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• Styling an Input Field

  - by John

  Hello When I try to alter the CSS for the input field named "title" below, which is classed by "submissionfield", the position changes, but the height, length, and font of the field do not change. How could I make the height of the input field "title" 22 px, the length 550 px, and the font Times New Roman? The CSS below does not do it. Thanks in advance, John echo '<form action="http://www...com/.../submit2.php" method="post"> <input type="hidden" value="'.$_SESSION['loginid'].'" name="uid"> <div class="submissiontitle"><label for="title">Story Title:</label></div> <div class="submissionfield"><input name="title" type="title" id="title" maxlength="1000"></div> <div class="urltitle"><label for="url">Link:</label></div> <div class="urlfield"><input name="url" type="url" id="url" maxlength="500"></div> <div class="submissionbutton"><input name="submit" type="submit" value="Submit"></div> </form> '; The CSS: .submissiontitle { position:absolute; width:100px; left:30px; top:200px; text-align: left; margin-bottom:3px; padding:0px; font-family:Arial, Helvetica, sans-serif; font-size: 12px; color:#000000; } .submissionfield { position:absolute; width:550px; left:50px; top:230px; text-align: left; margin-bottom:3px; padding:0px; font-family: "Times New Roman", Times, serif; font-size: 22px; color:#000000; } .urltitle { position:absolute; width:250px; left:30px; top:300px; text-align: left; margin-bottom:3px; padding:0px; font-family:Arial, Helvetica, sans-serif; font-size: 12px; color:#000000; } .urlfield { position:absolute; width:550px; left:30px; top:330px; text-align: left; margin-bottom:3px; padding:0px; font-family:Arial, Helvetica, sans-serif; font-size: 11px; color:#000000; } .submissionbutton { position:absolute; width:250px; left:30px; top:380px; text-align: left; margin-bottom:3px; padding:0px; font-family:Arial, Helvetica, sans-serif; font-size: 11px; color:#000000; } .submittitle { position:absolute; width:250px; left:30px; top:150px; text-align: left; margin-bottom:3px; padding:0px; font-family:Arial, Helvetica, sans-serif; font-size: 12px; color:#000000; }

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• How would you structure your entity model for storing arbitrary key/value data with different data t

  - by Nathan Ridley

  I keep coming across scenarios where it will be useful to store a set of arbitrary data in a table using a per-row key/value model, rather than a rigid column/field model. The problem is, I want to store the values with their correct data type rather than converting everything to a string. This means I have to choose either a single table with multiple nullable columns, one for each data type, or a set of value tables, one for each data type. I'm also unsure as to whether I should use full third normal form and separate the keys into a separate table, referencing them via a foreign key from the value table(s), or if it would be better to keep things simple and store the string keys in the value table(s) and accept the duplication of strings. Old/bad: This solution makes adding additional values a pain in a fluid environment because the table needs to be modified regularly. MyTable ============================ ID Key1 Key2 Key3 int int string date ---------------------------- 1 Value1 Value2 Value3 2 Value4 Value5 Value6 Single Table Solution This solution allows simplicity via a single table. The querying code still needs to check for nulls to determine which data type the field is storing. A check constraint is probably also required to ensure only one of the value fields contains non-nulll data. DataValues ============================================================= ID RecordID Key IntValue StringValue DateValue int int string int string date ------------------------------------------------------------- 1 1 Key1 Value1 NULL NULL 2 1 Key2 NULL Value2 NULL 3 1 Key3 NULL NULL Value3 4 2 Key1 Value4 NULL NULL 5 2 Key2 NULL Value5 NULL 6 2 Key3 NULL NULL Value6 Multiple-Table Solution This solution allows for more concise purposing of each table, though the code needs to know the data type in advance as it needs to query a different table for each data type. Indexing is probably simpler and more efficient because there are less columns that need indexing. IntegerValues =============================== ID RecordID Key Value int int string int ------------------------------- 1 1 Key1 Value1 2 2 Key1 Value4 StringValues =============================== ID RecordID Key Value int int string string ------------------------------- 1 1 Key2 Value2 2 2 Key2 Value5 DateValues =============================== ID RecordID Key Value int int string date ------------------------------- 1 1 Key3 Value3 2 2 Key3 Value6 How do you approach this problem? Which solution is better? Also, should the key column be separated into a separate table and referenced via a foreign key or be should it be kept in the value table and bulk updated if for some reason the key name changes?

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• UIView to Form Sheet flip animation rotation issue

  - by GSD

  I have this view to form sheet flip animation that works great in portrait mode but not in any other orientations. In my code, I use it with a UIView embedded in another UIView, which is in the root view. The animation will be rotated. Anyone has an idea why? - (void)presentModalViewControllerWithFlipAnimation:(UIViewController *)modalViewController fromView:(UIView *)fromView { UIWindow* window = [[UIApplication sharedApplication] windows][0]; _fromViewSnapshot = [[UIImageView alloc] initWithFrame:fromView.bounds]; UIGraphicsBeginImageContext(fromView.bounds.size); [fromView.layer renderInContext:UIGraphicsGetCurrentContext()]; [_fromViewSnapshot setImage:UIGraphicsGetImageFromCurrentImageContext()]; [_fromViewSnapshot sizeToFit]; UIGraphicsEndImageContext(); _fromViewSnapshot.autoresizesSubviews = YES; _fromViewSnapshot.frame = [fromView.superview convertRect:fromView.frame toView:window]; [window addSubview:_fromViewSnapshot]; fromView.hidden = YES; modalViewController.modalPresentationStyle = UIModalPresentationFormSheet; [self presentViewController:modalViewController animated:NO completion:nil]; UIView __weak *presentedView = modalViewController.view.superview; UIGraphicsBeginImageContext(presentedView.bounds.size); [presentedView.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage* modalSnapshot = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); UIView __weak *presentationSuperview = presentedView.superview; [presentedView removeFromSuperview]; UIImageView* presentationSnapshotView = [[UIImageView alloc] initWithImage:modalSnapshot]; presentationSnapshotView.autoresizingMask = UIViewAutoresizingNone; [_fromViewSnapshot.superview bringSubviewToFront:_fromViewSnapshot]; [UIView animateWithDuration:kFlipAnimationScaleSpeed delay:0 options:UIViewAnimationOptionCurveEaseIn|UIViewAnimationOptionBeginFromCurrentState animations: ^{ [UIView animateWithDuration:kFlipAnimationScaleSpeed delay:0 options:UIViewAnimationOptionBeginFromCurrentState animations: ^{ _fromViewSnapshot.frame = [_fromViewSnapshot.superview convertRect:presentedView.frame fromView:presentationSuperview]; } completion:nil]; } completion:^(BOOL finished) { [UIView setAnimationBeginsFromCurrentState:YES]; [UIView transitionWithView:_fromViewSnapshot duration:kFlipAnimationSpeed options:UIViewAnimationOptionCurveEaseIn|UIViewAnimationOptionTransitionFlipFromRight animations: ^{ presentationSnapshotView.frame = _fromViewSnapshot.bounds; [_fromViewSnapshot addSubview:presentationSnapshotView]; } completion:^(BOOL finished) { [presentationSuperview addSubview:presentedView]; [presentationSnapshotView removeFromSuperview]; [_fromViewSnapshot removeFromSuperview]; }]; }]; } - (void)dismissViewControllerWithFlipAnimation:(UIView*)fromView completion:(void (^)(void))completion { UIWindow* window = [[UIApplication sharedApplication] windows][0]; UIView __weak *presentedView = self.presentedViewController.view.superview; UIGraphicsBeginImageContext(presentedView.bounds.size); [presentedView.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage* modalSnapshot = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); [presentedView removeFromSuperview]; UIImageView* presentationSnapshotView = [[UIImageView alloc] initWithImage:modalSnapshot]; presentationSnapshotView.autoresizingMask = UIViewAutoresizingNone; presentationSnapshotView.frame = presentedView.frame; [window addSubview:presentationSnapshotView]; [UIView animateWithDuration:kFlipAnimationScaleSpeed delay:0 options:UIViewAnimationOptionCurveEaseIn|UIViewAnimationOptionBeginFromCurrentState animations: ^{ [UIView animateWithDuration:kFlipAnimationScaleSpeed delay:0 options:UIViewAnimationOptionBeginFromCurrentState animations: ^{ presentationSnapshotView.frame = [fromView.superview convertRect:fromView.frame toView:window]; } completion:nil]; } completion:^(BOOL finished) { [UIView setAnimationBeginsFromCurrentState:YES]; [UIView transitionWithView:presentationSnapshotView duration:kFlipAnimationSpeed options:UIViewAnimationOptionCurveEaseIn|UIViewAnimationOptionTransitionFlipFromLeft animations: ^{ _fromViewSnapshot.frame = presentationSnapshotView.bounds; [presentationSnapshotView setImage:[(UIImageView*)_fromViewSnapshot image]]; [self dismissViewControllerAnimated:NO completion:nil]; } completion:^(BOOL finished) { [presentationSnapshotView removeFromSuperview]; _fromViewSnapshot = nil; completion(); }]; }]; }

