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  • ZIP Numerous Blob Files

    - by Michael
    I have a database table that contains numerous PDF blob files. I am attempting to combine all of the files into a single ZIP file that I can download and then print. Please help! <?php include 'config.php'; include 'connect.php'; $session= $_GET[session]; $query = " SELECT $tbl_uploads.username, $tbl_uploads.description, $tbl_uploads.type, $tbl_uploads.size, $tbl_uploads.content, $tbl_members.session FROM $tbl_uploads LEFT JOIN $tbl_members ON $tbl_uploads.username = $tbl_members.username WHERE $tbl_members.session= '$session'"; $result = mysql_query($query) or die('Error, query failed'); while(list($username, $description, $type, $size, $content) = mysql_fetch_array($result)) { header("Content-length: $size"); header("Content-type: $type"); header("Content-Disposition: inline; filename=$username-$description.pdf"); echo $content; } $files = array('File 1 from database', 'File 2 from database'); $zip = new ZipArchive; $zip->open('file.zip', ZipArchive::CREATE); foreach ($files as $file) { $zip->addFile($file); } $zip->close(); header('Content-Type: application/zip'); header('Content-disposition: attachment; filename=filename.zip'); header('Content-Length: ' . filesize($zipfilename)); readfile($zipname); mysql_close($link); exit; ?>

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  • PHP IP Validation Help

    - by Zubair1
    Hello, I am using this IP Validation Function that i came across while browsing, it has been working well until today i ran into a problem. For some reason the function won't validate this IP as valid: 203.81.192.26 I'm not too great with regular expressions, so would appreciate any help on what could be wrong. If you have another function, i would appreciate if you could post that for me. |--------------------------------------------| The code for the function is below: |--------------------------------------------| public static function validateIpAddress($ip_addr) { global $errors; $preg = '#^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}' . '(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$#'; if(preg_match($preg, $ip_addr)) { //now all the intger values are separated $parts = explode(".", $ip_addr); //now we need to check each part can range from 0-255 foreach($parts as $ip_parts) { if(intval($ip_parts) > 255 || intval($ip_parts) < 0) { $errors[] = "ip address is not valid."; return false; } return true; } return true; } else { $errors[] = "please double check the ip address."; return false; } }

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  • How can I make this method more Scalalicious

    - by Neil Chambers
    I have a function that calculates the left and right node values for some collection of treeNodes given a simple node.id, node.parentId association. It's very simple and works well enough...but, well, I am wondering if there is a more idiomatic approach. Specifically is there a way to track the left/right values without using some externally tracked value but still keep the tasty recursion. /* * A tree node */ case class TreeNode(val id:String, val parentId: String){ var left: Int = 0 var right: Int = 0 } /* * a method to compute the left/right node values */ def walktree(node: TreeNode) = { /* * increment state for the inner function */ var c = 0 /* * A method to set the increment state */ def increment = { c+=1; c } // poo /* * the tasty inner method * treeNodes is a List[TreeNode] */ def walk(node: TreeNode): Unit = { node.left = increment /* * recurse on all direct descendants */ treeNodes filter( _.parentId == node.id) foreach (walk(_)) node.right = increment } walk(node) } walktree(someRootNode) Edit - The list of nodes is taken from a database. Pulling the nodes into a proper tree would take too much time. I am pulling a flat list into memory and all I have is an association via node id's as pertains to parents and children. Adding left/right node values allows me to get a snapshop of all children (and childrens children) with a single SQL query. The calculation needs to run very quickly in order to maintain data integrity should parent-child associations change (which they do very frequently). In addition to using the awesome Scala collections I've also boosted speed by using parallel processing for some pre/post filtering on the tree nodes. I wanted to find a more idiomatic way of tracking the left/right node values. After looking at the answers listed I have settled on this synthesised version: def walktree(node: TreeNode) = { def walk(node: TreeNode, counter: Int): Int = { node.left = counter node.right = treeNodes .filter( _.parentId == node.id) .foldLeft(counter+1) { (counter, curnode) => walk(curnode, counter) + 1 } node.right } walk(node,1) }

