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• Unity setting problem when defined in code

  - by Xabatcha

  I have problem when asking for default ILogger from Unity container. I have this setting defined in code (its VB.net) Dim container As IUnityContainer ... container.RegisterType(Of ILogger, NullLogger)() container.RegisterType(Of ILogger, EntLibLogger)("EL") When I am getting ILogger from container I may have different name, like: Ioc.Resolve(Of ILogger)("MyLogger") However this raises error as the mapping is not set for 'MyLogger'. Can I force container to return type which was registered without name? Actually when I used setting from web.config it worked. Any tips most welcome. Thanks. Cheers, X.

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• Android App - XML or java

  - by Andrew Cochrane

  Hello - I am currently starting to create an app for a small charity company. But Im not entirely sure how to properly learn how to code for the Android OS. I have searched online for tutorials but most stop at the same stage and only show you how to launch the "helloWorld" app. My question is this: 1) Will using solely XML be sufficient to code an app? Does it require working in partnership with java? 2) Does anyone know of any books, recommended books of course, that break everything down for you step-by-step? Cheers

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• Correct association mapping in Entity Framework

  - by Matt Thrower

  Hi, Trying to change two relationships in our entity framework from many-to-one to many-to-many relationships. So I tried the obvious thing: clicked on each association on the diagram, changed the appropriate end of the association accordingly and then changed the name of the navigation property to a plural to reflect the change. This lead to the following build error, or one each for the two changes I've made: Error 3002: Problem in mapping fragments starting at line 1761:Potential runtime violation of table CustomerServices's keys (CustomerServices.Id): Columns (CustomerServices.Id) are mapped to EntitySet CompiledDatabaseCustomerService's properties (CompiledDatabaseCustomerService.CustomerService.Id) on the conceptual side but they do not form the EntitySet's key properties (CompiledDatabaseCustomerService.CompiledDatabase.Id, CompiledDatabaseCustomerService.CustomerService.Id) I'm not entirely sure why this is happening, so unsurprisngly I haven't had much luck fixing it. I've tried fiddling with the mapping details and adding referential constraints to no avail. Anyone point me in the right direction? cheers, Matt

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• Planning a skillset for a fallback career [closed]

  - by Davy Kavanagh

  I'm not too certain this is a SO question, but I didn't think it belonged in meta either. Long story short, I am bioinformatics researcher. I like to code, it's my favourite part of the job. I have been thinking for a while that if academia is not kind to me, I might seek a career in software development. My current contract is for three years and I would like to spend some time over the next 3 three years learning and practicing software development as possible. Python seems like a popular language and it what I mostly use to do things for me, but I am also in heavy use of R. So my main question is: Are python and R good things to be learning with a sotfware dev goal in mind, and if so, is there any particular type of programming or software that might be useful to have experience with. Hard questions to answer I know, but I thought I would get the answer from people who are in the know. Cheers, Davy.

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• Entity Framework with 'Get' Stored Procedure that returns Entities

  - by Nick Reeve

  Hello, I am attempting to execute a stored procedure that returns data with exactly the same columns as that of a table Entity I have in my project. I set the 'Returns a Collection Of' property in the 'Add Function Import' dialog to my entity type. I get a NullReferenceException error when executing the stored procedure and on further digging it seems that it is because the 'EntityKey' property is missing. Is there anything I can do to tell it to ignore those special properties of the Entity? I already have a partial class for that entity with '[ScaffoldColumn(false)]' but that doesn't seem to matter. Cheers, Nick

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• Best way to do TDD in express versions of visual studio(eg VB Express)

  - by Nathan W

  I have been looking in to doing some test driven development for one of the applications that I'm currently writing(OLE wrapper for an OLE object). The only problem is that I am using the express versions of Visual Studio(for now), at the moment I am using VB express but sometimes I use C# express. Is it possible to do TDD in the express versions? If so what are the bast was to go about it? Cheers. EDIT. By the looks of things I will have to buy the full visual studio so that I can do integrated TDD, hopefully there is money in the budget to buy a copy :). For now I think I will use Nunit like everyone is saying.

