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  • How to speed up WPF programs?

    - by Sam
    I love programming with and for Windows Presentation Framework. Mostly I write browser-like apps using WPF and XAML. But what really annoys me is the slowness of WPF. A simple page with only a few controls loads fast enough, but as soon as a page is a teeny weeny bit more complex, like containing a lot of data entry fields, one or two tab controls, and stuff, it gets painful. Loading of such a page can take more than one second. Seconds, indeed, especially on not so fast computers (read: the customers computers) it can take ages. Same with changing values on the page. Everything about the WPF UI is somehow sluggy. This is so mean! They give me this beautiful framework, but make it so excruciatingly slow so I'll have to apologize to our customers all the time! My Question: How do you speed up WPF? How do you profile bottlenecks? How do you deal with the slowness? Since this seems to be an universal problem with WPF, I'm looking for general advice, useful for many situations and problems. Some other related questions: What tools do you use for WPF development Tools to develop WPF or Silverlight applications

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  • Focussing on Style Sheets and Cross Browser Compatibility.

    - by Sam
    Hello everyone, Let me begin this topic by explaining my background experience with web design. I have always been more of a back end programmer, with PHP and SQL and things. However I do have a shallow background with HTML and CSS. The problem is, I don't know it all. What I do know is, when it comes to designing (not back end dirty work) I understand basic CSS properties and I also understand HTML and I can usually throw together a sloppy web page with the two and a couple bazillion DIV tags. Anyways.. The problem I always have encountered is that when I design a website in a browser such as IE7 (and then it looks perfect on IE7), and then look at it on IE8 or IE6 or Mozilla (etc.) it gets all spacey and ugly and looks totally different than the way it should look on IE7. Question one: Basically, what I am asking everyone is what route should I take to learn how to properly build the website? Build as in put it togehter with CSS standards and HTML standards that will make my site look the same on every brwoser. (Not only learning standards but where can I learn to properly write my code?) Where is a strong free resource I can use to learn how to these things? Question two: How do I properly code my website? Do I use all external style sheets to make dynamic page design simplistic or do I hard code some things into the DIV tags on each page? What is proper? Oh, and if anyone has any tutorials on how to properly design a complete layout feel free to throw it in a response somewhere. Thank you for taking the time to read my questions, and hopefully you will understand what I am trying to get out to everyone. I need to get on the right route of the designing side of web programming so that I will know how to create successful websites in the future. Thank you, Sam Pardee

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  • Incorporating the Windows 7 onscreen keyboard into a WPF app

    - by mmr
    Windows 7 has a really nice onscreen keyboard program/control for touchscreens. I have a touchscreen app that was originally written for, and will be deployed on, XP. Is it possible to incorporate this keyboard directly into my app, rather than me using a custom control? I can find no programmatic information about it, so any links would be very helpful. Specifically, I'd need: To be able to use the keyboard on an XP machine that will have .NET 3.5 sp1 installed on it. To be able to hide the native keyboard on Windows 7, because I've already incorporated the touchscreen keyboard in my UI and so I don't need another one cluttering up the UI. This native keyboard has two attractive aspects to it. First off, it's automatically localized to the customer's language (though the rest of the app will need modification), and second off, it doesn't seem to suffer from 'touch lag' as the OS tries to figure out whether or not I'm doing a gesture, because I'm clearly typing on a keyboard. The app is WPF based, which should mean easy integration with Windows 7 based controls. EDIT: I'd really like the XP thing, but it's not a requirement. The ability to use the keyboard in Win7, though, seems like it should be possible and even the right way to do it.

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  • Using Nemerle in asp.net App_Code directory

    - by Andrew Davey
    I want to use Nemerle in an ASP.NET application. Specifically, putting .n files into App_Code. I added this to my web.config system.codedom/compilers section: <compiler language="n;Nemerle" extension=".n" type="Nemerle.Compiler.NemerleCodeProvider, Nemerle.Compiler"/> When running I get this exception: The assembly '' is already loaded in another appdomain. Setting in machine.config can help solve this issue. Stack trace [HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.] System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories, Boolean isDirectoryAllowed) +8809675 System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories) +128 System.Web.Compilation.BuildManager.CompileCodeDirectories() +265 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +320 [HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.] System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +58 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +512 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) +729 [HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8890735 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +85 System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +259 What am I doing wrong?

