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• Rails: show some examples of code from controllers, models and views

  - by Totty

  Hy, my controller example: class FriendsController < ApplicationController before_filter :authorize, :except => [:friends] ############## ############## ## REQUESTS ## ############## ############## ################## # GET MY FRIENDS # ################## # Get my friends. def friends @friends = @my_profile.friends.paginate({:page => params[:page], :per_page => 3}) @profile = @my_profile end ################### # REMOVED FRIENDS # ################### # Get my deleted friends. def removed_friends @removed_friends = @my_profile.friends('removed_friends', params[:page]) end ################### # PENDING FRIENDS # ################### # Friend requests made by other profiles to me. def pending_friends @pending_friends = @my_profile.friends('pending_friends', params[:page]) end ############################ # REJECTED PENDING FRIENDS # ############################ # Rejected friend requests made by other profiles to me. def rejected_pending_friends @rejected_pending_friends = @my_profile.friends('rejected_pending_friends', params[:page]) end ##################### # REQUESTED FRIENDS # ##################### # The friend requests I've sent to others profiles. def requested_friends @requested_friends = @my_profile.friends('requested_friends', params[:page]) end ############################# # DELETED REQUESTED FRIENDS # ############################# # The requests I've sent to others # profiles and then canceled. def deleted_requested_friends @deleted_requested_friends = @my_profile.friends('deleted_requested_friends', params[:page]) end ############# ############# ## ACTIONS ## ############# ############# ########################## # ADD FRIENDSHIP REQUEST # ########################## # Add a friendship request. def add_friendship_request friendship = @my_profile.add_friendship_request(params[:profile_id]) render :json => friendship end ############################# # REMOVE FRIENDSHIP REQUEST # ############################# # Removes a friendship request I've done. def remove_friendship_request friendship = @my_profile.remove_friendship_request(params[:profile_id]) render :json => friendship end ###################### # PROCESS FRIENDSHIP # ###################### # Process friendship: accept or reject a friend. # This will make a new friend or # will make a new rejected pending friend. def process_friendship friendship = @my_profile.process_friendship(params[:profile_id].to_i, params[:accepted].to_i) render :json => friendship end ################### # REMOVE A FRIEND # ################### # Remove a friend from my friends by id. def remove_friend friendship = @my_profile.remove_friend(params[:profile_id]) render :json => friendship end end

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• XML to Type - Quick way?

  - by MRFerocius

  Team; How are you doing? Im breaking my head trying to do this that seems simple but I can't figure it out... Suppose I have this XML as a string: <calles> <calle> <nombre>CALLAO AV.</nombre> <altura>1500</altura> <longitud>-58.3918617027</longitud> <latitud>-34.5916734896</latitud> <barrio>Recoleta</barrio> </calle> </calles> And and have this Type I created to map that XML: public class Ubicacion { public string Latitud { get; set; } public string Longitud { get; set; } public string Nombre { get; set; } public string Altura { get; set; } public string Barrio { get; set; } public Ubicacion() { } } I need to take that XML file and create an object with those values... Does somebody know a quick way to do it? with C#? I have been trying this but is not working at all... XElement dir = XElement.Parse(text); Ubicacion informacion = from d in dir.Elements("calle"). select new Ubicacion { Longitud = d.Element("longitud").Value, Latitud = d.Element("latitud").Value, Altura = d.Element("altura").Value, Nombre = d.Element("nombre").Value, Barrio = d.Element("barrio").Value, }; return informacion.Cast<Ubicacion>(); } Any ideas? Thanks!!!

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• How to sign installation files of a Visual Studio .msi

  - by Alex

  This may be a duplicate, though I can't find it at this time. If so please point me in the right direction. I recently purchased an authenticode certificate from globalsign and am having problems signing my files for deployment. There are a couple of .exe files that are generated by a project and then put into a .msi. When I sign the .exe files with the signtool the certificate is valid and they run fine. The problem is that when I build the .msi (using the visual studio setup project) the .exe files loose their signatures. So I can sign the .msi after it is built, but the installed .exe files continue the whole "unknown publisher" business. How can I retain the signature on these files for installation on the client machine? You help is appreciated. -Alex

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• Netbeans code formatting issue

  - by synchronicity

  For some reason the Format command (Source-Format) in Netbeans 6.8 is not representative of my configuration in Tools-Options-Editor. Is there something special I have to do to have my Editor options reflected in the Format command? Thanks.