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• Is it possible to refactor this C# if(..) statement?

  - by Pure.Krome

  Hi folks, simple question :- i have the following simple if (..) statements :- if (foo == Animal.Cat || foo == Animal.Dog) { .. } if (baa == 1|| baa == 69) { .. } is it possible to refactor these into something like ... DISCLAIMER: I know this doesn't compile .. but this is sorta what i'm trying to get... if (foo == (Animal.Cat || Animal.Dog)) { .. } if (baa == (1 || 69)) { .. } Cheers :) EDIT I wonder if a lambda expression extension could do this? :P

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• Creating a templated silverlight control that has a story board.

  - by Mrt

  I'm trying to create a templated silverlight control that has a simple animation (swap a few color properties). An example would be a control that is similar to the 'questions' menu item in stackoverflow. So the consumer of the control can specify the background color and the background color for the mouseover event. I've run into the issue that I can't use template binding for a storyboard animation (http://stackoverflow.com/questions/1336689/is-it-possible-to-use-templatebinding-in-a-storyboard-in-silverlight). Whats the best work around to this ? Cheers, MrT

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• Android ROM Development. What does it take?

  - by Priyank

  Hi. I have been developing android apps out of hobby and fun. I want to get more serious about android development. One particular thing that I am very keen on doing (or atleast trying my hand at) is andoroid ROM development for specific handsets. Like, maybe outdated HTC Touch. (Elf/Elfin). I am at a loss to understand, what does it take to get started in right direction and what does it entails? I would really appreciate your help if you could point me to some resources which would highlight ROM Development for Android specifically. (Fundamentals of ROM development irrespective of OS would help too). Cheers

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• Get an Entity in Save Method, What is correct form ?

  - by Felipe

  Hi everybody I'm begginer in asp.net mvc and i have some doubts. P.S: I'm using DDD to learn I have an ACtion in a Controller and it'll save an entity (from my model) by a repository (for a database). My doubts is, How can I get the informations from the View and save it by a repository in my Controller ? Is it correct to get an entity of my Model in Save method of controller, like this: public ActionResult Save(Product product) { // validate object // save data in repository return View("Success"); } Or Need I get an DTO (with a structure similar to my entity) and create an object passing property by property to an entity ? I didnt' like of FormCollection and I'd like to know, What is recommended architecturally ? Thanks a lot guys Cheers

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• FtpWebResponse and StreamReader - specifying an offset

  - by AJ

  Hi, I am using the FtpWebRequest / FtpWebResponse objects in C# to download files from a server - so far, so good. I create a StreamReader object from the response stream and use a StreamWriter to create a local file. Now, the file I am reading happens to be in a very simple 'archive' format - there is a small TOC at the start of the file followed by the actual file data. I can therefore read the TOC and get a file offset and size of the data I want to download. My question is: Supposing the offset is 1024. I would use StreamReader.Read(buffer, 1024, length), but will .NET and the FTP protocol actually allow me to skip bytes 0-1023, or does the reader still go through the (relatively) slow process of downloading and discarding the bytes I don't need? This may make the difference between whether I want to use a single archive file, or a TOC file with the data files stored separately. As a bit of a secondary question, would my mileage vary using the Http classes instead of Ftp? Cheers, Adam

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• Entity Framework (4.0) how to exclude a related table.

  - by Kohan

  I have just updated to using EF 4.0 where before i was using Linq 2 SQL. I have a query: var UserList = this.repository.GetUsers(); return Json(UserList, JsonRequestBehavior.AllowGet); This was generating an error: "A circular reference was detected while serializing an object of type" This prompted this code which worked fine in L2S: var UserList = this.repository.GetUsers(); foreach (User u in UserList){ u.Subscriptions = null; } return Json(UserList, JsonRequestBehavior.AllowGet); How can i stop EF from looking into the Subscriptions table, i just want the Userlist, none of the related properties and the above example does not seem to work for this. Cheers, Kohan

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• javascript splice() indexing problem

