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  • Warning generated by UIButton setting code

    - by Spider-Paddy
    I have a for loop setting the background images on buttons, basically the buttons are thumbnail previews of different items & can't be set statically, however the code gives an warning because it runs through all the UIViews but then calls setBackgroundImage which does not apply to all views. The warning is an irritation, I understand what it's complaining about, how can I get rid of it? (I don't want to turn off the warning, I want to fix the problem) // For loop to set button images for (UIView *subview in [self.view subviews]) // Loop through all subviews { // Look for the tagged buttons, only the 8 tagged buttons & within array bounds if((subview.tag >= 1) && (subview.tag <= 8) && (subview.tag < totalBundles)) { // Retrieve item in array at position matching button tag (array is 0 indexed) NSDictionary *bundlesDataItem = [bundlesDataSource objectAtIndex:(subview.tag - 1)]; // Set button background to thumbnail of current bundle NSString *picAddress = [NSString stringWithFormat:@"http://some.thing.com/data/images/%@/%@", [bundlesDataItem objectForKey:@"Nr"], [bundlesDataItem objectForKey:@"Thumb"]]; NSURL *picURL = [NSURL URLWithString:picAddress]; NSData *picData = [NSData dataWithContentsOfURL:picURL]; // Warning is generated here [subview setBackgroundImage:[UIImage imageWithData:picData] forState:UIControlStateNormal]; } }

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  • can someone help me fix my code?