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• jQuery - $.each loop through json code

  - by Ice

  Due to the way my serverside script outputs I receive multiple JSON objects. {jsonhere}{jsonhere1}{jsonhere2}{jsonhere3} etc.. They aren't seperated by anything. If I would do a split based }{ I would lose those brackets. So is there an outerloop I can put over the regular $.each loop to make this work? Thank you, Ice

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• How to run code before program exit?

  - by carter-boater

  Hi all, I have a little console C# program like Class Program { static void main(string args[]) { } } Now I want to do something after main() exit. I tried to write a deconstructor for Class Program, but it never get hit. Does anybody know how to do it. Thanks a lot

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• Create System.Data.Linq.Table in Code for Testing

  - by S. DePouw

  I have an adapter class for Linq-to-Sql: public interface IAdapter : IDisposable { Table<Data.User> Activities { get; } } Data.User is an object defined by Linq-to-Sql pointing to the User table in persistence. The implementation for this is as follows: public class Adapter : IAdapter { private readonly SecretDataContext _context = new SecretDataContext(); public void Dispose() { _context.Dispose(); } public Table<Data.User> Users { get { return _context.Users; } } } This makes mocking the persistence layer easy in unit testing, as I can just return whatever collection of data I want for Users (Rhino.Mocks): Expect.Call(_adapter.Users).Return(users); The problem is that I cannot create the object 'users' since the constructors are not accessible and the class Table is sealed. One option I tried is to just make IAdapter return IEnumerable or IQueryable, but the problem there is that I then do not have access to the methods ITable provides (e.g. InsertOnSubmit()). Is there a way I can create the fake Table in the unit test scenario so that I may be a happy TDD developer?

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• Rewriting UNIX cal(1)

  - by dharmatech

  Hello, Today I was testing out SRFI 19 and wrote a simple version of the UNIX cal(1) command. Here's a version in R6RS Scheme which runs in Ikarus and Ypsilon. A few example runs. Schemers: How would you write it? Use your favorite implementation. Ruby and Python: I'm guessing that y'all have elegant date and time libraries. I'm sure you can put the Schemers to shame. ;-) Let's see what ya got. I'd also like to see Haskell and golfed versions. Is there a Stack Overflow tag for re-implementations of UNIX commands? :-) Ed

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• TortoiseSVN: how to set up projects on a existing directory structure of source code

  - by Steve

  I have an old pet project I want to revive (haven't had enough time for it last year - small kid - you know) - so restored old copy of my dev folder from archive, but since I have rebuilt my machine since when - I can't remember what needs to be done now. I installed the latest version of TortoiseSVN, and the existing directory structure from my old dev machine looks like: ProjectName *SubProject1 **branches ***1.1 ***1.2 **tags **trunk *SubProject2 **branches **1.0.3 **1.0.4 **1.0.5 **tags **trunk I tried "import project" but it ask for a url - don't know what to specify there ... can someone post a url to a good TortSVN tutorial - so I could set up my projects quickly (I guess I need to setup SubProject1 and SubProject2) - then I install AnkhSVN for VS2008 and will spend this Sunday coding like crazy while I still have some time ;-)

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• What are Database Smells? What is the easiest way to correct them?

  - by Danijel Arsenovski

  Scott W. Ambler has put up a good list of basic database smells. It would be good to see how these can be corrected, what database refactorings can be applied as a remedy and if any smells are missing from the list. For ground rules when replying, take a look at question on programming smells if you please.

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• java cosine similarity problem

  - by agazerboy

  Hi again :) I developed some java program to calculate cosine similarity on the basis of TF*IDF. It worked very well. But there is one problem.... :( for example: If I have following two matrix and I want to calculate cosine similarity it does not work as rows are not same in length doc 1 1 2 3 4 5 6 doc 2 1 2 3 4 5 6 7 8 5 2 4 9 if rows and colums are same in length then my program works very well but it does not if rows and columns are not in same length. Any tips ???

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• Multi-threading mechanisms to run some lengthy operations from winforms code and communication with

  - by tmarouda

  What do I want to achieve: I want to perform some time consuming operations from my MDI winforms application (C# - .NET). An MDI child form may create the thread with the operation, which may take long time (from 0.1 seconds, to even half hour) to complete. In the meantime I want the UI to respond to user actions, including manipulation of data in some other MDI child form. When the operation completes, the thread should notify the MDI child that the calculations are done, so that the MDI child can perform the post-processing. How can I achieve this: Should I use explicit threading (i.e., create explicit threads), thread pools? Or simply just propose your solution. Should I create foreground or background threads? And how does the thread communicates with the GUI, according the solution you propose? If you know of a working example that handles a similar situation, please make a note.