  - by markzzz

  hello! i have to add some value into an array. code for example : temp[0]=new Array("0","0"); temp[1]=new Array("0","0"); temp[2]=new Array("0","0"); temp[3]=new Array("0","0"); temp[4]=new Array("0","0"); vt=new Array("1","0"); temp.splice(3, 0, vt); temp.splice(4, 0, vt); temp[3][1]="R"; i aspect this output : 1 - 0,0 2 - 0,0 3 - 0,0 4 - 1,R 5 - 1,0 6 - 0,0 7 - 0,0 but the output is : 1 - 0,0 2 - 0,0 3 - 0,0 4 - 1,R 5 - 1,R 6 - 0,0 7 - 0,0 any idea? i think it's a indexing problem with splice() function! cheers

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• 100+ tables to joined

  - by deian

  Hi guys, I was wondering if anyone ever had a change to measure how a would 100 joined tables perform? Each table would have an ID column with primary index and all table are 1:1 related. It is a common problem within many data entry applications where we need to collect 1000+ data points. One solution would be to have one big table with 1000+ columns and the alternative would be to split them into multiple tables and join them when it is necessary. So perhaps more real question would be how 30 tables (30 columns each) would behave with multitable join. 500K-1M rows should be the expected size of the tables. Cheers

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• Multiple sections on landing page only

  - by RDRAO

  Hi every one, I am very much new to Drupal but am loving it to start with. I got struck at a point with respect to theaming. I have a region called 'footer-teaser' just above footer. Its width is 800px. its been split into 3 equal size columns. Each column has the following. Image of size 120x120 Some teaser text Link to 'read more' The design requirement is all the above should be editable by the admin from the admin interface. If its static i would have hardcoded this but since the requirement is dynamic, i am not aware of how to achieve this. I have customised page.tpl for other sections of the page except this. I am sure someone else would have faced this issue before and was wondering if anyone can direct me in the right direction? Even better if an example is provided. Cheers RD

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• Vb.Net action delegate problem?

  - by Ramesh Vel

  Hi, Am vb.net newbie. This question might be very novice and answered before, but i couldn't find. I was trying the lambda features and got struck here. Private Function HigerOrderTest(highFunction as Func(Of Int16,Int16)) As Action(of String) Dim sam = highFunction(3) Dim DoIt as Action(of String) DoIt = sub(s) console.WriteLine(s) return DoIt End Function I got "Expression expected." at line DoIt = sub(s) console.WriteLine(s). And when i changed this to DoIt = function(s) console.WriteLine(s) i got Expression does not produce a value. error. Whats the problem? Cheers

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• Getting ListView values into a string array?

  - by Andrew

  I have a ListView control set up in details mode, and on a button press I would like to retrieve all column values from that row in the ListView. This is my code so far: Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim items As ListView.SelectedListViewItemCollection = _ Me.ManageList.SelectedItems Dim item As ListViewItem Dim values(0 To 4) As String Dim i As Integer = 0 For Each item In items values(i) = item.SubItems(1).Text i = i + 1 Next End Sub But values just comes out as an empty array. Any ideas? I just want the values array to be filled with the data of that ListView row. Cheers.

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• XSLT Similar functionality to SQL "WHERE LIKE"

  - by Fishcake

  I have the following XML <Answer> <Label>FCVCMileage</Label> <Value>3258</Value> <Iteration>0</Iteration> <DataType>NUMBER</DataType> </Answer> And need to get the Value underneath the Mileage label. However the 4 letter prefix to Mileage could be any 1 of 8 different prefixes. I know I could find the value by testing for every combination using xsl:if or xsl:choose but is there a more elegant way that would work similar to the following SQL and also wouldn't need changes to code being made if other prefixes were added. WHERE label LIKE '%Mileage' NB. There will only ever be 1 label element containing the word Mileage Cheers!

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• iPhone memory management: a release after setting self.someProperty = nil

  - by ddawber

  I am reading the LazyTableImages code that Apple have released and they do something to this effect (in an NSOperation subclass): - (void)dealloc { [myProperty release]; [myProperty2 release]; } - (void)main { // // Parse operation undertaken here // self.myProperty = nil; self.myProperty2 = nil; } My thinking is that they do this in case dealloc is called before setting properties to nil. Is my thinking correct here? Are the releases unnecessary, as self.myProperty = nil effectively releases myProperty? One thing I have noticed in this code is that they don't release all retained objects in dealloc, only some of them, which is really the cause for my confusion. Cheers

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• I have three different websites and I want to create a single entry point for all of them but how?