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  • jquery pagination plugin problem

    - by John the horn
    I am using a pagination plugin called "pagination". Here is the script that is initialized : function pageselectCallback(page_index, jq){ var new_content = jQuery('#hiddenresult div.result:eq('+page_index+')').clone(); $('#Searchresult').empty().append(new_content); return false; } /** * Initialisation function for pagination */ function initPagination() { // count entries inside the hidden content var num_entries = jQuery('#hiddenresult div.result').length; // Create content inside pagination element $("#Pagination").pagination(num_entries, { callback: pageselectCallback, items_per_page:1 // Show only one item per page }); } // When document is ready, initialize pagination $(document).ready(function(){ initPagination(); }); and I am using this script for accordation on the page : <script type="text/javascript"> $(document).ready(function(){ $('#content').show(); $('#content1').hide(); $('#content2').hide(); $('#content3').hide(); $('#content4').hide(); $('#content5').hide(); $('a.bucatarii_serie').click(function(){ $("div[id^='content']").hide(); $('#content').toggle('slow'); }); $('a.livinguri_serie').click(function(){ $("div[id^='content']").hide(); $('#content1').toggle('slow'); }); $('a.dormitoare_serie').click(function(){ $("div[id^='content']").hide(); $('#content2').toggle('slow'); }); $('a.tratamente').click(function(){ $("div[id^='content']").hide(); $('#content3').toggle('slow'); }); $('a.chirurgie').click(function(){ $("div[id^='content']").hide(); $('#content4').toggle('slow'); }); $('a.frizerie').click(function(){ $("div[id^='content']").hide(); $('#content5').toggle('slow'); }); }); </script> My problem is that I don't know how to implement multiple paginations on the same page in diferent containers but in a bigger container.

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  • mysql to excel generation using php

    - by pmms
    <?php // DB Connection here mysql_connect("localhost","root",""); mysql_select_db("hitnrunf_db"); $select = "SELECT * FROM jos_users "; $export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) ); $fields = mysql_num_fields ( $export ); for ( $i = 0; $i < $fields; $i++ ) { $header .= mysql_field_name( $export , $i ) . "\t"; } while( $row = mysql_fetch_row( $export ) ) { $line = ''; foreach( $row as $value ) { if ( ( !isset( $value ) ) || ( $value == "" ) ) { $value = "\t"; } else { $value = str_replace( '"' , '""' , $value ); $value = '"' . $value . '"' . "\t"; } $line .= $value; } $data .= trim( $line ) . "\n"; } $data = str_replace( "\r" , "" , $data ); if ( $data == "" ) { $data = "\n(0) Records Found!\n"; } header("Content-type: application/octet-stream"); header("Content-Disposition: attachment; filename=your_desired_name.xls"); header("Pragma: no-cache"); header("Expires: 0"); print "$header\n$data"; ?> The code above is used for generating an Excel spreadsheet from a MySQL database, but we are getting following error: The file you are trying to open, 'users.xls', is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now? What is the problem and how do we fix it?

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  • Quick MEF + SL4 question

