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• Ajaxcontrol toolkit ConfirmButtonExtender with radiobuttonlist control

  - by chugh97

  I have a Yes/No Radiobutton List, When the asp.net page is loaded, if there are items in the gridview this radio is defaulted to Yes. Now if the user clicks no, I have to delete all the items for the gridview and persist them in db. But I want to show a confimation whether the user wants to go ahead doing this operation. If user clciks Yes then go ahead and delete the rows in gridview if no then keep the original radio setting to Yes. I have been struggling to get this to work as the ConfirmButtonExtender which opens up a modalpopup extender even before I know what has been clicked on the radio. If the radio is preselected with Yes, then if I clcik no, the Modal extender is shown and in the Page PreRender event handler the value of the radio is still Yes and not No as extender is run on click using ajax and it doesnt know the correct value of the radio.Even if I use onClick client side javascript to find out which option has been chosen the difficulty is then executing the server side delete command to the db. Has anyone enconuntered this problem before? Any solutions would be appreciated.

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• C++ non-member functions for nested template classes

  - by beldaz

  I have been writing several class templates that contain nested iterator classes, for which an equality comparison is required. As I believe is fairly typical, the comparison is performed with a non-member (and non-friend) operator== function. In doing so, my compiler (I'm using Mingw32 GCC 4.4 with flags -O3 -g -Wall) fails to find the function and I have run out of possible reasons. In the rather large block of code below there are three classes: a Base class, a Composed class that holds a Base object, and a Nested class identical to the Composed class except that it is nested within an Outer class. Non-member operator== functions are supplied for each. These classes are in templated and untemplated forms (in their own respective namespaces), with the latter equivalent to the former specialised for unsigned integers. In main, two identical objects for each class are compared. For the untemplated case there is no problem, but for the templated case the compiler fails to find operator==. What's going on? #include <iostream> namespace templated { template<typename T> class Base { T t_; public: explicit Base(const T& t) : t_(t) {} bool equal(const Base& x) const { return x.t_==t_; } }; template<typename T> bool operator==(const Base<T> &x, const Base<T> &y) { return x.equal(y); } template<typename T> class Composed { typedef Base<T> Base_; Base_ base_; public: explicit Composed(const T& t) : base_(t) {} bool equal(const Composed& x) const {return x.base_==base_;} }; template<typename T> bool operator==(const Composed<T> &x, const Composed<T> &y) { return x.equal(y); } template<typename T> class Outer { public: class Nested { typedef Base<T> Base_; Base_ base_; public: explicit Nested(const T& t) : base_(t) {} bool equal(const Nested& x) const {return x.base_==base_;} }; }; template<typename T> bool operator==(const typename Outer<T>::Nested &x, const typename Outer<T>::Nested &y) { return x.equal(y); } } // namespace templated namespace untemplated { class Base { unsigned int t_; public: explicit Base(const unsigned int& t) : t_(t) {} bool equal(const Base& x) const { return x.t_==t_; } }; bool operator==(const Base &x, const Base &y) { return x.equal(y); } class Composed { typedef Base Base_; Base_ base_; public: explicit Composed(const unsigned int& t) : base_(t) {} bool equal(const Composed& x) const {return x.base_==base_;} }; bool operator==(const Composed &x, const Composed &y) { return x.equal(y); } class Outer { public: class Nested { typedef Base Base_; Base_ base_; public: explicit Nested(const unsigned int& t) : base_(t) {} bool equal(const Nested& x) const {return x.base_==base_;} }; }; bool operator==(const Outer::Nested &x, const Outer::Nested &y) { return x.equal(y); } } // namespace untemplated int main() { using std::cout; unsigned int testVal=3; { // No templates first typedef untemplated::Base Base_t; Base_t a(testVal); Base_t b(testVal); cout << "a=b=" << testVal << "\n"; cout << "a==b ? " << (a==b ? "TRUE" : "FALSE") << "\n"; typedef untemplated::Composed Composed_t; Composed_t c(testVal); Composed_t d(testVal); cout << "c=d=" << testVal << "\n"; cout << "c==d ? " << (c==d ? "TRUE" : "FALSE") << "\n"; typedef untemplated::Outer::Nested Nested_t; Nested_t e(testVal); Nested_t f(testVal); cout << "e=f=" << testVal << "\n"; cout << "e==f ? " << (e==f ? "TRUE" : "FALSE") << "\n"; } { // Now with templates typedef templated::Base<unsigned int> Base_t; Base_t a(testVal); Base_t b(testVal); cout << "a=b=" << testVal << "\n"; cout << "a==b ? " << (a==b ? "TRUE" : "FALSE") << "\n"; typedef templated::Composed<unsigned int> Composed_t; Composed_t c(testVal); Composed_t d(testVal); cout << "c=d=" << testVal << "\n"; cout << "d==c ? " << (c==d ? "TRUE" : "FALSE") << "\n"; typedef templated::Outer<unsigned int>::Nested Nested_t; Nested_t e(testVal); Nested_t f(testVal); cout << "e=f=" << testVal << "\n"; cout << "e==f ? " << (e==f ? "TRUE" : "FALSE") << "\n"; // Above line causes compiler error: // error: no match for 'operator==' in 'e == f' } cout << std::endl; return 0; }

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• Google Web Toolkit in eclipse randomly requires me to reset GWT SDK

  - by Phuong Nguyen de ManCity fan

  I downloaded and install the latest version of Google App Engine Plugin into my Eclipse and created a project with it using both GAE SDK and GWT SDK. The funny thing is, randomly, my project become subjective to error, like the class RemoteServiceServlet cannot be resolved. The errors will be removed if I go to the configure tab of the project and change the GWT SDK from Default to Specific version (or vice versa). Has anyone ever encountered the same error? What the heck is it?