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  • Using a Case statement within the values section of an Insert statement

    - by mattgcon
    Please forgive my ignorance and poor SQL programming skills but I am normally a basic SQL developer. I need to create a trigger off the insertion of data in one table to insert different data into another table. Within this trigger I need to insert certain data into the new table based upon values within the newly inserted data from the original table. I am totally confused on this. i thought I would be creative and use a case statement within teh Values section but it is not working. Can anyone please help me on this? (below is the code for the trigger that I have as of now) INSERT INTO dbo.WebOnlineUserPeopleDashboard ( ONLINE_USERACCOUNT_ID, ONLINE_ROOMS_DIRECTORY, ONLINE_ROOMS_LIST, ONLINE_ROOMS_PLACEMENT, ONLINE_ROOMS_MANAGEMENT, ONLINE_MAILINGLIST_DIRECTORY, ONLINE_MAILINGLIST_LIST, ONLINE_MAILINGLIST_MEMBERS, ONLINE_MAILINGLIST_MANAGER, ONLINE_PEOPLESEARCH_DIRECTORY ) VALUES IF (SELECT ONLINE_PEOPLE_FULL_ACCESS FROM INSERTED) = 1 BEGIN SELECT ONLINE_USERACCOUNT_ID, 1, 1, 1, 1, 1, 1, 1, 1, 1 FROM INSERTED END ELSE IF (SELECT ONLINE_PEOPLE_FULL_ACCESS FROM INSERTED) = 0 BEGIN SELECT ONLINE_USERACCOUNT_ID, 0, 0, 0, 0, 0, 0, 0, 0, 0 FROM INSERTED END ELSE BEGIN SELECT ONLINE_USERACCOUNT_ID, CASE --DIRECTORY WHEN ONLINE_PEOPLE_ROOMS_PLACEMENT_FULL_ACCESS = 1 OR ONLINE_PEOPLE_ROOMS_PLACEMENT_VIEW = 1 OR ONLINE_PEOPLE_ROOMS_PLACEMENT_ADD = 1 OR ONLINE_PEOPLE_ROOMS_PLACEMENT_UPDATE = 1 OR ONLINE_PEOPLE_ROOMS_PLACEMENT_DELETE = 1 THEN 1 WHEN ONLINE_PEOPLE_ROOMS_PLACEMENT_FULL_ACCESS = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_ROOMS_PLACEMENT_VIEW = 1 THEN 1 WHEN ONLINE_PEOPLE_ROOMS_PLACEMENT_VIEW = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_ROOMS_PLACEMENT_ADD = 1 OR ONLINE_PEOPLE_ROOMS_PLACEMENT_UPDATE = 1 OR ONLINE_PEOPLE_ROOMS_PLACEMENT_DELETE = 1 THEN 1 WHEN ONLINE_PEOPLE_ROOMS_PLACEMENT_ADD = 0 AND ONLINE_PEOPLE_ROOMS_PLACEMENT_UPDATE = 0 AND ONLINE_PEOPLE_ROOMS_PLACEMENT_DELETE = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_ROOMS_MANAGEMENT_FULL_ACCESS = 1 THEN 1 WHEN ONLINE_PEOPLE_ROOMS_MANAGEMENT_FULL_ACCESS = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_MAILING_LISTS_FULL_ACCESS = 1 OR ONLINE_PEOPLE_MAILING_LISTS_VIEW = 1 OR ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_ADD = 1 OR ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_UPDATE = 1 OR ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_DELETE = 1 THEN 1 WHEN ONLINE_PEOPLE_MAILING_LISTS_FULL_ACCESS = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_MAILING_LISTS_VIEW = 1 THEN 1 WHEN ONLINE_PEOPLE_MAILING_LISTS_VIEW = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_ADD = 1 OR ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_UPDATE = 1 OR ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_DELETE = 1 THEN 1 WHEN ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_ADD = 0 AND ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_UPDATE = 0 AND ONLINE_PEOPLE_MAILING_LISTS_MEMBERS_DELETE = 0 THEN 0 END, CASE WHEN ONLINE_PEOPLE_MAILING_LISTS_ADD = 1 OR ONLINE_PEOPLE_MAILING_LISTS_UPDATE = 1 OR ONLINE_PEOPLE_MAILING_LISTS_DELETE = 1 THEN 1 WHEN ONLINE_PEOPLE_MAILING_LISTS_ADD = 1 OR ONLINE_PEOPLE_MAILING_LISTS_UPDATE = 1 OR ONLINE_PEOPLE_MAILING_LISTS_DELETE = 1 THEN 0 END, CASE WHEN ONLINE_PEOPLE_PEOPLE_SEARCH = 1 THEN 1 WHEN ONLINE_PEOPLE_PEOPLE_SEARCH = 0 THEN 0 END FROM INSERTED END END

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  • How do I convert an NSMutableString to NSString when using Frameworks?

