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• ASP.NET MVC 2 validation using DTOs instead of domain entities

  - by Kevin Pang

  I'm struggling to mesh two best practices together: Using DataAnnotations + ModelBinding for validation in ASP.NET MVC 2 Using DTOs instead of domain entities when passing data via the ViewModel If I want to pass over DTOs instead of domain entities, then leveraging DataAnnotations + ModelBinding for validation would require me to specify validation attributes on my DTO classes. This results in a lot of duplicated work since multiple DTOs may hold overlapping fields with the same validation restrictions. This means that any time I change a validation rule in my domain, I have to go find all DTOs that correspond with that value and update their validation attributes.

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• Control JSON Serialization format of a custom type in .NET

  - by mrjoltcola

  I have a PhoneNumber class that stores a normalized string, and I've defined implicit operators for string <- Phone to simplify treatment of the PhoneNumber as a string. I've also overridden the ToString() method to always return the cleaned version of the number (no hyphens or parentheses or spaces). In any MVC.NET code where I explicitly display the number, I can explicitly call phone.Format(). The problem here is serializing an entity that has a PhoneNumber to JSON; JavaScriptSerializer serializes it as [object Object]. I want to serialize it as a string in (555)555-5555 format. I've looked at writing a custom JavaScriptConverter, but JavaScriptConverter.Serialize() method returns a dictionary of name-value pairs. I don't want PhoneNumber to be treated as an object with fields, I want to simply serialize it as a string.

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• Where can I download a free, text-rich dataset?

  - by blee

  I want to do a bit of lightweight testing and bench-marking for full-text search, so the dataset should have the qualities: 10,000 - 100,000 records. good dispersion of English words. In CSV or Excel format--i.e. I don't want to access it via API. Something like books or movies with title and description fields would be perfect. I browsed the UCI Machine Learning Repo, but it was too number-oriented. Thanks!

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• Multi page forms on ASP.NET MVC

  - by Jay

  Hi, I have decided to use ASP.NET MVC to develop multi page (registration) forms in asp.net. There will be two buttons on each page that allows the user to navigate to the previous and next page. When the user navigates back to a page they recently filled out, the data should be displayed to them. I understand ASP.NET MVC should remain stateless but how should I maintain page information when the user navigates back and forth. Should I? Save the information to a database and retrieve information for each page change? save information to the session? Load all the fields and display only whats's needed with javascript? This registration form is going to be used in multiple sites but with different sets of questions (Some may be the same). IF performance is a main concern, should I avoid generating these forms dynamically? Jay

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• BlackBerry - Custom centered cyclic HorizontalFieldManager

  - by Hezi

  Trying to create a custom cyclical horizontal manager which will work as follows. It will control several field buttons where the buttons will always be positioned so that the focused button will be in the middle of the screen. As it is a cyclical manager once the focus moves to the right or left button, it will move to the center of the screen and all the buttons will move accordingly (and the last button will become the first to give it an cyclic and endless list feeling) Any idea how to address this? I tried doing this by implementing a custom manager which aligns the buttons according to the required layout. Each time moveFocus() is called I remove all fields (deleteAll() ) and add them again in the right order. Unfortunately this does not work.

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• Sharepoint and Cross-Site Lookup

  - by Mina Samy

  Hi all I have this scenario I want to build two sharepoint 2007 sites. One for customers info and the other for products and customers orders. Now the problem is that in the second site I need to reference the customers info from the first site but unfortunately sharepoint doesnot provide out of the box cross-site lookup. I did some search and found custom cross-site fields and used one but when I upgraded the site to sharepoint 2010 this custom field was not compatible and the upgrade wizard said it could not be upgraded. so what is the solution for this ? is it to merge the two sites so that I can use the standard lookup feature or is there any workaround for this ? please if any body has faced such a scenario, share the solution with me ? thanks

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• Errorprovider shows error on using windows close button(X)