    - by Tom Allen
    I'm working on an app in the Silverlight 4 RC and i'm taking the oppertunity to learn MEF for handling plugin controls. I've got it working in a pretty basic manor, but it's not exactly tidy and I know there is a better way of importing multiple xap's. Essentially, in the App.xaml of my host app, I've got the following telling MEF to load my xap's: AggregateCatalog catalog = new AggregateCatalog(); DeploymentCatalog c1 = new DeploymentCatalog(new Uri("TestPlugInA.xap", UriKind.Relative)); DeploymentCatalog c2 = new DeploymentCatalog(new Uri("TestPlugInB.xap", UriKind.Relative)); catalog.Catalogs.Add(c1); catalog.Catalogs.Add(c2); CompositionHost.Initialize(catalog); c1.DownloadAsync(); c2.DownloadAsync(); I'm sure I'm not using the AggregateCatalog fully here and I need to be able to load any xap's that might be in the directory, not just hardcoding Uri's obviously.... Also, in the MainPage.xaml.cs in the host I have the following collection which MEF puts the plugin's into: [ImportMany(AllowRecomposition = true)] public ObservableCollection<IPlugInApp> PlugIns { get; set; } Again, this works, but I'm pretty sure I'm using ImportMany incorrectly.... Finally, the MainPage.xaml.cs file implements IPartImportsSatisfiedNotification and I have the following for handling the plugin's once loaded: public void OnImportsSatisfied() { sp.Children.Clear(); foreach (IPlugInApp plugIn in PlugIns) { if (plugIn != null) sp.Children.Add(plugIn.GetUserControl()); } } This works, but it seems filthy that it runs n times (n being the number of xap's to load). I'm having to call sp.Children.Clear() as if I don't, when loading the 2 plugin's, my stack panel is populated as follows: TestPlugIn A TestPlugIn A TestPlugIn B I'm clearly missing something here. Can anyone point out what I should be doing? Thanks!

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  • How can I export an array from Dynamics AX 2009 via c#?

    - by Steve Homer
    I'm pulling data from Dynamics AX 2009 from c# using the following code snippet. This works fine, except for those cases where the underlying field type is a dimension. I want to be able to "flatten" array types when I return them but can't see any way to do this. Any ideas anyone? axRecord = ax.CreateAxaptaRecord(tableName); axRecord.ExecuteStmt(strQuery); // Loop through the set of retrieved records. using (StreamWriter sw = File.CreateText(path)) { AxaptaObject axDictTable = ax.CreateAxaptaObject("SysDictTable",axRecord.get_Field("tableid")); outputRow = null; List<int> ids = new List<int>(); for (int i = 1; i <= (int)axDictTable.Call("fieldCnt"); i++) { AxaptaObject axDictField = ax.CreateAxaptaObject("DictField", axRecord.get_Field("tableid"), axDictTable.Call("fieldCnt2ID", i)); outputRow += ((string)axDictField.Call("Name")) + ","; ids.Add((int)axDictTable.Call("fieldCnt2ID", i)); } sw.WriteLine(outputRow); while (axRecord.Found) { outputRow = null; foreach(int i in ids) outputRow += axRecord.get_Field(i).ToString().Replace(",", "") + ","; sw.WriteLine(outputRow); axRecord.Next(); } }

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  • Form not sending full data

    - by gAMBOOKa
    I have a form with over 50 input fields. The input fields are divided into 5 jquery jabs within the form container. Here's a sample of what it looks like: <form action="admin/save" method="post" enctype="multipart/form-data"> <input type="hidden" name="type" value="department" /> <input type="hidden" name="id" value="21" /> <div id="tabs"> <ul> <li><a href="#tab-1">Tab 1</a><li> <li><a href="#tab-2">Tab 2</a><li> <li><a href="#tab-3">Tab 3</a><li> </ul> <div id="tab-1"> <label>Name</label> <input type="text" name="user-name" /> </div> <div id="tab-2"> <label>Address</label> <input type="text" name="user-address" /> </div> <div id="tab-3"> <label>Phone</label> <input type="text" name="user-phone" /> </div> </div> <input type="submit" value="Send" /> </form> I'm using PHP's Kohana framework, so admin maps to a controller, and save maps to the method action_save. When I output the $_POST variables in action_save, only 'type' and 'id' show up, all the other fields don't seem to submit their data. What could I be doing wrong?

