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  • GWT vs. Cappuccino

    - by James
    Hi, I'm in the planning stage of a web application and I'm trying to choose between GWT and Cappuccino. I have an idea of which one I think is better, but my partner is sold on the other choice. I was hoping to get some feedback on pros and cons for each from people who have used one or the other or both. Thanks in advance for any insight you might have.

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  • CMIS vs. WebDAV

    - by Nicolas Raoul
    What are the main technical differences between CMIS and WebDAV? If applicable, what exactly does CMIS improves over WebDAV? I am not asking about adoption rates or number of implementations, just about the technical differences between each of those standards.

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  • White (Light) vs. Black (Dark) Backgrounds: Health Effects

    - by Hosam Aly
    I am adding a bounty to this question, hoping for some scientific research results. Thank you everybody! I have recently tried working on dark backgrounds, and it seemed (to me) to be easier on the eye. However, today I read Gerrie Schenck's comment on this answer, in which he said that mainframe developers were advised to use white backgrounds instead of black, as it is said that white is easier on the eye. So which one is actually better for the eyes in the long run? I would be thankful for any (scientific) references about the subject, as my eyes really need some relaxation. I wanted to make this question a community wiki, but I think that the least I can do to thank people is to reward their answers, so I'm leaving it as a normal question. Many, many thanks for your help. P.S. I don't know which tags would be appropriate for this question, so I'd be grateful if you could tag it in a better way than I did.

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  • Tiles vs. JSP includes

    - by Angus Croll
    We have a large web-app with hundreds of jsps pages. To avoid repeating markup up blocks we are considering making use of struts tiles. Now it seems messy to have a combination of both <t:insertTemplate template="/WEB-INF/templates/xxxxx.jsp"> and <%@ include file="xxxxx.jsp"%> statements so we are considering converting all includes statements to insertTemplates (whether or not the template includes any tile syntax) Has anyone had any experience with using tiles 100% for jsp includes?

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  • CSS "color" vs. "font-color"

    - by Fred Wilson
    Anyone know why CSS provides "color:" for text, but does not have "font-color:" or "text-color:"? Seems very counter-intuitive.. kind of like "text-decoration: bold" rather than "font-style: ". I must be new here. :o) Seriously, does anyone know why/how the w3c came up with such a wide array of CSS names like this?

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  • One Update Panel vs. Multiple Update Panels

    - by mattruma
    I have an ASP.NET web page that displays a variety of fields that need to be updated best on certain conditions, button clicks and so on. We've implemented AJAX, using the ASP.NET Update Panel to avoid visible postbacks. Originally there was only one area that needed this ability ... that soon expanded to other fields. Now my web page has multiple UpdatePanels. I am wondering if it would be best to just wrap the entire form in a single UpdatePanel, or keep the individual UpdatePanels. What are the best practices for using the ASP.NET UpdatePanel?

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  • Python - doctest vs. unittest

    - by Sean
    I'm trying to get started with unit testing in Python and I was wondering if someone could inform me of the advantages and disadvantages of doctest and unittest. What conditions would you use each for?

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  • Sync Vs. Async Sockets Performance in .NET

    - by Michael Covelli
    Everything that I read about sockets in .NET says that the asynchronous pattern gives better performance (especially with the new SocketAsyncEventArgs which saves on the allocation). I think this makes sense if we're talking about a server with many client connections where its not possible to allocate one thread per connection. Then I can see the advantage of using the ThreadPool threads and getting async callbacks on them. But in my app, I'm the client and I just need to listen to one server sending market tick data over one tcp connection. Right now, I create a single thread, set the priority to Highest, and call Socket.Receive() with it. My thread blocks on this call and wakes up once new data arrives. If I were to switch this to an async pattern so that I get a callback when there's new data, I see two issues The threadpool threads will have default priority so it seems they will be strictly worse than my own thread which has Highest priority. I'll still have to send everything through a single thread at some point. Say that I get N callbacks at almost the same time on N different threadpool threads notifying me that there's new data. The N byte arrays that they deliver can't be processed on the threadpool threads because there's no guarantee that they represent N unique market data messages because TCP is stream based. I'll have to lock and put the bytes into an array anyway and signal some other thread that can process what's in the array. So I'm not sure what having N threadpool threads is buying me. Am I thinking about this wrong? Is there a reason to use the Async patter in my specific case of one client connected to one server?