    - by BWHazel
    I have written an Objective-C framework which builds some HTML code with NSMutableString which returns the value as an NSString. I have declared an NSString and NSMutableString in the inteface .h file: NSString *_outputLanguage; // Tests language output NSMutableString *outputBuilder; NSString *output; This is a sample from the framework implementation .m code (I cannot print the actual code as it is proprietary): -(NSString*)doThis:(NSString*)aString num:(int)aNumber { if ([outputBuilder length] != 0) { [outputBuilder setString:@""]; } if ([_outputLanguage isEqualToString:@"html"]) { [outputBuilder appendString:@"Some Text..."]; [outputBuilder appendString:aString]; [outputBuilder appendString:[NSString stringWithFormat:@"%d", aNumber]]; } else if ([_outputLanguage isEqualToString:@"xml"]) { [outputBuilder appendString:@"Etc..."]; } else { [outputBuilder appendString:@""]; } output = outputBuilder; return output; } When I wrote a text program, NSLog simply printed out "(null)". The code I wrote there was: TheClass *instance = [[TheClass alloc] init]; NSString *testString = [instance doThis:@"This String" num:20]; NSLog(@"%@", testString); [instance release]; I hope this is enough information!

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  • Visual Studio setup problem - 'A problem has been encountered while loading the setup components. Ca

    - by kronoz
    Hi All, I've had a serious issue with my Visual Studio 2008 setup. I receive the ever-so-useful error 'A problem has been encountered while loading the setup components. Canceling setup.' whenever I try to uninstall, reinstall or repair Visual Studio 2008 (team system version). If I can't resolve this issue I have no choice but to completely wipe my computer and start again which will take all day long! I've recently received very strange errors when trying to build projects regarding components running out of memory (despite having ~2gb physical memory free at the time) which has rendered my current VS install useless. Note I installed VS2005 shell version using the vs_setup.msi file in the SQL Server folder after I had installed VS2008, in order to gain access to the SQL Server 2005 Reporting Services designer in Business Intelligence Development Studio (this is inexplicably unavailable in VS2008). Does anyone have any solutions to this problem? P.S.: I know this isn't directly related to programming, however I feel this is appropriate to SO as it is directly related to my ability to program at all! Note: A colleague found a solution to this problem, hopefully this should help others with this problem.

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  • Code Golf: Leibniz formula for Pi

    - by Greg Beech
    I recently posted one of my favourite interview whiteboard coding questions in "What's your more controversial programming opinion", which is to write a function that computes Pi using the Leibniz formula. It can be approached in a number of different ways, and the exit condition takes a bit of thought, so I thought it might make an interesting code golf question. Shortest code wins! Given that Pi can be estimated using the function 4 * (1 - 1/3 + 1/5 - 1/7 + ...) with more terms giving greater accuracy, write a function that calculates Pi to within 0.00001. Edit: 3 Jan 2008 As suggested in the comments I changed the exit condition to be within 0.00001 as that's what I really meant (an accuracy 5 decimal places is much harder due to rounding and so I wouldn't want to ask that in an interview, whereas within 0.00001 is an easier to understand and implement exit condition). Also, to answer the comments, I guess my intention was that the solution should compute the number of iterations, or check when it had done enough, but there's nothing to prevent you from pre-computing the number of iterations and using that number. I really asked the question out of interest to see what people would come up with.

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  • Legit? Two foreign keys referencing the same primary key.

    - by Ryan
    Hi All, I'm a web developer and have recently started a project with a company. Currently, I'm working with their DBA on getting the schema laid out for the site, and we've come to a disagreement regarding the design on a couple tables, and I'd like some opinions on the matter. Basically, we are working on a site that will implement a "friends" network. All users of the site will be contained in a table tblUsers with (PersonID int identity PK, etc). What I am wanting to do is to create a second table, tblNetwork, that will hold all of the relationships between users, with (NetworkID int identity PK, Owners_PersonID int FK, Friends_PersonID int FK, etc). Or conversely, remove the NetworkID, and have both the Owners_PersonID and Friends_PersonID shared as the Primary key. This is where the DBA has his problem. Saying that "he would only implement this kind of architecture in a data warehousing schema, and not for a website, and this is just another example of web developers trying to take the easy way out." Now obviously, his remark was a bit inflammatory, and that have helped motivate me to find an suitable answer, but more so, I'd just like to know how to do it right. I've been developing databases and programming for over 10 years, have worked with some top-notch minds, and have never heard this kind of argument. What the DBA is wanting to do is instead of storing both the Owners_PersonId and Friends_PersonId in the same table, is to create a third table tblFriends to store the Friends_PersonId, and have the tblNetwork have (NetworkID int identity PK, Owner_PersonID int FK, FriendsID int FK(from TBLFriends)). All that tblFriends would house would be (FriendsID int identity PK, Friends_PersonID(related back to Persons)). To me, creating the third table is just excessive in nature, and does nothing but create an alias for the Friends_PersonID, and cause me to have to add (what I view as unneeded) joins to all my queries, not to mention the extra cycles that will be necessary to perform the join on every query. Thanks for reading, appreciate comments. Ryan