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• showing error on uploading a big file using php

  - by user1489969

  I have created a php code to display the upload option to upload multiple files as below: <?php $f_id= $_GET["id"]; ?> <title>Upload File</title> <form enctype="multipart/form-data" method="post" action="upload_hal_mult.php?id=<?php echo $f_id;?>" > <input type="hidden" name="MAX_FILE_SIZE" value="10000000"> <input id="infile" type="file" name="infile[]" multiple="true" /> <input type="submit" value="upload" name="file_uploaded" / > <br> <br> </form> So this will call "upload_hal_mult.php" when "upload" button is clicked. And the code for that is as follows: <title>Upload Results</title> <?php define("MAX_SIZE",10000000); $f_id= $_GET["id"]; $dir_name="dir_hal_".$f_id; $u=0; if (!is_dir($dir_name)) mkdir($dir_name); $dir=$dir_name."/"; $file_realname = $_FILES['infile']['name']; for ($i = 0; $i < count($_FILES['infile']['name']); $i++) { $ext = substr(strrchr($_FILES['infile']['name'][$i], "."), 1); $fname = substr($_FILES['infile']['name'][$i],0,strpos($_FILES['infile']['name'][$i], ".")); $fPath = $fname."_(".substr(md5(rand() * time()),0,4).")".".$ext"; echo "files size=".$_FILES["infile"]["size"][$i]."\n"; if($_FILES["infile"]["size"][$i]>MAX_SIZE) echo('File uploaded exceeds maximum upload size.'); if(($_FILES['infile']['error'][i]==0) && move_uploaded_file($_FILES['infile']['tmp_name'][$i], $dir . $fPath)) { $u=$u+1; ?> <!--<script type="text/javascript">setTimeout("window.close();", 1300);</script>--> <?php echo "Upload is successful\n"; } else echo "if stmt failed so error \n"; } if($u!=count($_FILES['infile']['name'])) echo "Error"; else echo "count is correct"; ?> This upload works correctly for files of size<10MB. But for files of size10MB, it's not echoing 'File uploaded exceeds maximum upload size.' as expected. Its also not uploading the file of size10MB. But the $u gets incremented. But none of the statements like "Upload is successful" or "if stmt failed so error" are being echoed as well. However the statement "count is correct" is being displayed, and this shows the $u got incremented somehow even though the echo statements didnt work! Can someone please point out the error I am doing here? I thought its simply a matter of 'if/else' statements but it seems more than that to me. Please help me out if you have any clue. Thanks

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• Should I create a unique clustered index, or non-unique clustered index on this SQL 2005 table?

  - by Bremer

  I have a table storing millions of rows. It looks something like this: Table_Docs ID, Bigint (Identity col) OutputFileID, int Sequence, int …(many other fields) We find ourselves in a situation where the developer who designed it made the OutputFileID the clustered index. It is not unique. There can be thousands of records with this ID. It has no benefit to any processes using this table, so we plan to remove it. The question, is what to change it to… I have two candidates, the ID identity column is a natural choice. However, we have a process which does a lot of update commands on this table, and it uses the Sequence to do so. The Sequence is non-unique. Most records only contain one, but about 20% can have two or more records with the same Sequence. The INSERT app is a VB6 piece of crud throwing thousands insert commands at the table. The Inserted values are never in any particular order. So the Sequence of one insert may be 12345, and the next could be 12245. I know that this could cause SQL to move a lot of data to keep the clustered index in order. However, the Sequence of the inserts are generally close to being in order. All inserts would take place at the end of the clustered table. Eg: I have 5 million records with Sequence spanning 1 to 5 million. The INSERT app will be inserting sequence’s at the end of that range at any given time. Reordering of the data should be minimal (tens of thousands of records at most). Now, the UPDATE app is our .NET star. It does all UPDATES on the Sequence column. “Update Table_Docs Set Feild1=This, Field2=That…WHERE Sequence =12345” – hundreds of thousands of these a day. The UPDATES are completely and totally, random, touching all points of the table. All other processes are simply doing SELECT’s on this (Web pages). Regular indexes cover those. So my question is, what’s better….a unique clustered index on the ID column, benefiting the INSERT app, or a non-unique clustered index on the Sequence, benefiting the UPDATE app?

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• What web platform is right for me?

  - by egervari

  I've been looking at web frameworks like Rails, Grails, etc. I'm used to doing applications in Spring Framework with Hibernate... and I want something more productive. One of the things I realized is that while some of the things in Grails is sexy, there are some serious problems with it. Grails' controllers: 1) are implemented awfully. They don't seem to be able to extend from super classes at runtime. I tried this to add base actions and helper methods, and this seems to cause grails to blow up. 2) are based on an obsolete request parameters model (rather than form backing objects, which are much nicer). 3) are hard to test. Command objects are treated totally differently... and it's actually MUCH harder to write the test than it is to write the controller code. 4) Command objects operate totally differently. They are pre-validated and bound, which causes a lot of inconsistencies than basic parameter model. 5) Command objects are not reusable, and it's a pain in the rear to reuse most of the stuff from the domain classes, like constraints and fields. This is TRIVIAL to do in basic Spring. Why the hell was it not trivial to do in Grails? 6) The scaffolding that is generated is pure crap. It doesn't generalize inserts and updates... and it actually copy/pastes a pile of code in two views: create.gsp and edit.gsp. The views themselves are gargantuan piles of doggie do-do. This is further compounded by the fact that it uses low-level parameters and not objects. Integration tests are 30x slower than a Spring integration test. It is disgusting. Some mocking tests are so hard to write and aren't guaranteed to work when it's deployed, that I think it discourages fast, tdd test cycles. Most things seem to screw up grails while it's running, like adding a taglib, or anything really. The server restart problem wasn't solved at all. I'm starting to think going with Spring/Hibernate/Java is the only way to go. While there is a pretty big cost at startup, I know it'll eventually smooth out. It sucks I can't use a language like Scala... because idiomatically, it is so incompatible with Hibernate. This app is also not a run-of-the-mill UI over a database. It's got some of that, but it's not going to be a slouch. I am deathly scared of Grails now because of how crap it is in the Controller layer. Suggestions on what I can do?

