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• ASP.NET MVC TDD with LINQ and SQL database

  - by dean nolan

  I am trying to start a new MVC project with tests and I thought the best way to go would have 2 databases. 1 for testing against and 1 for when I run the app and use it (also test really as it's not production yet). For the test database I was thinking of putting create table scripts and fill data scripts within the test setup method and then deleting all this in the tear down method. I am going to be using Linq to SQL though and I don't think that will allow me to do this? Will I have to just go the ADO route if I want to do it this way? Or should I just use a mock object and store data as an array or something?. Any tips on best practices? How did Jeff go about doing this for StackOveflow?

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• Using non primitive types in ServiceOperation for WCF Data Service (3.5SP1)

  - by Nix

  Is there any way at all to create a "mock" entity type for use in a WCF Service Operation? We have some queries we do that we need to optimize by exposing as a ServiceOperation. The problem is in order to do so we would result in a very long list of primitative types... Ex SomeoneHelpMe(int time, string name, string address, string i, string purple, string foo, int stillGoing, int tooMany, etc...) And we really need to reduce this to SomeoneHelpedMe(CustomEntityNotMappedToAnything e) This would also help us when it comes time to write some complex queries since there is a 3 param limitation... I saw this will be possible in 4.0 using "complex types", but i am still in the 3.5SP1 world. Let me know if anyone needs more information.

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• Ninject: Dynamically loading modules in Silverlight

  - by joblot

  The reason I want to load modules dynamically is to avoid circular dependency issue. I have following layers View -- ViewModel -- DataProvider -- ServiceClient (wcf proxies). Now I want a static IoC container that can be shared across these layers. I want to make my View testable and to do that I’ll have to inject the various dependencies in various layers and mock out those dependencies as well. Now issue I am facing is where to declare and load ninject modules. i also realised in Silverlight version of Ninject there is no version of Load which take string arugment, which can be used to load the modules dynamically Load("*.dll"). How can I achieve dynamic loading in Silverlight Thanks

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• What is the best approach towards styling GWT applications?

  - by Ashwin

  General approach in GWT is to use Panels and then apply custom CSS themes to get a customized look. While I can achieve a certain extent of personalization of my GWT app through CSS tinkering, I was wondering how others generally approach styling. Some of the suggestions I came across the web were to manage layout with plain HTML, through use of HTMLPanel's. This way one can straightaway use the HTML mock-up within the application without having to code all the layout. So what in your opinion is the best and least painful way to approach layout and custom styling of GWT application?

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• Is there a way to create custom UIDataDetectorTypes?

  - by KingAndrew

  Hi All, What I am trying to do is create tooltip functionality so that certain words in my instructional app can be tapped and the definition pops up. For the popup part I plan on using code from “AFInformationView” which provides bubbles on the iPhone. The part I'm struggling with is how to associate A particular word's location with the bubble. Currently I have the text on a UILabel that is on a custom UITableCell. Since I calculate the row height on the fly with: [textToUse sizeWithFont:[UIFont systemFontOfSize:FONT_SIZE] constrainedToSize:CGSizeMake(stop-start, 500)]; I'm not sure what the coordinates for a specific word will be. I was thinking that if I created a custom DataDetectorType that could be the fix. If anyone knows how to do this or has any other ideas I would be happy to hear them. Thanks, Andrew

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• Which operating systems book should I go for?

  - by pecker

  Hi, I'm in a confusion. For our course (1 year ago) I used Stallings. I read it. It was fine. But I don't own any operating system's book. I want to buy a book on operating systems. I'm confused!! which one to pick? Modern Operating Systems (3rd Edition) ~ Andrew S. Tanenbaum (Author) Operating System Concepts ~ Abraham Silberschatz , Peter B. Galvin, Greg Gagne Operating Systems: Internals and Design Principles (6th Edition) ~ William Stallings I've plans of getting into development of realworld operating systems : Linux, Unix & Windows Driver Development. I know that for each of these there are specific books available. But I feel one should have a basic book on the shelf. So, which one to go for?

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• Have you been in cases where TDD increased development time?

