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  • LINQ to Entities and Business / Validation Rules

    - by Chris
    We have a requirement where we need to allow users to dynamically create custom reports that will run against our database and return sets of data. It would be something similar to this: http://www.marcuswhitworth.com/2009/12/dynamic-linq-with-expression-trees/ but would ultimately contain the ability to create more complicated logic. I believe LINQ to Entities might possibly allow us to do something like we're attempting to achieve. I should note that these reports are going to need to run against multiple tables. Can anyone point me in the right direction for something like this? Has anyone done anything similar with LINQ to Entities?

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  • how is this jquery app validating the username? (3rd party script)

    - by SarmenHB
    The tutorial that I'm trying to figure out is this: http://www.position-absolute.com/articles/jquery-form-validator-because-form-validation-is-a-mess/ The username field looks like this: <input value="" class="validate[required,custom[noSpecialCaracters],length[0,20],ajax[ajaxUser]]" type="text" name="user" id="user" /> That <input> field has a class item named ajax[ajaxUser] which has its rules contained in this script (jquery.validationEngine-en.js). The snippet for that item looks like this: "ajaxUser":{ "file":"validateUser.php", "extraData":"name=eric", "alertTextOk":"* This user is available", "alertTextLoad":"* Loading, please wait", "alertText":"* This user is already taken"}, What I can't figure out at all is how its PHP page is working which is validateUser.php. Where are all those post fields coming from? I looked around and can't find a field with those names. Thanks

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  • Question about select UITableViewCell fields

    - by Joaquin McCoy
    Hi guys, I've a custom UITableViewCell like this: +--------------------------+ | username | | | | --- <image> -- | | | | <like it> | +--------------------------+ It display an username, an image and a button "Like it" to like image. I don't want that the entire cell is selectable, I want a user can tap on "username" to see a new view that show username information. The same for image, when user tap on image, he could see the image in a new view. Now I can only select my entire cell. How can I implement something like this? Thanks. When you click on the username you'll see a view for user information. The entire cell is not selectable.

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  • jQuery UI, detect if options have been entered?

    - by Val
    does any one know how to check if the called ui (custom) has also options inputed or using the defaults? for example: $('#selector').myUI();//does not have options. $('#selector').myUI({option:'foo',{op:'bar'}});//ui has options. $('#selector').myUI('value');//ui has options. so if i was on: (function($) { $.widget("ui.myUI", { options = this.options; //check if options have been entered or the default values have been used? }) }); Hope that i am not 2 confusing :) thnks

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  • Will Apple reject my app if I do not do this?

    - by mystify
    From the documentation of UITableView / UITableViewController: If you decide to use a UIViewController subclass rather than a subclass of UITableViewController to manage a table view, you should perform a couple of the tasks mentioned above to conform to the human-interface guidelines. To clear any selection in the table view before it’s displayed, implement the viewWillAppear: method to clear the selected row (if any) by calling deselectRowAtIndexPath:animated:. After the table view has been displayed, you should flash the scroll view’s scroll indicators by sending a flashScrollIndicators message to the table view; you can do this in an override of the viewDidAppear: method of UIViewController. So lets say I do my custom stuff here and I do not flash the scroll indicator, and I do not reset the selection (which I think is wrong anyways, the user wants to know from where he came from). Will they reject it?

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  • Can AutoMapper call a method on destination for each member of collection on source?

    - by YonahW
    I have two classes as below. public class Destination { public Destination() { _StringCollection = new List<String>(); } private ICollection<String> _StringCollection; public IEnumerable<String> StringCollection { get { return _StringCollection.AsEnumerable<String>(); } } public void AddString(string str) { _StringCollection.Add(str); } } public class Source { public List<String> StringCollection { get; set; } } I would like to map that for each member of source call AddString(member) on Destination. I thought that maybe I could do something with a custom resolver but can't seem to figure out how.

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  • How can I modify input before model binding in asp.net mvc?

    - by David G
    How can I intercept submitted form input and modify it before it is bound to my model? For example, if I wanted to trim the whitespace from all text. I have tried creating a custom model binder like so: public class CustomBinder : DefaultModelBinder { protected override void SetProperty(ControllerContext controllerContext, ModelBindingContext bindingContext, PropertyDescriptor propertyDescriptor, object value) { string newValue = ((string)value).Trim(); //example code to create new value but could be anything base.SetProperty(controllerContext, bindingContext, propertyDescriptor, newValue); } } but this doesn't seem to be invoked. Is there a better place to modify the input value? Note: I need to modify the value before it is bound and validated.

