hs19

  hello, i want to show count of only configurable products of current category on category page. for that I have written following code... <?php $cate = Mage::registry('current_category')->getName(); $total=0; $category = Mage::registry('current_category'); $products = $category->getProductCollection(); foreach ( $products as $_product ) if ($_product->isConfigurable()) { $total++; } echo $cate."(".$total.")"; ?> my problem is the code is showing the total count of configurable products of all child categories... can anyone help me with this?

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• How can I make a read-only ObservableCollection property?

  - by thrag

  I'd like to expose a property on a view model that contains a list of objects (from database). I need this collection to be read-only. That is, I want to prevent Add/Remove, etc. But allow the foreach and indexers to work. My intent is to declare a private field holding the editable collection and reference it with a read-only Public Property. As follows public ObservableCollection<foo> CollectionOfFoo { get { return _CollectionOfFoo; } } However, that syntax just prevents changing the reference to the collection. It doesn't prevent add/remove, etc. What is the right way to accomplish this?

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• Why do I get strange output from Perl using SQL?

  - by benjamin button

  Here is my Perl code: foreach my $line (@tmp_field_validation) { chomp $line; my ($cycle_code,$cycle_month,$cycle_year)= split /\s*\|\s*/, $line; $cycle_code=~ s/^\s*(.*)\s*$/$1/; $cycle_month=~ s/^\s*(.*)\s*$/$1/; $cycle_year=~ s/^\s*(.*)\s*$/$1/; print "$line\n"; print "$cycle_code|$cycle_month|$cycle_year"; } Here is the output: 1 10 2009 1 10 2009|| What's wrong over here? I expected the pipes to be between the variables. Why are the pipes getting printed after all the three variables?

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• C#: Basic Reflection Class

  - by Mike

  I'm trying to find a basic reflection abstract class that will generate basic information about a class. I have a template of how I would like it to work: class ThreeList<string,Type,T> { string Name {get; set;} Type Type {get; set;} T Value {get; set;} } abstract class Reflect<T> { List<ThreeList<string, Type, T> list; ReturnType MethodName() { foreach (System.Reflection.PropertyInfo prop in this.GetType().GetProperties()) { object value = prop.GetValue(this, new object[] { }); list.Add(prop.Name, prop.DeclaringType, value); } } } I'd like it to be infinitely deep, recursively calling Reflect. Something like this has to exist. I'm not really opposed to coding it myself, I just don't want to go through the hassle if its already been done.

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• Getting percentages.

  - by user287798

  Hi, i have got a standing answer in this thread. http://stackoverflow.com/questions/2396203/get-the-count-of-elements-where-candidate-has-won But i am failing to get the percentage, what am i doing wrong. I have the code below. var s4 = from can in allCandidates let noDists= ((from d in root.Elements("Provinces") select d.Attribute("Province").Value).Distinct()).Count() let count = (from winner in (from p in root.Descendants("Province_Data") let maxVotes = (from c in p.Elements("Candidate") select c) .Max(x => ((int)x.Element("votes"))) select (from c in p.Elements("Candidate") select c).Where(x => ((int)x.Element("votes")) == maxVotes) .First().Element("name").Value ) where winner == can select winner).Count() orderby count descending select new { Candidate = can, NumberOfProvincesWon = count,Percentage= (count/noDists)*100}; foreach (var d in s4) Console.WriteLine(" {0}", d.ToString());

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• Help me understand the code snippet in c#

  - by Benny

  I am reading this blog: Pipes and filters pattern I am confused by this code snippet: public class Pipeline<T> { private readonly List<IOperation<T>> operations = new List<IOperation<T>>(); public Pipeline<T> Register(IOperation<T> operation) { operations.Add(operation); return this; } public void Execute() { IEnumerable<T> current = new List<T>(); foreach (IOperation<T> operation in operations) { current = operation.Execute(current); } IEnumerator<T> enumerator = current.GetEnumerator(); while (enumerator.MoveNext()); } } what is the purpose of this statement: while (enumerator.MoveNext());? seems this code is a noop.

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• Count number of messages per user

  - by Pr0no

  Consider the following tables: users messages ----------------- ----------------------- user_id messages msg_id user_id content ----------------- ----------------------- 1 0 1 1 foo 2 0 2 1 bar 3 0 3 1 foobar 4 3 baz 5 3 bar I want to count the number of messages per user and insert the outcome into users.messages, like this: users ----------------- user_id messages ----------------- 1 3 2 0 3 2 I could use PHP to perform this operation, pseudo: foreach ($user_id in users) { $count = select count(msg_id) from messages where user_id = $user_id update users set messages = $count } But this is probably very inefficient as compared to one query executed in MySQL directly: UPDATE users SET messages = ( SELECT COUNT(msg_id) FROM messages ) But I'm sure this is not a proper query. Therefore, any help would be appreciated :-)

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• How to change a DateTime Format

  - by Carlo Adap

  List<DateTime> datetimerange = new List<DateTime>(); DateTime StartDate = Convert.ToDateTime(txtDate.Text); DateTime EndDate = Convert.ToDateTime(TextBox1.Text); foreach (DateTime day in EachDay(StartDate, EndDate)) { datetimerange.Add(day.Date); Session["SelectedDatess"] = datetimerange; } When I displays it to a list box the date looks like 8/28/2012 12:00:00 whereas I just want to display 8/28/2012. How can I change the format of the date to MM/dd/yyyy?

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• HttpSessionState Where, How, Advantages?

  - by blgnklc

  You see the code below, how I did use the session variable; So the three questions are; 1- Where are they stored? (Server or Client side) 2- Are they unique for each web page visitor? 3- Can I remove it using ajax or simple js code when my job is done with it? or it will be removed automatically..? sbyte[][] arrImages = svc.getImagesForFields(new String[] { "CustomerName", "CustomerSurName" }); Dictionary<string, byte[]> smartImageData = new Dictionary<string, byte[]>(); int i = 0; foreach (sbyte[] bytes in arrImages) { smartImageData.Add(fieldNames[i], ConvertToByte(bytes)); i++; } Session.Add("SmartImageData", smartImageData);

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• How to get an array of all controllers in a Codeigniter project ?

  - by ashmckenzie

  I'd like to obtain a list of all controllers in a Codeiginiter project so I can easily loop through each of them and add defined routes. I can't seem to find a method that will give me what I'm after ? Here is the code snippet from the routes.php file where I would like to access the array: - // I'd like $controllers to be dynamically populated by a method // $controllers = array('pages', 'users'); // Loop through each controller and add controller/action routes // foreach ($controllers as $controller) { $route[$controller] = $controller . '/index'; $route[$controller . '/(.+)'] = $controller . '/$1'; } // Any URL that doesn't have a / in it should be tried as an action against // the pages controller // $route['([^\/]+)$'] = 'pages/$1';

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• Find Group size in active directory

  - by Ilya Biryukov

  Hey I have the following code. I get a directory entry for a user (strpath). And then I get the groups where the user is listed. How can I get the number of users in each group? DirectoryEntry myDE = new System.DirectoryServices.DirectoryEntry(strpath); object obGroups = myDE.Invoke("Groups"); foreach (object ob in (IEnumerable)obGroups) { DirectoryEntry obGpEntry = new DirectoryEntry(ob); GroupsListBox.Items.Add(obGpEntry.Name ); }

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