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• jQuery - Sorting an array?

  - by Probocop

  Hi, I'm using Ajax to get some XML, and then filling in some fields on a form with the results. There is a numerical field on the form and I would like to sort the results by this number (highest first). How would I go about doing this in jQuery? My js function code is currently: function linkCounts() { ws_url = "http://archreport.epiphanydev2.co.uk/worker.php?query=linkcounts&domain="+$('#hidden_the_domain').val(); $.ajax({ type: "GET", url: ws_url, dataType: "xml", success: function(xmlIn){ results = xmlIn.getElementsByTagName("URL"); for ( var i = 0; i < results.length; i++ ) { $("#tb_domain_linkcount_url_"+(i+1)).val($(results[i].getElementsByTagName("Page")).text()); $("#tb_domain_linkcount_num_"+(i+1)).val($(results[i].getElementsByTagName("Links")).text()); } $('#img_linkcount_worked').attr("src","/images/worked.jpg"); }, error: function(){$('#img_linkcount_worked').attr("src","/images/failed.jpg");} }); } The Links tag is the one I'm wanting to sort it on. Thanks For reference the XML that's getting returned is like the following: <?xml version="1.0" encoding="utf-8" standalone="yes"?> <Response> <ResponseCode>1</ResponseCode> <ResponseStatus>OK</ResponseStatus> <ReportId>2</ReportId> <UrlChecked /> <MaxLinks>75</MaxLinks> <PagesFound>121</PagesFound> <URLs> <URL> <Page>http://www.epiphanysolutions.co.uk/blog</Page> <Links>78</Links> </URL> <URL> <Page>http://www.epiphanysolutions.co.uk/blog/</Page> <Links>78</Links> </URL> <URL> <Page>http://www.epiphanysolutions.co.uk/blog/author/daniel-peden/</Page> <Links>78</Links> </URL> <URL> <Page>http://www.epiphanysolutions.co.uk/blog/author/daniel-peden/page/2/</Page> <Links>78</Links> </URL> </URLS> </Response>

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• Sidebar with CSS3 transform

  - by Malcoda

  Goal I'm working on a collapsible sidebar using jQuery for animation. I would like to have vertical text on the sidebar that acts as a label and can swap on the animateOut/animateIn effect. Normally I would use an image of the text that I've simply swapped vertically, and switch it out on animation, but with CSS3 transforms I'd like to get it to work instead. Problem The problem I'm facing is that setting the height on my rotated container makes it expand horizontally (as it's rotated 90deg) so that doesn't work. I then tried to set the width (hoping it would expand vertically, acting as height), but that has an odd effect of causing the width of my parent container to expand as well. Fix? Anyone know why this happens and also what the fix/workaround could be without setting max-widths and overflow: hidden? I've got a fairly good understanding of both html elements behavior and css3, but this is stumping me. Live Example Here's a fiddle that demonstrates my problem: Fiddle The collapse-pane class is what I have rotated and contains the span I have my text inside. You'll notice it has a width set, that widens the border, but also affects the parent container. The code: CSS: .right-panel{ position:fixed; right:0; top:0; bottom:0; border:1px solid #ccc; background-color:#efefef; } .collapse-pane{ margin-top:50px; width:30px; border:1px solid #999; cursor:pointer; /* Safari */ -webkit-transform: rotate(-90deg); /* Firefox */ -moz-transform: rotate(-90deg); /* IE */ -ms-transform: rotate(-90deg); /* Opera */ -o-transform: rotate(-90deg); /* Internet Explorer */ filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3); } .collapse-pane span{ padding:5px; } HTML <div class="right-panel"> <div class="collapse-pane"> <span class="expand">Expand</span> </div> <div style="width:0;" class="panel-body"> <div style="display:none;" class="panel-body-inner"> adsfasdfasdf </div> </div> </div> JavaScript (Thought not really relevant) $(document).ready(function(){ var height = $(".right-panel").height(); $(".collapse-pane").css({marginTop: height/2 - 20}); $('.collapse-pane').click(function(){ if($(".collapse-pane span").html() == "Expand"){ $(".panel-body").animate({width:200}, 400); $(".panel-body-inner").fadeIn(500); $(".collapse-pane span").html("Collapse"); }else{ $(".panel-body").animate({width:00}, 400); $(".panel-body-inner").fadeOut(300); $(".collapse-pane span").html("Expand"); } }); }); I hope this was clear... Thanks for any help!

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• ocjective-c Obtain return value from public method

  - by Felix

  I'm pretty new to objective-C (and C in general) and iPhone development and am coming from the java island, so there are some fundamentals that are quite tough to learn for me. I'm diving right into iOS5 and want to use storyboards. For now I am trying to setup a list in a UITableViewController that will be filled with values returned by a web service in the future. For now, I just want to generate some mock objects and show their names in the list to be able to proceed. Coming from java, my first approach would be to create a new Class that provides a global accessible method to generate some objects for my list: #import <Foundation/Foundation.h> @interface MockObjectGenerator : NSObject +(NSMutableArray *) createAndGetMockProjects; @end Implementation is... #import "MockObjectGenerator.h" // Custom object with some fields #import "Project.h" @implementation MockObjectGenerator + (NSMutableArray *) createAndGetMockObjects { NSMutableArray *mockProjects = [NSMutableArray alloc]; Project *project1 = [Project alloc]; Project *project2 = [Project alloc]; Project *project3 = [Project alloc]; project1.name = @"Project 1"; project2.name = @"Project 2"; project3.name = @"Project 3"; [mockProjects addObject:project1]; [mockProjects addObject:project2]; [mockProjects addObject:project3]; } And here is my ProjectTable.h that is supposed to control my ListView #import <UIKit/UIKit.h> @interface ProjectsTable : UITableViewController @property (strong, nonatomic) NSMutableArray *projectsList; @end And finally ProjectTable.m #import "ProjectsTable.h" #import "Project.h" #import "MockObjectGenerator.h" @interface ProjectsTable { @synthesize projectsList = _projectsList; -(id)initWithStyle:(UITableViewStyle:style { self = [super initWithStyle:style]; if (self) { _projectsList = [[MockObjectGenerator createAndGetMockObjects] copy]; } return self; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // only one section for all return 1; - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { NSLog(@"%d entries in list", _projectsList.count); return _projectsList.count; - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { // the identifier of the lists prototype cell is set to this string value static NSString *CellIdentifier = @"projectCell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; Project *project = [_projectsList objectAtIndex:indexPath.row]; cell.textLabel.text = project.name } So while I think everything is correctly set, I expect the tableView to show my three mock objects in its rows. But it stays empty and the NSLog method prints "0 entries in list" into the console. So what am I doing wrong? Any help is appreciated. Best regards Felix

