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• How do I prevent a form from being resubmitted too quickly in a rails application?

  - by user284194

  I have made a simple Rails application that allows people to comment on posts. How do I prevent that user from submitting that form over and over again? On reddit.com they only allow newer users to make new posts every ten minutes. How can I do this with my simple blog/commenting system? Any help would be greatly appreciated. Thanks for reading my question.

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• Delphi 2010: Form OnKeyDown, OnKeyPress or OnKeyUp doesn't work at all when using OpenGL!

  - by user336557

  I have a form and I've passed its handle to the OpenGL class to draw. I want to get keyboard commands from the user but it seems the procedures for getting the keys doesn't run (I've tested it). Although, I am using OnMouseDown with no problem at all. Is there anything I am missing here? Anyone has a solution?

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• Django: How do I access the request object or any other variable in a form's clean() method?

  - by nubela

  I am trying to request.user for a form's clean method, but how can I access the request object? Can I modify the clean method to allow variables input? Thanks.

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• SQL query that returns columns form table A plus a bit column that specifies with the PK of table A

  - by dannie.f

  How can I write an efficient SQL query that returns columns form table A plus a bit column that specifies whether the PK of table A exists in table B? I am using MS SQLServer 2005. Thanks.

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• .Net: Best technique to fill a number of combo boxes on the form in windows application?

  - by odiseh

  hi Suppose that you have a win form with 5 combo boxes on it. Some one told me that you must have 5 data table in order to fill them one by one. How do you fill them with data stored in Database?

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• How can I get an overridden Text property of my user control to show up in the form designer in VS20

  - by recursive

  I have a user control with the following code in it. [System.ComponentModel.Category("Appearance")] public override string Text { ... } private int myVar; [System.ComponentModel.Category("Appearance")] public int MyProperty { ... } MyProperty shows up in the property grid when the control is inserted in a form, but Text does not. How can I get it visible?

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• Is MapReduce one form of Continuation-Passing Style (CPS)?

  - by Jeffrey

  As the title says. I was reading Yet Another Language Geek: Continuation-Passing Style and I was sort of wondering if MapReduce can be categorized as one form of Continuation-Passing Style aka CPS. I am also wondering how can CPS utilise more than one computer to perform complex computation. Maybe CPS makes it easier to work with Actor model.

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• Is it possible to create a windows form app that can run from the command line with parameters?

  - by JL

  I would like a windows form app that will contain a UI, but I want it to run from the command line with some parameters possibly also a /hide or /visible=false option. How is it possible to read in the command line parameters? And adjust accordingly?

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• How can I send a ByteArray (from Flash) and some form data to php?

  - by j-raff

  I have a sketch pad made in Flash AS3 like this one here: http://henryjones.us/articles/using-the-as3-jpeg-encoder I want to send the jpg to the server and some data from a html form field with php. Is there a way to force the Flash movie to deliver the image file when one presses the submit button?

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• Is there any plug-in or library to validate a set of form elements?

  - by Ricky

  Hi guys: I am a noivce at JQuery. I'm curious about if there is any plug-in or libraries to help developers validate whether any input value over a set of form elements is not entered (empty string). I can just think of using a function to achieve this feature. Any better idea? Thanks.

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• How can we get First flash file data in asp.net (C#) after two or three form submission?

  - by Krishnan

  Our team working on flash/Asp.net shopping cart projects In our projects we need to get previous flash file data. After two or three form submission the first page flash file data are missing. How can we maintain the state of flash file data? If any idea please help our team to do the task

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• I am looking for information to make my windows form app self updating.

  - by JPJedi

  I would like to make my windows form app self updating when it starts. Where can I find good information for that? I am using Visual Studio 2008 VB.NET.

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• How to submit/update/delete data through InfoPath Form to an MS Access Database on Sharepoint 2007

  - by yreddy

  Hi I want submit Data/update/delete through InfoPath Form to an MS Access Database on Sharepoint 2007 (MOSS 2007), If custome code require please give code. Thanks

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• In MS Access form, how to color background of selected record?

  - by PowerUser

  I have a somewhat complicated looking Access Form with a continuous display (meaning multiple records are shown at once). I'd like to change the background color of the selected record only so the end-user can easily tell which record they are on. I'm thinking of perhaps a conditional format or maybe something like this: Private Sub Detail_HasFocus() Detail.BackColor(me.color)=vbBlue End Sub and something similar for when that row loses focus. This code snippet obviously won't work, but it's the kind of code I'd like to achieve.

