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• How to show validation messages in MVC?

  - by Ian Boyd

  When a user tries to click:        Save and they have entered in some invalid data, i want to notify them. This can be with methods such as: directing their attention to the thing that needs their attention with a balloon hint automatically dropping down a combo-box triggering an animation showing a modal dialog box etc What is the mechanism where a controller tells the view to show a validation message for some controls, given that different views have different notification methods? p.s. the controller doesn't know the order that controls are physically arranged in the view (e.g. LTR locale wants to notify the user in a top-down-left-to-right visual order, while RTL locale wants to notify the user in a bottom-up-right-to-left order)

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• C# WinForms & SQL bindings

  - by vent

  I have a MSSQL database with many tables and relations. I want to bind it to my C# GUI application with text- and combo-boxes. Which one is the best way to do it: (1) Everything done manually by own classes and methods: Import data to dataset or to many datatables separately, then create dictionaries to comboboxes, manually retrieve data to textboxes and create a sql statement if update action will be invoked, or, (2) Done automatically by VS: Connect my controls with BindingSource and BindingNavigator if needed. I know how to deal with the first one, but if the second way would be better, my question is — how to achieve it? I haven't dealt with automatically created databindings and I don't know how to tell to DataBinding property (Key|Value|Text) about relations and current row's ID. And what is the method to cancel/update changes in all GUI elements? I need a simple solution for this scenario. It's a quick-and-dirty academical project, which must only "work" and be as fast implemented as it can. Thanks

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• Email Verification plugin for rails?

  - by Larry K

  Hi, I'd like to verify a user's email address by sending them a verify-email-message. Do you know of a good Rails plugin that they've used or seen? Since I didn't see anything good via Google, at this point, my thought is: Add a verified boolean field to the user model. Default false. After user is added (unverified), combine email with a salt (a secret), and create the sha1 hash of the email/salt combo. The result is the verification. Send a welcoming / verification email to the user. Email includes a url that has the email address and verification as GET args to a verify action on my server. The verify action recomputes the verification using the supplied email and checks that the new verification matches the one in the url. If it does, then the User rec for the email is marked 'verified' Also will provide action to re-send the verification email. Any comments on the above? Thanks, Larry

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• Django Admin drop down combobox and assigned values

  - by Daniel Garcia

  I have several question for the Django Admin feature. Im kind of new in Django so im not sure how to do it. Basically what Im looking to do is when Im adding information on the model. Some of the fields i want them to be drop-downs and maybe combo-boxes with AutoCompleteMode. Also looking for some fields to have the same information, for example if i have a datatime field I want that information to feed the fields day, month and year from hoti.hotiapp.models import Occurrence from django.contrib import admin class MyModelAdmin(admin.ModelAdmin): exclude = ['reference',] admin.site.register(Occurrence, MyModelAdmin) Anything helps Thanks in advance

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• Getting Serial Port Information in C#

  - by Jim Fell

  I have some code that loads the serial ports into a combo-box: List<String> tList = new List<String>(); comboBoxComPort.Items.Clear(); foreach (string s in SerialPort.GetPortNames()) { tList.Add(s); } tList.Sort(); comboBoxComPort.Items.Add("Select COM port..."); comboBoxComPort.Items.AddRange(tList.ToArray()); comboBoxComPort.SelectedIndex = 0; I would like to add the port descriptions (similar to what are shown for the COM ports in the Device Manager) to the list and sort the items in the list that are after index 0 (solved: see above snippet). Does anyone have any suggestions for adding the port descriptions? I am using Microsoft Visual C# 2008 Express Edition (.NET 2.0). Any thoughts you may have would be appreciated. Thanks.

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• How can I manage SQL CE databases in SQL Server Management Studio?

  - by Arul

  Dear all, I have Sqlserver 2005 Express Edition only. and VS 2005. How to i create my .sdf file. and how to create tables in that file... I am developing a SmartDevice Application. if any possible to access the Sql server 2000 DataBase without using .SDF file. Note: in my system i have VS 2005, SQL SERVER 2000, SQL SERVER 2005 Express Edition. And aslo i installed MS-SQL SERVER 2005 Compact Edition Developer SDK[ENU]. In my Sql server 2005 Studio, there is no any sqlserver compact edition in the EngineType Combo. what are the things i need to do.. to perfectly run my application with Data Base. Thanks, Thanks for previous one also.