    - by user267490
    Hi, I have this code I been working on but I'm having a hard time for it to work. I did one but it only works in php 5.3 and I realized my host only supports php 5.0! do I was trying to see if I could get it to work on my sever correctly, I'm just lost and tired lol <?php //Temporarily turn on error reporting @ini_set('display_errors', 1); error_reporting(E_ALL); // Set default timezone (New PHP versions complain without this!) date_default_timezone_set("GMT"); // Common set_time_limit(0); require_once('dbc.php'); require_once('sessions.php'); page_protect(); // Image settings define('IMG_FIELD_NAME', 'cons_image'); // Max upload size in bytes (for form) define ('MAX_SIZE_IN_BYTES', '512000'); // Width and height for the thumbnail define ('THUMB_WIDTH', '150'); define ('THUMB_HEIGHT', '150'); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head> <title>whatever</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <style type="text\css"> .validationerrorText { color:red; font-size:85%; font-weight:bold; } </style> </head> <body> <h1>Change image</h1> <?php $errors = array(); // Process form if (isset($_POST['submit'])) { // Get filename $filename = stripslashes($_FILES['cons_image']['name']); // Validation of image file upload $allowedFileTypes = array('image/gif', 'image/jpg', 'image/jpeg', 'image/png'); if ($_FILES[IMG_FIELD_NAME]['error'] == UPLOAD_ERR_NO_FILE) { $errors['img_empty'] = true; } elseif (($_FILES[IMG_FIELD_NAME]['type'] != '') && (!in_array($_FILES[IMG_FIELD_NAME]['type'], $allowedFileTypes))) { $errors['img_type'] = true; } elseif (($_FILES[IMG_FIELD_NAME]['error'] == UPLOAD_ERR_INI_SIZE) || ($_FILES[IMG_FIELD_NAME]['error'] == UPLOAD_ERR_FORM_SIZE) || ($_FILES[IMG_FIELD_NAME]['size'] > MAX_SIZE_IN_BYTES)) { $errors['img_size'] = true; } elseif ($_FILES[IMG_FIELD_NAME]['error'] != UPLOAD_ERR_OK) { $errors['img_error'] = true; } elseif (strlen($_FILES[IMG_FIELD_NAME]['name']) > 200) { $errors['img_nametoolong'] = true; } elseif ( (file_exists("\\uploads\\{$username}\\images\\banner\\{$filename}")) || (file_exists("\\uploads\\{$username}\\images\\banner\\thumbs\\{$filename}")) ) { $errors['img_fileexists'] = true; } if (! empty($errors)) { unlink($_FILES[IMG_FIELD_NAME]['tmp_name']); //cleanup: delete temp file } // Create thumbnail if (empty($errors)) { // Make directory if it doesn't exist if (!is_dir("\\uploads\\{$username}\\images\\banner\\thumbs\\")) { // Take directory and break it down into folders $dir = "uploads\\{$username}\\images\\banner\\thumbs"; $folders = explode("\\", $dir); // Create directory, adding folders as necessary as we go (ignore mkdir() errors, we'll check existance of full dir in a sec) $dirTmp = ''; foreach ($folders as $fldr) { if ($dirTmp != '') { $dirTmp .= "\\"; } $dirTmp .= $fldr; mkdir("\\".$dirTmp); //ignoring errors deliberately! } // Check again whether it exists if (!is_dir("\\uploads\\$username\\images\\banner\\thumbs\\")) { $errors['move_source'] = true; unlink($_FILES[IMG_FIELD_NAME]['tmp_name']); //cleanup: delete temp file } } if (empty($errors)) { // Move uploaded file to final destination if (! move_uploaded_file($_FILES[IMG_FIELD_NAME]['tmp_name'], "/uploads/$username/images/banner/$filename")) { $errors['move_source'] = true; unlink($_FILES[IMG_FIELD_NAME]['tmp_name']); //cleanup: delete temp file } else { // Create thumbnail in new dir if (! make_thumb("/uploads/$username/images/banner/$filename", "/uploads/$username/images/banner/thumbs/$filename")) { $errors['thumb'] = true; unlink("/uploads/$username/images/banner/$filename"); //cleanup: delete source file } } } } // Record in database if (empty($errors)) { // Find existing record and delete existing images $sql = "SELECT `bannerORIGINAL`, `bannerTHUMB` FROM `agent_settings` WHERE (`agent_id`={$user_id}) LIMIT 1"; $result = mysql_query($sql); if (!$result) { unlink("/uploads/$username/images/banner/$filename"); //cleanup: delete source file unlink("/uploads/$username/images/banner/thumbs/$filename"); //cleanup: delete thumbnail file die("<div><b>Error: Problem occurred with Database Query!</b><br /><br /><b>File:</b> " . __FILE__ . "<br /><b>Line:</b> " . __LINE__ . "<br /><b>MySQL Error Num:</b> " . mysql_errno() . "<br /><b>MySQL Error:</b> " . mysql_error() . "</div>"); } $numResults = mysql_num_rows($result); if ($numResults == 1) { $row = mysql_fetch_assoc($result); // Delete old files unlink("/uploads/$username/images/banner/" . $row['bannerORIGINAL']); //delete OLD source file unlink("/uploads/$username/images/banner/thumbs/" . $row['bannerTHUMB']); //delete OLD thumbnail file } // Update/create record with new images if ($numResults == 1) { $sql = "INSERT INTO `agent_settings` (`agent_id`, `bannerORIGINAL`, `bannerTHUMB`) VALUES ({$user_id}, '/uploads/$username/images/banner/$filename', '/uploads/$username/images/banner/thumbs/$filename')"; } else { $sql = "UPDATE `agent_settings` SET `bannerORIGINAL`='/uploads/$username/images/banner/$filename', `bannerTHUMB`='/uploads/$username/images/banner/thumbs/$filename' WHERE (`agent_id`={$user_id})"; } $result = mysql_query($sql); if (!$result) { unlink("/uploads/$username/images/banner/$filename"); //cleanup: delete source file unlink("/uploads/$username/images/banner/thumbs/$filename"); //cleanup: delete thumbnail file die("<div><b>Error: Problem occurred with Database Query!</b><br /><br /><b>File:</b> " . __FILE__ . "<br /><b>Line:</b> " . __LINE__ . "<br /><b>MySQL Error Num:</b> " . mysql_errno() . "<br /><b>MySQL Error:</b> " . mysql_error() . "</div>"); } } // Print success message and how the thumbnail image created if (empty($errors)) { echo "<p>Thumbnail created Successfully!</p>\n"; echo "<img src=\"/uploads/$username/images/banner/thumbs/$filename\" alt=\"New image thumbnail\" />\n"; echo "<br />\n"; } } if (isset($errors['move_source'])) { echo "\t\t<div>Error: Failure occurred moving uploaded source image!</div>\n"; } if (isset($errors['thumb'])) { echo "\t\t<div>Error: Failure occurred creating thumbnail!</div>\n"; } ?> <form action="" enctype="multipart/form-data" method="post"> <input type="hidden" name="MAX_FILE_SIZE" value="<?php echo MAX_SIZE_IN_BYTES; ?>" /> <label for="<?php echo IMG_FIELD_NAME; ?>">Image:</label> <input type="file" name="<?php echo IMG_FIELD_NAME; ?>" id="<?php echo IMG_FIELD_NAME; ?>" /> <?php if (isset($errors['img_empty'])) { echo "\t\t<div class=\"validationerrorText\">Required!</div>\n"; } if (isset($errors['img_type'])) { echo "\t\t<div class=\"validationerrorText\">File type not allowed! GIF/JPEG/PNG only!</div>\n"; } if (isset($errors['img_size'])) { echo "\t\t<div class=\"validationerrorText\">File size too large! Maximum size should be " . MAX_SIZE_IN_BYTES . "bytes!</div>\n"; } if (isset($errors['img_error'])) { echo "\t\t<div class=\"validationerrorText\">File upload error occured! Error code: {$_FILES[IMG_FIELD_NAME]['error']}</div>\n"; } if (isset($errors['img_nametoolong'])) { echo "\t\t<div class=\"validationerrorText\">Filename too long! 200 Chars max!</div>\n"; } if (isset($errors['img_fileexists'])) { echo "\t\t<div class=\"validationerrorText\">An image file already exists with that name!</div>\n"; } ?> <br /><input type="submit" name="submit" id="image1" value="Upload image" /> </form> </body> </html> <?php ################################# # # F U N C T I O N S # ################################# /* * Function: make_thumb * * Creates the thumbnail image from the uploaded image * the resize will be done considering the width and * height defined, but without deforming the image * * @param $sourceFile Path anf filename of source image * @param $destFile Path and filename to save thumbnail as * @param $new_w the new width to use * @param $new_h the new height to use */ function make_thumb($sourceFile, $destFile, $new_w=false, $new_h=false) { if ($new_w === false) { $new_w = THUMB_WIDTH; } if ($new_h === false) { $new_h = THUMB_HEIGHT; } // Get image extension $ext = strtolower(getExtension($sourceFile)); // Copy source switch($ext) { case 'jpg': case 'jpeg': $src_img = imagecreatefromjpeg($sourceFile); break; case 'png': $src_img = imagecreatefrompng($sourceFile); break; case 'gif': $src_img = imagecreatefromgif($sourceFile); break; default: return false; } if (!$src_img) { return false; } // Get dimmensions of the source image $old_x = imageSX($src_img); $old_y = imageSY($src_img); // Calculate the new dimmensions for the thumbnail image // 1. calculate the ratio by dividing the old dimmensions with the new ones // 2. if the ratio for the width is higher, the width will remain the one define in WIDTH variable // and the height will be calculated so the image ratio will not change // 3. otherwise we will use the height ratio for the image // as a result, only one of the dimmensions will be from the fixed ones $ratio1 = $old_x / $new_w; $ratio2 = $old_y / $new_h; if ($ratio1 > $ratio2) { $thumb_w = $new_w; $thumb_h = $old_y / $ratio1; } else { $thumb_h = $new_h; $thumb_w = $old_x / $ratio2; } // Create a new image with the new dimmensions $dst_img = ImageCreateTrueColor($thumb_w, $thumb_h); // Resize the big image to the new created one imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $old_x, $old_y); // Output the created image to the file. Now we will have the thumbnail into the file named by $filename switch($ext) { case 'jpg': case 'jpeg': $result = imagepng($dst_img, $destFile); break; case 'png': $result = imagegif($dst_img, $destFile); break; case 'gif': $result = imagejpeg($dst_img, $destFile); break; default: //should never occur! } if (!$result) { return false; } // Destroy source and destination images imagedestroy($dst_img); imagedestroy($src_img); return true; } /* * Function: getExtension * * Returns the file extension from a given filename/path * * @param $str the filename to get the extension from */ function getExtension($str) { return pathinfo($str, PATHINFO_EXTENSION); } ?>

