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• Why doesn't Microsoft release a 'proper' AJAX grid for ASP.Net

  - by Maxim Gershkovich

  Why doesn't Microsoft release a 'proper' AJAX grid for ASP.Net either as part of Visual Studio or the AJAX control toolkit? Has there been any discussion that anyone is aware of regarding this issue? Also does anyone have any open source suggestions for 'proper' AJAX gridviews? So far I have found one.... http://dotnetslackers.com/projects/AjaxDataControls/Default.aspx PS: By proper I mean a grid that actually uses XML responses rather than the nasty html javascript based injection that is the current nastyness of the gridview (EVEN IN VS 2010).

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• How to model my database when using entity framework 4?

  - by Junior Ewing

  Trying to wrap my head around the best approach in modelling a database when we are using Entity Framework 4 as the ORM layer. We are going to use asp.net mvc 2 for the application. Is it worth trying to model using the class diagram modeller that comes with Visual Studio 2010 where you graphically configure your models into the EDMX file and then generate out the database structure? I have run into a bunch of non trivial issues and for complex many to many mappings or multi primary key entities the answer is not that obvious even after poking around a while with the tools. I figure its easy at this point to give up and start modelling the DB using real, working DB modelling tools and then try to generate out the EDMX from the database, rather than trying to do the model first approach.

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• Google analytics-style custom report builder UI

  - by gregmac

  I'm looking for a reporting engine/UI that can be integrated into a product, which has a UI along the lines of Google Analytics' Custom Reports builder. Is anyone aware of such a thing? The data is in our case is not page views/visitors/etc, but is similar in nature, in that there are limited entities or types of data, but each entity has many attributes/columns and many different ways of aggregating data (or in GA-style speak, metrics and dimensions). The analytics-style UI is very intuitive and allows many reports to be created in powerful ways, without having to know SQL. I have preference for a web-based tool (seeing that it is 2010 and this is a web app -- I mention only because it seems the vast majority of reporting tools still have only a non-web-based creation tool).

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• Set date format in ruby model (sinatra/datamapper)

  - by Gearóid

  Hi, I have a ruby model that contains a date attribue which I'd like to be able to pass in as a parameter in the format dd/MM/yyyy. However, my sqlite3 db stores the data in yyyy-MM-dd format so when a date like 20/10/2010 gets passed in, it will not be read to the database. I am using the Sinatra framework and using haml for the markup creation. Do I need to write a helper that takes the date string and converts it to the correct format for the db? Or can I set a format type on the models attribute? Thanks.

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• Use a template parameter in a preprocessor directive?

  - by Ranju V

  Is it possible to use a non-type constant template parameter in a preprocessor directive? Here's what I have in mind: template <int DING> struct Foo { enum { DOO = DING }; }; template <typename T> struct Blah { void DoIt() { #if (T::Doo & 0x010) // somecode here #endif } }; When I try this with something like Blah<Foo<0xFFFF>>, VC++ 2010 complains something about unmatched parentheses in the line where we are trying to use "#if". I am guessing the preprocessor doesn't really know anything about templates and this sort of thing just isn't in its domain. What say? Thanks!

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• SED, using variables and in with an array

  - by S1syphus

  What I am trying to do is run the sed on multiple files in the directory Server_Upload, using variables: AB${count} Corresponds, to some variables I made that look like: echo " AB1 = 2010-10-09Three " echo " AB2 = 2009-3-09Foo " echo " AB3 = Bar " And these correspond to each line which contains a word in master.ta, that needs changing in all the text files in Server_Upload. If you get what I mean... great, I have tried to explain it the best I can, but if you are still miffed I'll give it another go as I found it really hard to convey what I mean. cd Server_Upload for fl in *.UP; do mv $fl $fl.old done count=1 saveIFS="$IFS" IFS=$'\n' array=($(<master.ta)) IFS="$saveIFS" for i in "${array[@]}" do sed "s/$i/AB${count}/g" $fl.old > $fl (( count++ )) done It runs, doesn't give me any errors, but it doesn't do what I want, so any ideas?

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• Help Me Understand C++ Header files and Classes

  - by JamesW

  OK, So I am trying to transition from intermediate Delphi to C++ Object Oriented programing. I have read Ivar Horton's book on visual C++ 2010. I can pull off the simple console applications no problem. I get the language itself (kinda). Where I am struggling is with headers and classes. I also understand what header files and classes do in general. What I am not getting is the implementation when do I use a header or a class? Do I need to create classes for everything I do? Do my actual work functions need to be in header files or in CPP files? I'm lost on the proper uses of these and could use some real world guidance from more experienced programmers. I am trying to transition to windows applications using the MFC if that is helpful.