  - by Pankaj Kumar

  Hi guys, Is there any way to turn the damned error provider off when i try to close the form using the windows close button(X). It fires the validation and the user has to fill all the fields before he can close the form..this will be a usability issue because many tend to close the form using the (X) button. i have placed a button for cancel with causes validation to false and it also fires a validation. i found someone saying that if you use Form.Close() function validations are run... how can i get past this annoying feature. i have a MDI sturucture and show the form using CreateExam.MdiParent = Me CreateExam.Show() on the mdi parent's menuitem click and have this as set validation Private Sub TextBox1_Validating(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles TextBox1.Validating If String.IsNullOrEmpty(TextBox1.Text) Then Err.SetError(TextBox1, "required") e.Cancel = True End If If TextBox1.Text.Contains("'") Then Err.SetError(TextBox1, "Invalid Char") e.Cancel = True End If End Sub Any help is much appreciated. googling only showed results where users were having problem using a command button as close button and that too is causing problem in my case

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• CakePHP: find neighbors, order on 'name' or 'order'

  - by Brelsnok

  Hi, I have a list of ordered items, ordered according to the int field order. I'm creating a gallery in CakePHP 1.2 that has a prev and next button and those should link to the previous and next item according to their ordering, not according to their id. In order to get this result I've included the 'order' parameter to the find function, and populated it with 'Item.order'=>'DESC'. Still the result is an id ordered list. My question is: what do I do wrong? My controller: $this->Item->id = 16; $neighbours = $this->Item->find('neighbors', array('order'=>array('Item.order'=>'DESC'), 'fields'=>array('id','name')));

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• Deny Switching to Tabpage in a tabcontrol

  - by Maneesh

  I have a form(C#) with a tab control and its has around five tab pages. each of the tab have a few textboxes. 1) if a User is in say Tab A and edits certain fields i need to validate the text enetered if found invalid then i should not allow any tab switch ? is that possible? 2) Another case could be ... user edits some values and clicks on another tab, on doing so i need to check if the values that were enetered for Tab A is correct or not ? can i do this? I am a novice to C#... so may be these questions sound very basic any help will be appreciated. also i want to know what are these events of a tab page Leave, validated or validating ?

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• Django - model.save(commit=False - Is there a way to replicate this?

  - by orokusaki

  I'm wanting to do this: from django.contrib.auth.models import User class PetFrog(models.Model): user = models.OnetoOneField(User) color = models.CharField(max_length=20) def clean(self): if self.color == 'Green': user = User(username='prince') user.save(commit=False) # No commit argument in models.Model.save() like there is in ModelForm.save() user.set_password(self.password) user.save() self.user = user Is there a way to do this creation of a model instance without filling in all the required fields, and then setting them manually before trying to save() for real (which would obviously raise a "Must choose a Password" error)? I need to do this in my model, vs using a ModelForm. If there is another way to do it (while still in clean()), I'm completely open to any suggestions.

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• Performing both client side and server side validation using jQuery and CodeIgniter

  - by Vasu

  What is the right way of doing both client side and server side validation using jQuery and CodeIgniter? I am using the jQuery form plugin for form submit. I would like to use jQuery validation plugin (http://docs.jquery.com/Plugins/Validation) for client side validation and CodeIgniter form validation on the server side. However the two don't seem to gel together (or I am unable to get my head around it). Can someone help please? Whether its a client side validation or server side validation, the user should see consistent UI displaying error messages next to the input fields.

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• Reading custom values in Ebay RSS feed (XML::RSS module)

  - by munster

  I've spent entirely way too long trying to figure this out. I'm using XML:RSS and Perl to read / parse an Ebay RSS feed. Within the area, I see these entries: 1395 1255 However, I can't figure out how to grab the details during the loop. I wrote a regex to grab them: @current_price = $item =~ m/\(\d+)\<\/rx\:CurrentPrice/g; which works if you place the above 'CurrentPrice' entry into a standalone string, but not while the script is reading through the RSS feed. I can grab most of the information I want out of the item-description area (# bids, auction end time, BIN price, thumbnail image, etc), but it would be nicer if I could grab the info from the feed without me having to deal with grabbing all that information manually. If anybody knows how to grab custom fields from an RSS feed (short of writing regexes to parse the entire feed w/o a module), any help / insight would be appreciated.