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  • Showing mobile friendly web page without having to zoom in

    - by Grant
    Hi, im trying to create a mobile friendly web page using the code below. When i view it over a HTC desire i have to zoom in to see the correct size. How can i get it to display normally without having to zoom in? <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="MobileSite._Default" %> <!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>My Mobile Site</title> </head> <body style="width: 480px"> <form id="form" runat="server"> <div> Test<br /> Test<br /> Test </div> </form> </body> </html>

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  • Examples of localization in Perl using gettext and Locale::TextDomain, with fallback if Locale::Text

    - by Jakub Narebski
    The "On the state of i18n in Perl" blog post from 26 April 2009 recommends using Locale::TextDomain module from libintl-perl distribution for l10n / i18n in Perl. Besides I have to use gettext anyway, and gettext support in Locale::Messages / Locale::TextDomain is more natural than in gettext emulation in Locale::Maketext. The subsection "15.5.18 Perl" in chapter "15 Other Programming Languages" in GNU gettext manual says: Portability The libintl-perl package is platform independent but is not part of the Perl core. The programmer is responsible for providing a dummy implementation of the required functions if the package is not installed on the target system. However neither of two examples in examples/hello-perl in gettext sources (one using lower level Locale::Messages, one using higher level Locale::TextDomain) includes detecting if the package is installed on the target system, and providing dummy implementation if it is not. What is complicating matter (with respect to detecting if package is installed or not) is the following fragment of Locale::TextDomain manpage: SYNOPSIS use Locale::TextDomain ('my-package', @locale_dirs); use Locale::TextDomain qw (my-package); USAGE It is crucial to remember that you use Locale::TextDomain(3) as specified in the section "SYNOPSIS", that means you have to use it, not require it. The module behaves quite differently compared to other modules. Could you please tell me how one should detect if libintl-perl is present on target system, and how to provide dummy fallthrough implementation if it is not installed? Or give examples of programs / modules which do this?

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  • WCF: Per-Call and Per-Session services...need convincing that Per-Call is worthwhile

    - by mrlane
    Hello all. We are currently doing a review of our WCF service design and one thing that is bothering me is the decision between Per-Call and Per-Session services. I believe I understand the concept behind both, but I am not really seeing the advantage of Per-Call services. I understand that the motivation for using Per-Call services is that a WCF services only holds a servier object for the life of a call thereby restricting the time that an expensive resource is held by the service instance, but to me its much simpler to use the more OO like Per-Session model where your proxy object instance always corrisponds to the same server object instance and just handle any expensive resources manually. For example, say I have a CRUD Service with Add, Update, Delete, Select methods on it. This could be done as a Per-Call service with database connection (the "expensive resource") instanciated in the server object constructor. Alternately it could be a Per-Session service with a database connection instanciated and closed within each CRUD method exposed. To me it is no different resource wise and it makes the programming model simpler as the client can be assured that they always have the same server object for their proxies: any in-expensive state that there may be between calls is maintained and no extra parameters are needed on methods to identify what state data must be retrieved by the service when it is instanciating a new server object again (as in the case of Per-Call). Its just like using classes and objects, where the same resource management issues apply, but we dont create new object instances for each method call we have on an object! So what am I missing with the Per-Call model? Thanks

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  • Efficient Multiple Linear Regression in C# / .Net