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• Form submit in javascript

  - by zac

  Hi been wrestling this form and the last step (actually submitting) has me scratching my head. What I have so far is the form: <form id="theForm" method='post' name="emailForm"> <table border="0" cellspacing="2"> <td>Email <span class="red">*</span></td><td><input type='text'class="validate[required,custom[email]]" size="30"></td></tr> <td>First Name:</td><td><input type='text' name='email[first]' id='first_name' size=30></td></tr> <tr height="30"> <td cellpadding="4">Last Name:</td><td><input type='text' name='email[last]' id='e_last_name' size=30> <td>Birthday</td> <td><select name='month' style='width:70px; margin-right: 10px'> <option value=''>Month</option> <option value="1">Jan</option> <option value="2">Feb</option> .... </select><select name='day' style='width:55px; margin-right: 10px'> <option value=''>Day</option> <option value="1">1</option> <option value="2">2</option> ... <option value="31">31</option> </select><select name='year' style='width:60px;' > <option value=''>Year</option> <option value="2007">2007</option> <option value="2006">2006</option> <option value="2005">2005</option> ... </select> <input type='image' src='{{skin url=""}}images/email/signUpButt.gif' value='Submit' onClick="return checkAge()" /> <input type="hidden" id= "under13" name="under13" value="No"> and a script that checks the age and sets a cookie/changes display function checkAge() { var min_age = 13; var year = parseInt(document.forms["emailForm"]["year"].value); var month = parseInt(document.forms["emailForm"]["month"].value) - 1; var day = parseInt(document.forms["emailForm"]["day"].value); var theirDate = new Date((year + min_age), month, day); var today = new Date; if ( (today.getTime() - theirDate.getTime()) < 0) { var el = document.getElementById('emailBox'); if(el){ el.className += el.className ? ' youngOne' : 'youngOne'; } document.getElementById('emailBox').innerHTML = "<style type=\"text/css\">.formError {display:none}</style><p>Good Bye</p><p>You must be 13 years of age to sign up.</p>"; createCookie('age','not13',0) return false; } else { createCookie('age','over13',0) return true; }} that all seems to be working well.. just missing kind of a crucial step of actually submitting the form if it validates (if they pass the age question). So I am thinking that this will be wrapped in that script.. something in here : else { createCookie('age','over13',0) return true; } Can someone please help me figure out how I could handle this submit?

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• jquery validation plugin doesn't seem to work ....

  - by Pandiya Chendur

  asp.net mvc's Html.BeginForm() seems to work with jquery validation plugin but the validation plugin doesn't seem to work with a form which i ve added to a page.... This works, <% using (Html.BeginForm("Login", "Registration", FormMethod.Post, new { id = "Loginform" })) {%> <fieldset> <legend>Login</legend> <p> <label for="EmailId">EmailId:</label> <%= Html.TextBox("EmailId", null, new { @class = "text_box_height_14_width_150" })%> </p> <div class="status"></div> <p> <label for="Password">Password:</label> <%= Html.Password("Password",null, new { @class = "text_box_height_14_width_150" }) %> </p> <div class="status"></div> <p> <input type="submit" value="Login" id="login" /> </p> </fieldset> <% } %> But this doesn't work, <form id="Loginform" method="post" action="Registration/Login"> <table cellpadding="0" cellspacing="0" width="100%" style="border:none;"> <tr> <td width="12%">Email Id&nbsp;:&nbsp;</td><td width="15%"> <input id="EmailId" type="text" class="text_box_height_14_width_150 name="EmailId" /></td><td width="20%" class="status"></td> <td width="12%">Password&nbsp;:&nbsp;<td width="15%"><input id="Password" type="password" class="text_box_height_14_width_150 name="Password" /></td> <td width="20%" class="status"></td> <td width="5%"><input type="submit" value="Login" id="BtnLogin" /></td> </tr> </table> </form> and my jquery function has this, $(document).ready(function() { var validator = $("#Loginform").validate({ rules: { EmailId: "required", Password: { required: true, minlength: 6 } }, messages: { EmailId: "Enter your EMail ID", Password: { required: "Please Provide a password", rangelength: jQuery.format("Enter at least {0} characters") } }, // the errorPlacement has to take the table layout into account errorPlacement: function(error, element) { error.appendTo(element.parent().next()); }, // set this class to error-labels to indicate valid fields success: function(label) { // set &nbsp; as text for IE label.html("&nbsp;").addClass("checked"); } }); }); Any suggestion... Am i missing something?

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• Javascript/Jquery Super Scrollorama Navigation Issues

  - by Rosencruez

  On a Wordpress site I am currently working on, my client wanted the different sections of the front page to slide up from the bottom and cover up the previous section, like a wipe or slide transition. Using super scrollorama found here: http://johnpolacek.github.com/superscrollorama/, I managed to achieve the desired result. Next, I needed to create a navigation menu on the front page only. I did so, and set anchors at various different points on the pages. I also used the scrollTo library for scolling animations when I click the nav menu links. However, there are a number of problems I have encountered: When at the top and I click "showcase", it brings me down to the showcase section, but the products section (the div right after it) is overlapping it. Other divs seems to have the same problem of the following divs overlapping the current one I can only navigate forwards. When I try to go backwards, it won't (except for "Home") I thought it might have something to do with the CSS "top" property of the divs, so I tried resetting them every time the click function kicked in, but it didn't work. So I removed it for the time being. Currently set the javascript to prevent the default action of scrolling to the anchors and instead setting it to scroll to the actual divs themselves. However, I'm still having the same issues. Here is the site I am currently working on: http://breathe.simalam.ca/ Here is the javascript for the scrolling: $(document).ready(function() { jQuery('.home-link').click(function(e){ e.preventDefault(); jQuery(window).scrollTo(0, 1000, {queue:true}); }); jQuery('.showcase-link').click(function(e){ e.preventDefault(); jQuery(window).scrollTo('#showcase_content', 1000, {queue:true}); }); jQuery('.products-link').click(function(e){ e.preventDefault(); jQuery(window).scrollTo('#products_content', 1000, {queue:true}); }); jQuery('.about-link').click(function(e){ e.preventDefault(); jQuery(window).scrollTo('#about_content', 1000, {queue:true}); }); jQuery('.locator-link').click(function(e){ e.preventDefault(); jQuery(window).scrollTo('#locator_content', 1000, {queue:true}); }); jQuery('.contact-link').click(function(e){ e.preventDefault(); jQuery(window).scrollTo('#contact_content', 1000, {queue:true}); }); }); scrollorama code: $(document).ready(function() { $('#wrapper').css('display','block'); var controller = $.superscrollorama(); var pinDur = 4000; /* set duration of pin scroll in pixels */ // create animation timeline for pinned element var pinAnimations = new TimelineLite(); pinAnimations .append([ TweenMax.to($('#showcase'), .5, {css:{top:0}}) ], .5) .append([ TweenMax.to($('#products'), .5, {css:{top:0}}) ], .5) .append([ TweenMax.to($('#about'), .5, {css:{top:0}}) ], .5) .append([ TweenMax.to($('#locator'), .5, {css:{top:0}}) ], .5) .append([ TweenMax.to($('#contact'), .5, {css:{top:0}}) ], .5) .append(TweenMax.to($('#pin-frame-unpin'), .5, {css:{top:'100px'}})); controller.pin($('#examples-pin'), pinDur, { anim:pinAnimations, onPin: function() { $('#examples-pin').css('height','100%'); }, onUnpin: function() { $('#examples-pin').css('height','2000px'); } }); }); All of the section divs are inside a parent div. The section divs all have a height, width, and top of 100%. The parent div containing all of these section divs are as follows: #examples-pin { position: relative; /* relative positioning for transitions to work? */ width: 101%; /* max width */ height: 2000px; /* height of 2000px for now */ overflow: hidden; /* hide the overflow for transitions to work */ margin-bottom: -200px; /* negative bottom margin */ }