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• Datamining on a mysql database

  - by sliptix

  Hello, I Begin with textmining. I have two database tables with thousands of data.. a table for "skills" and a table for "skills categories" every "skill" belongs to a skills categorie. a "skill" is , physicaly, a varchar(200) field in the database, where there is some text describing the skill. Here are some skills extracted from the skills table: "PHP (good level), Java (intermediaite), C++" "PHP5" "project management and quality management" "begining Javascript" "water engineering" "dfsdf zerze rzer" "cibling customers" what i want to do is to extract knowledge from those fields, i mean extract only the real skill and ignore the rest of useless text. for the above example i want to get only an array with: "PHP" "Java" "C++" "PHP5" "project management" "quality management" "Javascript" "water engineering" "cibling customers" what should i do to extract the skills from tons of data please ? do you know specific algorithms to do this ? ex : k-means ... ? Thanks in advance.

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• Sharepoint listsService.updateList method clarification

  - by cyrix86

  I've seen an example here: msdn but it's a little confusing. So if I have a list definition with a field called "CustomField" and I want to update the "ShowField" attribute of this field to be true then I would do this: XmlNode listNode = listService.GetList("MyList"); string version = listNode.Attributes["Version"].Value; string guid = listNode.Attributes["Name"].Value; XmlDocument xmlDoc = new XmlDocument(); XmlElement updateFields = xmlDoc.CreateElement("Fields"); string fieldXml = @"<Method ID="1"><Field Name="CustomField" ShowField="true" /></Method>"; updateFields.InnerXml = fieldXml; XmlNode result = listService.UpdateList(guid, null, null, updateFields, null, version); I'm confused because it would seem that you would need to provide a field element to indicate what field to update and then a value element to specify the new value. Could someone clarify this please?

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• MVC4 bundling GZIP and headers

  - by plurby

  I'm testing my site with Google PageSpeed and YSlow and the bundles that i've created with MVC4 bundles aren't getting Gzipped (Compressing resources with gzip or deflate can reduce the number of bytes sent over the network) and there is no Vary: Accept-Encoding header (Instructs proxy servers to cache two versions of the resource: one compressed, and one uncompressed. This helps avoid issues with public proxies that do not detect the presence of a Content-Encoding header properly.) And also how can i add encoding header for the whole scripts folder on the ISS. I know there is HTTP Response Headers, then Add Custom HTTP Response Header, but will this work on the whole scripts folders and subfolders and what to put in the Name and Value fields. How can this be solved. Regards.

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• Stop a custom submit button from firing the form validation on a CCK form

  - by kidrobot

  I've added a submit button inside a fieldgroup on a CCK form using hook_form_alter as follows: function mymodule_form_alter(&$form, $form_state, $form_id) { if ($form_id == 'object_node_form') { $form['group_wikipedia']['search'] = array( '#type' => 'submit', '#value' => t('Search Wikipedia'), '#name' => 'searchwiki', '#submit' => array('mymodule_searchwiki_submit'), ); } } When I press the button, the validation handlers for the full form eg. checks for required fields, run as though I have pressed the 'Submit' button at the end of the form. I thought that changing the #name property from 'op' to 'searchwiki' would prevent this kind of mix-up, but not so. Does anyone know a workaround for this?

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• Drupal Views Multiple values being returned when using a relationship

  - by Linda

  I am having a problem with views. I have a view and am passing it a taxonomy term by name to it. I then have a relationship to a related node. For my output fields I am returning the related Title and related Body. I however have duplicates in my results. I have turned distinct to yes but believe this is working on the nodes being return and not the related node. Any ideas how I can remove the duplicates?

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• Use sed to replace first 8 and last 4 pipes on every line in a file

  - by Dan Watling

  Here's the situation, I have a text file that is pipe-delimited and one of fields contains pipe characters. I already have a sed script that will change it to be tab-delimited, but the problem is it's terribly slow. It will replace the first occurrence of a pipe 8 times, then replace the last occurrence of a pipe 4 times. I'm hoping there's a quicker way to do what I need. Any thoughts would be appreciated. Here's my current sed script: sed 's/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/\(.*\)|/\t/;s/\(.*\)|/\t/;s/\(.*\)|/\t/;s/\(.*\)|/\t/' $1 > $1.tab Thanks, -Dan

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• Removing non-alphanumeric characters in an Access Field.

