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• Set request attributes when a Form is POSTed

  - by ssahmed555

  Is there any way to set request attributes (not parameters) when a form is posted? The problem I am trying to solve is: I have a JSP page displaying some data in a couple of dropdown lists. When the form is posted, my Controller servlet processes this request (based on the parameters set/specified in the form) and redirects to the same JSP page that is supposed to display addition details. I now want to display the same/earlier data in the dropdown lists without having to recompute or recalculate to get that same data. And in the said JSP page, the dropdown lists in the form are populated by data that is specified through request attributes. Right now, after the Form is POSTed and I am redirected to the same JSP page the dropdown lists are empty because the necessary request attributes are not present. I am quite the n00b when it comes to web apps, so an obvious & easy solution to this problem escapes me at the moment! I am open to suggestions on how to restructure the control flow in the Servlet. Some details about this app: standard Servlet + JSP, JSTL, running in Apache Tomcat 6.0. Thanks.

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• Drools rule to filter element with a numeric property below a percentage of the total

  - by Mario

  Hello, I have just started using Drools on a small project and now I need to write a rule a bit complex and I don't really know what's the best way to do it. I am applying this rule to a list of objects of the same type (this class have a property called numberOfExecutions). I need to check for each element of the list if the numberOfExecutions of that element is bigger than 5% of the total numberOfExecutions (the sum of numberOfExecutions of all the elements in the list). I could not think of a nice way to implement this in drools so far, do you have a suggestion?

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• The 100% width HTML element problem

  - by Xeoncross

  When assigning some HTML elements (like a form input) 100% width - you can no longer apply any additional styles that might effect the width. Things like border or padding will cause the element to exceed 100%. This results in awkward elements that may be outside of their parent elements. Since CSS doesn't support width: 100% - 2px; The only way I know around this is to use an absolute pixel width (width: 98px) or chop the element off at 100% which is not really an option. <div style="overflow:hidden;"> <input style="width:100%; border: 1px solid #000;" /> </div> Are they're any other ways around this?

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• Using Javascript to submit a form

  - by Webnet

  I'm using ExtJS on a registration page which should have no effect on this. <form name="registerform" id="registerform" method="POST" action="registerProcess.php"> I have that form and the javascript document.registerform.submit() will not submit the form.... any ideas?

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• Error when rendering a partial (RoR) passing the form as a local variable

  - by Dmitriy Likhten

  In my main template I have the following: <%= render :partial => "delivery_date", :collection => @brand.delivery_dates, :locals => {:form => f} %> However when the partial tries to use the form local variable, I get this error Showing app/views/brands/_delivery_date.html.erb where line #2 raised: wrong number of arguments (0 for 1) Extracted source (around line #2): 1: <%= delivery_date.id %> 2: <%= form.text_field :name %> 3: <% new_or_existing = delivery_date.new_record? ? 'new' : 'existing' %> 4: <% prefix = "brand[#{new_or_existing}_delivery_date_attributes][]" %> 5: <% fields_for prefix, delivery_date do |dd_f| %> Does anyone understand what this error means? Actually I want to do <% form.fields_for delivery_date do |dd_f| %> but that fails as well.

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• In django 1.1, how do I find a form field's max_length attribute

  - by AlexH

  I have a form that looks like this: class SampleForm(forms.Form): text = forms.CharField(max_length=100) In my django template, I want to reference the fact that the length is 100. I tried {{ form.text.max_length }} to no avail. On a related note, how do I reference this value in python?

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• How to convert c++ std::list element to multimap iterator

  - by user63898

  Hello all, I have std::list<multimap<std::string,std::string>::iterator> > Now i have new element: multimap<std::string,std::string>::value_type aNewMmapValue("foo1","test") I want to avoid the need to set temp multimap and do insert to the new element just to get its iterator back so i could to push it back to the: std::list<multimap<std::string,std::string>::iterator> > can i somehow avoid this creation of the temp multimap. Thanks

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• Form with target="_blank" will produce empty POST data in IE6

  - by Seeker

  I have an iframe containing a form. I want the form to point to a new window when the user submits it. Basically, the following code should do the trick: <?php var_dump($_POST); ?> <form method="post" action="test_post_to_blank.php" target="_blank"> <input type="text" name="test" value="test" /> <input type="submit" /> </form> The problem is that in IE6 a new window is opened with empty POST data. Is there any other way I can get the job done? This does not occur in newer versions of IE. Thanks in advance ;).

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• Getting every nth Element of a Sequence

  - by Alexander Rautenberg

  I am looking for a way to create a sequence consisting of every nth element of another sequence, but don't seem to find a way to do that in an elegant way. I can of course hack something, but I wonder if there is a library function that I'm not seeing. The sequence functions whose names end in -i seem to be quite good for the purpose of figuring out when an element is the nth one or (multiple of n)th one, but I can only see iteri and mapi, none of which really lends itself to the task. Example: let someseq = [1;2;3;4;5;6] let partial = Seq.magicfunction 3 someseq Then partial should be [3;6]. Is there anything like it out there? Edit: If I am not quite as ambitious and allow for the n to be constant/known, then I've just found that the following should work: let rec thirds lst = match lst with | (_,_,x)::t -> x::thirds t | _ -> [] Would there be a way to write this shorter?