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• Linked lists in Java - help with assignment

  - by user368241

  Representation of a string in linked lists In every intersection in the list there will be 3 fields : The letter itself. The number of times it appears consecutively. A pointer to the next intersection in the list. The following class CharNode represents a intersection in the list : public class CharNode { private char _data; private int _value; private charNode _next; public CharNode (char c, int val, charNode n) { _data = c; _value = val; _next = n; } public charNode getNext() { return _next; } public void setNext (charNode node) { _next = node; } public int getValue() { return _value; } public void setValue (int v) { value = v; } public char getData() { return _data; } public void setData (char c) { _data = c; } } The class StringList represents the whole list : public class StringList { private charNode _head; public StringList() { _head = null; } public StringList (CharNode node) { _head = node; } } Add methods to the class StringList according to the details : (I will add methods gradually according to my specific questions) (Pay attention, these are methods from the class String and we want to fulfill them by the representation of a string by a list as explained above) public int indexOf (int ch) - returns the index in the string it is operated on of the first appeareance of the char "ch". If the char "ch" doesn't appear in the string, returns -1. If the value of fromIndex isn't in the range, returns -1. Pay attention to all the possible error cases. Write what is the time complexity and space complexity of every method that you wrote. Make sure the methods you wrote are effective. It is NOT allowed to use ready classes of Java. It is NOT allowed to move to string and use string operations. Here is my try to write the method indexOf (int ch). Kindly assist me with fixing the bugs so I can move on. public int indexOf (int ch) { int count = 0; charNode pose = _head; if (pose == null ) { return -1; } for (pose = _head; pose!=null && pose.getNext()!='ch'; pose = pose.getNext()) { count++; } if (pose!=null) return count; else return -1; }

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• input field placeholder in jQuery

  - by Hristo

  I'm trying to create a Login page, not worrying about actually logging in yet, but I'm trying to achieve the effect where there is some faded text inside the input field and when you click on it, the text disappears or if you click away the text reappears. I have this working for my "Username" input field, but the "Password" field is giving me problems because I can't just do $("#password").attr("type","password"). Here's my code: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <!-- Links --> <link rel="stylesheet" type="text/css" href="style.css" /> <!-- Scripts --> <script type="text/javascript" src="jQuery.js"></script> <script> // document script $(document).ready(function(){ // login box event handler $('#login').click(function(){ $('.loginBox').animate({ height: '150px' }, '1000' ); $('#username').show(); // add pw placeholder field $('#password').after('<input type="text" id="placeHolder" value="Password" class="placeHolder" />'); $('#password').hide(); }); // username field focus and blur event handlers $('#username').focus(function() { if($(this).hasClass('placeHolder')){ $(this).val(''); $(this).removeClass('placeHolder'); } }); $('#username').blur(function() { if($(this).val() == '') { $(this).val('Username'); $(this).addClass('placeHolder'); } }); // password field focus and blur event handlers $('#placeHolder').focus(function() { $('#placeHolder').hide(); $('#password').show(); $('#password').focus(); }); $('#password').blur(function() { if($('#password').val() == '') { $('#placeHolder').show(); $('#password').hide(); } }); }); </script> </head> <body> <div id="loginBox" class="loginBox"> <a id="login">Proceed to Login</a><br /> <div id="loginForm"> <form> <input type="text" id="username" class="placeHolder" value="Username" /> <input type="password" id="password" class="placeHolder" value="" /> </form> </div> </div> </body> </html> Right now, I can click on the password input box and type in it, but the text is not disappearing and the "type" doesn't get set to "password"... the new input field I create isn't being hidden, it just stays visible, and I'm not sure where the problem is. Any ideas? Thanks, Hristo

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• Akka framework support for finding duplicate messages

  - by scala_is_awesome

  I'm trying to build a high-performance distributed system with Akka and Scala. If a message requesting an expensive (and side-effect-free) computation arrives, and the exact same computation has already been requested before, I want to avoid computing the result again. If the computation requested previously has already completed and the result is available, I can cache it and re-use it. However, the time window in which duplicate computation can be requested may be arbitrarily small. e.g. I could get a thousand or a million messages requesting the same expensive computation at the same instant for all practical purposes. There is a commercial product called Gigaspaces that supposedly handles this situation. However there seems to be no framework support for dealing with duplicate work requests in Akka at the moment. Given that the Akka framework already has access to all the messages being routed through the framework, it seems that a framework solution could make a lot of sense here. Here is what I am proposing for the Akka framework to do: 1. Create a trait to indicate a type of messages (say, "ExpensiveComputation" or something similar) that are to be subject to the following caching approach. 2. Smartly (hashing etc.) identify identical messages received by (the same or different) actors within a user-configurable time window. Other options: select a maximum buffer size of memory to be used for this purpose, subject to (say LRU) replacement etc. Akka can also choose to cache only the results of messages that were expensive to process; the messages that took very little time to process can be re-processed again if needed; no need to waste precious buffer space caching them and their results. 3. When identical messages (received within that time window, possibly "at the same time instant") are identified, avoid unnecessary duplicate computations. The framework would do this automatically, and essentially, the duplicate messages would never get received by a new actor for processing; they would silently vanish and the result from processing it once (whether that computation was already done in the past, or ongoing right then) would get sent to all appropriate recipients (immediately if already available, and upon completion of the computation if not). Note that messages should be considered identical even if the "reply" fields are different, as long as the semantics/computations they represent are identical in every other respect. Also note that the computation should be purely functional, i.e. free from side-effects, for the caching optimization suggested to work and not change the program semantics at all. If what I am suggesting is not compatible with the Akka way of doing things, and/or if you see some strong reasons why this is a very bad idea, please let me know. Thanks, Is Awesome, Scala

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• Routing error when trying to use same view for update and create flows (Rails 3)