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  • How can I get the mouse wheel to work correctly with the Silverlight 4 ScrollViewer

    - by Ian Oakes
    When I use the following xaml in Silverlight 4, the ScrollViewer will not recognize the mouse wheel unless I click once on the scroll bar thumb, and keep the mouse over the scroll bar, while turning the mouse wheel. <Grid x:Name="LayoutRoot" Background="White"> <ScrollViewer> <StackPanel Name="stackPanel1"> <Button Content="Button 1" Width="150" /> <Button Content="Button 2" Width="150" Margin="0,20,0,0" /> <Button Content="Button 3" Width="150" Margin="0,20,0,0" /> <Button Content="Button 4" Width="150" Margin="0,20,0,0" /> <Button Content="Button 5" Width="150" Margin="0,20,0,0" /> <Button Content="Button 6" Width="150" Margin="0,20,0,0" /> <Button Content="Button 7" Width="150" Margin="0,20,0,0" /> </StackPanel> </ScrollViewer> </Grid> Has anyone else experience this, and is there any work around?

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  • Dynamically including multiple files within php for image descriptions

    - by Steve Jones
    Working on implementing image descriptions to a php run gallery and can't seem to figure out how to call each text file for each individual image. //total number of images $total = 77; //max number of thumbnails per page $max = 9; //what image do we want to start from? $startcount = $_GET["start"]; //if there is not a defined starting image, we start with the first if(empty($startcount)) { $startcount = 0; } //start off the loop at 1 $loop = 1; //start the loop while($loop <= $max) { //for the picture labels $num = $startcount + $loop; if($num > $total) { $num = $num - 1; break; } // Add class="last" to every third list item if(is_int($num / 3)) { $last = ' class="last"'; } else { $last = ""; } //the code for the image echo ' <li'.$last.'><a href="images/portfolio/pic-'.$num.'.jpg" rel="milkbox[gall1]"><img src="images/portfolio/thumbs/pic-'.$num.'-thumb.jpg" width="256" height="138" alt="Thumbnail of image '.$num.'" /></a><div>'.$num.'</div></li>'; I see that I can call the text files by number using '.$num.' (I have 77 individual text files with a phrase in each) but how do I tell it to call the files?

