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• ASP.NET MVC Best Implementation Practices

  - by RSolberg

  I've recently been asked to completely rewrite and redesign a web site and the owner of the company has stressed that he wants the site to be made with the latest and greatest technology available, but to avoid additional costs. As of right now, I'm torn between looking into a CMS implementation and writing a new implementation with MVC. The site is mainly brochure ware, but will need to allow the visitors to submit some data through forms. There are quite a few lists and content features that are dynamic and should be treated as such. Since ASP.NET MVC is new, I don't want to bastardize the implementation if I go that way... Any recommendations on best implementation practices for a MVC website? Also, has anyone had their MVC implementation hosted anywhere that they would recommend?

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• VS 2010 Test Runner error "The agent process was stopped while the test was running."

  - by driis

  In Visual Studio 2010, I have a number of unit tests. When I run multiple tests at one time using test lists, I sometimes reveive the following error for one or more of the tests: The agent process was stopped while the test was running. It is never the same test failing, and if I try to run the test again, it succeeds. I found this bug report on Connect, which seems to be the same problem, but it does not offer a solution. Has anyone else seen this behaviour ? How I can avoid it ?

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• Asp.Net MVC - Plugins Directory, Community etc?

  - by Jörg Battermann

  Good evening everyone, I am currently starting to dive into asp.net mvc and I really like what I see so far.. BUT I am somewhat confused about 'drop-in' functionality (similiar to what rails and it's plugins and nowadays gems are), an active community to contact etc. For rails there's github with one massiv index of plugins/gems/code-examples regarding mostly rails (despite their goal being generic source-code hosting..), for blogs, mailing lists etc it's also pretty easy to find the places the other developers flock around, but... for asp.net mvc I am somewhat lost where to go/look. It all seems scattered across codeplex and private sites, google code hosting etc etc.. but is there one (or few places) where to turn to regarding asp.net mvc development, sample code etc? Cheers and thanks, -Jörg

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• jQuery: check all checkboxes

  - by pcampbell

  Consider this scenario: <asp:CheckBoxList> in a master page. the goal is to have all checkboxes in this list to be checked on page load. there are many checkbox lists on the page. The markup: <asp:CheckBoxList runat="server" ID="chkSubscriptionType" DataSourceID="myDS" CssClass="boxes" DataTextField="Name" DataValueField="Name" /> renders to: <input id="ctl00_cphContent_chkSubscriptionType_0" type="checkbox" name="ctl00$cphContent$chkSubscriptionType$0" /> Question: how can you use jQuery to check all boxes in this asp:CheckBoxList on document.ready? I see samples everywhere, but naming convention used by the master page throws off the samples in other places.

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• Caching Solutions

  - by dave

  Has anyone done a thorough comparison of AppFabric and NCache or AppFabric and ScaleOut? We are currently looking to implement either AppFabric, NCache or ScaleOut for distributed caching in geographically distant locations and I would like to know anyone's thoughts who has compared them side by side. I appreciate that many people use one or the other and tell me why their chosen solution is great but I am really looking for a comparison of the two products. Such things as what does AppFabric not do or not do well (if anything), partially from a features point of view but also from developer's point of view. Is working with one compared to the other nicer, easier, more flexible, more powerful, etc. There are plenty of lists of features which I can compare but am really looking for a comparison from someone who has perhaps been in a similar position to us and has performed the evaluation that we are about to launch into which will give us some food for thought whilst we do so. Thanks in advance.

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• Unit testing several implementation of the same trait/interface

  - by paradigmatic

  I program mostly in scala and java, using scalatest in scala and junit for unit testing. I would like to apply the very same tests to several implementations of the same interface/trait. The idea is to verify that the interface contract is enforced and to check Liskov substitution principle. For instance, when testing implementations of lists, tests could include: An instance should be empty, if and only if and only if it has zero size. After calling clear, the size sould be zero. Adding an element in the middle of a list, will increment by one the index of rhs elements. etc. What are the best practices ?