  - by Jamis Charles

  My overall use case: I have a Listing model that has many images. The Listing detail page lists all the fields that can be updated inline (through ajax). I want to be able to use the same view for both update listing and create new listing. My listing controller looks as follows: def detail @listing = Listing.find(params[:id]) @image = Image.new #should this link somewhere else? respond_to do |format| format.html # show.html.erb format.xml { render :xml => @listing } end end def create # create a new listing and save it immediately. Assign it to guest, with a status of "draft" @listing = Listing.new(:price_id => 1) # Default price id # save it to db # TODO add validation that it has to have a price ID, on record creation. So the view doesn't break. @listing.save @image = Image.new # redirect_to "/listings/detail/@listing.id" #this didn't work respond_to do |format| format.html # show.html.erb format.xml { render :xml => @listing } end end The PROBLEM I'm using a partial that shows the same form for the create view and the detail view. This works perfectly except for one thing: When I pull up http://0.0.0.0:3000/listings/detail/7, it works perfectly. When I pull up http://0.0.0.0:3000/listings/new, I get the following error: Showing /Applications/MAMP/htdocs/rails_testing/feedbackd/app/views/listings/_edit_form.html.erb where line #100 raised: No route matches {:action="show", :controller="images"} Extracted source (around line #100): 97: <!-- Form for new images --> 98: <div class="span-20 append-bottom"> 99: <!-- <%# form_for :image, @image, :url => image_path, :html => { :multipart => true } do |f| %> --> 100: <%= form_for @image, :url => image_path, :html => { :multipart => true } do |f| %> 101: <%= f.text_field :description %><br /> 102: <%= f.file_field :photo %> 103: <%= submit_tag "Upload" %> What I think the issue is: When I upload a new image (I'm using Paperclip), it requires the listing_id to create the image record. Since the listing_id isn't passed in with listings/new it can't find the listing_id. How can I pass in the id? Via a redirect? What's the best way to solve this? Thank you.

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• CSS optimization - extra classes in dom or preprocessor-repetitive styling in css file?

  - by anna.mi

  I'm starting on a fairly large project and I'm considering the option of using LESS for pre-processing my css. the useful thing about LESS is that you can define a mixin that contains for example: .border-radius(@radius) { -webkit-border-radius: @radius; -moz-border-radius: @radius; -o-border-radius: @radius; -ms-border-radius: @radius; border-radius: @radius; } and then use it in a class declaration as .rounded-div { .border-radius(10px); } to get the outputted css as: .rounded-div { -webkit-border-radius: 10px; -moz-border-radius: 10px; -o-border-radius: 10px; -ms-border-radius: 10px; border-radius: 10px; } this is extremely useful in the case of browser prefixes. However this same concept could be used to encapsulate commonly-used css, for example: .column-container { overflow: hidden; display: block; width: 100%; } .column(@width) { float: left; width: @width; } and then use this mixin whenever i need columns in my design: .my-column-outer { .column-container(); background: red; } .my-column-inner { .column(50%); font-color: yellow; } (of course, using the preprocessor we could easily expand this to be much more useful, eg. pass the number of columns and the container width as variables and have LESS determine the width of each column depending on the number of columns and container width!) the problem with this is that when compliled, my final css file would have 100 such declarations, copy&pasted, making the file huge and bloated and repetitive. The alternative to this would be to use a grid system which has predefined classes for each column-layout option, eg .c-50 ( with a "float: left; width:50%;" definition ), .c-33, .c-25 to accomodate for a 2-column, 3-column and 4-column layout and then use these classes to my dom. i really mislike the idea of the extra classes, from experience it results to bloated dom (creating extra divs just to attach the grid classes to). Also the most basic tutorial for html/css would tell you that the dom should be separated from the styling - grid classes are styling related! to me, its the same as attaching a "border-radius-10" class to the .rounded-div example above! on the other hand, the large css file that would result from the repetitive code is also a disadvantage so i guess my question is, which one would you recommend? and which do you use? and, which solution is best for optimization? apart from the larger file size, has there even been any research on whether browser renders multiple classes faster than a large css file, or the other way round? tnx! i'd love to hear your opinion!

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• jQuery + Dialog Form Validation

  - by Panther24

  Hi, I have a jQuery Dialog form and on submit I'm trying to validate the fields. I'm using http://docs.jquery.com/Plugins/Validation to validate. In this I'm facing an issue, the validate function is not being called. I'm posting some snippet of my code $("#register-dialog-form").dialog({ autoOpen: false, height: 350, width: 450, modal: true, buttons: { 'Register': function() { $("#registerFrm").validate({ rules: { accountid: "required", name: { required: true, minlength: 5 }, username: { required: true, minlength: 5 }, password: { required: true, minlength: 5 } }, messages: { firstname: "Please enter your firstname", accountid: "Please enter the lastname", name: "Please enter a user friendly name", username: { required: "Please enter a username", minlength: jQuery.format("Enter at least {0} characters") }, password: { required: "Please provide a password", minlength: jQuery.format("Password must be at least {0} characters long") } } }); //****************** //TODO: Need to submit my form here //****************** $(this).dialog('close'); }, Cancel: function() { $(this).dialog('close'); } }, close: function() { //$('registerFrm').clearForm(); } }); Can someone please tell me what I'm doing wrong here. I've also tried to put the validation into $(document).ready(function() {}, but with no success. Here is the html code <div id="register-dialog-form" title="Register Account - Master" align="center" style="display: none"> <s:form name="registerFrm" id="registerFrm" action="registermaster" method="POST"> <table width="90%" border="0" class="ui-widget"> <tr> <td> <s:textfield label="Account Id" name="accountid" id="accountid" cssClass="text ui-widget-content ui-corner-all" /> </td> </tr> <tr> <td> <s:textfield label="Name" name="name" id="name" cssClass="text ui-widget-content ui-corner-all" /> </td> </tr> <tr> <td> <s:textfield label="Username" name="username" id="username" cssClass="text ui-widget-content ui-corner-all" /> </td> </tr> <tr> <td> <s:password label="Password" name="password" id="password" cssClass="text ui-widget-content ui-corner-all" /> </td> </tr> </table> </s:form> </div><!--End of RegisterAcc form-->

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• Insert Registration Data in MySQL using PHP

  - by J M 4

  I may not be asking this in the best way possible but i will try my hardest. Thank you ahead of time for your help: I am creating an enrollment website which allows an individual OR manager to enroll for medical testing services for professional athletes. I will NOT be using the site as a query DB which anybody can view information stored within the database. The information is instead simply stored, and passed along in a CSV format to our network provider so they can use as needed after the fact. There are two possible scenarios: Scenario 1 - Individual Enrollment If an individual athlete chooses to enroll him/herself, they enter their personal information, submit their payment information (credit/bank account) for processing, and their information is stored in an online database as Athlete1. Scenario 2 - Manager Enrollment If a manager chooses to enroll several athletes he manages/ promotes for, he enters his personal information, then enters the personal information for each athlete he wishes to pay for (name, address, ssn, dob, etc), then submits payment information for ALL athletes he is enrolling. This number can range from 1 single athlete, up to 20 athletes per single enrollment (he can return and complete a follow up enrollment for additional athletes). Initially, I was building the database to house ALL information regardless of enrollment type in a single table which housed over 400 columns (think 20 athletes with over 10 fields per athlete such as name, dob, ssn, etc). Now that I think about it more, I believe create multiple tables (manager(s), athlete(s)) may be a better idea here but still not quite sure how to go about it for the following very important reasons: Issue 1 If I list the manager as the parent table, I am afraid the individual enrolling athlete will not show up in the primary table and will not be included in the overall registration file which needs to be sent on to the network providers. Issue 2 All athletes being enrolled by a manager are being stored in SESSION as F1FirstName, F2FirstName where F1 and F2 relate to the id of the fighter. I am not sure technically speaking how to store multiple pieces of information within the same table under separate rows using PHP. For example, all athleteswill have a first name. The very basic theory of what i am trying to do is: If number_of_athletes 1, store F1FirstName in row 1, column 1 of Table "Athletes"; store F1LastName in row 1, column 2 of Table "Athletes"; store F2FirstName in row 2, column 1 of Table "Athletes"; store F2LastName in row 2, column 2 of table "Athletes"; Does this make sense? I know this question is very long and probably difficult so i appreciate the guidance.