    - by mrnye
    Does anyone know of an efficient way to do multiple linear regression in C#, where the number of simultaneous equations may be in the 1000's (with 3 or 4 different inputs). After reading this article on multiple linear regression I tried implementing it with a matrix equation: Matrix y = new Matrix( new double[,]{{745}, {895}, {442}, {440}, {1598}}); Matrix x = new Matrix( new double[,]{{1, 36, 66}, {1, 37, 68}, {1, 47, 64}, {1, 32, 53}, {1, 1, 101}}); Matrix b = (x.Transpose() * x).Inverse() * x.Transpose() * y; for (int i = 0; i < b.Rows; i++) { Trace.WriteLine("INFO: " + b[i, 0].ToDouble()); } However it does not scale well to the scale of 1000's of equations due to the matrix inversion operation. I can call the R language and use that, however I was hoping there would be a pure .Net solution which will scale to these large sets. Any suggestions? EDIT #1: I have settled using R for the time being. By using statconn (downloaded here) I have found it to be both fast & relatively easy to use this method. I.e. here is a small code snippet, it really isn't much code at all to use the R statconn library (note: this is not all the code!). _StatConn.EvaluateNoReturn(string.Format("output <- lm({0})", equation)); object intercept = _StatConn.Evaluate("coefficients(output)['(Intercept)']"); parameters[0] = (double)intercept; for (int i = 0; i < xColCount; i++) { object parameter = _StatConn.Evaluate(string.Format("coefficients(output)['x{0}']", i)); parameters[i + 1] = (double)parameter; }

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  • Accessing Yahoo realtime stock quotes

    - by DVK
    There's a fairly easy way of retrieving 15-minute delayed quotes off of Yahoo! Finance web site ("quotes.csv" API). However, so far I was unable to find any info on how to access real-time quotes. The hang-ups with real-time quotes are: Only available to logged-in user No API Non-obvious how to scrape the info - I'm somewhat convinced they are placed on the page by some weird Ajax call. So I was wondering if anyone had managed to develop a publically available solution to retrieve real-time quotes for a stock from Yahoo! Finance. Notes: Implementation language/framework need is flexible but Perl or Excel is highly preferred. Assume that security is not an issue - I'm willing to supply yahoo userid and pasword, even in cleartext. I'm not 100% hung up on Yahoo - they are merely the only provider of free realtime stock quotes I'm familiar with. if the same thing can be done with Google Finance, I'd be just as happy. This is for a personal project, so scalability/fault tolerance/etc... are not important. I'm looking for a "do the whole retrieval" library ideally, but if I'm pointed to partial solutions (e.g. how to retrieve info from Yahoo's user-logged-in pages; how to scrape realtime quotes from Yahoo's page) I can fill in the blanks. I saw Finance::YahooQuote but it does not seem to allow you to supply log-in information and appears to use the lagging quotes.csv API Thanks!

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  • consistency of Trigger Procedure (before row trigger) Postgresql

    - by elgcom
    Using Postgresql. I try to use TRIGGER procedure to make some consistency check on INSERT. The question is ...... whether "BEFORE INSERT FOR EACH ROW" can make sure each row to insert "checked" and "inserted" one after another? do I need extra lock on table to survive from concurrent insert? check for new row1 - insert row1 - check for new row2 - insert row2 -- -- -- unexpired product name is unique. CREATE TABLE product ( "name" VARCHAR(100) NOT NULL, "expired" BOOLEAN NOT NULL ); CREATE OR REPLACE FUNCTION check_consistency() RETURNS TRIGGER AS $$ BEGIN IF EXISTS (SELECT * FROM product WHERE name=NEW.name AND expired='false') THEN RAISE EXCEPTION 'duplicated!!!'; END IF; RETURN NEW; END; $$ LANGUAGE plpgsql; CREATE TRIGGER trigger_check_consistency BEFORE INSERT ON product FOR EACH ROW EXECUTE PROCEDURE check_consistency(); -- INSERT INTO product VALUES("prod1", true); INSERT INTO product VALUES("prod1", false); INSERT INTO product VALUES("prod1", false); // exception! this is OK name | expired ============== p1 | true p1 | true p1 | false This is not OK name | expired ============== p1 | true p1 | false p1 | false or maybe I should ask, how can I use Trigger to implement "Primary" or "Unique" constraint-like SQL.

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  • Why do I get an error 'Cannot resolve symbol <symbolname>' in ReSharper?

    - by drachenstern
    Using VS2008 and R# 5 I'm running into an odd situation, where on an aspx page I keep getting Cannot resolve symbol 'symbolname' But the code compiles and runs fine. While having a fix for this would be great, I'm just trying to figure out if I'm losing my mind. The CodeFile directive and Inherits directives are fine. If I compile the app or just let devenv sit for a bit it'll go away, but as soon as I save the aspx [via ctrl+s] R# suddenly has trouble with the Inherits attribute and flips out on every method in the page (OnClick etc). // Anonymized of course but otherwise intact <%@ Page AutoEventWireup="true" CodeFile="TestPage.aspx.cs" Inherits="TestPage" Language="C#" MasterPageFile="~/MasterPage.master" Title="Test Page Title" %> This is mostly just a grievance, because since the code compiles it doesn't stop me from doing what I need. I would post a bug report to the JetBrains site but first I would like to know I'm not alone. It could be my machine. Maybe when I roll to VS2010 in a couple weeks this will go away?