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  • Approaches for Error Code/Message Management in .NET

    - by WayneC
    Looking for suggestions/best practices on managing error codes and messages in a multi-tiered applications. Specifically things like: Where should error codes be defined? Enum? Class? How are error messages or further details associated with the error codes? resource files? attributes on enum values, etc.? If you have a multi-tier application consisting of DAL, BLL, UI, and Common projects for example, should there be a single giant list of codes for all tiers, or are the codes extensible by project/tier? Update: Important to mention that I can't rely solely on Exceptions and custom Exception types for error reporting, as some clients for this application will be via web services (SOAP & REST) Any suggestions welcome!

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  • interactive login on cgi script

    - by raindrop18
    I am new for perl-cgi script. and my objective is to create user/pass interactive script to log and get information from multiple device at once. instead of add the user/pass credential on the script itself. since i am new if some one show me how to write the interactive part of the script. thanks much!!! here is the current code usr/local/bin/perl -wl use CGI ':standard'; use Net::Telnet::Cisco; ### set the error fields to nulls $selerror = ""; ### Input from the screen - make sure data was input if (param() and param('Switches') ne "" and (param('Mac') ne "" or param('Interface Description') ne "" or param('VLAN') ne "" )) { ### Put the input devices into an array. @devices = param('Switches'); ### format the header data print header(); print start_html(-title=>"ShowSwitches",-BGCOLOR=>'aqua'); print "\n",h1("<CENTER>Show Switches</CENTER>"); print "\n",hr(),"\n"; ### Go thru the device array. foreach(@devices) { $error_msg = ""; $TAC_login_error = ""; $open_error = ""; $retry_open_error = ""; $prompt_error = ""; $password_error = ""; ### Take input host and use to send to Telnet $host = $_; $session = Net::Telnet::Cisco->new(Errmode => 'return', Timeout => 30); ### Connect to the host $session->open(Host =>"$host", Timeout => 15); $open_error = $session->errmsg; ### Login with TACACS if host can be connected to if ($open_error eq "") { $session->login('USER', 'PASS'); $TAC_login_error = $session->errmsg; ### Login with TACACS failed - try standard login if ($TAC_login_error ne "") { ### Connect to host $session->open(Host =>"$host", Timeout => 15); $retry_open_error = $session->errmsg; ### Wait for password prompt - multiple matches - devices may have different device prompts. if ($retry_open_error eq "") { $session->waitfor(Match => '/Password:.*$/', Match => '/Enter password:.*$/', Timeout => 20); $prompt_error = $session->errmsg; if ($prompt_error eq "") { ### Input password $session->print('getmeout'); $password_error = $session->errmsg; $session->waitfor('/.*>$/'); $password_error = $session->errmsg; } } } } ### No errors, then issue "show commands". if ($open_error eq "" and ($TAC_login_error eq "" or $retry_open_error eq "") and $prompt_error eq "" and $password_error eq "") { ### Show Mac if (param('Mac')) { $cmd = 'sh mac'; @output = $session->cmd("$cmd"); $show_error = ""; $show_error = $session->errmsg; print "\n",h2($host . ' - ' . $cmd); if ($show_error ne "") { $error_msg = 'Error for show mac - ' . $show_error; print b($error_msg),(br); print hr(),"\n"; $error_msg = ''; } else { print pre(@output); print hr(),"\n"; } } ### Show Interface Description if (param('Interface Description')) { $cmd = 'sh interface description'; @output = $session->cmd("$cmd"); $show_error = ""; $show_error = $session->errmsg; print "\n",h2($host . ' - ' . $cmd); if ($show_error ne "") { $error_msg = 'Error for show mac - ' . $show_error; print b($error_msg),(br); print hr(),"\n"; $error_msg = ''; } else { print pre(@output); print hr(),"\n"; } } ### Show VLAN if (param('VLAN')) { $cmd = 'sh vlan'; @output = $session->cmd("$cmd"); $show_error = ""; $show_error = $session->errmsg; print "\n",h2($host . ' - ' . $cmd); if ($show_error ne "") { $error_msg = 'Error for show vlan - ' . $show_error; print b($error_msg),(br); print hr(),"\n"; $error_msg = ''; } else { print pre(@output); print hr(),"\n"; } } } elsif ($TAC_login_error ne "" and $password_error ne "") { $error_msg = "Error - $host " . $TAC_login_error . ' - possible incorrect TACACS or standard password parameters on device.'; } elsif ($open_error ne "") { $error_msg = "Error - $host " . $open_error . ' - cannot connect to host - is it down??'; } elsif ($prompt_error ne "") { $error_msg = "Error - $host " . $prompt_error . ' - password prompt not recognized - invalid TACACS (or user) password.'; } elsif ($password_error ne "") { $error_msg = "Error - $host " . $password_error . ' - possible incorrect user/password parameters on device.'; } if ($error_msg ne "" ) { print b($error_msg),(br); print hr(),"\n"; } print hr(),"\n"; print end_html(),"\n"; } } else { ### No Show command was selected. if (param('Submit') and param('Mac') eq "" and param('Interface Description') eq "" and param('VLAN') eq "" ) { $selerror = 'No Show Displays were selected. Try again please!!'; } elsif ### No switch was selected. (param('Submit') and param('Switches') eq "") { $selerror = 'No devices were selected. Try again please!!'; } ### This formats the initial Show Web page. print header(-Pragma='no-cache'), start_html(-title=>"Show Displays",-BGCOLOR=>'aqua'), h1("<CENTER>Show Switches</CENTER>"),hr(), start_form(), b("Select Show Commands:"), br(), br(), checkbox(-name=>'Mac'), checkbox(-name=>'Interface Description'), checkbox(-name=>'VLAN'), br(),br(),hr(),br(), b("Select One or More Devices:"), br(), br(), scrolling_list (-name => 'Switches', -default=> "NONE", -values => ['cs6a', 'cs7a', 'cs7b', 'cs8b', 'cs9a', 'c9b', 'csa' ], -multiple => 'true', -size => 7, ), p(submit('Submit'),reset('Reset')), b($selerror), end_form(),hr(), end_html(); } #