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• lightweight cryptography toolkit(s) for c++ and python

  - by Joey

  Hi, I'm looking to do some basic encryption of server messages which'd be encrypted with C++ and decrypted using Python serverside. I was wondering if anyone knew if there were good solutions that were simpler or more lightweight than Keyczar. I see that supports both C++ and python, but would using Crypto++ and PyCrypto be simpler for a newbie that just wants to get something up and running for the time being? Or should I use Keyczar for python and Crypto++ for the C++ end? The C++ libraries seem to have dependencies to hundreds of files.

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• how to sort Gridview rows by a unbound Template column

  - by Nickson

  i want to sort my Gridview rows by a template column that is not bound to any database field. This template coulmn just has a label whose text i set in code depending on a value in a different column that is databound. So am stuck on how to set its sortExpression since its not linked to an column.

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• Check if a template tag is loaded in Django

  - by Sævar

  Is there a way to check if a template tag exists before using the template tag? In other words, I would like to be able to do something like this: {% load my_custom_tags %} ... {% ifloaded my_custom_tags %} {% some_custom_tag %} {% endifloaded %}

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• Retrieving the URL in Django template language

  - by Vernon

  In a Django template, how could I refer to the URL. I want to use it in static pages, to avoid having live links to the current page. Is there a way to do this with the Django template language or do I have to use JavaScript to do it? I would like to do something like {% if current_url == "/about/" %} About {% else %} <a href='/about/'>About</a> {% endif %} I'm using it for a simple blog, so there are no views written for those pages.

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• Format date in String Template email

  - by Gearóid

  I'm creating an email using String Template but when I print out a date, it prints out the full date (eg. Wed Apr 28 10:51:37 BST 2010). I'd like to print it out in the format dd/mm/yyyy but don't know how to format this in the .st file. I can't modify the date individually (using java's simpleDateFormatter) because I iterate over a collection of objects with dates. Is there a way to format the date in the .st email template?

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• XSLT modify node before applying template

  - by Grigory

  I have an XSL code that processes some nodes and if some condition is true, before doing apply-template select="." i need to modify current node(add and attribute). How can i add an attribute to the node before calling apply-template select=".", or it is not possible at all ?

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• UIHint can not resolve template in abstract models

  - by Reza Owliaei

  Assume an abstract model like this: public abstract class MyClass : BaseEntity { [UIHint("File")] public long? DocumentFileId { get; set; } } The problem is Cannot resolve template 'File', while there is File.cshtml in View editor templates. The point is, if I don't define MyClass as an abstract class, error will be solved. My question is, why editor template can not resolve in abstract classes, and how can I handle it?

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• Simple Binding question, unable to bind to button command in a DataTemplate using MVVM Light Toolkit

  - by deliberative assembly

  I've been attempting to bind to buttons within a DataTemplate without much success. The button does not fire. Button Click works successfully outside of the DataTemplate. Yet if I create a Click="button_click" the click button is fired. The Button Content binds perfectly as well. Example to illustrate.. Why does the command not fire? Advice on how this should be handled this? The example is a simplified version of my real problem, I am currently not using a Listbox. I only recreated the same problem with a listbox..

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• C++ string template library

  - by Gopalakrishnan Subramani

  I want simple C++ string based template library to replace strings at runtime. For example, I will use string template = "My name is {{name}}"; At runtime, I want the name to be changed based on actual one. I found one example, www.stringtemplate.org but I little scared when its talks about antlr etc.

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• How to return number of rows in the template

  - by xRobot

  In my view I return all posts of one blog: posts = Post.objects.filter(blog=blog) and pass it to context. But.. How can I get the number of posts in the template ? This is my template: <h1>Number of posts: {{ ??? }} </h1> {% for post in posts %} {{ post.title }} {{ post.body }} {% endfor %}

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• Setting the AccountController in ASP.NET MVC 1.0 Template Not to Connect to SQL Server Express

  - by Maxim Z.

  I'm writing a website in ASP.NET MVC, using the ASP.NET MVC 1.0 template that was added to VS2008 for me by the ASP.NET MVC installer. The template automatically adds an AccountController, but its account methods tie into a SQL Server Express entity. I don't have Express installed here. How can I reconfigure it to use my SQL Server 2008 database and to store user info in some columns in a User table I've already created?

