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• Unit testing methods decorated with custom attributes

  - by Joel Cunningham

  I am trying to retrofit unit tests on to some existing code base. Both the class and method I want to unit test is decorated with custom attributes. These attributes are fairly sophisticated and I dont want them to run as part of the unit test. The only solution I have come up with is to compile the attribute out when I want to unit test. I dont really like this solution and would prefer to either replace it with a mocked attribute at runtime or prevent the attribute from running in a more elegant way. How do you unit test code that has class and method attributes that you dont want to run as part of a unit test? Thanks in advance.

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• .htaccess rewrite rule to add a string in the middle of the URL

  - by Mike Crittenden

  Using a .htaccess rewrite rule, I need to add "?q=" before the path on any URL's containing the word "imagecache" Therefore, if the URL is: http://mysite.com/sites/default/files/imagecache/myimage.jpg ...then it will really try: http://mysite.com/?q=sites/default/files/imagecache/myimage.jpg But that will ONLY happen if the URL contains "imagecache." Otherwise, it does no rewriting. Also, this will only happen if /sites/default/files/imagecache/myimage.jpg isn't already an existing image file. I believe I can do that using: RewriteCond %{REQUEST_FILENAME} !-f ...right? It's just the first part that I can't figure out.

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• Stack data storage order

  - by Jamie Dixon

  When talking about a stack in either computing or "real" life we usually assume a "first on, last off" type of functionality. Because the idea of a stack is based around something in the physical world, does it matter how the data in the stack is stored? I notice in a lot of examples that the storage of the stack data is quite often done using an array and the newest item added to the stack is placed at the bottom of the array. (like adding a new plate to an existing stack of plates except putting it underneath the other plates rather than on top). As a paradigm, does it matter in what order the data is stored within the stack as long as the operation of the stack acts as expected?

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• UITextView adding text to new line

  - by Subro

  I would like to add new lines of text to my UITextView for my iPhone app. Basically my textview starts with a single line, and as app advances, new lines are added. However I can add only to the end or beginning of the existing text. How can I make such an entry into a new line. Can I manually send \n to the textview.text at a calculated range/location. E.g. of what I mean. line 1: This is first line of text. This is second line 2: line of text. --- I want: line 1: This is first line of text. line 2: This is second line of text. Thanks!

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• Design for a machine learning artificial intelligence framework

  - by Lirik

  This is a community wiki which aims to provide a good design for a machine learning/artificial intelligence framework (ML/AI framework). Please contribute to the design of a language-agnostic framework which would allow multiple ML/AI algorithms to be plugged into a single framework which: runs the algorithms with a user-specified data set. facilitates learning, qualification, and classification. allows users to easily plug in new algorithms. can aggregate or create an ensemble of the existing algorithms. can save/load the progress of the algorithm (i.e. save the network and weights of a neural network, save the tree of a decision tree, etc.). What is a good design for this sort of ML/AI framework?

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• Select From MySQL PHP

  - by Liju

  Sir, I have one Database Table named "table1" with 8 column, that is Date, Time, Name, t1, t2, t3, t4, t5. I want to update the same table like the following... my existing table:- Date Time Name t1 t2 t3 t4 t5 10/11/2010 08:00 bob 10/11/2010 09:00 bob 10/11/2010 10:00 bob 10/11/2010 13:00 bob 10/11/2010 10:00 john 10/11/2010 12:00 john 10/11/2010 14:00 john 12/11/2010 08:00 bob 12/11/2010 09:00 bob 12/11/2010 10:00 bob 12/11/2010 13:00 bob 12/11/2010 10:00 john 12/11/2010 12:00 john 12/11/2010 14:00 john 12/11/2010 16:00 john I want to update this as follows :- Date Time Name t1 t2 t3 t4 t5 10/11/2010 08:00 bob 08:00 09:00 10:00 13:00 10/11/2010 10:00 john 10:00 12:00 14:00 12/11/2010 08:00 bob 08:00 09:00 10:00 13:00 12/11/2010 10:00 john 10:00 12:00 14:00 16:00 is it posible to update like this please help me.. Liju

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• OpenId + Facebook Connect

  - by Claudio Redi

  Hi! I have a request for implementing a login system using local credentials + openId + facebook-connect. So a user could sign up/sign in using any of the 3 possibilities. I think that allowing OpenId AND facebook connect adds some flexibility in one had, but in other hand adds some restrictions since you have to integrate all different logic and make existing differences transparent for users. What do you think? Any good reference for managing federated login using both external mechanisms? Any well known site doing it right now?