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• Reportviewer - Print report - matrix report expanding horizontally to multiple pages, avoid repeating row header

  - by abc0077

  I am generating a matrix report dynamically using report viewer version 9.0 in visual studio 2010. If i export save and print then it works normally. If there more columns report expands horizontally across mutiple pages. If i give Print option available in the toolbar of the report viewer. The columns are moved to second page which is correct but the row headers (product 1, product 2) should not be repeated in the second page.In the second page report should have all details except the product information. I am also interested to know whether it is the functionality of this version report viewer.

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• Win32: BitTest, BitTestAndComplement, ... <- How to disable this junk?

  - by Mordachai

  WinNT.h has the following lines in it, in the VS2008 SP1 install: #define BitTest _bittest #define BitTestAndComplement _bittestandcomplement #define BitTestAndSet _bittestandset #define BitTestAndReset _bittestandreset #define InterlockedBitTestAndSet _interlockedbittestandset #define InterlockedBitTestAndReset _interlockedbittestandreset I have a number of templates that are based on BitTest<() Does anyone know of a simple way to disable these #defines? Oftentimes MS does provide a #define XXX symbol which, if defined, will disable some offending portion of their header - e.g. NOMINMAX. I have been unable to find such a solution to the above problem. If you share frustration with Microsoft's many dubious choices, the read on. If not, stop here. ;) Editorializing: Why couldn't Microsoft just use the _bittest itself??? Or why couldn't they use BITTEST like every knows you should - always use all-caps for macros! Microsoft is still #defining things in 2010?! WTF?

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• Supervising multiple gen_servers with same module / different arguments

  - by Justin

  Hi, I have a OTP application comprising a single supervisor supervising a small number of gen_servers. A typical child specification is as follows: {my_server, {my_server, start_link, [123]}, permanent, 5000, worker, [my_server]} No problems so far. I now want to an add extra gen_server to the supervisor structure, using the same module Module/Fn as above, but different arguments, eg {my_server_2, {my_server, start_link, [123]}, permanent, 5000, worker, [my_server_2]} I thought this would work, but no: =SUPERVISOR REPORT==== 15-Apr-2010::16:50:13 === Supervisor: {local,my_sup} Context: start_error Reason: {already_started,<0.179.0>} Offender: [{pid,undefined}, {name,my_server_2}, {mfa,{my_server,start_link,[]}}, {restart_type,permanent}, {shutdown,5000}, {child_type,worker}] Do the module arguments in the second element of each child specification need to be different ? Thanks, Justin

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• How do I use Criteria to make a join on a date field (in DB2) based on the year.

  - by HtmlTableGuru

  I have a java.util.Date field in my Object. I would like to use Criteria to select all rows that have a date field with a given year. The SQL would look like the following: SELECT * FROM GAME GM WHERE YEAR(GM.GAME_DATE) = 2010 How can I use Criteria to accomplish this? Thanks in advance. public Collection<Game> getGamesByDate(Date date){ Collection<Game> games = null; try { session.beginTransaction(); Criteria criteria = session.createCriteria(Game.class); criteria .... ... ... games = criteria.list(); } catch (HibernateException e) { e.printStackTrace(); } return games; }

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• What HTTP headers are required to refresh a page on back button.

  - by cantabilesoftware

  I'm trying to get a page to refresh when navigated to from the back button. From what I understand after reading around a bit I should just need to mark the page as uncacheable but I can't get any browsers to refresh the page. These are the headers I've currently got: Cache-Control:no-cache Connection:keep-alive Content-Encoding:gzip Content-Length:1832 Content-Type:text/html; charset=utf-8 Date:Mon, 07 Jun 2010 14:05:39 GMT Expires:-1 Pragma:no-cache Server:Microsoft-IIS/7.5 Vary:Accept-Encoding Via:1.1 smoothwall:800 (squid/2.7.STABLE6) X-AspNet-Version:2.0.50727 X-AspNetMvc-Version:2.0 X-Cache:MISS from smoothwall X-Powered-By:ASP.NET Why would the browser pull this page from it's browser history and not refresh it?