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• current_user.user_type_id = @employer ID

  - by sscirrus

  I am building a system with a User model (authenticated using AuthLogic) and three user types in three models: one of these models is Employer. Each of these three models has_many :users, :as = :authenticable. I start by having a new visitor to the site create their own 'User' record with username, password, which user type they are, etc. Upon creation, the user is sent to the 'new' action for one of the three models. So, if they tell us they are an employer, we redirect_to :controller = "employers, :action = "new". Question: When the employer has submitted, I want to set the current_user.user_type_id equal to the employer ID. This should be simple... but it's not working. # Employers Controller / new def new @employer = Employer.new 1.times {@employer.addresses.build} render :layout => 'forms' end # Employers Controller / create def create @employer = Employer.new(params[:employer]) if @employer.save if current_user.blank? redirect_to :controller => "users", :action => "new" else current_user.user_type_id = @employer.id current_user.user_type = "Employer" redirect_to :action => "home", :id => current_user.user_type_id end else render :action => "new" end end ------UPDATE------ Hi guys. In response: I am using this table structure because each of my three user type models have lots of different fields and each has different relationships to the other models, which is why I've avoided STI. By 1.times (@employer.addresses.build) I'm connecting the employer model to the address polymorphic table in one form, so I'm asking the controller to build a new address to go along with the new employer. Averell: you mentioned encapsulating... something in the model using a 'setter' method. I have no idea what you mean by this - could you please explain how this works (or direct me to an example elsewhere)? With tsdbrown's answer I have managed to create the behavior I want... if there's a more elegant way to accomplish the same thing I'd love to learn how. Thanks very much. Thanks to tsdbrown for answering the current_user.save problem!

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• Can I mix declarative and programmatic layout in GWT 2.0?

  - by stuff22

  I'm trying to redo an existing panel that I made before GWT 2.0 was released. The panel has a few text fields and a scrollable panel below in a VerticalPanel. What I'd like to do is to make the scrollable panel with UIBinder and then add that to a VerticalPanel Below is an example I created to illustrate this: public class ScrollTablePanel extends ResizeComposite{ interface Binder extends UiBinder<Widget, ScrollTablePanel > { } private static Binder uiBinder = GWT.create(Binder.class); @UiField FlexTable table1; @UiField FlexTable table2; public Test2() { initWidget(uiBinder.createAndBindUi(this)); table1.setText(0, 0, "testing 1"); table1.setText(0, 1, "testing 2"); table1.setText(0, 2, "testing 3"); table2.setText(0, 0, "testing 1"); table2.setText(0, 1, "testing 2"); table2.setText(0, 2, "testing 3"); table2.setText(1, 0, "testing 4"); table2.setText(1, 1, "testing 5"); table2.setText(1, 2, "testing 6"); } } then the xml: <ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder' xmlns:g='urn:import:com.google.gwt.user.client.ui' xmlns:mail='urn:import:com.test.scrollpaneltest'> <g:DockLayoutPanel unit='EM'> <g:north size="2"> <g:FlexTable ui:field="table1"></g:FlexTable> </g:north> <g:center> <g:ScrollPanel> <g:FlexTable ui:field="table2"></g:FlexTable> </g:ScrollPanel> </g:center> </g:DockLayoutPanel> </ui:UiBinder> Then do something like this in the EntryPoint: public void onModuleLoad() { VerticalPanel vp = new VerticalPanel(); vp.add(new ScrollTablePanel()); vp.add(new Label("dummy label text")); vp.setWidth("100%"); RootLayoutPanel.get().add(vp); } But when I add the ScrollTablePanel to the VerticalPanel, only the first FlexTable (test1) is visible on the page, not the whole ScrollTablePanel. Is there a way to make this work where it is possible to mix declarative and programmatic layout in GWT 2.0?

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• Handle property change event listeners (lots of them) more elegantly (dictionary?)

  - by no9

  hELLO ! Here i have a simple class example with three fields of type class B and some other stuff. As you can see im listening on every child object change. Since i could need alot of properties of type class B i wonder if there is a way of shrinking the code. Creating a listener + a method for each seems like i will have ALOT of code. How would i fix this ... using a dictionary or something similar? I have been told that IoC could fix this, but im not sure where to start. public class A : INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; public int _id; public int Id { get { return _id; } set { if (_id == value) { return; } _id = value; OnPropertyChanged("Id"); } } public string _name; public string Name { get { return _name; } set { if (_name == value) { return; } _name = value; OnPropertyChanged("Name"); } } public B _firstB; public B FirstB { get { return _firstB; } set { if (_firstB == value) { return; } if (_firstB != null) { FirstB.PropertyChanged -= firstObjectB_Listener; } _firstB = value; if (_firstB != null) FirstB.PropertyChanged += new PropertyChangedEventHandler(firstObjectB_Listener); OnPropertyChanged("FirstB"); } } public B _secondB; public B SecondB { get { return _secondB; } set { if (_secondB == value) { return; } if (_secondB != null) { FirstB.PropertyChanged -= secondObjectB_Listener; } _secondB = value; if (_secondB != null) SecondB.PropertyChanged += new PropertyChangedEventHandler(secondObjectB_Listener); OnPropertyChanged("FirstB"); } } public B _thirdB; public B ThirdB { get { return _thirdB; } set { if (_thirdB == value) { return; } if (_thirdB != null) { ThirdB.PropertyChanged -= thirdObjectB_Listener; } _thirdB = value; if (_thirdB != null) ThirdB.PropertyChanged += new PropertyChangedEventHandler(thirdObjectB_Listener); OnPropertyChanged("ThirdB"); } } protected void OnPropertyChanged(string name) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(name)); } } void firstObjectB_Listener(object sender, PropertyChangedEventArgs e) { Console.WriteLine("Object A has found a change of " + e.PropertyName + " on first object B"); } void secondObjectB_Listener(object sender, PropertyChangedEventArgs e) { Console.WriteLine("Object A has found a change of " + e.PropertyName + " on second object B"); } void thirdObjectB_Listener(object sender, PropertyChangedEventArgs e) { Console.WriteLine("Object A has found a change of " + e.PropertyName + " on third object B"); } }