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  • Sending items in a LINQ sequence to a method that returns void

    - by generalt
    Hello all. Often while I'm dealing with LINQ sequences, I want to send each item to a method returning void, avoiding a foreach loop. However, I haven't found an elegant way to do this. Today, I wrote the following code: private StreamWriter _sw; private void streamToFile(List<ErrorEntry> errors) { if (_sw == null) { _sw = new StreamWriter(Path.Combine (Path.GetDirectoryName(_targetDatabasePath), "errors.txt")); } Func<ErrorEntry, bool> writeSelector = (e) => { _sw.WriteLine(getTabDelimititedLine(e)); return true; }; errors.Select(writeSelector); _sw.Flush(); } As you can see, I write a lambda function that just returns true, and I realize that the Select method will return a sequence of booleans- I'll just ignore that sequence. However, this seems a little bit noobish and jank. Is there any elegant way to do this? Or am I just misapplying LINQ? Thanks.

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  • HighCharts : Can I customize the colors of individual series?

    - by user1091114
    I am using HighCharts for a line graph and i am attemping to change the line color for each series. I did find this example here but the data is hard coded. My data is pulled from an Sql database and passed to the HTML page using some VB code. var chart; $(document).ready(function () { chart = new Highcharts.Chart({ chart: { renderTo: 'container', defaultSeriesType: 'column' }, title: { text: 'Chart Title' }, subtitle: { text: 'Chart subtitle' }, xAxis: { categories: [<%= GraphDate %>] , labels: { rotation: -45, align: 'right', style: { } } }, yAxis: { min: 160, title: { text: 'Temp' } }, legend: { layout: 'vertical', backgroundColor: '#FFFFFF', align: 'left', verticalAlign: 'top', x: 400, y: 0, floating: true, shadow: true }, tooltip: { formatter: function () { return '' + this.x + ': ' + this.y + ' ºC'; } }, plotOptions: { column: { pointPadding: 0.2, borderWidth: 0 } }, series: [<%= GraphSeries %>], }); I tried to style it using the other post however it failed to generate a chart. The main problem is though, the line graph has two series, so the below method would set the color for both series i assume? So, would i maybe need to format the series in my vb code somehow? series: [{ color: 'yellow', data: [ [<%= GraphSeries %>] ]},

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  • Installing RestEasy documentation is not clear--does maven install resteasy?

    - by user798719
    3.1. Standalone Resteasy If you are using resteasy outside of JBoss AS 6, you will need to do a few manual steps to install and configure resteasy. RESTeasy is deployed as a WAR archive and thus depends on a Servlet container. We strongly suggest that you use Maven to build your WAR files as RESTEasy is split into a bunch of different modules. You can see an example Maven project in one of the examples in the examples/ directory Also, when you download RESTeasy and unzip it you will see a lib/ directory that contains the libraries needed by resteasy. Copy these into your /WEB-INF/lib directory. Place your JAX-RS annotated class resources and providers within one or more jars within /WEB-INF/lib or your raw class files within /WEB-INF/classes. Hi, is my confusion justified? I am using JBoss 5 unfortunately. Do I need to download RESTeasy and unzip it IF I am using Maven, as the documentation recommends? Maven grabs all the dependencies that are needed to build a project, including the RESTEasy fraemwork, right? So why the contradiction here? Wish that the documentation would anticipate common questions and be written more clearly.

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  • random data using php & mysql

    - by Prakash
    I have mysql database structure like below: CREATE TABLE test ( id int(11) NOT NULL auto_increment, title text NULL, tags text NULL, PRIMARY KEY (id) ); data on field tags is stored as a comma separated text like html,php,mysql,website,html etc... now I need create an array that contains around 50 randomly selected tags from random records. currently I am using rand() to select 15 random mysql data from database and then holding all the tags from 15 records in an array. Then I am using array_rand() for randomizing the array and selecting only 50 random records. $query=mysql_query("select * from test order by id asc, RAND() limit 15"); $tags=""; while ($eachData=mysql_fetch_array($query)) { $additionalTags=$eachData['tags']; if ($tags=="") { $tags.=$additionalTags; } else { $tags.=$tags.",".$additionalTags; } } $tags=explode(",", $tags); $newTags=array(); foreach ($tags as $tag) { $tag=trim($tag); if ($tag!="") { if (!in_array($tag, $newTags)) { $newTags[]=$tag; } } } $random_newTags=array_rand($newTags, 50); Now I have huge records on the database, and because of that; rand() is performing very slow and sometimes it doesn't work. So can anyone let me know how to handle this situation correctly so that my page will work normally.