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• Requesting NAME OF FORM by php

  - by Ajay

  I want to retrieve NAME OF FORM from php when i am submitting a form. Can i find the NAME OF FORM by PHP?

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• how do you get an ID of a clicked div element js

  - by necker

  So my question is how to get an ID of an element that has just been clicked?(javascript) thank you for your answers!

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• check if username exists on form submit

  - by Developer

  This is my code. .js $(document).ready(function() { $("#username").focusout(function() { $.ajax({ type:'post', url:site_url()+'/client/checkUserName', data:{'username':$("#username").val()}, dataType:'json', success:function(result){ if(result != 'false'){ $('#message').text('Username exists'); } } }); }); .html <form id='form1' method="post"> <input type="text" name="username" id="username"/> <span id="message" style="color:red"></span> <input type="submit" value="submit" id="regis" class="btn"/> </form> Its working fine on focusout. How to make the form to not submit if username exists? Suppose there is a hidden field in the form say <input type="text" hidden id="type" value="<?php echo $type;?>"> Then if value exists in the hidden field then the username neednot be checked if already exists or not.

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• can't save form content to database, help plsss!!

  - by dana

  i'm trying to save 100 caracters form user in a 'microblog' minimal application. my code seems to not have any mystakes, but doesn't work. the mistake is in views.py, i can't save the foreign key to user table models.py looks like this: class NewManager(models.Manager): def create_post(self, post, username): new = self.model(post=post, created_by=username) new.save() return new class New(models.Model): post = models.CharField(max_length=120) date = models.DateTimeField(auto_now_add=True) created_by = models.ForeignKey(User, blank=True) objects = NewManager() class NewForm(ModelForm): class Meta: model = New fields = ['post'] # widgets = {'post': Textarea(attrs={'cols': 80, 'rows': 20}) def save_new(request): if request.method == 'POST': created_by = User.objects.get(created_by = user) date = request.POST.get('date', '') post = request.POST.get('post', '') new_obj = New(post=post, date=date, created_by=created_by) new_obj.save() return HttpResponseRedirect('/') else: form = NewForm() return render_to_response('news/new_form.html', {'form': form},context_instance=RequestContext(request)) i didn't mention imports here - they're done right, anyway. my mistake is in views.py, when i try to save it says: local variable 'created_by' referenced before assignment it i put created_py as a parameter, the save needs more parameters... it is really weird help please!!

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• MYSQL/PHP: Inserting data via HTML form, same "input name"

  - by Camen

  I'm new to MySQL and as a learning project I'd like to make a recipe database. I'd like to the user to be able to enter ingredients through a simple HTML form but I'm stuck in how to label the form so that I can enter several ingredients into the database at once. I'd like to do something like this: <form method="post" action="insert.php"> Ingredient 1: <input type="text" name="ingredient"><br /> Ingredient 2: <input type="text" name="ingredient"><br /> Ingredient 3: <input type="text" name="ingredient"><br /> <input type="submit" value="Submit"> </form> When I do this, I add rows to the table but they're all empty. I know it's got something to do with me using "ingredient" (the table value where I want to add the ingredient name) several times in the form, but I just don't know how to solve it. I would absolutely love some input on how to make it work.

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• Dom Element onclick (MooTools :: optionally)

  - by Theofanis Pantelides

  Consider the following example: function async_callback(array1, array2, array3) { // All arrays are equal length for(var i = 0; i < array1.length; i++) { var myElement = new Element('div', { 'id': 'dvMy' + i, 'events': { 'click': function() { SomeFunction(array1[i], array2[i], array3[i] } }}); $(document).appendChild(myElement); } } Now when I click my element, I get a null value for all three arguments. I even tried doing: myElement.onclick = SomeFunction; // but this won't allow arguments I know I can create a string and use eval() and that does work, but I don't like eval(). Any ideas??? btw: This is a simple example to replicate the problem, and not actual code.

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• Jquery - Dynamically build form action on submit?

  - by Probocop

  Hi, I'm trying to have the action of a HTML form built when the user clicks the submit button. So the user fills in a form, clicks submit, then the action gets built then it actually gets submitted. The reason being is because the form has a load of options on it which will be passed to a script. How would I go about doing this with Jquery?

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• How to Disable Alt + F4 closing form?

  - by Aros

  What is the best way to disable Alt + F4 in a c# win form to prevent the user from closing the form? I am using a form as a popup dialog to display a progress bar and I do not want the user to be able to close it. Thanks.