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  • Paperclip: Stay put on edit

    - by EricR
    When a user edits something in my application, they're forced to re-upload their image via paperclip even if they aren't changing it. Failing to do so will cause an error, since I validate_presence_of :image. This is quite annoying. How can I make it so Paperclip won't update its attributes if a user simply doesn't supply a new image on an edit? The photo controller is fresh out of Rails' scaffold generator. The rest of the source code is provided below. models/accommodation.rb class Accommodation < ActiveRecord::Base attr_accessible :photo validates_presence_of :photo has_one :photo has_many :notifications belongs_to :user accepts_nested_attributes_for :photo, :allow_destroy => true end controllers/accommodation_controller.rb class AccommodationsController < ApplicationController def index @accommodations = Accommodation.all end def show @accommodation = Accommodation.find(params[:id]) rescue ActiveRecord::RecordNotFound flash[:error] = "Accommodation not found." redirect_to :home end def new @accommodation = current_user.accommodations.build @accommodation.build_photo end def create @accommodation = current_user.accommodations.build(params[:accommodation]) if @accommodation.save flash[:notice] = "Successfully created your accommodation." redirect_to @accommodation else @accommodation.build_photo render :new end end def edit @accommodation = Accommodation.find(params[:id]) @accommodation.build_photo rescue ActiveRecord::RecordNotFound flash[:error] = "Accommodation not found." redirect_to :home end def update @accommodation = Accommodation.find(params[:id]) if @accommodation.update_attributes(params[:accommodation]) flash[:notice] = "Successfully updated accommodation." redirect_to @accommodation else @accommodation.build_photo render :edit end end def destroy @accommodation = Accommodation.find(params[:id]) @accommodation.destroy flash[:notice] = "Successfully destroyed accommodation." redirect_to :inkeep end end models/photo.rb class Photo < ActiveRecord::Base attr_accessible :image, :primary belongs_to :accommodation has_attached_file :image, :styles => { :thumb=> "100x100#", :small => "150x150>" } end

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  • whats a sure shot way to make sure objects appear correctly positioned on stage

    - by dubbeat
    Hi, I've being having a lot of trouble recently getting objects (UIComponents containing movieclips) to appear correctly in the right positions. For example, my current dilema is I have a container that is 3 layers deep. outer layer inner layer display layer This hiearachy was built in CS4 as a movieclip. In the display layer in CS4 I figured out where I want to place 16 different "box" movieclips. I dont want to create these boxes maunually at design time, instead I want to add them at run time. So I know what container I want to add my boxes to. I know what positions they "would" be at in CS4 environment. Whats the best way to add them in the correct locations with code? The "box" I'm trying to add in a movieclip held inside of a UIComponent. Is there a "rule of thumb" to do this type of thing? I'm sure I'm going to encounter this problem again and again and I'd like to just blow the problem out of the water once and for all with the "right way" to do this.

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  • android - how to cache an image from a remote site

    - by Lynnooi
    Hi, Can anyone please provide me some example on how to save an image i fetch from websites into a cache. I had try to include the following function into my code and call it once i run the activity. public void getRemoteImage(String imageUrl) { imageUrl = "http://marga.mobile9.com/download/thumb/295/sexylady7_xo6npovn.jpg"; URL aURL = null; URLConnection conn = null; Bitmap bmp = null; CacheResult cache_result = CacheManager.getCacheFile(imageUrl, new HashMap()); if (cache_result == null) { try { aURL = new URL(imageUrl); conn = aURL.openConnection(); conn.connect(); InputStream is = conn.getInputStream(); cache_result = new CacheManager.CacheResult(); CacheManager.saveCacheFile(imageUrl, cache_result); } catch (Exception e) { //return null; } } bmp = BitmapFactory.decodeStream(cache_result.getInputStream());*/ Toast.makeText(context,"Please work.. namo namo namo", Toast.LENGTH_SHORT).show(); //return bmp; } However, I got a nullPointerException. Can someone please help me with it as i'm quite new in android.

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  • How to compensate the flipped coordinate system of core graphics for easy drawing?

    - by mystify
    It's really a pain, but always when I draw an UIImage in -drawRect:, it's upside-down. When I flip the coordinates, the image draws correctly, but at the cost of all other CG functions drawing "wrong" (flipped). What's your strategy when you have to draw images and other things? Is there any rule of thumb how to not get stuck in this problem over and over again? Also, one nasty thing when I flip the y-axis is, that my CGRect from the UIImageView frame is wrong. Instead of the origin appearing at 10,10 upper left as expected, it appears at the bottom. But at the same time, all those normal line drawing functions of CGContext take correct coordinates. drawing a line in -drawRect with origin 10,10 upper left, will really start at upper left. But at the same time that's strange, because core graphics actually has a flipped coordinate system with y 0 at the bottom. So it seems like something is really inconsistent there. Drawing with CGContext functions takes coordinates as "expected" (cmon, nobody thinks in coordinates starting from bottom left, that's silly), while drawing any kind of image still works the "wrong" way. Do you use helper methods to draw images? Or is there anything useful that makes image drawing not a pain in the butt?

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  • Lite-Javascript Gallery - Can I position the img absolutely in relationship to the lis?