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  • Flex 3 - Send a HTTP Get request from Flash and want Firefox to show Open With Box.

    - by Kash
    Hi all, I am a newb developer as far as Flex and Flash is concerned. This is what I'm trying to do: 1) Send a HTTP request to our server (with a custom made URL). The URL basically tells the server to send data in a CSV format. 2) The server sends a 200 OK response, which has Content-Type: application/csv and the payload is pure CSV data. What I wish to do is, when firefox gets this 200 OK response, I want it to show the standard Open with box (the one that shows up when you download some file). I tried doing this with HTTPService. I have a "Export to CSV" button on the flash component. Upon clicking that, the flash component is able to succesfully send the HTTP request. I however don't want Flash component to handle the response, so I don't have the 's "result" tag defined. But nothing happens. Any suggestions on how to do this.

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  • How to override form just on one page?

    - by user363036
    OK so this is my hook form alter function.It is causing all the registration forms on site to be over written which I do not want as I just want it on this page. function special_registration_form_alter(&$form, $form_state, $form_id) { if ($form_id == 'user_register') { drupal_set_title(t('Custom registration')); $form['firstname'] = array('#type' = 'textfield', '#title' = t('First Name: *'), '#required' = TRUE, '#size' = 45, '#weight' = - 100,); $form['lastname'] = array('#type' = 'textfield', '#title' = t('Last Name: *'), '#required' = TRUE, '#size' = 45, '#weight' = - 99,); } I only first name and last name to be captured and stored in a different table just on this page. On other pages I just want the good old fashioned form. Do I still need to change the weight? I know I am missing something elementary.

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  • When not to use a Drupal node?

    - by stotastic
    I've recently created a very simple CRUD table where the user stores some data. For the data, I created a custom node. The functionality works great for creating, editing, and deleting data in the CRUD table using the basic node functionality (I'm actually amazed how fast and easy it was to program the basic functionality with proper access controls using only a tiny bit of code).... Since the data isn't meant to be treated the same way as 'content' such as a blog post (no title, no body, no commments, no revisions, shouldn't show up on ?q=node page, no previews, no teasers, etc)... I find that I'm spending most of my time 'turning off' and modifying the stuff that drupal does automatically for nodes. I know its a matter of taste, but where should one draw the line on what should be treated as a node and what shouldn't? In other words, would it be better to program this stuff from scratch without using nodes?