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• Common Pitfalls in Python

  - by Anurag Uniyal

  Today I was bitten again by "Mutable default arguments" after many years. I usually don't use mutable default arguments unless needed but I think with time I forgot about that, and today in the application I added tocElements=[] in a pdf generation function's argument list and now 'Table of Content' gets longer and longer after each invocation of "generate pdf" :) My question is what other things should I add to my list of things to MUST avoid? Mutable default arguments Import modules always same way e.g. from y import x and import x are different things, they are treated as different modules. Do not use range in place of lists because range() will become an iterator anyway, the following will fail: myIndexList = [0,1,3] isListSorted = myIndexList == range(3) # will fail in 3.0 isListSorted = myIndexList == list(range(3)) # will not same thing can be mistakenly done with xrange: `myIndexList == xrange(3)`. Catching multiple exceptions try: raise KeyError("hmm bug") except KeyError,TypeError: print TypeError It prints "hmm bug", though it is not a bug, it looks like we are catching exceptions of type KeyError,TypeError but instead we are catching KeyError only as variable TypeError, use this instead: try: raise KeyError("hmm bug") except (KeyError,TypeError): print TypeError

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• What's a good bit of JS or JQuery for horizontally scrolling news ticker

  - by Graphain

  Hi, I am looking for a little bit of JQuery or JS that allows me to produce a horizontally scrolling "news ticker" list. The produced HTML needs to be standards compliant as well. I have tried liScroll but this has a habit of breaking (some content ends up on a second line at the start of the scroll), especially with longer lists. I have also tried this News Ticker but when a DOCTYPE is included the scrolling will jolt rather than cycle smoothly at the end of each cycle. Any suggestions are appreciated. Edit So thanks to Matt Hinze's suggestion I realised I could do what I wanted to do with JQuery animate (I require continuous scrolling not discrete scrolling like the example). However, I quickly ran into similar problems to those I was having with liScroll and after all that realised a CSS issue (as always) was responsible. Solution: liScroll - change the default 'var stripWidth = 0' to something like 100, to give a little space and avoid new line wrapping.

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• Is google gson running on android?

  - by Janusz

  I'm playing arround with google gson for communication with my web back end at the moment. This and this older posts indicate that there are some problems with gson on android. I did some easy tests on the device already but maybe I just missed the bug. Edit I'm now parsing a lot more data. Generic lists etc. still not encountered the bug. Has anybody used gson on Android already? How does it work? Has somebody encountered bugs or something that will stop me from using it once it gets more complicated?

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• Setting the background colour/highlight colour for a given string range using Core Text

  - by Jasarien

  I have some text laid out using Core Text in my iPhone app. I'm using NSAttributedString to set certain styles within the text for given ranges. I can't seem to find an attribute for setting a background / highlight colour, though it would seem it is possible. I couldn't find an attribute name constant that sounded relevant and the documentation only lists: kCTCharacterShapeAttributeName kCTFontAttributeName kCTKernAttributeName kCTLigatureAttributeName kCTForegroundColorAttributeName kCTForegroundColorFromContextAttributeName kCTParagraphStyleAttributeName kCTStrokeWidthAttributeName kCTStrokeColorAttributeName kCTSuperscriptAttributeName kCTUnderlineColorAttributeName kCTUnderlineStyleAttributeName kCTVerticalFormsAttributeName kCTGlyphInfoAttributeName kCTRunDelegateAttributeName Craig Hockenberry, developer of Twitterrific has said publicly on Twitter that he uses Core Text to render the tweets, and Twitterrific has this background / highlight that I'm talking about when you touch a link. Any help or pointers in the right direction would be fantastic, thanks. Edit: Here's a link to the tweet Craig posted mentioning "Core text, attributed strings and a lot of hard work", and the follow up that mentioned using CTFrameSetter metrics to work out if touches intersect with links.

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• Generic List<T> as IEnumerable<object>

  - by Avi

  I'm trying to do cast a List to an IEnumerable, so I can verify that different lists are not null or empty: Suppose myList is a List < T . Then in the caller code I wanted: Validator.VerifyNotNullOrEmpty(myList as IEnumerable<object>, @"myList", @"ClassName.MethodName"); The valdiating code would be: public static void VerifyNotNullOrEmpty(IEnumerable<object> theIEnumerable, string theIEnumerableName, string theVerifyingPosition) { string errMsg = theVerifyingPosition + " " + theIEnumerableName; if (theIEnumerable == null) { errMsg += @" is null"; Debug.Assert(false); throw new ApplicationException(errMsg); } else if (theIEnumerable.Count() == 0) { errMsg += @" is empty"; Debug.Assert(false); throw new ApplicationException(errMsg); } } However, this doens't work. It compiles, but theIEnumerable is null! Why?