    - by blackessej
    I have a lite-javascript run image gallery. The javascript grabs each element in the list and places it as a background in the parent element. Then the CSS styles the thumbnails as small blocks with a defined height/width. A click-event for each object toggles it’s child’s element’s visibility and adds an “active” class name to the . Using CSS, I'm trying to place the absolutely to make it appear at the same position for each thumb, but it's moving in relation to the thumbs. Here's the CSS: #jgal li { background-position:50% 50%; background-repeat:no-repeat; border:solid #999 4px; cursor:pointer; display:block; float:left; height:60px; width:60px; margin-bottom:14px; margin-right:14px; opacity:0.5; } #jgal li img { position:absolute; top:0px; left:210px; display:none; } And the site: http://www.erisdesigns.net Thanks in advance for any help!

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  • Cakephp 1.3, Weird behavior on firefox when using $this->Html->link ...

    - by ion
    Greetings, I am getting a very weird and unpredictable result in firefox when using the following syntax: $this->Html->link($this->Html->div('p-cpt',$project['Project']['name']) . $this->Html->div('p-img',$this->Html->image('/img/projects/'.$project['Project']['slug'].'/project.thumb.jpg', array('alt'=>$project['Project']['name'],'width'=>100,'height'=>380))),array('controller' => 'projects', 'action' => 'view', $project['Project']['slug']),array('title' => $project['Project']['name'], 'escape' => false),false); OK I know it is big but bear with me. The point is to get the following output: <a href="x" title="x"> <div class="p-ctp">Name</div> <div class="p-img"><img src="z width="y" height="a" alt="d" /></div> </a> I'm not sure if this validates correctly both on cakephp and html but it works everywhere else apart from firefox. You can actually see the result here: http://www.gnomonconstructions.com/projects/browser To reproduce the result use the form with different categories and press search. At some point it will happen!! Although most of the time it renders the way it should, sometimes it produces an invalid output like that: <a href="x" title="x"></a> <div class="p-cpt"> <a href="x" title="x">name</a> </div> <div class="p-img"> <a href="x" title="x"><img src="x" width="x" height="x" alt="x" /></a> </div> Looks like it repeats the link inside each element. To be honest the only reason I used this syntax was because cakephp encourages it. Any help will be much appreciated :)

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  • Navigating sorted XML data (XSLT)

    - by Andrew Parisi
    I have an XML file with company data in it, for 30 companies across 8 industries, on a portfolio page. The user has the option to sort this data by Industry, and this XML file will be added to constantly. This sorting is done in my XSL file using <xsl:choose>. Example: <xsl:when test="(invest[@investid='con'])"> <xsl:for-each select="$invest-port/portfolio/company[@industry='Communications']"> <xsl:sort select="name" /> <div class="invest-port-thumb"> <a> <xsl:attribute name="href"> <xsl:value-of select="link" /> </xsl:attribute> </a> </div> </xsl:for-each> </xsl:when> When navigating to an individual company's page, there are "previous" and "next" buttons at the bottom of the window. My issue is that I need these to dynamically link to the previous and next elements from within the XML data that has been sorted. Is this possible? Or is there an easier way to do this? (such as place each company in industry-divided XML files instead of one) Any insight would be greatly appreciated!

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  • JQueryMobile 1.1.1 List items not anchoring to the left

    - by user1664935
    I'm trying to create a simple thumbnail list, the code is pretty much copied off jqm docs pages. However, when I use the code below the button element of the list isn't anchored to the left of the list item and instead appears centered...Can anyone help me? It's driving me crazy! I haven't got any styles in other than what is in the jquerymobile default page template <div id="listDiv" class="ui-content" data-role="main"> <div id="listInformation" data-role="content-primary"> <ul id="swipeMeChildrenList" data-role="listview" class="ui-listview"> <li data-corners="false" data-shadow="false" data-iconshadow="true" data-wrapperels="div" data-icon="arrow-r" data-iconpos="right" data-theme="c" class="ui-btn ui-btn-icon-right ui-li-has-arrow ui-li ui-btn-up-c"> <div class="ui-btn-inner ui-li"> <div class="ui-btn-text"> <a href="index.html" class="ui-link-inherit"> <img src="images/album-p.jpg" class="ui-li-thumb"> <p>Ha</p> </a> </div> <span class="ui-icon ui-icon-arrow-r ui-icon-shadow">&nbsp;</span> </div> </li> </ul> </div> </div>

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  • jQuery - Wait until image loads before performing function

    - by Steven
    I'm trying to create a simple portfolio page. I have a list of thumbs and an image. When you click on a thumb, the image will change. When a thumbnail is clicked, I'd like to have the image fade out, wait until the image is loaded, then fade back in. The problem I have right now is that some of the images are pretty big, so it fades out, then fades back in immediately, sometimes while the image is still loading. I'd like to avoid using setTimeout, since sometimes an image will load faster or slower than the time I set. Here's my code: $(function() { $('img#image').attr("src", $('ul#thumbs li:first img').attr("src")); $('ul#thumbs li img').click(function() { $('img#image').fadeOut(700); var src = $(this).attr("src"); $('img#image').attr("src", src); $('img#image').fadeIn(700); }); }); <img id="image" src="" alt="" /> <ul id="thumbs"> <li><img src="/images/thumb1.png" /></li> <li><img src="/images/thumb2.png" /></li> <li><img src="/images/thumb3.png" /></li> </ul>

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  • Should I put actors in the Domain-Model/Class-Diagram?