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• iText PdfPTables, document.add with writeSelectedRows

  - by J2SE31

  I am currently modifying an existing system that generates reports with iText and java. The report template is as follows: Header1(PdfPTable) Header2(PdfPTable) Body(PdfPTable) I am currently using the writeSelectedRows to display Header1 and Header2, but document.add is used to display the Body. The problem is that the system is setup to write the headers AFTER the body has already been displayed on the screen, so I am displaying my headers on top of my body content. My question is how do I add my body table (using document.add) and have it display about halfway down the page (or any predetermined vertical position)? This way I would have sufficient room to display my headers above the body table. Note: I believe the body table is using document.add to facilitate automatic paging if the body content is too large.

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• Flex 3 color picker no color value

  - by kha.ya.ru

  I need "no color" value in flex 3/4 color picker component. Here are some options I've investigated: 1) External componet. Searched a lot but didn't managed to find a suitable one. There is a great color picker that meets my needs completely, but it is in action script 2 format. I need as3. 2) Enhance the existing built-in color picker component. So here I need your help. Do you have any ideas how the built-in color picker component can be enhanced in order to support "no color" value?

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• Creating Tables and Retrieving Query results with Dynamics AX 2009 business connector

  - by namenlos

  I'm writing a C# command line tool to fetch data from AX and to add data (create new tables) to AX. Fetching data from an AX table is easy and documented here: http://msdn.microsoft.com/en-us/library/cc197126.aspx Adding data to an existing table is also easy: http://msdn.microsoft.com/en-us/library/aa868997.aspx But I cannot figure out how to do two things: Create a new AX Table Retrieve data from an AX Query Can someone please share some sample code or give some pointers on where to start looking. My searches on Google and MSDN have not revealed much. NOTE: I am not an experienced AX or ERP developer.

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• OpenCV multiply scalar and a Matrix

  - by jarjarbinks

  Hi, I am trying to find the easiest way to add, subtract a scalar value with a opencv 2.0 cv::Mat class. Most of the existing function allows only matrix-matrix and matrix-scalar operations. I am looking for a scalar-matrix operations. I am doing it currently by creating a temporary matrix with the same scalar value and doing required arithmetic operation. Example below.. Mat M(Size(100,100), CV_8U); Mat temp = Mat::ones(100, 100, CV_8U)*255; M = temp-M; But I think there should be better/easier ways to do it. Any suggestions ?

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• Pylons FormEncode @validate decorator pass parameters into re-render action

  - by joelbw

  I am attempting to use the validate decorator in Pylons with FormEncode and I have encountered an issue. I am attempting to validate a form on a controller action that requires parameters, and if the validation fails, the parameters aren't passed back in when the form is re-rendered. Here's an example. def question_set(self, id): c.question_set = meta.Session.query(QuestionSet).filter_by(id=id).first() c.question_subjects = meta.Session.query(QuestionSubject).order_by(QuestionSubject.name).all() return render('/derived/admin/question_set.mako') This is the controller action that contains my form. The form will add questions to an existing question set, which is identified by id. My add question controller action looks like this: @validate(schema=QuestionForm(), form='question_set', post_only=True) def add_question(self): stuff... Now, if the validation fails FormEncode attempts to redisplay the question_set form, but it does not pass the id parameter back in, so the question set form will not render. Is it possible to pass the id back in with the @validate decorator, or do I need to use a different method to achieve what I am attempting to do?

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• Hitting a ADO.NET Data Services from WPF client, forms authentication

  - by Soulhuntre

  Hey all! There are a number of questiosn on StackOverflow that ALMOST hit this topic head on, but they are either for other technologies, reference obsolets information or don;t supply an answer that I can suss out. So pardon the almost duplication :) I have a working ADO.NET Data Service, and a WPF client that hits it. Now that they are working fine I want to add authentication / security to the system. My understanding of the steps so far is... Turn on forms authentication and configure it on the server (I have an existing asp.net membership service DB for other aspects of this app, so that isnt a problem) so that it is required for the service URL In WCF apply for and recieve a forms authentication "ticket" as part of a login routine Add that "ticket" to the headers of the ADO.NET service calls in WPF Profit! All well and good - but does anyone have a line on a soup to nuts code sample, using the modern releases of these technologies? Thanks!

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• Visual Studio 2010 and TFS 2008: Building unit test projects

  - by Peter

  Hi, We are currently taking VS2010 for a testdrive and so far we are a little stumped with how it just won't cooperate with our existing Team Foundation Server 2008. We still have all our projects on .NET 3.5 and whenever we are now building a solution that contains a unit test project (which automatically builds in .NET 4.0) the TFS won't build it. The .NET 4.0 framework is installed on the TFS 2008. The error we're receiving is: [Any CPU/Release] c:\WINDOWS\Microsoft.NET\Framework\v3.5\Microsoft.Common.targets(0,0): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. As a temporary workaround we are now forced to remove all our test projects in order for our solutions to build.