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• Spring MVC annotation config problem

  - by Seth

  I'm trying to improve my spring mvc configuration so as to not require a new config file for every servlet I add, but I'm running into problems. I've tried using this tutorial as a starting point, but I'm running into an issue that I can't figure out. The problem is that when I do a GET to my servlet, I get back a 404 error. Here's my config and a representative java snippet from a Controller: web.xml: <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <display-name>SightLogix Coordination System</display-name> <description>SightLogix Coordination System</description> <servlet> <servlet-name>Spring MVC Dispatcher Servlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value> /WEB-INF/application-context.xml /WEB-INF/application-security.xml </param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Spring MVC Dispatcher Servlet</servlet-name> <url-pattern>/slcs/*</url-pattern> </servlet-mapping> <context-param> <param-name>contextConfigLocation</param-name> <param-value> /WEB-INF/application-context.xml /WEB-INF/application-security.xml </param-value> </context-param> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <filter> <filter-name>springSecurityFilterChain</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> </filter> <filter-mapping> <filter-name>springSecurityFilterChain</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app> application-context.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd" default-init-method="init" default-destroy-method="destroy"> <mvc:annotation-driven /> <context:component-scan base-package="top.level" /> </beans> application-security.xml: <beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd"> <http> <intercept-url pattern="/**" access="ROLE_MANAGER" requires-channel="https" /> <http-basic /> </http> <authentication-manager> <authentication-provider user-service-ref="myUserDetailsService"> <password-encoder hash="sha"/> </authentication-provider> </authentication-manager> <beans:bean id="myUserDetailsService" class="path.to.my.UserDetailsServiceImpl"> </beans:bean> </beans:beans> Snippet of a Controller class (one of many, but they all look essentially like this): @Controller @RequestMapping("/foo.xml") public class FooController { @RequestMapping(method=RequestMethod.GET) public void handleGET(HttpServletRequest request, HttpServletResponse response) throws IOException { ... Can anyone tell me what I'm doing incorrectly? Thanks!

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• Representing C#3 code as an Abstract Syntax Tree in XML

  - by Pierreten

  I was wondering if there is something similar to GCC_XML for C#3; basically a way to represent a program's entire syntactic structure in XML. Once the representation is created, I was hoping to parse it into an XDocument and interpret or query it from there. Are there tools out there for this?

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• Where can I obtain the Red5 SOSample Source File?

  - by Iscariot

  I was hoping to procure the src for SOSample in Red 5 in order to better understand some of the commands they use within the demonstrations that us SOSample.

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• How would I shorten this If... Else... statement to check the state of a Date?

  - by Ian Roke

  I am a C# programmer but dabbling in VB.Net because everybody else in my team uses it. In the interests of professional development I would like to shrink the following If... Else... statement. If cmd.Parameters("@whenUpdated").Equals(DBNull.Value) Then item.WhenUpdated = cmd.Parameters("@whenUpdated").Value Else item.WhenUpdated = Nothing End If Cheers, Ian.

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• Java code To convert byte to Hexadecimal

  - by Vivek

  Hi, I have an array of bytes. I want each byte String of that array to be converted to its corresponding hexadecimal values. Is there any function in Java to convert a byte String to Hexadecimal ? Regards Vivek

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• Converting ASP.NET web site to MVC2

  - by kapil

  I have my existing web site developed using ASP.NET. It's college management system. Now I need to redevelop it on MVC2. What all changes do I need to do? I am little bit aware of MVC and have done some exercises also. Thing I know is I can keep my database intact but there will be massive changes at other places. WHat will be the better way to minimize the changes?

