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• Adding a new row in between rows in a grid view.

  - by SARAVAN

  I have an ASP .net grid view. It has some template columns like a command button, a text box, and a dropdown control. When I click the command button, a new row needs to be inserted below the current row (from where I hit the command button). If I have rows 1 and 2 and I hit the command button in row1 a new row needs to be inserted between rows 1 and 2 Now in the new row I should be able to select values from dropdown and enter some value in a text box and finally hit my save button. (Which should work fine as I am expecting) The grid view is bound to some data source say for instance a datatable for now. Oneway that I could think about is when Command button is clicked, I can add a new row to the datatable in my server side code and rebind the grid. But I am not sure that, from a UI perspective how I can make sure that the new row goes exactly below the row from where I hit the command button. Any thoughts or comments?

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• C++ Types Impossible to Name

  - by Kirakun

  While reading Wikipedia's page on decltype, I was curious about the statement, Its [decltype's] primary intended use is in generic programming, where it is often difficult, or even impossible, to name types that depend on template parameters. While I can understand the difficulty part of that statement, what is an example where there is a need to name a type that cannot be named under C++03? EDIT: My point is that since everything in C++ has a declaration of types. Why would there ever be a case where it is impossible to name a type? Furthermore, aren't trait classes designed to yield type informations? Could trait classes be an alternative to decltype?

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• Programmatic Reaction to Receiving New Email

  - by vicatcu

  I'm interested in automating some reactive work I do when receiving certain emails in one of my email accounts. What I would like to have happen is: On receipt of new email in the account If the new email passes the "Need to React" criteria (based on body content and subject line) 3a. Scrape some content out of the email body and subject lines 3b. Populate a template form (e.g. Excel spreadsheet) with the scraped data 3c. Print the populated form and save the populated form in some folder (e.g. as a pdf) What's the best (defined as easiest to implement by myself) approach / combination of technologies for achieving this automation?

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• Render ViewComponent from another component codebehind

  - by George Polevoy

  I'm trying to render a component from withing another component. public override void Render() // ... var block = new Block(); block.Init(EngineContext, Context); block.Render(); // ... } The problem is that Block component can't find it's template. ResourceProcessingException Message: Unable to process resource 'components\CustomReportComponentComponent\default.vm': Resource could not be located I guess, other problems can arise because the component is not properly initialized. Is it possible to initialize a component from within another component's Render method, so it renders just as if called from a .vm?

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• Data binding in gridview column using eval

  - by ROBIN

  I hava grid containing a column for displaying countrynames. I need to display value in that column as contrycode-first 10 letters of country name (in-India) .I tried it using Eval functions with in the item template: <asp:TemplateField> <ItemTemplate> <asp:Label ID="CountryNameLabe" runat="server" Text='<%# Eval("CorporateAddressCountry").SubString(0,6) %>' ></asp:Label> </ItemTemplate> </asp:TemplateField> But it shows error. Can i use custom functions in eval? please help

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• jQuery selector loads images from server

  - by Guillaume

  Hi! here is the code: <script type="text/javascript"> var ajax_data = '<ul id="b-cmu-rgt-list-videos"><li><a href="{video.url}" '+ 'title="{video.title.strip}"><img src="{video.image}" '+ 'alt="{video.title.strip}" /><span>{video.title}</span></a></li></ul>'; var my_img = $(ajax_data).find('img'); </script>` ajax_data is data from a JS template engine where I need to get some part of it. The problem is that jQuery does a GET on the img src={video.image}: GET /test/%7Bvideo.image%7D HTTP/1.1 (on Firefox Live HTTP headers). This GET generates a 404 from the server. Any clues on how to solve this? Thanks a lot :)

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• C++ Boost bind value type

  - by aaa

  hello. I look in documentation and source code but cannot figure out how to get return value type of boost bind functor. I am trying to accomplish following: 35 template<typename T,size_t N, class F> 36 boost::array<typename F::value_type, N> make_array(T (&input)[N], F unary) { 37 boost::array<typename F::value_type, N> array; 38 std::transform(input, input + N, array.begin(), unary); 39 return array; 40 } where F can be bind functor. the above does not work because functor does not have value_type. for that matter, is there standard interface for unary/binary functor as far as return value. Thanks