    - by devoured elysium
    When designing both the domain-model and class-diagrams I am having some trouble understanding what to put in them. I'll give an example of what I mean: I am doing a vacations scheduler program, that has an Administrator and End-Users. The Administrator does a couple of things like registering End-Users in the program, changing their previleges, etc. The End-User can choose his vacations days, etc. I initially defined an Administrator and End-User as concepts in the domain-model, and later as classes in the class-diagram. In the class-diagram, both classes ended up having a couple of methods like Administrator.RegisterNewUser(); Administrator.UnregisterUser(int id); etc. Only after some time I realised that actually both Administrator and End-User are actors, and maybe I got this design totally wrong. Instead of filling Administrator and End-User classes with methods to do what my Use-Cases request, I could define other classes from the domain to do them, and have controllers handle the Use-Cases(actually, I decided to do one for each Use-Case). I could have a UserDatabase.RegisterNewUser() and UserDatabase.UnregisterUser(int id);, for example, instead of having those methods on the Administrator class. The idea would be to try to think of the whole vacation-scheduler as a "closed-program" that has a set of features and doesn't bother with things such as authentication, that should be internal/protected, being that the only public things I'd let the outside world see would be its controllers. Is this the right approach? Or am I getting this totally wrong? Is it generally bad idea to put Actors in the domain-model/class-diagrams? What are good rules of thumb for this? My lecturer is following Applying UML and Patterns, which I find awful, so I'd like to know where I could look up more info on this described actor-models situation. I'm still a bit confused about all of this, as this new approach is radically different from anything I've done before.

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  • PHP resizing PNGs results in corrupted files

    - by Robert
    I have a PHP script that resizes .jpg, .gif, and .png files to a bounding box. $max_width = 500; $max_height = 600; $filetype = $_FILES["file"]["type"]; $source_pic = "img/" . $idnum; if($filetype == "image/jpeg") { $src = imagecreatefromjpeg($source_pic); } else if($filetype == "image/png") { $src = imagecreatefrompng($source_pic); } else if($filetype == "image/gif") { $src = imagecreatefromgif($source_pic); } list($width,$height)=getimagesize($source_pic); $x_ratio = $max_width / $width; $y_ratio = $max_height / $height; if( ($width <= $max_width) && ($height <= $max_height) ) { $tn_width = $width; $tn_height = $height; } else if (($x_ratio * $height) < $max_height) { $tn_height = ceil($x_ratio * $height); $tn_width = $max_width; } else { $tn_width = ceil($y_ratio * $width); $tn_height = $max_height; } $tmp = imagecreatetruecolor($tn_width,$tn_height); imagecopyresampled($tmp,$src,0,0,0,0,$tn_width, $tn_height,$width,$height); $destination_pic = "img/thumbs/" . $idnum . "thumb"; if($filetype == "image/jpeg") { imagejpeg($tmp,$destination_pic,80); } else if($filetype == "image/png") { imagepng($tmp,$destination_pic,80); } else if($filetype == "image/gif") { imagegif($tmp,$destination_pic,80); } imagedestroy($src); imagedestroy($tmp); The script works fine with jpeg and gif but when running on a png the file will be corrupted. Is there anything special I need to use when working with a png? I have never worked with this sort of thing in PHP so I'm not very familiar with it.

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  • highlight page selected in pagination?

    - by Mahmoud
    Hey There i have a php page, that shows all products that are stored on the database, so everything in fine, but my problem is that i am trying to highlight or give a color when a selected number is clicked, example, let say i all my product are showing and there are 2 pages, so when the user clicks on next the next fade and number 2 is colored yellow this well help the user to on which page he is below is my php code <?php echo"<a style:'color:#FFF;font-style:normal;'> "; include "im/config.php"; include('im/ps_pagination.php'); $result = ("Select * from product "); $pager = new PS_Pagination($conn, $result, 5, 6, "product=product"); $rs = $pager->paginate(); echo"<div id='image_container'>"; echo $pager->renderFullNav(); echo "<br /><br />\n"; while($row = mysql_fetch_array($rs)){ echo" <div class='virtualpage hidepiece'><a href='gal/".$row['pro_image']."' rel='lightbox[roadtrip]' title='".$row['pro_name']." : ".$row['pro_mini_des']."' style='color:#000'><img src='thumb/".$row['pro_thumb']."' /> </a></div>"; } echo"</div>"; echo "<br /><br />\n"; echo $pager->renderFullNav(); echo"</a>"; ?> Thank everyone