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  • How to Read some of the properties of the ItemSource when Laying out the Children?

    - by user275561
    Assume that I have the ItemSource bound and i am getting the data. Now what I want is this. The ItemSource will contain Data that tells where each button should be. For Example: The first Button could be at Left:200,Top:0, the Second could be Left:50 Top:20. </ItemsControl.Resources> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Controls:MatrixCanvas /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> <ItemsControl.ItemTemplate> <DataTemplate> <item:CustomButton Height="{Binding btnSize}" Width="{Binding btnSize}" Style="{Binding bbColor,Converter={StaticResource ButtonStyleConverter}}" /> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> protected override Size ArrangeOverride(Size finalSize) { foreach (var child in Children) { //The child } return base.ArrangeOverride(finalSize); } The Child however is not giving me access to the Item that I want. Is their a good solution for this? Am I going about this the wrong way? The reason I am doing it like this is because their can be buttons added dynamically, removed, some buttons will need to move around etc..

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  • Error handling in PHP

    - by Industrial
    Hi guys, We're building a PHP app based on Good old MVC (codeigniter framework) and have run into trouble with a massive chained action that consists of multiple model calls, that together is a part of a big transaction to the database. We want to be able to do a list of actions and get a status report of each one back from the function, whatever the outcome is. Our first initial idea was to utilize the exceptions of PHP5, but since we want to also need status messages that doesnt break the execution of the script, this was our solution that we came up with. It goes a little something like this: $sku = $this->addSku( $name ); if ($sku === false) { $status[] = 'Something gone terrible wrong'; $this->db->trans_rollback(); return $status; } $image= $this->addImage( $filename); if ($image=== false) { $error[] = 'Image could not be uploaded, check filesize'; $this->db->trans_rollback(); return $status; } Our controller looks like this: $var = $this->products->addProductGroup($array); if (is_array($var)) { foreach ($var as $error) { echo $error . '<br />'; } } It appears to be a very fragile solution to do what we need, but it's neither scalable, neither effective when compared to pure PHP exceptions for instance. Is this really the way that this kind of stuff generally is handled in MVC based apps? Thanks!

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  • How to draw a circle in java with a radius and points around the edge

    - by windopal
    Hi, I'm really stuck on how to go about programming this. I need to draw a circle within a JFrame with a radius and points around the circumference. i can mathematically calculate how to find the coordinates of the point around the edge but i cant seem to be able to program the circle. I am currently using a Ellipse2D method but that doesn't seem to work and doesn't return a radius, as under my understanding, it doesn't draw the circle from the center rather from a starting coordinate using a height and width. My current code is on a separate frame but i need to add it to my existing frame. import java.awt.*; import javax.swing.*; import java.awt.geom.*; public class circle extends JFrame { public circle() { super("circle"); setSize(410, 435); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Panel sp = new Panel(); Container content = getContentPane(); content.add(sp); setContentPane(content); setVisible(true); } public static void main (String args[]){ circle sign = new circle(); } } class Panel extends JPanel { public void paintComponent(Graphics comp) { super.paintComponent(comp); Graphics2D comp2D = (Graphics2D) comp; comp2D.setColor(Color.red); Ellipse2D.Float sign1 = new Ellipse2D.Float(0F, 0F, 350F, 350F); comp2D.fill(sign1); } }

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  • JSESSIONID collision between two servers on same ip but different ports