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• Comparing two images by corr2 function

  - by user3696860

  I'm trying to compare two images by corr2 function on Matlab, it's not necess getting 1 end of function so I am using a treshold to find best images among template images. But sometimes it evaluate wrong image. How can I process them to find best match? ` temp=[]; for i=1:10 res=sprintf('%d.png',i) yol=fullfile('cember\taslak_cember\',res); a=imread(yol); b=imread('30_1.png'); a=rgb2gray(a); b=rgb2gray(b); a=im2bw(a,0.4); b=im2bw(b,0.4); c=corr2(a,b); temp=[temp c]; end max(temp) `

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• How do i use 'auto' in C++ (C++0x) ?

  - by LoudNPossiblyRight

  What do i have to do to this code to make it compile, it's braking around this line: auto val = what.getObject(); #include<iostream> using namespace std; class CUP{ public: void whatsHappening(){} }; class MUG{ public: void whatsHappening(){} }; class CupThrower{ public: CUP cp; CUP getObject(){ return cp;} }; class MugThrower{ public: MUG mg; MUG getObject(){return mg;} }; template <typename T> void whatsHappening(T what){ auto val = what.getObject(); //DOES NOT COMPILE val.whatsHappening(); } int main(){ CupThrower ct; MugThrower mt; whatsHappening(ct); whatsHappening(mt); return 0; } i am using VS2008 to compile.

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• Cant free memory.

  - by atch

  In code: int a[3][4] = {1,2,3,4, 5,6,7,8, 9,10,11,12}; template<class T, int row, int col> void invert(T a[row][col]) { T* columns = new T[col]; T* const free_me = columns; for (int i = 0; i < col; ++i) { for (int j = 0; j < row; ++j) { *columns = a[j][i]; ++columns;//SOMETIMES VALUE IS 0 } } delete[] free_me;//I'M GETTING ERROR OF HEAP ABUSE IN THIS LINE } int main(int argc, char* argv[]) { invert<int,3,4>(a); } I've observed that while iterating, value of variable columns equals zero and I think thats the problem. Thanks for your help.

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• Alternative to jQuery .data()?

  - by thebossman

  I'm a big fan of jQuery's .data() method, but I can't always use it. Often times I am rendering html templates that I pass via AJAX and I need to attach metadata to each of the elements in the template. For example: <ul> {% for item in itemlist %} <li metadata="{{ item.metadata }}">{{ item.name }}</li> {% endfor %} </ul> I know attaching attributes to store data is bad practice (and it might not even work in older versions of IE). What is the best practice? Is there a good alternative to this method?

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• How to replace a codebehind method with an aspx method using ternary operator

  - by user466663

  I have an asp:hyperlink control as part of a gridview template. The code in the aspx page is given below: asp:HyperLink runat="server" ID="lnkEdit" ToolTip="Edit article" NavigateUrl='<%# GetUrl(Eval("ID").ToString(), Eval("CategoryID").ToString()) %' ImageUrl="~/Images/Edit.gif" The NavigateUrl value is obtained from the codebehind method GetUrl(string, string). The code works fine and is as follows: protected string GetUrl(string id, string categoryID) { var CategoryID = string.Empty; if (!String.IsNullOrEmpty(Request.QueryString["CatID"])) { CategoryID = Request.QueryString["CatID"].ToString(); } else if (!String.IsNullOrEmpty(categoryID)) { CategoryID = categoryID; } return "~/TBSArticles/WriteOrEditArticle.aspx?ID=" + id + "&CatID=" + CategoryID; } I want to replace the code behind method by using a ternary operator within the aspx page. I tried something like below, but didn't work: asp:HyperLink runat="server" ID="lnkEdit" ToolTip="Edit article" NavigateUrl='<%# "~/TBSArticles/WriteOrEditArticle.aspx?ID=" + Eval("ID") + "&CatID=" + Eval(this.Request.QueryString["CatID"].ToString()) != ""? this.Request.QueryString["CatID"] : Eval("CategoryID")) %' ImageUrl="~/Images/Edit.gif" Any help will be greatly appreciated. Thanks