  - by Jacques Tardie

  I need to remove hyphens from a string in a large number of access fields. What's the best way to go about doing this? Currently, the entries are follow this general format: 2010-54-1 2010-56-1 etc. I'm trying to run append queries off of this field, but I'm always getting validation errors causing the query to fail. I think the cause of this failure is the hypens in the entries, which is why I need to remove them. I've googled, and I see that there are a number of formatting guides using vbscript, but I'm not sure how I can integrate vb into Access. It's new to me :) Thanks in advance, Jacques

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• JAXB: @XmlTransient on third-party or external super class

  - by Phil

  Hi, I need some help regarding the following issue with JAXB 2.1. Sample: I've created a SpecialPerson class that extends a abstract class Person. Now I want to transform my object structure into a XML schema using JAXB. Thereby I don't want the Person XML type to appear in my XML schema to keep the schema simple. Instead I want the fields of the Person class to appear in the SpecialPerson XML type. Normally I would add the annotation @XmlTransient on class level into the Person code. The problem is that Person is a third-party class and I have no possibility to add @XmlTransient here. How can I tell JAXB that it should ignore the Person class without annotating the class. Is it possible to configure this externally somehow? Have you had the same problem before? Any ideas what the best solution for this problem would be?

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• ASP.NEt MVC 2 Client validation function in Ajax form

  - by user295541

  Hello, My problem is the following: I'm using client validation function of the MVC 2.0 framework. Everything is nice, when I use the validation in a simple form. But when I use an Ajax form, and I update the fields of the ajax form. After the client validation dosen't work. Exactly: the ajax postback is not fired, but the validation message is not shown. I think about, I have to refresh the validation after the ajax call but I dont know how I should do it. Anybody can help me?

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• Pros/Cons of document based database vs relational database

  - by damian

  I've been trying to see if I can accomplish some requirements with a document based database, in this case CouchDB. Two generic requirements: CRUD of entities with some fields which have unique index on it ecommerce web app like eBay (better description here). And I'm begining to think that a Document-based database isn't the best choice to address these requirements. Furthermore, I can´t imagine a use for a Document based database (maybe my imagination is too little). Can you explain me if I am asking pears to an elm when I try to use a Document based database for this requirements?

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• Excel / VB - How do I loop through each row/column and do formatting based on the value?

  - by Johnny 5

  Here's what I need to do: 1) Loop through every cell in a worksheet 2) Make formatting changes (bold, etc) to fields relative to each field based on the value What I mean is that if a field has a value of "foo", I want to make the field that is (-1, -3) from it bold, etc. I tried to do this with the following script with no luck. Thanks Johnny Pseudo Code to Explain: For Each Cell in WorkSheet If Value of Cell is 'Subtotal' Make the cell 2 cells to the left and 1 cell up from here bold and underlined End If End ForEach The Failed Macro (I don't really know VB at all): Sub Macro2() ' ' ' Dim rnArea As Range Dim rnCell As Range Set rnArea = Range("J1:J2000") For Each rnCell In rnArea With rnCell If Not IsError(rnCell.Value) Then Select Case .Value Case "000 Total" ActiveCell.Offset(-1, -3).Select ActiveCell.Font.Underline = XlUnderlineStyle.xlUnderlineStyleSingleAccounting End Select End If End With Next End Sub

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• Method may fail to close stream on exception

  - by 01

  I get the critical error with finbugs The method creates an IO stream object, does not assign it to any fields, pass it to other methods, or return it, and does not appear to close it on all possible exception paths out of the method. This may result in a file descriptor leak. It is generally a good idea to use a finally block to ensure that streams are closed. try { ... stdError = new BufferedReader(new InputStreamReader(p.getErrorStream())); ... } catch (IOException e) { throw new RuntimeException(e); } finally { try { if (stdInput != null) { stdInput.close(); } if (stdError != null) { stdError.close(); } } catch (IOException e) { throw new RuntimeException(e); } } do i need to close also InputStreamReader or p.getErrorStream(it returns InputStream) ??

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• Combining a one-to-one relationship into one object in Fluent NHibernate

  - by Mike C.

  I have a one-to-one relationship in my database, and I'd like to just combine that into one object in Fluent NHibernate. The specific tables I am talking about are the aspnet_Users and aspnet_Membership tables from the default ASP.NET Membership implementation. I'd like to combine those into one simple User object and only get the fields I want. I would also like to make this read-only, as I want to use the built-in ASP.NET Membership API to modify. I simply want to take advantage of lazy-loading. Any help would be appreciated. Thanks!

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