    - by Steve Armstrong
    I've got a situation where I have two different webapps running on a single server, using different ports. They're both running Java's Jetty servlet container, so they both use a cookie parameter named JSESSIONID to track the session id. These two webapps are fighting over the session id. Open a Firefox tab, and go to WebApp1 WebApp1's HTTP response has a set-cookie header with JSESSIONID=1 Firefox now has a Cookie header with JSESSIONID=1 in all it's HTTP requests to WebApp1 Open a second Firefox tab, and go to WebApp2 The HTTP reqeust to WebApp2 also has a Cookie header with JSESSIONID=1, but in the doGet, when I call req.getSession(false); I get null. And if I call req.getSession(true) I get a new Session object, but then the HTTP response from WebApp2 has a set-cookie header with JSESSIONID=20 Now, WebApp2 has a working Session, but WebApp1's session is gone. Going to WebApp1 will give me a new session, blowing away WebApp2's session. Continue forever So the Sessions are thrashing between each web app. I'd really like for the req.getSession(false) to return a valid session if there's already a JSESSIONID cookie defined. One option is to basically reimplement the Session framework with a HashMap and cookies called WEBAPP1SESSIONID and WEBAPP2SESSIONID, but that sucks, and means I'll have to hack the new Session stuff into ActionServlet and a few other places. This must be a problem others have encountered. Is Jetty's HttpServletRequest.getSession(boolean) just crappy?

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  • Escape Quote in C# for javascript consumption

    - by Jason
    I have a ASP.Net web handler that returns results of a query in JSON format public static String dt2JSON(DataTable dt) { String s = "{\"rows\":["; if (dt.Rows.Count > 0) { foreach (DataRow dr in dt.Rows) { s += "{"; for (int i = 0; i < dr.Table.Columns.Count; i++) { s += "\"" + dr.Table.Columns[i].ToString() + "\":\"" + dr[i].ToString() + "\","; } s = s.Remove(s.Length - 1, 1); s += "},"; } s = s.Remove(s.Length - 1, 1); } s += "]}"; return s; } The problem is that sometimes the data returned has quotes in it and I would need to javascript-escape these so that it can be properly created into a js object. I need a way to find quotes in my data (quotes aren't there every time) and place a "/" character in front of them. Example response text (wrong): {"rows":[{"id":"ABC123","length":"5""}, {"id":"DEF456","length":"1.35""}, {"id":"HIJ789","length":"36.25""}]} I would need to escape the " so my response should be: {"rows":[{"id":"ABC123","length":"5\""}, {"id":"DEF456","length":"1.35\""}, {"id":"HIJ789","length":"36.25\""}]} Also, I'm pretty new to C# (coding in general really) so if something else in my code looks silly let me know.

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  • How do I add ROW_NUMBER to a LINQ query or Entity?

    - by Whozumommy
    I'm stumped by this easy data problem. I'm using the Entity framework and have a database of products. My results page returns a paginated list of these products. Right now my results are ordered by the number of sales of each product, so my code looks like this: return Products.OrderByDescending(u => u.Sales.Count()); This returns an IQueryable dataset of my entities, sorted by the number of sales. I want my results page to show the rank of each product (in the dataset). My results should look like this: Page #1 1. Bananas 2. Apples 3. Coffee Page #2 4. Cookies 5. Ice Cream 6. Lettuce I'm expecting that I just want to add a column in my results using the SQL ROW_NUMBER variable...but I don't know how to add this column to my results datatable. My resulting page does contain a foreach loop, but since I'm using a paginated set I'm guessing using that number to fake a ranking number would NOT be the best approach. So my question is, how do I add a ROW_NUMBER column to my query results in this case?