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• CHtmlView class and focus

  - by NativeByte

  I have an SDI application written in MFC. The frame is divided into 1 row and 2 columns using a splitter window. Below are details of Row and Column (R0C0 means Row#0 and Col#0) R0C0 view is a CFormView with multiple input controls like text box, combo box etc. R0C1 view is a CHtmlView that contains HTML content relavant to the control that has input focus in the R0C0 I am able to update the HTML content and also invoke Javascript functions through my MFC code. Problem: When user clicks on the R0C1, continaing CHtmlView, the focus is now on the html page. I wish to allow the user to tab out of R0C1 using the key board and return back to R0C0. Can you help with this please? The user can obviously click on the R0C0 view using mouse but we have a user who needs to use Keyboard for using this functionality. Let me know if the question is not descriptive enough and I'll simplify it further. Appreciate your time. Thanks, Byte

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• Capture Silverlight 4 event when panel clicked

  - by Eric J.

  I have a small Silverlight 4 app that essentially consists of a grid containing a label and a combo box. When I click the label, I replace it with a second text box so that I can edit the label (much the way you can edit the name of a Silverlight control in VS2010). I have a LostFocus event handler on the text box that will end editing when the control loses focus (restoring the updated label). Trouble is, users tend to click on the panel when they are done editing rather than on another control (or hitting Enter, which is also supported). I tried adding a left mouse down event handler to the panel. However, that only fires when the text box does not have the focus (I guess the text box captured the mouse?) Is there an approach to recognize that a non-input control was clicked that would enable me to terminate edit mode?

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• SelectedIndex of combobox not updating correctly using databinding.

  - by Matthijs Wessels

  I have a ComboBox: <ComboBox Name="iComponentFieldComboBox" SelectedIndex="{Binding ComponentFieldSelectedIndex, Mode=TwoWay}" Height="23" Margin="132,0,280,38" VerticalAlignment="Bottom"> <ComboBoxItem Name="item1">item1</ComboBoxItem> <ComboBoxItem Name="item2">item2</ComboBoxItem> <ComboBoxItem Name="item3">item3</ComboBoxItem> </ComboBox> When I start my WPF and set the ComponentFieldSelectedIndex property of my ViewModel in my code, nothing happens. But after I have selected an item in the combobox, then suddenly setting ComponentFieldSelectedIndex does work. for example: start app. click button that sets ComponentFieldSelectedIndex to 1. selected item doesn't change to item2. select item3 in combo box. click button that sets ComponentFieldSelectedIndex to 1. selected item does change to item2. Does anyone have an idea what could be causing this?

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• How to use sessions with django piston auth?

  - by xyld

  The problem is that I want to store authentication in a cookie that I can present to django piston rather than requiring user/password to be typed in each time (without hardcoding or storing the user/pass combo somewhere on disk). I was hoping to accomplish this with cookies like someone would without the piston API. Am I missing something? Django Piston doesn't seem to care about session cookies at all? Or can someone suggest a good alternative? Maybe I shouldn't use Piston?

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• how to better use of eclipse code templates (PHP)?

  - by pocketfullofcheese

  One particular problem I was having was using ${word_selection} in an Eclipse PDT template. I was recently trying to use some code templates with Eclipse PDT 2.1 to speed up some common tasks. We use a lot of getters/setters, so I wrote the following template. function get${word_selection}() { return $$this->getData('${word_selection}'); } function set${word_selection}($$${word_selection}) { $$this->setData('${word_selection}', $$${word_selection}); } I named the template "getset" and the only way I know to use the Code Assist is to type: "getset" then hit my code assist keys (I have it set to Esc, but I think the default was Ctrl+Space). The problem is, this doesn't actually let me select a word to be used by the ${word_selection}. how do I type in my template name, hit the key combo, and have a word selected all at the same time? I also want to know what kinds of templates people have set up and any other tips for using templates to speed of programming.

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• Wordpress, PodCMS and Search

  - by Vian Esterhuizen

  Hey guys, I have a WordPress site for a client. He owns a video store, and I made a site for him to update the list of movies, usually just the "new this week" movies. The Pod has a field where you insert the release date. 2010-04-20 Then there is a Pod page/template combo that calls the movies with a certain release date like this: $date = pods_url_variable('last'); He then just creates a blank WP page with the slug 2010-04-20 So when you open that page, the Pod page/template reads that slug and renders a list of the appropriate movies. My problem: I need these to be searchable. Is this possible. I'm also open to suggestions on other ways to go about making this site work. I need it to be as simple as that. Uploads some movies and creates a new page. Then the rest is done automatically. Please and thank you guys

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• SharePoint 2010 and VS 2010 - which releases work well?