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• How to create a typed stack using Objective-C

  - by Xetius

  I can create a stack class quite easily, using push and pop accessor methods to an NSArray, however. I can make this generic to take any NSObject derived class, however, I want to store only a specific class in this stack. Ideally I want to create something similar to Java's typed lists (List or List) so that I can only store that type in the stack. I can create a different class for each (ProjectStack or ItemStack), but this will lead to a more complicated file structure. Is there a way to do this to restrict the type of class I can add to a container to a specific, configurable type?

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• Eclipse warning: "<methodName> has non-API return type <parameterizedType>"

  - by Tenner

  My co-worker and I have come across this warning message a couple times recently. For the below code: package com.mycompany.product.data; import com.mycompany.product.dao.GenericDAO; public abstract class EntityBean { public abstract GenericDAO<Object, Long> getDAO(); // ^^^^^^ <-- WARNING OCCURS HERE } the warning appears in the listed spot as EntityBean.getDAO() has non-API return type GenericDAO<T, ID> A Google search for "has non-API return type" only shows instances where this message appears in problem lists. I.e., there's no public explanation for it. What does this mean? We can create a usage problem filter in Eclipse to make the message go away, but we don't want to do this if our usage is a legitimate problem. Thanks!

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• OpenGL Diffuse Lighting Shader Bug?

  - by anon

  The Orange book, section 16.2, lists implementing diffuse lighting as: void main() { vec3 N = normalize(gl_NormalMatrix * gl_Normal); vec4 V = gl_ModelViewMatrix * gl_vertex; vec3 L = normalize(lightPos - V.xyz); gl_FrontColor = gl_Color * vec4(max(0.0, dot(N, L)); } However, when I run this, the lighting changes when I move my camera. On the other hand, when I change vec3 N = normalize(gl_NormalMatrix * gl_Normal); to vec3 N = normalize(gl_Normal); I get diffuse lighting that works like the fixed pipeline. What is this gl_NormalMatrix, what did removing it do, ... and is this a bug in the orange book ... or am I setting up my OpenGl code improperly?

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• Aptify (.NET CRM Solution) to MailChimp Synchronization

  - by Cord Blomquist

  I'm trying to determine what is involved in synchronizing MailChimp, the popular bulk email service, with Aptify, the .NET-powered CRM my company uses. MailChimp supplies a .NET wrapper DLL which should make this process much easier. They also advertise a 3rd-party solution: Sync Module for .Net systems - MailChimp Sync Module makes it easier for developers to synchronize their lists from any datasource to mailchimp. It has been developed in C# on the mailchimp .NET wrapper. Check it out here. Provided by Wim De Coninck. What steps would have to take to use these tools to get MailChimp and Aptify playing nicely together?

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• What "already invented" algorithm did you invent?

  - by Guy

  In my question Insert Update stored proc on SQL Server I explained an efficient way of doing an insert/update - perhaps THE most efficient. It's nothing amazing but it's a small algorithm that I came up with in a mini-Eureka moment. Although I had "invented" it by myself and secretly hoped that I was the first to do so I knew that it had probably been around for years but after posting on a couple of lists and not getting confirmation I had never found anything definitive written up about it. So my questions: What software algorithm did you come up with that you thought that you'd invented? Or better yet, did you invent one?

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• Most used .NET namespace

  - by Michael Prewecki

  What is your most commonly used namespace in .NET. I know it will vary greatly based upon the types of projects you develop but the stack overflow audience should provide a fairly decent sample set for the types of .NET projects being developed. I'm simply interest in the name of the namespace (one namespace per answer and no one person should have more than one answer, if someone else has the same answer as you then just upvote their answer). Try to be as specific as possible (so answering System, isn't helpful). I'm after this information to help new developers focus their attention on the most common .NET namespaces...there are after all thousands of them! To start off mine is almost certainly System.Collections.Generic, I use lists of things everywhere.

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• List of Selenium RC browser launchers

  - by jacksenechal

  I am trying to find a full list of Selenium RC browser launchers. So far I've not been able to find any documentation that lists them all. I've gathered the following ones from various sources. *iexplore - Launches IE *firefox - Launches Firefox *safari - Launches Safari *opera - Launches Opera *chrome - Launches special Firefox profile with elevated security privileges, to bypass Javascript security errors *iehta - Launches IE with elevated security privileges *piiexplore - Launches IE in proxy injection mode *pifirefox - Launches Firefox in proxy injection mode *custom - Launches your own custom browser executable Are there any others lurking out there? Is there any source of documentation on how each one is used?