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  • How to implement an ListView containing images with style

    - by Alexandergre
    So I have been working with an app where I need to show the thumbnails as clean and use the space in a good way. Style A is my work until now. What I want to accomplish is something like style B. no titles and use the space in a good way. I need help with this. there was no tutorial on the net. Is ListView able to do such a thing? or shall I make picturesboxes and put them in a scrollview? the code: private void button1_Click(object sender, EventArgs e) { ImageList myImageList = new ImageList(); myImageList.ImageSize = new Size(48, 48); DirectoryInfo dir = new DirectoryInfo(@"C:\img"); foreach (FileInfo file in dir.GetFiles()) { try { myImageList.Images.Add(Image.FromFile(file.FullName)); } catch { Console.WriteLine("This is not an image file"); } } myListView.LargeImageList = myImageList; myListView.Items.Add("a", 0); myListView.Items.Add("b", 1); myListView.Items.Add("c", 2);

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  • PHP Treat String as Variable

    - by Ygam
    Hi guys. I have a piece of code here that does not work despite me using a $$ on it to treat the string as a variable: <? foreach (KOHANA::config('list.amenities_forms') as $k => $v) : ?> <div class="form"> <fieldset> <legend><?php echo $v ?></legend> <input type="checkbox" name="<?=$k?>flag" id="<?=$k?>flag"/> <label class="inline"><?=$v?></label> <label>Description</label> <textarea cols="50" rows="5" name="<?=$k?>[]"><?= empty($$k[0]) ? '' : $$k[0]?></textarea> <label>Size</label> <input type="text" name="<?=$k?>[]" value="<?= empty($$k[1]) ? '' : $$k[1]?>"/> <label>Capacity</label> <input type="text" name="<?=$k?>[]" value="<?= empty($$k[2]) ? '' : $$k[2]?>"/> </fieldset> </div> <? endforeach?> the function Kohana::config returns this array: 'amenities_forms' => array( 'meeting_space' => 'Meeting Space', 'breakfast_room' => 'Breakfast Room', 'living_quarters' => 'Living Quarters', 'restaurant' => 'Restaurant', 'bar' => 'Bar' ) what could I be doing wrong?

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  • How to build a JSON response by combining @foo.to_json(options) and @bars.to_json(options) in Rails

    - by smotchkkiss
    First, the desired result I have User and Item models. I'd like to build a JSON response that looks like this: { "user": {"username":"Bob!","foo":"whatever","bar":"hello!"}, "items": [ {"id":1, "name":"one", "zim":"planet", "gir":"earth"}, {"id":2, "name":"two", "zim":"planet", "gir":"mars"} ] } However, my User and Item model have more attributes than just those. I found a way to get this to work, but beware, it's not pretty... Please help... My hacks home_controller.rb class HomeController < ApplicationController def observe respond_to do |format| format.js { render :json => Observation.new(current_user, @items).to_json } end end end observation.rb # NOTE: this is not a subclass of ActiveRecord::Base # this class just serves as a container to aggregate all "observable" objects class Observation attr_accessor :user, :items def initialize(user, items) self.user = user self.items = items end # The JSON needs to be decoded before it's sent to the `to_json` method in the home_controller otherwise the JSON will be escaped... # What a mess! def to_json { :user => ActiveSupport::JSON.decode(user.to_json(:only => :username, :methods => [:foo, :bar])), :items => ActiveSupport::JSON.decode(auctions.to_json(:only => [:id, :name], :methods => [:zim, :gir])) } end end

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  • How to associate static entity instances in a Session without database retrieval

    - by Michael Hedgpeth
    I have a simple Result class that used to be an Enum but has evolved into being its own class with its own table. public class Result { public static readonly Result Passed = new Result(StatusType.Passed) { Id = [Predefined] }; public static readonly Result NotRun = new Result(StatusType.NotRun) { Id = [Predefined] }; public static readonly Result Running = new Result(StatusType.Running) { Id = [Predefined] }; } Each of these predefined values has a row in the database at their predefined Guid Id. There is then a failed result that has an instance per failure: public class FailedResult : Result { public FailedResult(string description) : base(StatusType.Failed) { . . . } } I then have an entity that has a Result: public class Task { public Result Result { get; set; } } When I save a Task, if the Result is a predefined one, I want NHibernate to know that it doesn't need to save that to the database, nor does it need to fetch it from the database; I just want it to save by Id. The way I get around this is when I am setting up the session, I call a method to load the static entities: protected override void OnSessionOpened(ISession session) { LockStaticResults(session, Result.Passed, Result.NotRun, Result.Running); } private static void LockStaticResults(ISession session, params Result[] results) { foreach (var result in results) { session.Load(result, result.Id); } } The problem with the session.Load method call is it appears to be fetching to the database (something I don't want to do). How could I make this so it does not fetch the database, but trusts that my static (immutable) Result instances are both up to date and a part of the session?