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  • PHP: Problem with reading Files

    - by mathiregister
    hello guys, i wonder what i'm doing wrong! i want to read a folder and run through the existing files, checking if they are either images or textfiles. if there are textfiles they should be put into a div, if there are images the should be output as an image. <?php $path = 'thumbs'; if ($handle = opendir($path)) { while (false !== ($file = readdir($handle))) { $ext = pathinfo($file, PATHINFO_EXTENSION); if ($ext == "jpg" || $ext == "jpeg" || $ext == "gif" || $ext == "png") { print "<img class='thumb' src='$path/$file'/>"; } else if ($ext == "txt" || $ext == "rtf") { //read text $lines = file_get_contents($file); $lines = str_replace("\n","<br/>",$lines); print "<div class='text'>" . $lines . "</div>"; //read text } } closedir($handle); } ?> there seems to be a problem i can't find, because ALL IMAGES get put out, however only ONE of a few textfiles gets printed. Any ideas why it only prints out one textfile??? thank you for your help!

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  • Is there a maximum number of input controls that can be used on an HTML form?

    - by Rich
    I have an ambitious requirement for an asp.net 2.0 web page that contains a table (gridview), and each row in the grid contains 6 select (dropdown) controls for data entry. The number of rows that will be displayed is dependent upon the user's search parameters, which are specified in another area of the page. Unfortunately, with the default (and even basic) search parameters specified, the grid could contain several hundred rows. I've noticed that the browser, in this case IE8, starts behaving rather erratically once I reach a large number of rows -- no documented evidence for the number of rows where this begins to be a problem. For example, trying to view the source of the page results in a message from IE stating that there was a problem with the page that forced the browser to reload it, and I never get the source. Obviously the page loads and renders rather slowly also. I know that my solution is probably going to involve paging the gridview such that it only displays 20 or so rows per page, and I'll have to write code to handle the saving of changes in the dropdown values when the user changes pages. I can probably turn off viewstate on the gridview also. However, the question I really want to pose is this -- has anyone seen a documented rule indicating the maximum number of input controls that an HTML browser form is supposed to be able to contain? I could not find anything on the Internet after doing a search, and I suspect the answer may be whatever the browser can handle based on the machine configuration it is running on. Any rules of thumb you use? Thanks for any suggestions. Rich

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  • Integration testing - can it be done right?

    - by Max
    I used TDD as a development style on some projects in the past two years, but I always get stuck on the same point: how can I test the integration of the various parts of my program? What I am currently doing is writing a testcase per class (this is my rule of thumb: a "unit" is a class, and each class has one or more testcases). I try to resolve dependencies by using mocks and stubs and this works really well as each class can be tested independently. After some coding, all important classes are tested. I then "wire" them together using an IoC container. And here I am stuck: How to test if the wiring was successfull and the objects interact the way I want? An example: Think of a web application. There is a controller class which takes an array of ids, uses a repository to fetch the records based on these ids and then iterates over the records and writes them as a string to an outfile. To make it simple, there would be three classes: Controller, Repository, OutfileWriter. Each of them is tested in isolation. What I would do in order to test the "real" application: making the http request (either manually or automated) with some ids from the database and then look in the filesystem if the file was written. Of course this process could be automated, but still: doesn´t that duplicate the test-logic? Is this what is called an "integration test"? In a book i recently read about Unit Testing it seemed to me that integration testing was more of an anti-pattern?

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  • How do I choose what and when to cache data with ob_start rather than query the database?

    - by Tim Santeford
    I have a home page that has several independent dynamic parts. The parts consist of a list of recent news from the company, a site statistics panel, and the online status of certain employees. The recent news changes monthly, site statistics change daily, and online statuses change on a per minute bases. I would like to cache these panels so that the db is not hit on every page load. Is using ob_start() then ob_get_contents() to cache these parts to a file the correct way to do this or is there a better method in PHP5 for doing this? In asking this question I'm trying to answer these additional questions: How can I determine the correct approach for caching this data without doing extensive benchmarking? Does it make sense to cache these parts in different files and then join them together per requests or should I re-query the data and cache once per minute? I'm looking for a rule of thumb for planning pages and for situations where doing testing is not cost effective (The client is not paying enough for it I mean). Thanks!

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  • SDK2 query for counting: which is more efficient?

    - by user1195996
    I have an app that is displaying metrics about defects in a project. I have the option of making one query that returns all the defects, and from that I can break out about four different metrics (How many defects escaped QA in 90 days, 180 days, and then the same metrics again but only counting sev1/sev2 defects). I could make four queries and limit the results to one so that I just get a count for each. Or I could make one query that encompass them all (all defects that escaped QA in 180 days) and then count up the difference. I'm figuring worst case, the number of defects that escaped QA in the last six months will generally be less than 100, certainly less 500 worst case. Which would you do-- four queryies with one result each, or one single query that on average might return 50, perhaps worst case 500? And I guess the key question is-- where are the inflections points? Perhaps I have more metrics tomorrow (who knows, 8?) and a different average defect counts. Is there a rule of thumb I could use to help choose which approach?