  - by austin powers

  Hi all, We are creating three different websites using asp.net but for the user part we want to implement an approach so that each user only need to create an account in any of these three sites but use the same account in other websites too. here is what I've suggested : create a useracount.website.com server then put the sql server there and implement core user account library there such as (creating/editing/etc...) whenever a visitor needs to have an account or needs to login into out sites then we will redirect him to the useracount.website.com address and he/she should login from that point. and for the maintaining the user's states I've suggested to using cookies. and all of these scenarios should be implemented by asp.net and sql. please let me know with best approach cause I feel mine is not that good specially the cookie part. cheers.

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• Permutations in python 2.5.2

  - by flpgdt

  Hi, I have a list of numbers for input, e.g. 671.00 1,636.00 436.00 9,224.00 and I want to generate all possible sums with a way to id it for output, e.g.: 671.00 + 1,636.00 = 2,307.00 671.00 + 436.00 = 1,107.00 671.00 + 9,224.00 = 9,224.00 671.00 + 1,636.00 + 436.00 = 2,743.00 ... and I would like to do it in Python My current constrains are: a) I'm just learning python now (that's part of the idea) b) I will have to use Python 2.5.2 (no intertools) I think I have found a piece of code that may help: def all_perms(str): if len(str) <=1: yield str else: for perm in all_perms(str[1:]): for i in range(len(perm)+1): #nb str[0:1] works in both string and list contexts yield perm[:i] + str[0:1] + perm[i:] ( from these guys ) But I'm not sure how to use it in my propose. Could someone trow some tips and pieces of code of help? cheers, f.

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• Remove special chars from URL

  - by John Jones

  Hi, I have a product database and I am displaying trying to display them as clean URLs, below is example product names: PAUL MITCHELL FOAMING POMADE (150ml) American Crew Classic Gents Pomade 85g Tigi Catwalk Texturizing Pomade 50ml What I need to do is display like below in the URL structrue: www.example.com/products/paul-mitchell-foaming-gel(150ml) The problem I have is I want to do the following: Remove anything with braquets(and the braquets) Remove any numbers next to g or ml e.g. 400ml, 10g etc... I have been banging my head trying different string replaces but cant get it right, I would really appreciate some help. Cheers

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• Propor usage of double and single quotes?

  - by Phox

  I'm talking about the performance increase here. From all I know you can echo variables in double quotes ("), like so: <?php echo "You are $yourAge years old"; ?> But single quotes will just return You are $yourAge years old. But what about performance differences? I've always gone by the rule that single quotes are faster because the PHP interpreter doesn't have to search through the string for variables. But I'm seeing more and more blog and forum posts on the web saying differently. Does anyone actually have any information on this subject? Perhaps benchmark tests or something? Cheers.

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• sql server 2005 replication article conflict

  - by Daniel

  Hi all, I have a sql server 2005 database that I want to setup replication for. The problem is that the database has two schemas both of which have a table with the same name in it. For some reason even though the tables are in different schemas the replication creation fails when done through management studio due to conflicting article names (i assume its trying to create the same name for both tables in the different schemas). Is there any workaround for doing this in the studio, I can probably write a script or program to do this but just for this one thign is a bit annoying and it probably wont be allowed to run in production. Perhaps there is a hot fix or something I'm not aware about? Cheers,

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• template expressions and visual studio 2005 c++

  - by chris

  I'd like to build the olb3d library with my visual studio 2005 compiler but this failes due to template errors. To be more specific, the following expression seem to be a problem: void function(T u[Lattice::d]) On the website of the project is stated that prpably my compiler is not capable of such complicated template expressions - one should use the gcc 3.4.1. My question is now if there is a way to upgrade my vs c++ compiler so it can handle template expressions on the level as the gcc 3.4.1? Maybe it helps if I get a newer version of visual studio? Cheers C.

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