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• multiple form submission with one submit

  - by skylab

  I've been trying to think this through and figure out if it is possible or not. I'm using zen-cart as shopping cart software, but what I'd like to do, is hard code a page that is basically a list of 7-9 products, next to each product is a checkbox, so I'd like to figure out a way, via html,javascript or jquery to submit whichever forms(products) are checked to the cart. The typical form submission for a product looks something like this(sometimes there may be one or two additional hidden fields): <form name="cart_quantity" action="index.php?action=add_product" method="post" enctype="multipart/form-data"> <input type="hidden" name="cart_quantity" value="1"> <input type="hidden" name="products_id" value="7"> <input type="hidden" name="id[6]" value="9" id="attrib-6-9"> <input type="image" src="buy_button.png" alt="Add to Cart" title="Instructional Video Part 1: Add to Cart"> </form> There would be 7-9 of these on the page, each with a checkbox, so I'm assuming a script would need to figure out which ones where checked and submit them via the form action? Maybe there is a better way of going about this that I'm not thinking of because a)it's over my head or b)just haven't figured it out yet. Anyway is something like this possible?

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• Getting the last element of a Postgres array, declaratively

  - by Wojciech Kaczmarek

  How to obtain the last element of the array in Postgres? I need to do it declaratively as I want to use it as a ORDER BY criteria. I wouldn't want to create a special PGSQL function for it, the less changes to the database the better in this case. In fact, what I want to do is to sort by the last word of a specific column containing multiple words. Changing the model is not an option here. In other words, I want to push Ruby's sort_by {|x| x.split[-1]} into the database level. I can split a value into array of words with Postgres string_to_array or regexp_split_to_array functions, then how to get its last element?

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• Dynamically startup form

  - by comii

  Hi! I have application in VB.net that have two different form (Form1 and Form2). Now I need to examine some condition and if condition is true then i set Form1 for startup for and if it not then i set Form2 for startup form. So is there anyway to dynamically call startup form? Thanks!

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• How to nest a form in an ASP.NET page (which has a form wrapped around it)

  - by Josh

  I am writing HTML to an ASP.NET page (from a web service response), and the HTML has tags. Unfortunately, because the ASP.NET page already has a wrapped around it, a lot of the buttons on the page break. Does anyone know how I can nest the form inside the ASP.NET page without breaking the top-level form? Note: the HTML I am bringing in is a form with a bunch of hidden fields inside of it, and it has to be placed within the ASP.NET page, and thus nested in the top-level form. Thanks

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• Django form to enter/save html to database

  - by Ian

  I'm in my first week of Django development and am working on an admin page that will let me write some quick html using TinyMCE and then save it to the database. I don't need to display this web page on the site or add it to urls.py, etc. The html snippet will be loaded from the database and used in a view function. I've read in "Practical Django Projects" how to integrate TinyMCE, so my question is more concerned with the best approach for the form itself. Specifically: 1. Is there a built-in form like flatpage that works well for this? I only need one field in the form for the html. 2. How do I save the form's text after it's entered? I created a model with a JSONField to save the html in, but I'm not clear on what to do next. Thanks.

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• jQuery: add border on hovered element but NOT parents

  - by John Isaacks

  I have this code: var originalBorder = container.css("border"); container.hover(function(event) { event.stopPropagation(); $(this).css("border", "1px solid "+options.color); },function(){ $(this).css("border", originalBorder); }); Which I am using to add a border to the currently hovered element. However for example if a span is inside a div they are both getting borders. I only want to target the span. I thought that adding event.stopPropagation() would do the trick (this is what I would do in Flex, which is what I am more used to) but I guess this is a live event which I dont even understand what that means. So basically how can target the youngest element without triggering the parents? Thanks!!

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• Symfony: Pass an object from another module to a form

  - by djcloud23

  I have a symfony project and I have one model, which for this example I will name Boat. From the Boat's showSuccess page, I would like to make a link to another model's form page. For this example we will call it Ticket. When they click on the link, I would like for the Boat object to be passed to the Ticket form because I have to display some of that specific Boat's fields (title, price, etc) on the Ticket form page (newSuccess.php). I guess my question is, how do I pass an object (as a variable) to another model's "new" form page. I have looked everywhere and I can't seem to find an answer that works for me. Thank you!

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• Dynamically replace HTML element in UIWebView

  - by Skie

  I have some HTML loaded in WebView like this: <html><head></head><body>before <myTag>Content</myTag> after</body></html> I want to replace element myTag with custom text so it should look like: <html><head></head><body>before ____MY_CUSTOM_TEXT___ after</body></html> Also I can't change initial HTML. How I can do this with JavaScript? My not finished code: var elements = document.getElementsByTagName( 'myTag' ); var firstElement = elements[0]; var parentElement = firstElement.parentNode; var html = parentElement.innerHTML; parentElement.innerHTML = html.replace(?????, '____MY_CUSTOM_TEXT___'); I don't know how to get string value of element to replace (?????).

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