  - by Jonesie

  I'm having a hard time finding a combination of sharepoint and vs releases that work well together. So far I have tried: SP 4730 & VS RTM SP 4747 & VS RC SP 4763 (Debug RTM ish) & VS RC All of these had issues in one or both products. I'm now reverting to SP 4747 & VS RTM. Has anyone else found a combo that works well? Specifically, I'm creating a service application with some sync framework goodness. I get errors when deploying from vs or running the powershell cmdlets to deploy and provision stuff. Thanks

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• Problem in creating different types of columns in a Winforms gridview

  - by Royson

  My windows form application has a grid view control with filename as a default column. User should create a column of following types Text, Number, Currency, Combo Box, Check Box, Radio Button ,Date time type (should display DateTimePicker control) and Hyper Link type. After that i want to pass all rows to next screen for further processing. We can create a column of these types in a grid view but how can i store it in a data table so that i can pass it to next screen. Or should i create a column in a data table and then assign data table to grid view by gridview.DataSource = dt; but can we create a these types of columns in a data table.

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• Acquiring AD OU list.

  - by Stephen Murby

  Hi, I am looking to be able to pull a list of current OU's from Active Directory I have been looking at some example code online for sometime, but O don't seem to be able to get this to work. string defaultNamingContext; DirectoryEntry rootDSE = new DirectoryEntry("LDAP://RootDSE"); defaultNamingContext = rootDSE.Properties["defaultNamingContext"].Value.ToString(); DirectorySearcher ouSearch = new DirectorySearcher(rootDSE, "(objectClass=organizationalUnit)", null, SearchScope.Subtree); MessageBox.Show(rootDSE.ToString()); try { SearchResultCollection collectedResult = ouSearch.FindAll(); foreach (SearchResult temp in collectedResult) { comboBox1.Items.Add(temp.Properties["name"][0]); DirectoryEntry ou = temp.GetDirectoryEntry(); } The error I get is There provider does not support searching and cannot search LDAP://RootDSE Any Ideas? for each of those returned search results I want to add them to a combo box. (shouldn't be too hard)

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• Looking for exhaustive list of commands and a way to set style

  - by humble_coder

  Hi All, I'm currently working with CKEditor (http://ckeditor.com/). I'm looking for: 1) an exhaustive list of commands available by default via 'execCommand'. 2) a mechanism by which to set styles (as in the same way the FONT and SIZE combo boxes do it). I saw the function called 'setStyle' in the documentation, however it seems to require an exact element. I can't for the life of me figure out how to do so based on the selection -- there is no way to use ID or CLASS, as the selected portions have none. I've posted to the forums but they don't seem to be terribly active as far as replies are concerned. Any assistance would be most appreciated. Best.

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• Problem using DataGridView Control of VB.NET 2008

  - by Tareq

  Hi, I am using VB.NET 2008 based on Framework 3.5 I use a datagridview control on a form and the form's load event as follows: Private Sub frmServiceSettings_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load With dgvFinishedProduct Dim myCombo As New DataGridViewComboBoxColumn ... I generate the combo here from the result of my database .Columns.Add(myCombo) End With End Sub Now when i want to get the data that is set in this column, there is no problem. But if I want to set the data programmatically, there arises problem. How can I solve the problem? If you want more info, please let me know.

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• Tarballing without git metadata

  - by zaf

  My source tree contains several directories which are using git source control and I need to tarball the whole tree excluding any references to the git metadata or custom log files. I thought I'd have a go using a combo of find/egrep/xargs/tar but somehow the tar file contains the .git directories and the *.log files. This is what I have: find -type f . | egrep -v '\.git|\.log' | xargs tar rvf ~/app.tar Can someone explain my misunderstanding here? Why is tar processing the files that find and egrep are filtering? I'm open to other techniques as well.

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• WPF Binding Collection To ComboBox and Selecting an item

  - by Adam Driscoll

  I've been knocking my head against this for some time now. I'm not really sure why it isn't working. I'm still pretty new to this whole WPF business. Here's my XAML for the combobox <ComboBox Width="200" SelectedValuePath="Type.FullName" SelectedItem="{Binding Path=Type}" Name="cmoBox" > </ComboBox> Here's what populates the ComboBox (myAssembly is a class I created with a list of possible types) cmoBox.ItemsSource = myAssembly.PossibleTypes; I set the DataContext in a parent element of the ComboBox in the code behind like this: groupBox.DataContext = listBox.SelectedItem; I want the binding to select the correct "possible type" from the combo box. It doesn't select anything. I have tried SelectedValue and SelectedItem. When I changed the DisplayMemberPath of the ComboBox to a different property it changed what was displayed so I know it's not completely broken. Any ideas???