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  • Why is my UIViewController initializer never called?

    - by mystify
    I made a view-based project from a fresh template. There's a UIViewController which is created with an XIB. In the implementation I uncommented that and added an NSLog. But this is never called: // The designated initializer. Override to perform setup that is required before the view is loaded. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) { // Custom initialization NSLog(@"nib"); } return self; } since that is initialized from a nib / xib, that should be called for sure, right? however, it doesn't. I do get an NSLog message when I put that in viewDidLoad.

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  • Better performance to Query the DB or Cache small result sets?

    - by user169867
    Say I need to populate 4 or 5 dropdowns w/ items from a database. Each drop down will have < 15 items in it. These items almost never change. Now I could query the DB each time the page is accessed or I could grab the values from a custom class that would check to see if they already exist in ASP.Net's cache and only if they don't query the DB to update the cache. It's trivial for me to write but I'm unsure if the performace would be better or not. I think it would be (although not likely anything huge). What do you think?

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  • Does the `Expires` HTTP header needs to be consistent across multiple cold-cache requests?

    - by chakrit
    I'm implementing a custom web server of a kind. And am looking into adding an Expires header support. However, I'm a little unsure of how exactly to implement it. If multiple cold-cache requests are being made to the same unchanged resource on the server and the server returned different Expires header (say it uses relative time to calculate the exact value of the Expires date e.g. +6 hours from the request time), does that invalidate the cache on all the proxy servers in-between as well? Or is it impossible to happen (per the spec)? Does the Expires HTTP header needs to be consistent across multiple cold-cache requests?

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  • How to create relationship between two tables with revisions using Entity Framework

    - by Chris Ridenour
    So I am in the process of redesigning a small database (and potentially a much larger one) but want to show the value of using revisions / history of the business objects. I am switching the data from Access to MSSQL 2008. I am having a lot of internal debate on what version of "revision history" to use in the design itself - and thought I had decided to add a "RevisionId" to all tables. With this design - adding a RevisionId to all tables we would like tracked - what would be the best way to create Navigational Properties and Relationships between two tables such as | Vendor | VendorContact | where a Vendor can have multiple contacts. The Contacts themselves will be under revision. Will it require custom extensions or am I over thinking this? Thanks in advance.

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  • Selective coloring on dynamic TextBlock content in WPF

    - by user326579
    For selective coloring of static content the following suggestion works fine : http://stackoverflow.com/questions/2435880/is-it-possible-to-seletively-color-a-wrapping-textblock-in-silverlight-wpf However my content will be generated at runtime. For ex. if the Content generated is : "A Quick Brown Fox" Then I need they string "Brown" to be in color Brown and "Fox" to be in color Red The Keyword-Color list is fixed and available to me at runtime. I have looked at the Advanced TextFormatting page on MSDN, but it is too complicated for me, also the sample in there does not compile :( I am looking at creating a custom control which can do this for me. Let me know if anyone has any idea regarding how to go about this. Thanks in advance.

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  • Turning a refresh ImageView into a ProgressBar

    - by Macarse
    I am doing a custom title for my android app and I want to have a refresh button like the Twitter app. I am using a RelativeLayout an my ImageView is defined by: <ImageView android:id="@+id/title_refresh" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_menu_refresh" android:layout_alignParentRight="true"> </ImageView> In my Activity I have something like this: refreshView = (ImageView) findViewById(R.id.title_refresh); refreshView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { /* Make the refreshView turn into a progress bar. */ startService(new Intent(MyActivity.this, MyService.class)); } } I would like the ImageView to turn into a ProgressBar while I wait for my service to finish processing. How is the correct way to do this?

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  • C++ overloading virtual = operator

    - by taz
    Hello, here is the code for my question: class ICommon { public: virtual ICommon& operator=(const ICommon & p)const=0; }; class CSpecial : public ICommon { public: CSpecial& operator=(const CSpecial & cs) { //custom operations return *this; } }; CSpecial obj; Basically: I want the interface ICommon to force it's descendants to implement = operator but don't want to have any typecasts in the implementation. The compiler says "can't instantiate an abstract class. Any help/advice will be appreciated.