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• SQL Server 2008 log size management problems

  - by b0x0rz

  I'm trying to shrink the log of a database AND set the recovery to simple, but always there is an error, whatever i try. USE 4_o5; GO ALTER DATABASE 4_o5 SET RECOVERY SIMPLE; GO DBCC SHRINKFILE (4_o5_log, 10); GO the output of sp_helpfile says that log file is located under (hosted solution): I:\dataroot\4_o5_log.LDF please help me perform this operation as the log file got large when importing a lot of data and now this info is no longer needed, have multiple (lots of) backups since then. the exact error message when performing the query above is: incorrect syntax near '4'. RECOVERY is not a recognized SET option. incorrect syntax near _5_log'. i am using visual studio 2010 (also have SQL Server Express installed locally, SQL Server 2008 proper installed at provider (shared)) thnx a lot

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• Can someone exaplain me implicit parameters in Scala?

  - by Oscar Reyes

  And more specifically how does the BigInt works for convert int to BigInt? In the source code it reads: ... implicit def int2bigInt(i: Int): BigInt = apply(i) ... How is this code invoked? I can understand how this other sample: "Date literals" works. In. val christmas = 24 Dec 2010 Defined by: implicit def dateLiterals(date: Int) = new { import java.util.Date def Dec(year: Int) = new Date(year, 11, date) } When int get's passed the message Dec with an int as parameter, the system looks for another method that can handle the request, in this case Dec(year:Int) Q1. Am I right in my understanding of Date literals? Q2. How does it apply to BigInt? Thanks

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• Retreive list of students registered for a particular course

  - by Pankaj Khurana

  Hi, I have moodle1.9 installed on my system and writing some custom reports. I want to retrieve list of students registered for a particular course. I have user profile field usercategoryid through which i figure out for which category he has enrolled. Course belongs to a particular category. Through mdl_user_info_data table i retrieve the category for a particular user. I have written a query to retrieve the users who have registered for a particular category for e.g. Financial Planning 2010. But the issue is that i now want users who have registered for a particular course for e.g. Insurance Planning. There is a relation between course and course category but i am unable to find out the table where course and user information is linked. Please help me on this Thanks

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• What Conferences would you recommend for a UI / Frontend Web Developer in the next 6 months?

  - by rsturim

  Hello, I'm looking for a strong conference(s) to attend in the next 6 months. I may be able to attend one or two. I'm looking for something surrounding Frontend Web Development -- web standards, CSS3, html5, javascript, UX, and usability are strong interests of mine. I'm also starting to consider diving deep into designing for Mobile devices. I've discovered these 2 conferences so far -- they look very good -- but am I missing anything HUGE and/or obvious? An Event Apart - Wash DC (http://aneventapart.com/2010/dc/) Web Directions North - Altanta (http://north.webdirections.org/) Thoughts?

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• Referencing Excel Sheets with JET Driver Sheets Are Duplicated with Underscores

  - by MasterMax1313

  I'm referencing an excel document with the JET database driver, which was working just fine until one day the application failed. Upon further investigation I noticed that the tabs were duplicated in some instances (all tabs actually) - i.e. Tab1$ and Tab1$_. I've researched this issue and found that it is caused by the user applying a filter. Now the filters have been removed, no special formatting, frozen panes, or print formats, but still I have these tabs duplicated. Normally I'd code around this, but since we're in a code freeze I need to come up with an Excel based solution. I want to get rid of those crazy underscored tab names / reverences. I could probably run a program to clean up the file if necessary, to send it back to the users, but I want to explore Excel options first. Thoughts? I have Excel 2010, and access to any other version as well.

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• How do I decrease first load time in ASP.net MVC 2?

  - by Bill

  I have an ASP.net MVC 2 application that runs well locally. However when I move the files to my production server, I get a first time lag of about 30 seconds, I assume this is a first compile. After that the application works fine. Then after about 20-30 minutes of non use, the applications takes another 30 seconds or so to load. I did try to precompile the code, but there is still a lag during the first load. Are there any trick to getting the application to work faster on the first load? I am using ASP.net 3.5, IIS 6 , visual studio 2010, MVC 2. Thanks

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• What option in Visual Studio let catching exception where it occurred?

  - by macias

  VS 2010. The same WPF project, debug mode, two computers: A -- when exception occurrs the caret is placed at the point of exception B -- when the exception occurrs, correct exception is placed but always caret is placed at "win.ShowDialog()" in App.xaml.cs -- this is main entry for showing & running my application, in such case it is very tiresome to track down where the exception occurred What kind of settings control such behaviour? Of course I would like to switch B, so when exception hits I would be place at the point of exception, not at the main entry.