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• Asp.Net MVC Tutorial Unit Tests

  - by Nicholas

  I am working through Steve Sanderson's book Pro ASP.NET MVC Framework and I having some issues with two unit tests which produce errors. In the example below it tests the CheckOut ViewResult: [AcceptVerbs(HttpVerbs.Post)] public ViewResult CheckOut(Cart cart, FormCollection form) { // Empty carts can't be checked out if (cart.Lines.Count == 0) { ModelState.AddModelError("Cart", "Sorry, your cart is empty!"); return View(); } // Invoke model binding manually if (TryUpdateModel(cart.ShippingDetails, form.ToValueProvider())) { orderSubmitter.SubmitOrder(cart); cart.Clear(); return View("Completed"); } else // Something was invalid return View(); } with the following unit test [Test] public void Submitting_Empty_Shipping_Details_Displays_Default_View_With_Error() { // Arrange CartController controller = new CartController(null, null); Cart cart = new Cart(); cart.AddItem(new Product(), 1); // Act var result = controller.CheckOut(cart, new FormCollection { { "Name", "" } }); // Assert Assert.IsEmpty(result.ViewName); Assert.IsFalse(result.ViewData.ModelState.IsValid); } I have resolved any issues surrounding 'TryUpdateModel' by upgrading to ASP.NET MVC 2 (Release Candidate 2) and the website runs as expected. The associated error messages are: *Tests.CartControllerTests.Submitting_Empty_Shipping_Details_Displays_Default_View_With_Error: System.ArgumentNullException : Value cannot be null. Parameter name: controllerContext* and the more detailed at System.Web.Mvc.ModelValidator..ctor(ModelMetadata metadata, ControllerContext controllerContext) at System.Web.Mvc.DefaultModelBinder.OnModelUpdated(ControllerContext controllerContext, ModelBindingContext bindingContext) at System.Web.Mvc.DefaultModelBinder.BindComplexModel(ControllerContext controllerContext, ModelBindingContext bindingContext) at System.Web.Mvc.Controller.TryUpdateModel[TModel](TModel model, String prefix, String[] includeProperties, String[] excludeProperties, IValueProvider valueProvider) at System.Web.Mvc.Controller.TryUpdateModel[TModel](TModel model, IValueProvider valueProvider) at WebUI.Controllers.CartController.CheckOut(Cart cart, FormCollection form) Has anyone run into a similar issue or indeed got the test to pass?

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• Find out if assembly is signed with Authenticode

  - by crauscher

  I use an assembly of a 3rd party vendor. In an older version this assembly used authenticode. This caused the assembly loading to last quiet long. The developer of the vendor told me that the new version is not signed with authenticode. How can I check if this is true. On my development machine the assembly loading was quiet fast. Only on client machines it took quiet a while. Is it possible to check this using a network sniffer? Regards

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• iPhone XCode programming: execute code when change tab in a tab bar application

  - by Antonio Murgia

  Hello! I'm developing a simple tab bar application for school. It has 3 tabs. One of them plays music in streaming and I would like to stop the music playing when the user changes the tab. Is this possible? and How? Thank you in advance!

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• x86 instruction encoding tables

  - by Cheery

  I'm in middle of rewriting my assembler. While at it I'm curious about implementing disassembly as well. I want to make it simple and compact, and there's concepts I can exploit while doing so. It is possible to determine rest of the x86 instruction encoding from opcode (maybe prefix bytes are required too, a bit). I know many people have written tables for doing it. I'm not interested about mnemonics but instruction encoding, because it is an actual hard problem there. For each opcode number I need to know: does this instruction contain modrm? how many immediate fields does this instruction have? what encoding does an immediate use? is the immediate in field an instruction pointer -relative address? what kind of registers does the modrm use for operand and register fields? sandpile.org has somewhat quite much what I'd need, but it's in format that isn't easy to parse. Before I start writing and validating those tables myself, I decided to write this question. Do you know about this kind of tables existing somewhere? In a form that doesn't require too much effort to parse.

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• Binary dependency Graph Drawing...

  - by Javad Kamiabi

  Hi I Need a tool to have the dependency graph of some binary codes, not for open codes... Can you suggest me any thing?

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• Example of configuring wxStyledTextCtrl/wxScintilla control as code editor for custom language

  - by Greg

  How do you enable actions like Goto line number Find(/Replace) There don't appear to be default triggers for these actions. There are a bunch of methods on the control, but I'm missing the first step of how to get the 'events' that would trigger these. For instance, how does one hook ctrl+f or F3/Alt+F3 in the control and make them do a find? Should I be looking at each key using EVT_STC_KEY? Would also like any examples of using this control with Custom language definition (say something similar to C++, but not C++) Auto completion (basic keywords to start, or including variables)

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• Removing unused local variables from .NET code

  - by Jesse

  Is there a tool available that can scan a C# or VB.NET project and automatically remove all unused local variables?

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