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  • Height of a html window's content (not just the viewport height)

    - by gatapia
    Hi All, I'm trying to get the height of a html window's content. This is the full height of the content not the visible height. I have had some (very limited) success using: document.getElementsByTagName('html')[0].offsetHeight in FireFox. This however fails in IEs and it fails in Chrome when using absolute positioned elements (http://code.google.com/p/chromium/issues/detail?id=38999). A sample html file that can be used to reproduce this is: <html> <head> <style> div { border:solid 1px red; height:2000px; width:400px; } .broken { position:absolute; top:0; left:0; } .fixed { position:relative; top:0; left:0; } </style> <script language='javascript'> window.onload = function () { document.getElementById('window.height').innerHTML = window.innerHeight; document.getElementById('window.screen.height').innerHTML = window.screen.height; document.getElementById('document.html.height').innerHTML = document.getElementsByTagName('html')[0].offsetHeight; } </script> </head> <body> <div class='fixed'> window.height: <span id='window.height'>&nbsp;</span> <br/> window.screen.height: <span id='window.screen.height'></span> <br/> document.html.height: <span id='document.html.height'></span> <br/> </div> </body> </html> Thanks All Guido Tapia

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  • How to Put Javascript into an ASP.NET MVC View

    - by Maxim Z.
    I'm really new to ASP.NET MVC, and I'm trying to integrate some Javascript into a website I'm making as a test of this technology. My question is this: how can I insert Javascript code into a View? Let's say that I start out with the default ASP.NET MVC template. In terms of Views, this creates a Master page, a "Home" View, and an "About" view. The "Home" View, called Index.aspx, looks like this: <%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" %> <asp:Content ID="indexTitle" ContentPlaceHolderID="TitleContent" runat="server"> Home Page </asp:Content> <asp:Content ID="indexContent" ContentPlaceHolderID="MainContent" runat="server"> <h2><%= Html.Encode(ViewData["Message"]) %></h2> <p> To learn more about ASP.NET MVC visit <a href="http://asp.net/mvc" title="ASP.NET MVC Website">http://asp.net/mvc</a>. </p> <p>Welcome to this testing site!</p> </asp:Content> Adding a <script> tag here didn't work. Where and how should I do it? P.S.: I have a feeling I'm missing something very basic... Thanks in advance!

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  • What components and IDE add-ins do you install with Delphi?

    - by Mick
    After a clean install of Delphi, what components and IDE add-ins do you make certain that you install? What's your Delphi "rig"? Here's what I install after a clean installation: Delphi 2007 JCL / JVCL - JEDI Code Library and JEDI Visual Code Library (600+ components) JWA / JWSCL - JEDI API Library & Security Code Library GExperts - GExperts is a free set of tools built to increase the productivity of Delphi and C++Builder programmers by adding several features to the IDE. TWM's experimental GExperts code formatter - adds code formatting capabilities to Delphi Virtual TreeView - Virtual Treeview is a treeview control built from ground up. More than 5 years of development made it one of the most flexible and advanced tree controls available today. MustangPeak Components (EasyList View, Virtual ShellTools, etc) - EasyListview is a control that has no dependance on the Microsoft Listview control but has all the features of the latest version from Microsoft. Also includes 'Explorer.exe' like shell components. Synapse lightweight networking components - contains simple low level non-visual objects for easy programming without problems. (no required multi-threaded synchronization, no need for windows message processing,…) Great for command line utilities, visual projects, NT services EurekaLog - EurekaLog is a complete bug resolution tool for Delphi and C++Builder developers that gives your application the power to catch every exception and memory leak, directly on the end user PC, generating a detailed log of the call stack (with file, class, method and line number), optionally sending you a copy of each log entry via email or to a web bug-tracker. DelphiSpeedUp - DelphiSpeedUp is an IDE plugin for Delphi and C++Builder. It improves the IDE’s startup speed and increases the general speed of the whole IDE. DDevExtensions - DDevExtensions extends the Delphi/C++Builder IDE by adding some new productivity features. IDE Fix Pack - The IDE Fix Pack installs is a DLL-Expert that fixes the following RAD Studio 2007 bugs at runtime. All changes are done in memory. No file on disk is modified. TPerlRegex - Regular Expression library for Delphi How about other Delphi developers?