  - by BillyONeal

  Hello everyone :) I was reading http://stackoverflow.com/questions/2512504/tdd-how-to-start-really-thinking-tdd and I noticed many of the answers indicate that tests + application should take less time than just writing the application. In my experience, this is not true. My problem though is that some 90% of the code I write has a TON of operating system calls. The time spent to actually mock these up takes much longer than just writing the code in the first place. Sometimes 4 or 5 times as long to write the test as to write the actual code. I'm curious if there are other developers in this kind of a scenario.

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• Django: How to create a model dynamically just for testing

  - by muhuk

  I have a Django app that requires a settings attribute in the form of: RELATED_MODELS = ('appname1.modelname1.attribute1', 'appname1.modelname2.attribute2', 'appname2.modelname3.attribute3', ...) Then hooks their post_save signal to update some other fixed model depending on the attributeN defined. I would like to test this behaviour and tests should work even if this app is the only one in the project (except for its own dependencies, no other wrapper app need to be installed). How can I create and attach/register/activate mock models just for the test database? (or is it possible at all?) Solutions that allow me to use test fixtures would be great.

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• What process does professional website building follow?

  - by Sivvy

  I've searched for a while, but I can't find anything related on Google or here. Me and some friends were debating starting a company, so I figure it might be good to do a quick pilot project to see how well we can work together. We have a designer who can do HTML, CSS and Flash, enjoys doing art, but doesn't like to do HTML and CSS... And 2 programmers that are willing to do anything. My question is, from an experienced site builder's perspective, what steps do we do - in chronological order - to properly handle a website? Does the designer design the look and feel of the site, then the programmers fill in the gaps with functionality? Or do the programmers create a "mock-up" of the site with most of the functionality, then the designer spices it up? Or is it more of a back-and-forth process? I just want to know how a professional normally handles it.

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• struts validation problem in IE

  - by user265201

  I am using Struts 2.1.8 and facing validation problem in IE. I am getting the following error An exception occurred: Error. Error message: Invalid argument. I tried out to figure out the cause and found the following. My generated javascript code is: field = form.elements['district.name']; var error = "Enter only alphabets for district"; if (continueValidation && field.value != null && !field.value.match("^[a-zA-Z ]*$")) { addError(field, error); errors = true; } I tried to mock up by putting the same code in a function and calling it in onclick event. The method addError() throws the exception and the reason is field variable. If I change it to field[0], it works fine. How to fix this error?

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• Mod_rewrite shortening url .htaccess

  - by Peter

  is there any way to hide redirected url, here is what I think: RewriteEngine On RewriteCond %{REQUEST_FILENAME} -f RewriteRule ^(.*)$ http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI}&force So the long redirected url http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} to something shorter like /mintedomain.com/track/ It is possible? Adrian edit: Andrew: This is a stats software Mint (haveamint.com) with File Download tracker plugin. The File Download tracker works in this way: in .htaccess every file (zip, rar, txt,...) is redirected to the tracker.php file (because the stats): http://mydomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} So the redirected url look like this for a zip file: http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://mydomain/downloads/apple.zip This redirected URL is very long and ugly. The best for me would be to redirect this redirected URL to something shorter URL: example: http://mydomain.com/track/downloads/apple.zip.. So the http://mydomain.com/track would be the http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php

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• Why won't my anonymous function fire on grid.prerender?

  - by adam0101

  In my gridview I have fields for inserting a new record in the footer. In my objectdatasource selecting event if no records came back I bind a single mock row to force the footer to show so they can still add records. Since the row does not contain real data I hide the row. ... If result.ItemCount = 0 Then result = mockRow AddHandler mygridview.PreRender, AddressOf HideRow End If End Sub Private Sub HideRow(ByVal sender as Object, ByVal e as EventArgs) mygridview.Rows(0).Visible = False End Sub This works fine. However, I'd like to condense it like this: ... If result.ItemCount = 0 Then result = mockRow AddHandler mygridview.PreRender, Function() mygridview.Rows(0).Visible = False End If End Sub This compiles fine, but the row doesn't get hidden. Can anyone tell me why my anonymous function isn't getting hit?