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  • WPF Animate a Maxtrix using interpolation

    - by Mark
    Im having a issue with my application that is using touch gestures to scale, translate and rotate my scene. I was using a TransformGroup which contained TranslateTransform, ScaleTransform and a RotateTransform but I could not get the movement correct, it always jumps and skips, so I moved to a MaxtrixTransform which I was able to use much easier to get my scene to be zoomable, rotatable and panable nicely. However, what I later found out was that you cannot animate smoothly (using interpolation) the values of a Matrix, for what reason I have no idea, but its part of the MSDN doco and the properties of the Matrix are not dependency properties anyways... Has anyone had any luck animating a maxtrix to make it smooth? The only idea(s) I have had is to animate a few different, custom DP which all have callbacks that I update the Matrix from OR To convert the Maxtix to a set of Transform object that I then animate and then afterwords convert back. Is there a smarter way to do this?

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  • Why is HttpContext.Current.Session available in HttpModule but not in Response.Filter?

    - by Abtin Forouzandeh
    I have written an HttpModule that adds a response filter. The filter is capturing page output and storing it in a session variable. I am able to access HttpContext.Current.Session in my HttpModule. The HttpModule is handling the PostAcquireRequestState event. I am still able to access HttpContext.Current.Session in the PostAcquireRequestState event. I am adding a custom stream that inherits from Stream to Response.Filter HttpContext.Current.Session is null when accessed from the Stream.Write method. Everything worked fine when using an InProc SessionState. However, I now must use StateServer. Using StateServer, the code is now broken. Any ideas?

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  • parse/collator for php

    - by dramatic
    I'm pretty much a newbie at php (at the "install an app and try to tweak it a bit" stage). Is there a tool anywhere which can take a script which is spread over many files and show you all the code which is processed (for a given set of arguments passed to the script) in a single output? For example, I want to make a call to zen cart from a script in a different language, which returns a category listing without any surrounding page. So I want to be able to trace what the actual process is to generate that then strip off all the unwanted bits to create a custom script.

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  • How can I detect 'any' ajax request being completed using jQuery?

    - by Brian Scott
    I have a page where I can insert some javascript / jquery to manipulate the output. I don't have any other control over the page markup etc. I need to add an extra element via jquery after each present on the page. The issue is that the elements are generated via an asynchronous call on the existing page which occurs after $(document).ready is complete. Essentially, I need a way of calling my jquery after the page has loaded and the subsequent ajax calls have completed. Is there a way to detect the completion of any ajax call on the page and then call my own custom function to insert the additional elements after the newly created s ?

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  • Adding global blank option to DroDownList in MVC

    - by Diegos Grace
    Is there a way of using a templated helper in mvc so that each and every select list in my project has a custom default 'Choose an option' with null value etc. The posts I have seen seem a little complex, is it possible to have a DropDownList.ascx file in shared view folder with something like this: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<IEnumerable<SelectListItem>>" %> <%= Html.DropDownList(selectlist name, selectlist value, "Choose an option")%> And then having a UIHint("DropDownList") for each dropdownlist in the ViewModel? Some guidance on syntax of parameters would be much appreciated, where name and value of the viewmodel dropdownlist plus the 'Choose an option' string are passed. Or is this all wishful thinking?

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  • Do I have to release modifications made to a GPL v2 CMS?

    - by John McCollum
    If we use a CMS that is covered by the GPL (v2), do we have to re-release the source code of the CMS if we make modifications to the core? The GPL v2 states: The GPL does not require you to release your modified version. You are free to make modifications and use them privately, without ever releasing them. This applies to organizations (including companies), too; an organization can make a modified version and use it internally without ever releasing it outside the organization. But if you release the modified version to the public in some way, the GPL requires you to make the modified source code available to the program's users, under the GPL. The grey area for me here is the part that states "if you release the modified version to the public in some way" - does displaying a website to the public count as "releasing it to the public"? What about if a custom plugin is written which integrates with the CMS - are we required to release the source? Does this count as a modification?

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