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• C++ SQLDriverConnect API

  - by harshalkreddy

  Hi, I am using visual studio 2008 and sql server 2008 for developing application(SQL server is in my system). I need to fetch some fields from the database. I am using the SQLDriverConnect API to connect to the database. If I use the "SQL_DRIVER_PROMPT" I will get pop window to select the data source. I don't want this window to appear. As per my understanding this window will appear if we provide insufficient information in the connection string. I think I have provided all the information. I am trying to connect with windows authentication. I tried different options but still no luck. Please help me in solving this problem. Below is the code that I am using: //******************************************************************************** // SQLDriverConnect_ref.cpp // compile with: odbc32.lib user32.lib #include <windows.h> #include <sqlext.h> int main() { SQLHENV henv; SQLHDBC hdbc; SQLHSTMT hstmt; SQLRETURN retcode; SQLWCHAR OutConnStr[255]; SQLSMALLINT OutConnStrLen; SQLCHAR ConnStrIn[255] = "DRIVER={SQL Server};SERVER=(local);DSN=MyDSN;DATABASE=MyDatabase;Trusted_Connection=yes;"; //SQLWCHAR *ConntStr =(SQLWCHAR *) "DRIVER={SQL Server};DSN=MyDSN;"; HWND desktopHandle = GetDesktopWindow(); // desktop's window handle // Allocate environment handle retcode = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv); // Set the ODBC version environment attribute if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { retcode = SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER*)SQL_OV_ODBC3, 0); // Allocate connection handle if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { retcode = SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc); // Set login timeout to 5 seconds if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { SQLSetConnectAttr(hdbc, SQL_LOGIN_TIMEOUT, (SQLPOINTER)5, 0); retcode = SQLDriverConnect( // SQL_NULL_HDBC hdbc, desktopHandle, (SQLWCHAR *)ConnStrIn, SQL_NTS, OutConnStr, 255, &OutConnStrLen, SQL_DRIVER_NOPROMPT); // Allocate statement handle if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { retcode = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt); // Process data if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { SQLFreeHandle(SQL_HANDLE_STMT, hstmt); } SQLDisconnect(hdbc); } SQLFreeHandle(SQL_HANDLE_DBC, hdbc); } } SQLFreeHandle(SQL_HANDLE_ENV, henv); } } //******************************************************************************** Thanks in advance, Harsha

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• jQuery encoding values differently than expected for jQuery.ajax data elements

  - by Adam Tuttle

  I'm using jQuery.ajax() to make a PUT request to a REST web service, but seeing some really strange serialization behavior. (Before you say it: Yes, I know that not all browsers support PUT -- this is just an example implementation for an api/framework, and ultimately will not be called by a browser, but rather by a server-side library that does support the extra http verbs.) Here's the form: <form action="/example/api/artist" method="put" id="update"> First Name: <input type="text" name="firstname" /><br/> Last Name: <input type="text" name="lastname" /><br/> Address: <input type="text" name="address" /><br/> City: <input type="text" name="city" /><br/> State: <input type="text" name="state" /><br/> Postal Code: <input type="text" name="postalcode" /><br/> Email: <input type="text" name="email" /><br/> Phone: <input type="text" name="phone" /><br/> Fax: <input type="text" name="fax" /><br/> Password: <input type="text" name="thepassword" /><br/> <input type="hidden" name="debug" value="true" /> <input type="submit" value="Update Artist" /> <input type="reset" value="Cancel" id="updateCancel" /> </form> And the JS: $("#update").submit(function(e){ e.preventDefault(); var frm = $(this); $.ajax({ url: frm.attr('action'), data:{ firstname: $("#update input[name=firstname]").val(), lastname: $("#update input[name=lastname]").val(), address: $("#update input[name=address]").val(), city: $("#update input[name=city]").val(), state: $("#update input[name=state]").val(), postalcode: $("#update input[name=postalcode]").val(), email: $("#update input[name=email]").val(), phone: $("#update input[name=phone]").val(), fax: $("#update input[name=fax]").val(), thepassword: $("#update input[name=thepassword]").val() }, type: frm.attr('method'), dataType: "json", contentType: "application/json", success: function (data, textStatus, xhr){ console.log(data); reloadData(); }, error: function (xhr, textStatus, err){ console.log(textStatus); console.log(err); } }); }); When using FireBug, I see the request go through as this: firstname=Austin&lastname=Weber&address=25463+Main+Street%2C+Suite+C&city=Berkeley&state=CA&postalcode=94707-4513&email=austin%40life.com&phone=555-513-4318&fax=510-513-4888&thepassword=nopolyes That's not horrible, but ideally I'd rather get %20 instead of + for spaces. I tried wrapping each field value lookup in an escape: firstname: escape($("#update input[name=firstname]").val()) But that makes things worse: firstname=Austin&lastname=Weber&address=25463%2520Main%2520Street%252C%2520Suite%2520C&city=Berkeley&state=CA&postalcode=94707-4513&email=austin%40life.com&phone=555-513-4318&fax=510-513-4888&thepassword=nopolyes In this case, the value is being escaped twice; so first the space is encoded to %20, and then the % sign is escaped to %25 resulting in the %2520 for spaces, and %252C for the comma in the address field. What am I doing wrong here?

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• PHP Form - Empty input enter this text - Validation

  - by James Skelton

  No doubt very simple question for someone with php knowledge. I have a form with a datepicker, all is fine when a user has selected a date the email is send with: Date: 2012 04 10 But i would like if the user has skipped this and left blank (as i have not made this required) to send as: Date: Not Entered (<-- Or something) Instead at the minute of course it reads: Date: Form input <input type="text" class="form-control" id="datepicker" name="datepicker" size="50" value="Date Of Wedding" /> This is the validator $(document).ready(function(){ //validation contact form $('#submit').click(function(event){ event.preventDefault(); var fname = $('#name').val(); var validInput = new RegExp(/^[a-zA-Z0-9\s]+$/); var email = $('#email').val(); var validEmail = new RegExp(/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/); var message = $('#message').val(); if(fname==''){ showError('<div class="alert alert-danger">Please enter your name.</div>', $('#name')); $('#name').addClass('required'); return;} if(!validInput.test(fname)){ showError('<div class="alert alert-danger">Please enter a valid name.</div>', $('#name')); $('#name').addClass('required'); return;} if(email==''){ showError('<div class="alert alert-danger">Please enter an email address.</div>', $('#email')); $('#email').addClass('required'); return;} if(!validEmail.test(email)){ showError('<div class="alert alert-danger">Please enter a valid email.</div>', $('#email')); $('#email').addClass('required'); return;} if(message==''){ showError('<div class="alert alert-danger">Please enter a message.</div>', $('#message')); $('#message').addClass('required'); return;} // setup some local variables var request; var form = $(this).closest('form'); // serialize the data in the form var serializedData = form.serialize(); // fire off the request to /contact.php request = $.ajax({ url: "contact.php", type: "post", data: serializedData }); // callback handler that will be called on success request.done(function (response, textStatus, jqXHR){ $('.contactWrap').show( 'slow' ).fadeIn("slow").html(' <div class="alert alert-success centered"><h3>Thank you! Your message has been sent.</h3></div> '); }); // callback handler that will be called on failure request.fail(function (jqXHR, textStatus, errorThrown){ // log the error to the console console.error( "The following error occured: "+ textStatus, errorThrown ); }); }); //remove 'required' class and hide error $('input, textarea').keyup( function(event){ if($(this).hasClass('required')){ $(this).removeClass('required'); $('.error').hide("slow").fadeOut("slow"); } }); // show error showError = function (error, target){ $('.error').removeClass('hidden').show("slow").fadeIn("slow").html(error); $('.error').data('target', target); $(target).focus(); console.log(target); console.log(error); return; } });

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