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• Bash commands not executed when through cron job - PHP

  - by basicxman

  Hi there! I have a cron job running a PHP script every five minutes; the PHP script executes two bash commands at the end of the script. I know the script is running due to a log file it appends to. When I run the PHP script manually via the Ubuntu Gnome Terminal both bash commands execute flawlessly; however when the PHP script is triggered via cron, the two bash commands are not ran. Any ideas? $command = 'notify-send "' . count($infoleakPosts) . ' New Posts."'; `$command`; $command = 'firefox http://example.com'; `$command`; */1 * * * * php /home/andrew/grab.php USERNAME PASSWORD # JOB_ID_1

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• Mocking a non-settable child property with Rhino Mocks

  - by Marcus

  I currently have interfaces much like the following: interface IService { void Start(); IHandler ServiceHandler { get; } } interface IHandler { event EventHandler OnMessageReceived; } Using Rhino Mocks, it's easy enough to mock IService, but it doesn't assign any IHandler instance to the ServiceHandler property. Therefore when my method under test adds an event handler to _mockedService.ServiceHandler.OnMessageReceived, I get an 'Object reference not set' error. How can I ensure that ServiceHandler is assigned a value in the mocked IService instance? This is likely Rhino Mocks 101, but I'm just getting up to speed on it...

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• strerror_r returns trash when I manually set errno during testing

  - by Robert S. Barnes

  During testing I have a mock object which sets errno = ETIMEDOUT; The object I'm testing sees the error and calls strerror_r to get back an error string: if (ret) { if (ret == EAI_SYSTEM) { char err[128]; strerror_r(errno, err, 128); err_string.assign(err); } else { err_string.assign(gai_strerror(ret)); } return ret; } I don't understand why strerror_r is returning trash. I even tried calling strerror_r(ETIMEDOUT, err, 128) directly and still got trash. I must be missing something. It seems I'm getting the gnu version of the function not the posix one, but that shouldn't make any difference in this case.

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• moqing static method call to c# library class

  - by Joe

  This seems like an easy enough issue but I can't seem to find the keywords to effect my searches. I'm trying to unit test by mocking out all objects within this method call. I am able to do so to all of my own creations except for this one: public void MyFunc(MyVarClass myVar) { Image picture; ... picture = Image.FromStream(new MemoryStream(myVar.ImageStream)); ... } FromStream is a static call from the Image class (part of c#). So how can I refactor my code to mock this out because I really don't want to provide a image stream to the unit test.

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• C# LINQ Where Predicate Type Arguments

  - by blu

  I have an XElement with values for mock data. I have an expression to query the xml: Expression<Func<XElement, bool>> simpleXmlFunction = b => int.Parse(b.Element("FooId").Value) == 12; used in: var simpleXml = xml.Elements("Foo").Where(simpleXmlFunction).First(); The design time error is: The type arguments for method 'System.Linq.Enumerable.Where(System.Collections.Generic.IEnumerable, System.Func)' cannot be inferred from the usage. Try specifying the type arguments explicitly' The delegate supplied to Where should take in an XElement and return a bool, marking if the item matches the query, I am not sure how to add anything more to the delegate or the where clause to mark the type. Also, the parallel method for the real function against the Entity Framework does not have this issue. What is not correct with the LINQ-to-XML version?

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• What is the correct way to unit test areas around exceptions

  - by Codek

  Hi, Looking at our code coverage of our unit tests we're quite high. But the last few % is tricky because a lot of them are catching things like database exceptions - which in normal circumstances just dont happen. For example the code prevents fields being too long etc, so the only possible database exceptions are if the DB is broken/down, or if the schema is changed under our feet. So is the only way to Mock the objects such that the exception can be thrown? That seems a little bit pointless. Perhaps it's better to just accept not getting 100% code coverage? Thanks, Dan

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• In Rails, how can a record belong_to a single user, but also have multiple "secondary" users?

  - by Kuro

  In my app, I have a User model and a Project model. A user has_many assignments and each project belongs_to a user. But along with each project having an owner, the user who created it, I would like the owner be able to share it with others (so that the project gets shown on the other users' account along with their own). I imagine having to use has_many :through, and setting up a projects_users table with a user_id and a project_id. And I guess this would be the end result? Project.first.user # The creator of the project => #<User id: 1, name: 'andrew', etc...> Project.first.users # The users that the creator chose to share it with => [#<User id: 2 ...>, #<User id: 3 ...>] How would I go about doing this? Thanks!