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  • Visual Studio Conversion Suite

    - by KingPop
    I have this as my conversion program for the "Length", how can I do it the simpliest way instead of keeping the if, elseif, else too much, i do not have much experience and trying to improve my programming skills on visual studio 2008. Basically, I get annoyed with the formulas because I don't know if it is right, I use google but doesn't help because i don't know how to get it right when the program converts from type to type. Public Class Form2 Dim Metres As Integer Dim Centimetres As Integer Dim Inches As Integer Dim Feet As Integer Dim Total As Integer Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ErrorMsg.Hide() End Sub Private Sub btnConvert_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConvert.Click Metres = 1 Centimetres = 0.01 Inches = 0.0254 Feet = 0.3048 txtTo.Text = 0 If txtFrom.Text <> "" Then If IsNumeric(txtFrom.Text) And IsNumeric(txtTo.Text) Then If cbFrom.Text = "Metres" And cbTo.Text = "Centimetres" Then Total = txtFrom.Text * Metres txtTo.Text = Total ElseIf cbFrom.Text = "Metres" And cbTo.Text = "Inches" Then Total = txtFrom.Text * 100 txtTo.Text = Total ElseIf cbFrom.Text = "Metres" And cbTo.Text = "Feet" Then ElseIf cbFrom.Text = "Centimetres" And cbTo.Text = "Metres" Then ElseIf cbFrom.Text = "Centimetres" And cbTo.Text = "Inches" Then ElseIf cbFrom.Text = "Centimetres" And cbTo.Text = "Feet" Then ElseIf cbFrom.Text = "Inches" And cbTo.Text = "Metres" Then ElseIf cbFrom.Text = "Inches" And cbTo.Text = "Centimetres" Then ElseIf cbFrom.Text = "Inches" And cbTo.Text = "Feet" Then ElseIf cbFrom.Text = "Feet" And cbTo.Text = "Metres" Then ElseIf cbFrom.Text = "Feet" And cbTo.Text = "Centimetres" Then ElseIf cbFrom.Text = "Feet" And cbTo.Text = "Inches" Then End If End If End If End Sub End Class This is the source for what I have done at the moment.

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  • Zend_Translate scan translation files

    - by nute
    I've trying to use Zend_Translate from Zend Framework I am using "POEdit" to generate "gettext" translation files. My files are under /www/mysite.com/webapps/includes/locale (this path is in my include path). I have: pictures.en.mo pictures.en.po (I plan on having pictures.es.mo soon) It all works fine if I manually do addTranslation() for each file. However I want to use the automatic file scanning method. I tried both of those: <?php /*Localization*/ require_once 'Zend/Translate.php'; require_once 'Zend/Locale.php'; define('LOCALE','/www/mysite.com/webapps/includes/locale'); if(!empty($_GET['locale'])){ $locale = new Zend_Locale($_GET['locale']); } else{ $locale = new Zend_Locale(); } $translate = new Zend_Translate('gettext', LOCALE, null, array('scan' => Zend_Translate::LOCALE_FILENAME)); if ( $translate->isAvailable( $locale->getLanguage() ) ){ $translate->setLocale($locale); } else{ $translate->setLocale('en'); } And this: <?php /*Localization*/ require_once 'Zend/Translate.php'; require_once 'Zend/Locale.php'; define('LOCALE','/www/mysite.com/webapps/includes/locale'); if(!empty($_GET['locale'])){ $locale = new Zend_Locale($_GET['locale']); } else{ $locale = new Zend_Locale(); } $translate = new Zend_Translate('gettext', LOCALE); if ( $translate->isAvailable( $locale->getLanguage() ) ){ $translate->setLocale($locale); } else{ $translate->setLocale('en'); } In both cases, I get a Notice: No translation for the language 'en' available. in /www/mysite.com/webapps/includes/Zend/Translate/Adapter.php on line 411 It also worked if I tried to do directory scanning.

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  • How to force two process to run on the same CPU?