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  • LINQ to SQL vs Entity Framework for an app with a future SQL Azure version

    - by Craig L
    I've got a vertical market Dot Net Framework 1.1 C#/WinForms/SQL Server 2000 application. Currently it uses ADO.Net and Microsoft's SQLHelper for CRUD operations. I've successfully converted it to Dot Net Framework 4 C#/WinForms/ SQL Server 2008. What I'd like to do is also offer my customers the ability to use SQL Azure as a backend storage for their data instead of local/LAN SQL Server. If I know SQL Azure is in my application's future, should I: A. Switch to LINQ to SQL B. Swith to Entity Framework C. Stick with ADO.Net and SQLHelper Thanks !

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  • SSIS Lookup with Lookup Component Vs Script Component.

    - by Nev_Rahd
    Hello, I need to load Dimensions from EDW Tables (which does maintain historical records) and is of type Key-Value-Parameter. My scenario is ok if got a record in EDW as below Key1 Key2 Code Value EffectiveDate EndDate CurrentFlag 100 555 01 AAA 2010-01-01 11.00.00 9999-12-31 Y 100 555 02 BBB 2010-01-01 11.00.00 9999-12-31 Y This need to be loaded into DM by pivoting it as key1 and key2 combinations makes Natural key for DM SK NK 01 02 EffectiveDate EndDate CurrentFlag 1 100-555 AAA BBB 2010-01-01 11.00.00 9999-12-31 Y My ssis package does this all good pivoting... looking up the incoming NK in DIM.. if new will insert .. else with further lookup with effective date and determine if the incoming for same natural key got any new (change) in attribute.. if so updates the current record byy setting its end date and insert the new one with new attribute value and pulling the recent records values for other attributes. My problem is if the same natural key comes twice with same attribute in single extract my first lookup which on natural key .. will let both records pass and try to insert.. where its fails. If i get distinct records on NK the second is not picked and need to run package again. So my question how can i configure lookup or alernative way to handle this scenario when same NK comes twice in single extract, would be able to insert first record if not exists in Dim table and for second one should be able to updated with the changes with reference to one inserted above. Not sure this makes sense what am trying to explain. Will attached the screenshot once back to work desk (on monday). Thanks

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  • Simple html vs Javascript generated html?

    - by Rizo
    In my web application I would like to complately avoid html and use only javascript to create web-page's dom tree. What is faster writing web content in the traditional way in html <div>Some text</div> or using javascript dom render, like this: div.appendChild(document.createTextNode("Some text"));?

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  • cpio VS tar and cp

    - by Tim
    I just learned that cpio has three modes: copy-out, copy-in and pass-through. I was wondering what are the advantages and disadvantages of cpio under copy-out and copy-in modes over tar. When is it better to use cpio and when to use tar? Similar question for cpio under pass-through mode versus cp. Thanks and regards!

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  • ModelVisual3D vs Model3DGroup

    - by bitbonk
    Is there any disadvantage of using ModelVisual3D over Model3DGroup. How much can the resource/performance impact possibly be? ModelVisual3D gives me much more than Model3DGroup does but AFAIK everything that can be done with Model3DGroup can alos be done with ModelVisual3D. So why not just always use ModelVisual3D?

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  • ASP Classic, SQL 2008, XML Output, and DSN vs DSN-Less Produces Chinese Letters