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  • Simplemodal AJAX

    - by Maxime
    Hello guys, I'm trying to implement Simplemodal on my website. Simple text boxes are really easy to do, but I can't find a way to have another page showing through AJAX. I know very little about Jquery and there is no documentation on how to do it, so could somebody help me? Thanks. This is the default code of a Simple Modal box: jQuery(function ($) { $('#basic-modal .basic').click(function (e) { $('#basic-modal-content').modal(); return false; });}); This is some code I took from the Simple Modal contact form that works with AJAX. I've been trying to tweak it but I don't really understand the structure of it. As I said, I'm completely new to Jquery. $.get("data/contact.php", function(data){ // create a modal dialog with the data $(data).modal({ closeHTML: "<a href='#' title='Close' class='modal-close'>x</a>", position: ["15%",], overlayId: 'contact-overlay', containerId: 'contact-container', onOpen: contact.open, onShow: contact.show, onClose: contact.close }); }); });

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  • How can I add my desired links to be read using PHP Universal FeedParser

    - by lightingwrist
    Hello, I have been trying to use the PHP Universal FeedParser to read RSS feeds and display the output on my site. Problem is I am VERY green with this and although it seems very simple. the only link that is working is the link provided in the sample. When I try to add another address with the xml or rss.php extensions, I keep getting errors,the page is loading blank,or the designated area for the feeds is blank. In addition to this, how can I add multiple links to feeds in a syntactically correct manor and how can I limit the amount of feeds? Thank you Here it is: <?php require_once($_SERVER['DOCUMENT_ROOT'] . '/includes/system/FeedParser.php'); $Parser = new FeedParser(); $Parser->parse("http://www.sitepoint.com/rss.php"); $channels = $Parser->getChannels(); $items = $Parser->getItems(); ?> and then: <div id="rss_feeder"> <h1 id="title"><a href="<?php echo $channels['LINK']; ?>"><?php echo $channels['TITLE']; ?></a></h1> <p id="description"><?php echo $channels['DESCRIPTION']; ?> </p> <?php foreach($items as $item): ?> <a class="feed-title" href="<?php echo $item['LINK']; ?>"><?php echo $item['TITLE']; ?></a> <p class="feed-description"><?php echo $item['DESCRIPTION']; ?></p> <?php endforeach;?> </div>

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  • ListView Final Column Autosize creates scrollbar

    - by Courtney de Lautour
    Hi There, I am implementing a custom control which derives from ListView. I would like for the final column to fill the remaining space (Quite a common task), I have gone about this via overriding the OnResize method: protected override void OnResize(EventArgs e) { base.OnResize(e); if (Columns.Count == 0) return; Columns[Columns.Count - 1].Width = -2; // -2 = Fill remaining space } or via another method: protected override void OnResize(EventArgs e) { base.OnResize(e); if (!_autoFillLastColumn) return; if (Columns.Count == 0) return; int TotalWidth = 0; int i = 0; for (; i < Columns.Count - 1; i++) { TotalWidth += Columns[i].Width; } Columns[i].Width = this.DisplayRectangle.Width - TotalWidth; } Edit: This works fine until I dock the ListView into a parent container and resize via that control. Every second time the control size shrinks (IE, drag the the border one pixel), I get a scroll bar on the bottom which can't move at all (not even one pixel). The result of which is when I drag the size of the parent I am left with a flickering scroll bar in the ListView, and a 50% chance it will be there when the dragging stops.

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