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• How to properly set path to media files in Django

  - by sasquatch90

  Hello. I've got a new project, and currently I'm trying to set it correctly. But somehow I can't make my media files work. Here's my current setting : MEDIA_ROOT = os.path.normpath( '/home/budzyk/rails/fandrive/site_media/' ) templates setting work on the other hand : TEMPLATE_DIRS = ( "/home/budzyk/rails/fandrive/templates", ) Catalog with media files is ../fandrive/site-media/ so why it's not working ? Here's my base.html template with styles imported, and firebug window when my page is loaded : <head> <title>{% block title %}{% endblock %}</title> <meta http-equiv="Content-type" content="text/html;charset=UTF-8" /> <link rel="stylesheet" type="text/css" href="{{ MEDIA_URL }}css/style.css" /> {% block pagecss %}{% endblock %} <script type="text/javascript" src="{{ MEDIA_URL }}jquery/jquery-1.4.2.min.js"></script> </head> <body> <div id="wrapper"> http://img237.imageshack.us/img237/4909/21205809.jpg

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• How do I create another controller action to create an object in rails?

  - by Angela

  I have a model called Contact_Email. When an Email template is sent through ActionMailer to a specific Contact, as part of the Create action it sends it through upon .save. However, I want to create a "skip" action which also creates a Contact_Email, but does NOT send an ActionMailer and allows me to set the status differently. I want to create a separate action because I want to make this respond to a remote_for_tag so that I can just have an ajax button indicate it has been "skipped": Here's what I tried, but while it creates a Contact_Email, I end up getting an error when I want to go back and view all the Contacts again. def skip @contact_email = ContactEmail.new @contact_email.contact_id = params[:contact_id] @contact_email.email_id = params[:email_id] @contact_email.status = "skipped" if @contact_email.save flash[:notice] = "skipped email" redirect_to contact_emails_url end end

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• I have to generate PL/SQL using Java. Most of the procedures are common. Only a few keeps changing.

  - by blog

  I have to generate PL-SQL code, with some common code(invariable) and a variable code. I don't want to use any external tools. Some ways that I can think: Can I go and maintain the common code in a template and with markers, where my java code will generate code in the markers and generate a new file. Maintain the common code in static constant String and then generate the whole code in StringBuffer and at last write to file. But, I am not at all satisfied with both the ideas. Can you please suggest any better ways of doing this or the use of any design patterns or anything? Thanks in Advance.

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• A web application that uses someone else's mail server?

  - by John

  I'm building a web application, call it http://mywebapp.com, where a user should be able to create a newsletter and email it to everyone in his user account's contact list. So he can check mark all his friends, select an html template, fill in the body content, and send. The only catch to this is that after the user sends the email, the recipient must NOT be allowed to trace the source of the email back to http://mywebapp.com. The reason for this condition is because the user is a "reseller" of my business who wants to appear as if he's an independent business. If liability issues arise due to the reseller's unduly usage, I do not want to be caught up in the legal issues. Hence, I do not want anything about my business or technology to be traceable back to me by newsletter recipients. What's the best way to achieve this?

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• generating function arguments in java

  - by aloishis89

  I'm very new to java and am working on my first Android app. I am using the webview demo as a template. I am trying to generate a random integer between 1 and 12 and then call a certain javascript function based on the result. Here's what I have: int number = 1 + (int)(Math.random() * ((12 - 1) + 1)); number = (int) Math.floor(number); String nextQuote = "javascript:wave" + number + "()"; mWebView.loadUrl(nextQuote); So mWebView.loadUrl(nextQuote) will be the same as something like mWebView.loadUrl("javascript:wave1()") I just want to know if what I have here is correct and will work the way I think it will. The application isn't responding as expected and I suspect this bit of code is the culprit.