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• javascript: capturing load event on LINK

  - by pgn

  hello everyone, i'm trying to attach an event handler to the load event of a link tag, to execute some code after a stylesheet has loaded. new_element = document.createElement('link'); new_element.type = 'text/css'; new_element.rel = 'stylesheet'; new_element.href = 'http://domain.tld/file.css'; new_element.addEventListener('load', function() { alert('foo'); }, false); document.getElementsByTagName('head')[0].appendChild(new_element) i have tried onreadystatechange as well new_element.onreadystatechange = function() { alert('foo'); } unfortunately neither approach results in an alert being triggered.. Furthermore, new_element.onload is null after registering a handler for the 'load' event with addEventListener.. is that normal? thanks, andrew ps: i may not use any framework in solving this

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• jQuery photo carousel (that looks like a real carousel)?

  - by kastru

  I am on the lookout for a jQuery photo carousel that can display 3 images at a time, and circle through x amount of photos (and when reaching the last, starting with the first photo again). I made a quick mock-up of what i am looking fore - see it here. So there is 3 photos vissible, the middle one beeing the 'main' one and a bit bigger than the previous and next (left and right). Upon clicking the next/previous arrows the next or previous photo slides into the middle and thereby becomes the main photo. Any ideas to where i can find such a jQuery plugin/script?

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• Heap corruption detected error when attempting to free pointer

  - by AndyGeek

  Hi, I'm pretty new to C++ and have run into a problem which I have not been able to solve. I'm trying to convert a System::String to a wchar_t pointer that I can keep for longer than the scope of the function. Once I'm finished with it, I want to clean it up properly. Here is my code: static wchar_t* g_msg; int TestConvert() { pin_ptr<const wchar_t> wchptr = PtrToStringChars("Test"); g_msg = (wchar_t*)realloc(g_msg, wcslen(wchptr) + 1); wcscpy(g_msg, wchptr); free (g_msg); // Will be called from a different method } When the free is called, I'm getting "HEAP CORRUPTION DETECTED: after Normal block (#137) at 0x02198F90." Why would I be getting this error? Andrew L

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• Groovy: stub typed reference

  - by Don

  Hi, I have a Groovy class similar to class MyClass { Foo foo } Under certain circumstances I don't want to initialize foo and want to stub out all the calls to it. Any methods that return a value should do nothing. I could do it like this: Foo.metaClass.method1 = {param -> } Foo.metaClass.method2 = { -> } Foo.metaClass.method3 = {param1, param2 -> } While this will work, it has a couple of problems Tedious and long-winded, particularly if Foo has a lot of methods This will stub out calls to any instance of Foo (not just foo) Although Groovy provides a StubFor class, if I do this: this.foo = new groovy.mock.interceptor.StubFor(Foo) I get a ClassCastException at runtime. Although this would work if I could redefine foo as: def foo But for reasons I won't go into here, I can't do that. Thanks, Don

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• How can I override an HTML "rules" attribute using CSS?

  - by ajoten

  The DITA Open Toolkit automatically inflicts some inline table attributes when one publishes to HTML, including frame="border" and rules="all". I need to override this "rules" attribute using CSS styles for cells, and while I can get the desired result in IE and Chrome, Firefox puts solid black gridlines in the table and refuses to budge on the matter. Obviously I can't edit the HTML, company policy is to not edit the XSLT, so how can I remove these gridlines using CSS alone? I've tried various cunning combinations of border-xxxxxx styles and given them !important declarations to no effect. Thanks, Andrew

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• What is wrong with Stubs for unit testing?

  - by MatthewMartin

  I just watched this funny YouTube Video about unit testing (it's Hitler with fake subtitles chewing out his team for not doing good unit tests--skip it if you're humor impaired) where stubs get roundly criticized. But I don't understand what wrong with stubs. I haven't started using a mocking framework and I haven't started feeling the pain from not using one. Am I in for a world a hurt sometime down the line, having chosen handwritten stubs and fakes instead of mocks (like Rhinomock etc)? (using Fowler's taxonomy) What are the considerations for picking between a mock and handwritten stub?

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