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• Change Check Out Folder for checked out files in SourceSafe

  - by Town

  I had to rebuild my machine and went from XP to Windows 7. I've now got a bit of an issue: I had files checked out in SourceSafe previously, which I still have copies of in the local folder on my new install. However, SourceSafe still has them checked out to the old XP folder (c:\documents and settings etc) whereas the files now reside in c:\Users. Pending Checkins in Visual Studio now thinks I have nothing checked out, and SourceSafe declares that the files are checked out to me under the c:\documents and settings\ path. Is there any way to tell SourceSafe to simply "look over there" for the files instead? It seems to work with individually undoing and redoing checkout on the files, but that's a lengthy process and one I'd like to avoid if possible. If I simply checkout the files individually then it lists them as checked out to me twice, one for each of the locations. Any pointers would be very much appreciated!

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• How can I drag from a connected vertical list to the first item of a another list below with jQueryUI Sortable?

  - by Denis Hoctor

  Hi all, I have have several ULs vertically down a page. They are setup using jQueryUI's sortable(). My live example is: http://jsfiddle.net/pborreli/pJgyu/ I can drag from answers to make it the final element in questions. But when I drag from questions to answers the placeholder jumps to the second item in the questions list. At that point I can then drag it to the top. Any ideas why I am having this issue dragging from a list above to the first element of a list below? I've tried editing the padding and margin on both the lists and the sortable items. Thanks, Denis

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• how do i call an overloaded action in .net mvc?

  - by Jeff Martin

  I have an overloaded action in my Controller: public ActionResult AssignList(int id) { ... } [AcceptVerbs((HttpVerbs.Get))] public ActionResult AssignList(int id, bool altList) { ... } I'd like to use the same partial view for both lists but it will potentially have a differently filtered list of Images. I am trying to call it from another view using RenderAction: <% Html.RenderAction("AssignList", "Image", new { id = Model.PotholeId, altList = true }); %> However I am getting the following error: The current request for action 'AssignList' on controller type 'ImageController' is ambiguous between the following action methods: System.Web.Mvc.ActionResult AssignList(Int32) on type UsiWeb.Controllers.ImageController System.Web.Mvc.ActionResult AssignList(Int32, Boolean) on type UsiWeb.Controllers.ImageController How can I call the specific overload?

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• How do I gain Control of a row in Tabular Layout in Oracle

  - by DotNetDan

  This might be simple but I am new to Oracle. I am using Oracle 10g and have a form that lists our information from a linked table in a tabular Layout. The last column of data is a "list Item" item type that has the Element list of Enabled (T) and Disabled (F). What I need is when a user changes this dropdown, to disabled, I want ONLY that row to have some of the columns be disabled and not the entire column. This is also assuming on load of the form, it will disable and enable rows of data depending on what values are being pulled from the EnabledDisabled column in the database. Thanks for the help!

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• NHibernate: Mapping collections of value types

  - by Anry

  I have a table Order, Transaction, Payment. Class Order has the properties: public virtual Guid Id { get; set; } public virtual DateTime Created { get; set; } ... I added properties: public virtual IList<Transaction> Transactions { get; set; } public virtual IList<Payment> Payments { get; set; } These properties contain a record of tables [Transaction] and [Payment]. How to keep these lists in the database?

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• Communicating between PHP and Java using ActiveMQ/Stomp

  - by scompt.com

  Background I have two services that need to communicate with each other over a message queue. One is a legacy service written in PHP and the other is in Java. Sooner than later, the PHP service will be rewritten in Java. The current way they communicate with each other is to write to a shared database, which the other service polls. This is what I'm trying to get away from and replace with a message queue. Problem The communication I'm working on right now is from the PHP service to the Java service. It needs to send a relatively complex object (strings and and integers and lists and maps of strings and integers). Ideally, the solution would be workable in PHP and ideal in Java, as that's going to be the legacy of this project. Possible Solutions 1.

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• Getting 401 on Twitter OAuth POST requests

  - by Baishampayan Ghose

  I am trying to use Twitter OAuth and my POST requests are failing with a 401 (Invalid OAuth Request) error. For example, if I want to post a new status update, I am sending a HTTP POST request to https://twitter.com/statuses/update.json with the following parameters - status=Testing&oauth_version=1.0&oauth_token=xxx& oauth_nonce=xxx&oauth_timestamp=xxx&oauth_signature=xxx& oauth_consumer_key=xxx&in_reply_to=xxx&oauth_signature_method=HMAC-SHA1` My GET requests are all working fine. I can see on the mailing lists that a lot of people have had identical problems but I could not find a solution anywhere. I am using the oauth.py Python library.

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