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• Simple user control for conditionally rendering nested HTML

  - by Goyuix

  What I would like to do, is be able to pass two attributes to a user control, a ListName and a Permission, like so: <uc:check id="uc" List="Shared Documents" Permission="OpenItems" runat="server"> <!-- have some HTML content here that is rendered if the permission is true --> </uc:check> Then in the actual check user control, have something similar to: <%@ Control language="C#" ClassName="check" %> <% // determine permission magic placeholder if (DoesUserHavePermissions(perm)) { // render nested HTML content } else { // abort rendering as to not show nested HTML content } %> I have read the page on creating a templated control on MSDN, and while that would work - it really seems to be a bit overkill for what I am trying to do. Is there a control that already renders content based on a boolean expression or a simpler template example? http://msdn.microsoft.com/en-us/library/36574bf6.aspx

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• Using C++ is a Linked-List implementation without using pointers possible or not?

  - by sonicoder

  My question is very simply, can one using C++, implment a link-list data structure without using pointers (next nodes)? To further qualify my question, I'm mean can one create a Linked-List data structure using only class instantiations. A common node definition might be like so: template<typename T> struct node { T t; node<T>* next; node<T>* prev; }; I'm aware of std::list etc, I'm just curious to know if its possible or not - and if so how? code examples will be greatly appreciated.

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• LINQ to SQL auto-generated type for stored procedure

  - by StuffHappens

  Hello. I have the following stored procedure ALTER PROCEDURE [dbo].Test AS BEGIN CREATE TABLE ##table ( ID1 int, ID2 int ) DECLARE @query varchar(MAX); INSERT INTO ##table VALUES(1, 1); SELECT * FROM ##table; END And I try to use it from C# code. I use LINQ to SQL as an O/RM. When I add the procedure to DataBaseContext it says that it can't figure out the return value of this procedure. How to modify the stored procedure so that I can use it with LINQ to SQL. Note: I need to have global template table!

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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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• server reboot has caused django project to lose directories

  - by wmfox3

  A fully functional Django project as well as a couple in development have all broken following the rebooting of the server. In addition to some pieces of the Django admin returning errors as well as missing .js and .css files, I'm getting errors like this when viewing pages that include images uploaded through the admin. Exception Type: TemplateSyntaxError Exception Value: Caught an exception while rendering: (2, 'No such file or directory') Exception Location: /usr/lib/pymodules/python2.6/django/template/debug.py in render_node, line 81 Python Executable: /usr/bin/python Python Version: 2.6.4 So did the reboot stomp on some part of my configuration/setup or did it fail to restart a critical piece?

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• What is good practice for writing web applications that control daemons (and their config files)

  - by Jones R

  Can someone suggest some basic advice on dealing with web applications that interact with configuration files like httpd.conf, bind zone files, etc. I understand that it's bad practice, in fact very dangerous to allow arbitrary execution of code without fully validating it and so on. But say you are tasked to write a small app that allows one to add vhosts to an apache configuration. Do you have your code execute with full privileges, do you write future variables into a database and have a cron job (with full privileges) execute a script that pulls the vars from the database and throws them into a template config file, etc. Some thoughts & contributions on this issue would be appreciated. tl;dr - how can you securely write a web app to update/create entries in a config file like apache's httpd.conf, etc.

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• SOW, SLA, TOS....am i missing anything else ?

  - by fwfwfw

  when doing long term sale of service or software, what type of legal contracts need to be drafted ? i'm not a lawyer, and was looking for a general template on statement of work, service level agreements and terms of services. how are java enterprise applications requiring server side logic, delivered by the vendor to the client ? do they deliver the actual hardware server with everything installed ? java apps can be decompiled and source code exposed, what type of legal paper would you need to draft to protect your asset and Intellectual property ?

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• How should I structure my iPhone OpenGL ES 1.1 game?

  - by Ryan

  I am building an iPhone OpenGL ES 1.1 game. I am using the OpenGL ES template provided by xcode. I am only using the ES1Renderer. I've coded some basic touch actions the user can take, and I've begun to think about the overall structure of the code. All I'm really doing is using C in the ES1Renderer.m for my entire game state. I have an array of bullet structs, an array on enemy structs, etc.. Besides using this structure, where my entire game state is in ES1Renderer.m as C arrays and structs, what other ways are there to structure the code? Should I be using C++ or Objective-C classes to represent the enemies so they are more modular? The main reason I ask this is because I don't normally code in C, C++ and Objective-C..so I am a little fuzzy on coming up with a good architecture here.

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