    - by RoLYroLLs
    I've been having a problem for the past month and can't seem to figure out what is wrong. Here's the setup and a little background. Background: I have a web-host who was running my website on Windows Server 2003 and SQL Server 2000. One of my webpages returned a result set from a stored procedure from the SQL server as xml. Below is the code: Stored Procedure: select top 10 1 as tag , null as parent , column1 as [item!1!column1!element] , column2 as [item!1!column2!element] from table1 for XML EXPLICIT ASP Page: index.asp Call OpenConn Set cmd = Server.CreateObject("ADODB.Command") With cmd .ActiveConnection = dbc .CommandText = "name of proc" .CommandType = adCmdStoredProc .Parameters.Append .CreateParameter("@RetVal", adInteger, adParamReturnValue, 4) .Parameters.Append .CreateParameter("@Level", adInteger, adParamInput, 4, Level) End With Set rsItems = Server.CreateObject("ADODB.Recordset") With rsItems .CursorLocation = adUseClient .CursorType = adOpenStatic .LockType = adLockBatchOptimistic Set .Source = cmd .Open Set .ActiveConnection = Nothing End With If NOT rsItems.BOF AND NOT rsItems.EOF Then OutputXMLQueryResults rsItems,"items" End If Set rsItems = Nothing Set cmd = Nothing Call CloseConn Sub OpenConn() strConn = "Provider=SQLOLEDB;Data Source=[hidden];User Id=[hidden];Password=[hidden];Initial Catalog=[hidden];" Set dbc = Server.CreateObject("ADODB.Connection") dbc.open strConn End Sub Sub CloseConn() If IsObject(dbc) Then If dbc.State = adStateOpen Then dbc.Close End If Set dbc = Nothing End If End Sub Sub OutputXMLQueryResults(RS,RootElementName) Response.Clear Response.ContentType = "text/xml" Response.Codepage = 65001 Response.Charset = "utf-8" Response.Write "" Response.Write "" While Not RS.EOF Response.Write RS(0).Value RS.MoveNext WEnd Response.Write "" Response.End End Sub Present: All was working great, until my host upgraded to Windows Server 2008 and SQL Server 2008. All of the sudden I was getting results like this: From Browser: From View Source: However, I found that if I use a DSN connection strConn = "DSN=[my DSN Name];User Id=[hidden];Password=[hidden];Initial Catalog=[hidden];" it works perfectly fine! My current host is not going to support DSN any longer, but that's out of scope for this issue. Someone told me to use an ADO.Stream object instead of a Recordset object, but I'm unsure how to implement that. Question: Has anyone run into this and found a way to fix it? What about that ADO.Stream object, can someone help me with a sample that would fit my code?

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  • Foreign keys vs partitioning

    - by Industrial
    Hi! Since foreign keys are not supported by partitioned mySQL databases for the moment, I would like to hear some pro's and con's for a read-heavy application that will handle around 1-400 000 rows per table. Unfortunately, I dont have enough experience yet in this area to make the conclusion by myself... Thanks a lot! References: http://stackoverflow.com/questions/1537219/how-to-handle-foreign-key-while-partitioning http://stackoverflow.com/questions/2496140/mysql-partitioning-with-foreign-keys

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  • Application.Current.Shutdown() vs. Application.Current.Dispatcher.BeginInvokeShutdown()

    - by Daniel Rose
    First a bit of background: I have a WPF application, which is a GUI-front-end to a legacy Win32-application. The legacy app runs as DLL in a separate thread. The commands the user chooses in the UI are invoked on that "legacy thread". If the "legacy thread" finishes, the GUI-front-end cannot do anything useful anymore, so I need to shutdown the WPF-application. Therefore, at the end of the thread's method, I call Application.Current.Shutdown(). Since I am not on the main thread, I need to invoke this command. However, then I noticed that the Dispatcher also has BeginInvokeShutdown() to shutdown the dispatcher. So my question is: What is the difference between invoking Application.Current.Shutdown(); and calling Application.Current.Dispatcher.BeginInvokeShutdown();

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  • Tips for transitioning from Visual Basic to Xcode

    - by Cyclone
    I've been programming in VB.net for a while now, and I finally got access to a mac to make ipod apps. What are some useful sites, videos, etc. that could help me get used to Objective C and the Xcode IDE? I've stumbled upon the samples on the apple dev site, but none of them really give good examples which I could learn the syntax of the language from. Thanks for the help, Objective C is really a big change from VB.net!