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  • ajax form handling an array

    - by moata_u
    am trying to handle an array comes from php file after submitting the form data , the value of data after submitting the form is = ARRAY but i cant use this array in any way , any idea how can i handle this array !!!! Javascript : $('#file').live('change',function(){ $('#preview').html(''); $('#preview').html('<img src="loader.gif" />'); $('#data').ajaxForm(function(data){ $(data['toshow']).insertBefore('.pic_content').hide().fadeIn(1000); }).submit(); }); PHP : .... ....etc echo json_encode(array('toshow'=>somedata,'data'=>somedata)); data come from php file {"toshow":"\r\n\t\t\t\t\r\n\t\t<table class=\"out\">\r\n\t\t\t<tr ><td class=\"img\"><a title=\"2012-06-02 01-22-09\" rel=\"prettyPhoto\" href=\"img\/2012-06-02 01-22-09.284.jpg\"><img src=\"img\/thumb\/2012-06-02 01-22-09.284.jpg\"\/><\/a><\/td><\/tr>\r\n\t\t\t\r\n\t\t\t<td>\r\n\t\t\t\t<table cellSpacing=\"1\" cellPadding=\"0\">\r\n\t\t\t\t\t<tr><td class=\"data\"><span class=\"click\">2012-06-02 01-22-09<\/span><\/td><\/tr>\r\n\t\t\t\t\t<tr><td class=\"data\"><span class=\"click\">Download<\/span><\/td><\/tr>\r\n\t\t\t\t\t<tr><td class=\"data\"><a href=\"img\/2012-06-02 01-22-09.284.jpg\"><span class=\"click\">View<\/span><\/a><\/td><\/tr>\r\n\t\t\t\t<\/table>\r\n\t\t\t<\/td>\r\n\t\t\t<\/tr>\r\n\t\t<\/table>","span":"<span class='text'><img src='greencheck.png'\/>2012-06-02 01-22-09 Uploaded ,File Size =152Kb <\/span>"}

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  • IE7 li with image and text issue - Text . Almost working.

    - by jmoore111
    I'm using an unordered list. With an image to the left and text to the right. I only noticed today that IE7 was displaying this so badly that it wasn't even acceptable. Woops for not realising sooner. I have the given the image a class and the text wrapped in a seperate div. <ul> <li><a href="domain"><img src="http://www.domain.com/img.jpg" alt="img class="footer-thumb" width="40px" height="40px" /></a> <div class="recent-post-content"> <p>day date time</p> <p><a title="Content title" href="http://www.domain.com/contentitle &raquo;</a></p> </div></li></ul> What's happeninig so far is that it is perfect in every browser except in IE7 where the images are exactly where they should be but the class "recent-post-content" is all pushed up one exactly one image ([li] height) above so the last image doesn't have any text beside it and the first image ([li]) has its "recent-post-content" above it. I guess it's something simple but after getting this far on my own I thought it best to try and get some advice to fix the last little bit. Any ideas? Thanks

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  • I’m screwing up this LEFT JOIN

    - by Jason Shultz
    I'm doing a left join on several tables. What I want to happen is that it list all the businesses. Then, it looks through the photos, videos, specials and categories. IF there are photos, then the tables shows yes, if there are videos, it shows yes in the table. It does all that without any problems. Except for one thing. For every photo, it shows the business that many times. For example, if there are 5 photos in the DB for a business, it shows the business five times. Obviously, this is not what I want to happen. Can you help? function frontPageList() { $this->db->select('b.id, b.busname, b.busowner, b.webaddress, p.thumb, v.title, c.catname'); $this->db->from ('business AS b'); $this->db->where('b.featured', '1'); $this->db->join('photos AS p', 'p.busid = b.id', 'left'); $this->db->join('video AS v', 'v.busid = b.id', 'left'); $this->db->join('specials AS s', 's.busid = b.id', 'left'); $this->db->join('category As c', 'b.category = c.id', 'left'); return $this->db->get();

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  • How to click multiple instances of the same icon on a webpage? (Javascript)

    - by akd
    I want to write a script that will click every instance of a certain icon. The following code is from the source that is what I want to click on. It has a onclick event defined, I just don't know how to search the page for these icons and then click on them. Can anyone help? Thanks. <dd><a href="javascript:void(0);" onclick="RecommendItem(1,'article','6106925','1','recommendstatus_article6106925' ); return false;" onmouseover="return overlib('Give thumbs up', WRAP);" onmouseout="return nd();">&nbsp;<img class='icon' title='' alt='Thumb up' style='background-position: -304px -48px;' src='http://geekdo-images.com/images/pixel.gif' /></a></dd> <dt class='tippers'><a href="javascript://" style='color: #969600;' onclick="RecSpy( 'article', '6106925', 'tippers' ); return false;"></a></dt>

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