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• LINQ query and lambda expressions

  - by user329269

  I'm trying to write a LINQ query and am having problems. I'm not sure if lambda expressions are the answer or not but I think they may be. I have two combo boxes on my form: "State" and "Color". I want to select Widgets from my database based on the values of these two dropdowns. My widgets can be in one of the following states: Not Started, In Production, In Finishing, In Inventory, Sold. Widgets can have any color in the 'color' table in the database. The 'state' combobox has selections "Not Sold," "In Production/Finishing", "Not Started," "In Production," "In Finishing," "In Inventory," "Sold." (I hope these are self-explanatory.) The 'color' dropdown has "All Colors," and a separate item for each color in the database. How can I create a LINQ query to select the widgets I want from the database based on the dropdowns?

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• Combobox drops up in IE 8 and it works correctly in IE 6

  - by ravi2082

  Hi, I have a simple select/combo box with 100 options in the middle of a HTML page. When I open it in IE 6 it appears fine dropping down with a few elements displayed and a vertical scroll bar. In IE 8, it opens upward. Looks like it drops down till it reaches edge of browser screen when it has few options and then opens upward for new options added with a vertical scroll bar. Is there a way the select box can be adjusted to appear in IE 8 similar to IE 6? Thanks Ravi

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• Why does the jQuery on this page work for Internet Explorer 8, but nothing else?

  - by Ben McCormack

  I made a web page that uses jQuery: http://benmccormack.com/demo/MichaelMassPsalm/Psalm16Mode5.html When you change the selection in the combo box from Higher Key to Lower Key, all of the music images are supposed to change their source to be images that represent the lower key signature. This works great in IE8, but it won't work in Safari, Firefox, or Chrome. Why not? Here's the jQuery code that I'm using: $(document).ready(function () { $("#musicKey").change(function (event) { if ($("#musicKey").val() * 1) { $("img[src*='Low'").each(function (index) { $(this).attr("src", $(this).attr("src").replace("Low", "High")); }); } else { $("img[src*='High'").each(function (index) { $(this).attr("src", $(this).attr("src").replace("High", "Low")); }); } }); });

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• AS2 acts randomly when changing scenes on the first frame

  - by fabieno

  I have a flash movie containing to scenes: scene1, scene2. I have chosen the order so that scene1 starts first, I was requested to add a functionality to allow flashvars to be passed, if fv_change equals one then scene2 should be the first to appear when the movie is loaded. I have included the following code in scene1 first frame of some layer: this.onEnterFrame = function() { delete this.onEnterFrame; if (isset==undefined && _root.fv_change && _root.fv_change==1) { isset = true; gotoAndStop("scene2",1); } } when testing in my flash environment everything worked fine, when I exported it to an HTML & SWF combo I got random results, I refreshed the page several times and some of the times scene2 appeared and some of the times it stayed with scene1. Am I doing something wrong? what is the correct way to change scene order using AS2 and external data(flashvars for that matter).

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• Select count / duplicates

  - by mike

  Hello! I have a table with all U.S. zip codes. each row contains the city and state name for the zip code. I'm trying to get a list of cities that show up in multiple states. This wouldn't be a problem if there weren't X amount of zip codes in the same city... So basically, I just want to the city in a state to count as 1 instead of it counting the city/state 7 times because there are 2+ zip codes in that city/state... I'm not really sure how to do this. I know I need to use count but how do I tell the mysql to only count a given city/state combo as 1?

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• What are people's opinions vis-a-vis my choice of authorization plugins?

  - by brad

  I'm slowly but surely putting together my first rails app (first web-app of any kind in fact - I'm not really a programmer) and it's time to set up a user registration/login system. The nature of my app is such that each user will be completely separated from each other user (except for admin roles). When users log in they will have their own unique index page looking at only their data which they and no-one else can ever see or edit. However, I may later want to add a role for a user to be able to view and edit several other user's data (e.g. a group of users may want to allow their secretary to access and edit their data but their secretary would not need any data of their own). My plan is to use authlogic to create the login system and declarative authorization to control permissions but before I embark on this fairly major and crucial task I thought I would canvas a few opinions as to whether this combo was appropriate for the tasks I envisage or whether there would be a better/simpler/faster/cheaper/awesomer option.

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