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• i am creating multiple check box with same name and id how i get value of array when i submit form?

  - by dilip

  plz help me i am creating multiple chechbox with same name and id how i get value of array when i submited form ? using cake php create('Report', array('action'='add'))); for($i=0;$i   " id="Report" / } } ?>

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• Ruby: How to post a file via HTTP as multipart/form-data?

  - by kch

  I want to do an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field. Posting text fields is straightforward, there's an example right there in the net/http rdocs, but I can't figure out how to post a file along with it. Net::HTTP doesn't look like the best idea. curb is looking good.

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• Which Control can is equvalent to databound list combox box of vb6 in vb.net windows form applicatio

  - by KoolKabin

  Hi guys, I think there should a control like databound list control of vb6 in vb.net windows form application too which can show up data from database. I have confused and staring my database applications in vb.net.... so can you suggest which control can be used?

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• Adding item to taxonomy menu vocabulary in the create content form?

  - by HorusKol

  I've implemented taxonomy menu in Drupal, and trying to set it up so that it is pretty easy for the user to add new items to the vocabulary from the create content form instead of having to administer the vocabulary itself. So far, all I can manage is the default behaviour of displaying the existing items.

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• C# - Is it possible to create a windows form app that can run from the command line with parameters?

  - by JL

  I would like a windows form app that will contain a UI, but I want it to run from the command line with some parameters possibly also a /hide or /visible=false option. How is it possible to read in the command line parameters? And adjust accordingly?

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• How does one control select lists using form API ?

  - by user363036

  I know this is somewhat of a newb question but I am running into a deadline and 3 days of Drupal experience will just not cut it... $form['gender'] = array('#type' = 'select', '#title' = t('Gender: *'), '#options' = array(t('Male'), t('Female')), '#required' = TRUE, '#weight' = 2, ); How do I assign values to select values ? For example Male - 'm' and Female- 'f'. Also how do I give the select box a default caption "please select gender..." Thanks guys

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• Which is clearer form: if(!value) or if(flag == value) ?

  - by CodexArcanum

  I understand this is a subjective question, so I apologize if it needs to be closed, but I feel like it comes up often enough for me to wonder if there is a general preference for one form over the other. Obviously, the best answer is "refactor the code so you don't need to test for falsehood" but sometimes there's no easy way to do so and the "else" branch is simply to continue processing. So when you must have an "if not false" construct, which is the preferred standard: The not operator if(!value) Or the test for false if(value == false)

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• Does a simple delphi form app needs any libraries or dependencies to deploy?

  - by peterg

  I need to code a simple form application and I want to make it easy to deploy (without installing libraries or dependencies), I don't want to use visual studio cpp or csharp because clr apps compile with .net frameworks and I have no much experience with mfc and dialogs. So I was wondering which libraries does a simple delphi vcl forms app (those using TForm) use, because I've never had to install anything to run simple delphi apps.

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• When setting a form's opacity should I use a decimal or double?

  - by Eggs McLaren

  I'm new to C#, and I want to use a track-bar to change a form's opacity. This is my code: decimal trans = trackBar1.Value / 5000 this.Opacity = trans When I try to build it, I get this error: Cannot implicitly convert type 'decimal' to 'double' I tried making trans a double, but then the control doesn't work. This code worked fine for me in VB.NET. What do I need to do differently?

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• How can i implement the NULL Object Design Pattern in a generic form?

  - by Colour Blend

  Is there a way to implement the null object design pattern in a generic form so that i don't need to implement it for every buisness object. For me, there are two high level classes you'll need for every business class. One for a single record and another for a list. So i think there should be a way to implement the NULL Object design pattern at a high level and not have to implement it for every class. Is there a way and how please?

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• Can I close a Windows Form from a link in a WebBrowser control?

  - by Randy

  Okay, I have a WebBrowser control in my VB.NET application that loads a PHP page inside it. On the PHP page I have a 'Log Out' hyperlink. What I'm trying to do is close the VB.NET form when that hyperlink is clicked. Can anyone tell me how to accomplish this - assuming it's even possible?

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