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• Mercurial: Problem converting Windows cvs repository to mercurial

  - by jalperin

  I’m trying to convert an existing Windows CVS repository to Mercurial and getting the following response and error: C:\Windows\system32>hg convert c:\users\jeff\webs\shelter-cvs\shelter assuming destination shelter-hg initializing destination shelter-hg repository connecting to :local:c:\cvs abort: unexpected response from CVS server (expected "Valid-requests", but got 'E cvs [server aborted]: c:\\cvs: no such repository\n') Here’s the background: The repository was created with TortoiseCVS so I believe it’s actually cvsnt. I can properly checkout from the repository using either the command line or the TortoiseCVS gui, so I think it is set up correctly. I'm trying to convert a working copy, not the repository itself I’m running Windows 7, 64-bit I’ve installed TortoiseHG and enabled the convert extension.

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• Good Silverlight Custom ItemsControl Tutorial

  - by Steve Brouillard

  I'm afraid my Google-Foo is failing me again today. I'm trying to find a good tutorial on creating custom ItemsControls in Silverlight (though I imgaine a WPF version might work as well). I'm trying to create a custom ItemsControl that will be something of a virtualized ListBox. What I'm trying to accomplish isn't really similar enough to the current ListBox control to justify trying to modify the existing control, so I figure a custom one is in order here. I have a vague concept of how to accomplish it, but there are definite holes in my understanding. Thanks in advance

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• Setting a WebControls TabIndex based on the ControlId of another control

  - by Daniel Ballinger

  I have an ASP.NET Webforms site that is regularly having features added. The majority of time a new WebControl is added to the page and I need to increment the TabIndex to all subsequent controls on the page. I'd prefer a more robust solution than choosing an arbitrary gap between the initial assigned tab indexes. Setting the tab indexes using the designer tab order functionality is one option but I'd prefer to stay in the source view. Ideally, if I had three check boxes I'd like to be able to define the tabindex based off the previous controls tabindex. Then I'd only need to insert the new control and change one existing control. <asp:CheckBox ID="checkBoxA" runat="server" TabIndex="0"/> <asp:CheckBox ID="checkBoxB" runat="server" TabIndexAfterControlId="checkBoxA"/> <asp:CheckBox ID="checkBoxC" runat="server" TabIndexAfterControlId="checkBoxB"/> My first thought was to extend System.Web.UI.WebControls.WebControl with a new property, but extension properties aren't supported.

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• Error: Expected specifier-qualifier-list before ... in XCode Core Data

  - by Doron Katz

  Hi guys, I keep on getting this error "error: expected specifier-qualifier-list for core data code im working with, in the app delegate. Now when i get this error and about 40 other errors relating to managedobjectcontext etc, i thought maybe the library needs to be imported. Now i havent done this before, but i went to Frameworks group and add existing frameworks and it added CoreData.framework. I re-build and it still came up with the error. Do I need to import anything in the headers explicitly or is there some other step i need to do? Thanks

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• WCF Data Services consuming data from EF based repository

  - by John Kattenhorn

  We have an existing repository which is based on EF4 / POCO and is working well. We want to add a service layer using WCF Data Services and looking for some best practice advice. So far we have developed a class which has a IQueryable property and the getter triggers the repository 'get all users' method. The problem so far have been two-fold: 1) It required us to decorate the ID field of the poco object to tell data service what field was the id. This now means that our POCO object is not 'pure'. 2) It cannot figure out the relationships between the objects (which is obvious i guess). I've now stopped this approach and i'm thinking that maybe we should expose the OBjectContext from the repository and use more 'automatic' functionality of EF. Has anybody got any advice or examples of using the repository pattern with WCF Data Services ?

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• LIST<> AddRange throwing ArgumentException

  - by Tim

  Hi all, I have a particular method that is occasionally crashing with an ArgumentException: Destination array was not long enough. Check destIndex and length, and the array's lower bounds.: at System.Array.Copy(Array sourceArray, Int32 sourceIndex, Array destinationArray, Int32 destinationIndex, Int32 length, Boolean reliable) at System.Collections.Generic.List`1.CopyTo(T[] array, Int32 arrayIndex) at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection) at System.Collections.Generic.List`1.AddRange(IEnumerable`1 collection) The code that is causing this crash looks something like this: List<MyType> objects = new List<MyType>(100); objects = FindObjects(someParam); objects.AddRange(FindObjects(someOtherParam); According to MSDN, List<.AddRange() should automatically resize itself as needed: If the new Count (the current Count plus the size of the collection) will be greater than Capacity, the capacity of the List<(Of <(T)) is increased by automatically reallocating the internal array to accommodate the new elements, and the existing elements are copied to the new array before the new elements are added. Can someone think of a circumstance in which AddRange could throw this type of exception?