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  • Inconsistent get_class_methods vs method_exists when using UTF8 characters in PHP code

    - by coma
    I have this class in a UTF-8 encoded file called EnUTF8.Class.php: class EnUTF8 { public function ñññ() { return 'ñññ()'; } } and in another UTF-8 encoded file: require_once('EnUTF8.Class.php'); require_once('OneBuggy.Class.php'); $utf8 = new EnUTF8(); //$buggy = new OneBuggy(); echo (method_exists($utf8, 'ñññ')) ? 'ñññ() exists!' : 'ñññ() does not exist...'; echo "\n\n----------------------------------\n\n" print_r(get_class_methods($utf8)); echo "\n----------------------------------\n\n" echo $utf8->ñññ(); that produces the expected result: ñññ() exists! ---------------------------------- Array ( [0] => ñññ ) ---------------------------------- ñññ() but if... require_once('EnUTF8.Class.php'); require_once('OneBuggy.Class.php'); $utf8 = new EnUTF8(); $buggy = new OneBuggy(); echo (method_exists($utf8, 'ñññ')) ? 'ñññ() exists!' : 'ñññ() does not exist...'; echo "\n\n----------------------------------\n\n" print_r(get_class_methods($utf8)); echo "\n----------------------------------\n\n" echo $utf8->ñññ(); then the weirdness appears!!!: ñññ() does not exist! ---------------------------------- Array ( [0] => ñññ ) ---------------------------------- Fatal error: Call to undefined method EnUTF8::ñññ() in /var/www/test.php on line 16 Well, the thing is that OneBuggy.Class.php is UTF-8 encoded too and shares absolutly nothing with EnUTF8.Class.php so... where is the bug? UPDATED: Well, after a long debugging time I found this in OneBuggy.Class.php constructor: setlocale (LC_ALL, "es_ES@euro", "es_ES", "esp"); so I did... //setlocale (LC_ALL, "es_ES@euro", "es_ES", "esp"); and now it works but why?.

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  • MouseWheel: Scrolling vs. Zooming

    - by beaudetious
    I've got a Silverlight 4 custom control that basically is several Canvas elements wrapped inside a ScrollViewer. The user can set a property to determine whether to scroll or zoom when using their mouses wheel. In the custom control's MouseWheel event, I check to see if they want to scroll or zoom. If zooming, I determine the delta and modify the custom control's zoom level (which then handles the zooming code for me). The problem is that zooming won't start until the ScrollViewer's current position of the vertical scrollbar is at the top or bottom of the scrollbar. Once their, then the zooming works perfectly. Does anyone have any suggestions on how I can prevent scrolling completely so that I only zoom (when the user wants to zoom, that is)? Thanks!

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  • jQuery RJS inserting string vs dom.

    - by Dmitriy Likhten
    So I am trying to use jQuery to insert data from an ajax call. I actually use the jquery.form plugin, and have the ajax form submitted with a dataType: 'script'. The response is a jquery expression which contains a <%= javascript_escape(render ...) %> erb tag (similar to what the railscasts episode 136 instructs to do). However the end result is that the full text of the render is inserted as if that was the content to be inserted into the page, as text, not as dom elements. Could the fact that the render had some newlines at the beginning be the cause? Dom text: "\n \n &lt;li>....&lt;/li>" I also tried having jQuery just read the response as a script and execute it, and used the prototype-based rjs stuff, same effect, the text is inserted into the dom. Are there any reasons why such a behavior would be experienced? A bit of clarification: My response.js.erb is jQuery("#content").append("<%= escape_javascript(render(:partial => "widgets")) %>"); jQuery("#information").text("Finally, something happened!"); The full text inside the append() call is inserted as text into #content.

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  • Batch vs SQL statement

    - by AspOnMyNet
    a) A SQL statement is a single SQL command (for example, SELECT * FROM table1 or SET NOCOUNT ON). A batch on the other hand, is a number of SQL statements sent to the server for execution as a whole unit. The statements in the batch are compiled into a single execution plan. Batches are separated by the GO command So the only difference between SQL statement and a Batch is that each SQL statement is sent to server as a separate unit and thus is compiled separately from other SQL statements, while SQL statements in a Batch are compiled together? b) I assume one of major differences between a stored procedure and a Batch is that stored procedures are precompiled while Batches aren’t? thanx

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  • Unable to read .rtf file in VS.NET 2008 Setup

    - by constant learner
    Hello All I have created a simple windows application in .NET 2008. Im packaging the same into a setup file using .NET Setup and Deployment. Also i am customizing it to include a License Agreement UI. And i am pointing the License Agreement window to read the license.rtf file which is being included in the Application folder. After successful build, if i run the setup file i can see the License Agreement window but i cannot see the content of my file. Any ideas what is the issue behind this ? Regards CL

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