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• WPF button template alignment not setting correctly

  - by Dave Colwell

  Hi guys, I have created a button template consisting of a border and a content presenter. A style is then wrapped around this template and applied to a button, when this button is used it is not carrying the values for horizontal and vertical alignment. In the designer the allignments are showing and the button is in the correct place, but when i run the program the button appears to have horizontal alignment = left and vertical alignment = right. Any ideas?

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• Lua template processor question

  - by PeterMmm

  I'm going to use that template engine LTP . There is not so much doc available. Now i'm stuck how to pass an environment into the render engine. I have basically this: local ltp = require("ltp.template") ltp.render(io.stdout, 1, "index.dhtm", false, {}, "<?lua", "?>", { total="2400" }) What data structure should be the last parameter (env_code), a string, a table with key=val ?

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• Styling WPF Toolkit DataGrid Column Headers

  - by ChrisFletcher

  Hi, I'm having an issue styling the WPF Datagrid, I've styled the column headers (of type ColumnHeader). But when the data in the columns does not fill the full width of the grid an additional column is added to pad out the grid. This column ignores the ColumnHeader style and looks out of place presumably because the element has a different type, I've looked through the library in object browser but I can't find this element. I've also considered fixing the sizes so this column is unnecessary but thats not a viable option. The problem is demonstrated in the following article: http://blogs.msdn.com/jaimer/archive/2009/01/20/styling-microsoft-s-wpf-datagrid.aspx The element I mean is in the top right, just to the right of green column 3 and just above the cell with the row background arrow.

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• How to pass paramater into code-template in eclipse-plugin

  - by 01

  i know how to make code template, but how to pass parameter into template? like ${name:param}?

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• Template does not exist: 500.html

  - by xRobot

  I have created a template for 500 http error. I have insert my template 500.html in: 1) /project/ 2) /project/templates/ 3) /python2.5/ 4) /python2.5/templates/ . but I always get this error: TemplateDoesNotExist: 500.html Same problem for Http 404 error. WHY ???

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• Problem with the way the Ajax Control Toolkit tab control sets the default submit button

  - by Colin

  We have a tab control containing some textboxes for doing a search. When you keypress inside one of the textboxes, the tab control sets the default button to be the button immediately following the tab control. This is fine because that's the search button. The problem occurs after the button is clicked and results returned. Now there is no default button, and keypress does nothing. Any suggestions?

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• Sharepoint Custom Field default template

  - by Mina Samy

  Hi all I want to develop a custom lookup field for sharepoint. I created a class as the following public class CustomLookupControl:BaseFieldControl and overided this method protected override string DefaultTemplateName { get { return base.DefaultTemplateName; } } but when I edit an item I find that the place of the field is empty. my question is that I don't want to implement a custom rendering template for the field, I want to use the default template of the lookup field how can this be achieved.

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• [C++] Multiple inheritance from template class

  - by Tom P.

  Hello, I'm having issues with multiple inheritance from different instantiations of the same template class. Specifically, I'm trying to do this: template <class T> class Base { public: Base() : obj(NULL) { } virtual ~Base() { if( obj != NULL ) delete obj; } template <class T> T* createBase() { obj = new T(); return obj; } protected: T* obj; }; class Something { // ... }; class SomethingElse { // ... }; class Derived : public Base<Something>, public Base<SomethingElse> { }; int main() { Derived* d = new Derived(); Something* smth1 = d->createBase<Something>(); SomethingElse* smth2 = d->createBase<SomethingElse>(); delete d; return 0; } When I try to compile the above code, I get the following errors: 1>[...](41) : error C2440: '=' : cannot convert from 'SomethingElse *' to 'Something *' 1> Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast 1> [...](71) : see reference to function template instantiation 'T *Base<Something>::createBase<SomethingElse>(void)' being compiled 1> with 1> [ 1> T=SomethingElse 1> ] 1>[...](43) : error C2440: 'return' : cannot convert from 'Something *' to 'SomethingElse *' 1> Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast The issue seems to be ambiguity due to member obj being inherited from both Base< Something and Base< SomethingElse , and I can work around it by disambiguating my calls to createBase: Something* smth1 = d->Base<Something>::createBase<Something>(); SomethingElse* smth2 = d->Base<SomethingElse>::createBase<SomethingElse>(); However, this solution is dreadfully impractical, syntactically speaking, and I'd prefer something more elegant. Moreover, I'm puzzled by the first error message. It seems to imply that there is an instantiation createBase< SomethingElse in Base< Something , but how is that even possible? Any information or advice regarding this issue would be much appreciated.

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• Traits vs template

  - by lapinferoce

  I m new in scala and i wonder what's the differences between traits and template ? When should i use template and when should i use traits ? thanks

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• Returning modified data to a template

  - by Duncan

  I need to amend QuerySet data when i return it to a template. for example, model.objects.all() returns a date (with other fields), but i also want to return the number of days since that date has passed. This is so that in the template, i can say "you last logged in 4 days ago". What is the best way to do this?

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• How to generate Ruby documentation using different template?

  - by htanata

  I want to generate the Ruby documentation with hanna template. How to do that? Or where can I download it if it's available at all? Using rdoc -o ~/doc --inline-source --line-numbers --format=html --template=hanna gives me docs with missing methods. It seems like it doesn't generate methods written in C.

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