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• Unable to list owned images and running instances from Amazon Web Services using Zend Framework

  - by Marcel Tjandraatmadja

  I am using Zend Framework's library to manage EC2 instances and AMI. However I can't list the AMI's I own and can't list existing EC2 instances. $ec2Instance = new Zend_Service_Amazon_Ec2_Instance($awsAccessKey, $awsSecretKey); $instances = $ec2Instance ->describe(); $ec2Instance -describe() should list all instances but it is returning no instances even though I have three of them running at this time. $ami = new Zend_Service_Amazon_Ec2_Image($awsAccessKey, $awsSecretKey); $images = $ami->describe(); $ami-describe() returns all the public images but none of them are the ones I created even though I have two AMIs. Does any one know what I am missing here?

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• jquery cycle "allowPagerClickBubble: true" not quite working

  - by Shelagh

  Hi all, I want my page anchors to work as menu links so I used this code: $(function() { $('#slideshow').cycle({ slideExpr: 'img', fx: 'fade', speed: 2000, timeout: 4000, pager: '#nav', pagerEvent: 'mouseover', pauseOnPagerHover: true, pagerAnchorBuilder: function(idx, slide) { // return sel string for existing anchor return '#nav li:eq(' + (idx) + ') a'; }, allowPagerClickBubble: true }); }); If you click the right mouse button, you can choose to open the links and they do open just fine but a normal left button click does nothing. The thing is, they WERE working so I went to work on supposedly unrelated parts of the website and at some point the left mouse button click stopped working. Any ideas what I might have done? Left button clicking still works for everything else on the site so its not some global setting. The cycle is here if my explanation is not clear: http://www.mcguirenaturals.ca/index.php Thanks for any help

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• Delphi connection to OpenEdge Progress-4GL Database

  - by Cesar Marrero

  Folks: Has anyone had success connecting to a Progress-4GL database with Delphi?   I've been unable to establish any connection with the ODBC driver provided by the vendor (Progress OpenEdge 10.1C Driver). I've entered (what I believe are) the right parameters, but keep on getting an error whenever I test the connection: "[DataDirect][ODBC Progress OpenEdge Wire Protocol driver] Socket closed." Background: I've been tasked to re-design a 13-year-old application, but the original programmer did not provide any supporting documents, passwords, configuration setup, etc. (I'm on my own)!   To make things worse, online help and useful documentation about Progress is scarce (I had never heard about this database until now). I want to examine the existing data, maybe create an ERD to familiarize myself with the schema, but I can't even access the data outside of the OpenEdge code. Any help is appreciated!

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• URL to load resources from the classpath in Java

  - by Thilo

  In Java, you can load all kinds of resources using the same API but with different URL protocols: file:///tmp.txt http://127.0.0.1:8080/a.properties jar:http://www.foo.com/bar/baz.jar!/COM/foo/Quux.class This nicely decouples the actual loading of the resource from the application that needs the resource, and since a URL is just a String, resource loading is also very easily configurable. Is there a protocol to load resources using the current classloader? This is similar to the Jar protocol, except that I do not need to know which jar file or class folder the resource is coming from. I can do that using Class.getResourceAsStream("a.xml"), of course, but that would require me to use a different API, and hence changes to existing code. I want to be able to use this in all places where I can specify a URL for the resource already, by just updating a property file.

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• why eventsMatchingPredicate returns nil?

  - by OneZero

  Here's my code: NSString * calID = [[NSUserDefaults standardUserDefaults] objectForKey:@"calendarIdentifier"]; EKCalendar *cal = [eventStore calendarWithIdentifier:calID]; // If calendar exists if(cal) { // Retrieve all existing events until today NSPredicate *predicate = [eventStore predicateForEventsWithStartDate:[NSDate distantPast] endDate:[NSDate date] calendars:@[cal]]; self.events = [eventStore eventsMatchingPredicate:predicate]; if(self.events==nil) NSLog(@"nil events!"); } The calendarItentifier is the variable that I stored when I created the calendar in my program, so it's not the case I'm adding events on the wrong calendar. However, the code does not work to retrieve past events on the calendar, it simply returns nil to self.events. But I DID add events on the calendar. Can anything tell me if there's anything wrong with the code?

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