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• page not show after issuing zf command

  - by Nazmin

  hello guys, just simple question, recently i have setup a web server to build project using zend framework, after setup and see those welcome page saying that you are creating websites powered by zendframework, then i try issuing command, $ zf create controller alert i get the message that saying that i've successfully create controller, view and so on, but when i try to navigate to the page by URL, ex: www.mywebapp.com/alert the page is broken, i've check those tuts but none of them showing this case. can some one define which step i've skip? update: (25/5/2010) so i've found that there is no problem, is just that i've not configured properly my route to my web apps, so i have to type URL like this: www.mywebapp.com/index.php/alert how am I going to change this? i mean i want to explode "index.php" out of URL.

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• Error in IE8 Browser -> Message: Object doesn't support this property or method

  - by tibin mathew

  Hi All, In my joomla project(http://crystalwrightlive.com) home page there is one sliding banner section, but this banner not working in IE browser (working fine in FF browser) and showing following error: Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB6; InfoPath.2) Timestamp: Sat, 8 May 2010 06:42:15 UTC Message: Object doesn't support this property or method Line: 1 Char: 1 Code: 0 URI: http://crystalwrightlive.com/index.php In index page included a jquery file: http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js when i removed this JS file, no error but this JQuery file needed for this sliding banner. How can i fix this issue, Please anyone help me!!!!

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• Selecting keys based on metadata, possible with Amazon S3?

  - by nbv4

  I'm sending files to my S3 bucket that are basically gzipped database dumps. They keys are a human readable date ("2010-05-04.dump"), and along with that, I'm setting a metadata field to the UNIX time of the dump. I want to write a script that retrieve the latest dump from the bucket. That is to say I want the the key with the largest unix time metadata value. Is this possible with Amazon S3, or is this not how S3 is meant to work? I'm using both the command line tool aws, and the python library boto

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• Problem deriving a user control from an abstract base class in website project

  - by Sprintstar

  In a Visual Studio website, I have created a user control. This control is derived from a class (in App_Code) that is itself derived from System.Web.UI.UserControl. This is an abstract class with an abstract method. I then try to implement that method in the user control, but I get the following errors from Visual Studio: Error 1 'WebUserControl.AbstractMethod()': no suitable method found to override C:\Users\User\Documents\Visual Studio 2010\WebSites\Delme\WebUserControl.ascx.cs 10 28 C:\...\Delme\ Error 2 'WebUserControl' does not implement inherited abstract member 'AbstractBaseClass.AbstractMethod()' c:\Users\User\AppData\Local\Temp\Temporary ASP.NET Files\delme\0eebaa86\f1a48678\App_Web_nrsbzxex.0.cs 14 Error 1 says that my override of the abstract method is invalid, it doesn't recognise the abstract method in the base class. Error 2 says that the partial class automatically built by asp.net doesn't implement the abstract method! Note that this works fine when the code is used in a Web Application project. Why is this happening?

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• Is Windows 7 Home Premium edition sufficient for software development?

  - by Lee Englestone

  Is the Windows 7 Home Premium sufficient for software development? Development would be in Visual Studio 2010. I'm on a budget so would rather purchase 'Home Premium' rather than 'Professional' or 'Ultimate'. The Microsoft site says there is next to nothing functionality wise between them that developers would miss. Can anyone confirm or deny? BTW. Does it come with a version of IIS? I realize that this is not a technical question. But it is important to me and I'm sure other developers wonder the same thing. Cheers, -- Lee

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• How do I prevent an ASP.NET MVC deployment on IIS 6.0, using wildcard mapping, from attempting to ha

  - by Rob

  As noted by the title, what is the best way to configure an IIS 6.0 deployment of an ASP.NET MVC application such that connections to hidden shares are ignored? The application in question is using wildcard mapping to allow for clean URLs since we are planning on upgrading to IIS 7.0 in the near future and we are also handling the caching and compression issues with a custom library so we would like to avoid turning wildcard mapping off unless absolutely necessary. Below is a one of the errors from the application to give you an example of what we are seeing. -------------------------------------------------------------------------------- System.Web.HttpException -------------------------------------------------------------------------------- Time Stamp - 03 Mar 2010, 08:11:44 Path - N/A, Internal Server Operation Message - The controller for path '/C$' could not be found or it does not implement IController. Target Site - System.Web.Mvc.IController GetControllerInstance(System.Type) Stack Trace - at System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(Type controllerType) at System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext, String controllerName) at System.Web.Mvc.MvcHandler.ProcessRequest(HttpContextBase httpContext) at System.Web.Mvc.MvcHandler.ProcessRequest(HttpContext httpContext) at System.Web.Mvc.MvcHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext httpContext) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) --------------------------------------------------------------------------------

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