    - by kovan
    Context: I'm programming a software system that consists of multiple processes. It is programmed in C++ under Linux. and they communicate among them using Linux shared memory. Usually, in software development, is in the final stage when the performance optimization is made. Here I came to a big problem. The software has high performance requirements, but in machines with 4 or 8 CPU cores (usually with more than one CPU), it was only able to use 3 cores, thus wasting 25% of the CPU power in the first ones, and more than 60% in the second ones. After many research, and having discarded mutex and lock contention, I found out that the time was being wasted on shmdt/shmat calls (detach and attach to shared memory segments). After some more research, I found out that these CPUs, which usually are AMD Opteron and Intel Xeon, use a memory system called NUMA, which basically means that each processor has its fast, "local memory", and accessing memory from other CPUs is expensive. After doing some tests, the problem seems to be that the software is designed so that, basically, any process can pass shared memory segments to any other process, and to any thread in them. This seems to kill performance, as process are constantly accessing memory from other processes. Question: Now, the question is, is there any way to force pairs of processes to execute in the same CPU?. I don't mean to force them to execute always in the same processor, as I don't care in which one they are executed, altough that would do the job. Ideally, there would be a way to tell the kernel: If you schedule this process in one processor, you must also schedule this "brother" process (which is the process with which it communicates through shared memory) in that same processor, so that performance is not penalized.

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  • Dynamic ASP.NET controls using Infragistics

    - by Emil D
    So, in my asp.net webapp I need to dynamically load a custom control, based on the selected value of a dropdown list.That seems to work at first glance, but for some reason all infragistics controls that I have in my custom control appear, but won't work.I get a "Can't init [controlname]" warning in my browser.If I declare my custom control statically, this problem doesn't apprear Here's my code: Markup: <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="GenericReportGUI.ascx.cs" Inherits="GenericReportGUI" %> <%@ Register assembly="Infragistics35.WebUI.Misc.v8.3, Version=8.3.20083.1009,Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" namespace="Infragistics.WebUI.Misc" tagprefix="igmisc" %> <asp:UpdatePanel ID="myUpdatePanel" runat="server" UpdateMode="Conditional"> <ContentTemplate> <igmisc:WebPanel ID="WebPanel1" runat="server"> <Template> <div> <asp:PlaceHolder ID="Placeholder" runat="server"> </asp:PlaceHolder> </div> </Template> </igmisc:WebPanel> </ContentTemplate> </asp:UpdatePanel> Code-behind: public partial class GenericReportGUI : System.Web.UI.UserControl { protected void Page_Load(object sender, EventArgs e) { } protected override void OnPreRender( EventArgs e ) { base.OnPreRender(e); loadCustomControl(); } protected void loadCustomControl() { Placeholder.Controls.Clear(); string controlPath = getPath(); //getPath() returns the path to the .ascx file we need to load, based on the selected value of a dropdownlist try { Control newControl = LoadControl( controlPath ); Placeholder.Controls.Add( newControl ); } catch { //if the desired control cannot be loaded, display nothing } myUpdatePanel.Update();//Update the UpdatePanel that contains the custom control } } I'm a total noob when it comes to asp.net, so any help with this issue would be greatly appreciated.

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  • Request.IsAuthenticated problem with Cache in ASP.NET

    - by Julien
    Hello guys or girls..! I'm new in ASP.NET and I have a problem... When I want to cache I View or an Action like this : <%@ Page title="" language="C#" masterpagefile="~/Views/Shared/MemberHome.Master" inherits="System.Web.Mvc.ViewPage<IndexViewData>" %> <%@ OutputCache duration="400" varybyparam="divId;regionId;page" %> I know that it cache all data in my page ... But in my page I have a condition like this : <% if(Request.IsAuthenticated) { %> <a href="/fr/Advertiser/Search"><img src="/content/images/v_2/bot.jpg" alt="Entreprises liées à vos passions" title="Entreprises liées à vos passions" /></a> <% } else { %> <a href="/fr/Advertiser/OpenSearch"><img src="/content/images/v_2/bot.jpg" alt="Entreprises liées à vos passions" title="Entreprises liées à vos passions" /></a> <% } %> I dont want to cache this variable : Request.IsAuthenticated ... because some result depend of this condition ... I try the donut caching by scottgu's but it return (I think) just some text not a bool ... http://weblogs.asp.net/scottgu/archive/2006/11/28/tip-trick-implement-donut-caching-with-the-asp-net-2-0-output-cache-substitution-feature.aspx Now I'm tired to try anything that come to my mind .. can you help me pleaseee! :) Julien.

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  • Pseudocode: a clear definition?

    - by Cian E
    The following code is an example of what I think would qualify as pseudocode, since it does not execute in any language but the logic is correct. string checkRubric(gpa, major) bool brake = false num lastRange num rangeCounter string assignment = "unassigned" array bus['business']= array('person a'=>array(0, 2.9), 'person b'=>array(3, 4)) array cis['computer science']= array('person c'=>array(0, 2.9), 'person d'=>array(3, 4)) array lib['english']= array('person e'=>array(0, 4)) array rubric = array(bus, cis, lib) foreach (rubric as fieldAr) foreach (fieldAr as field => advisorAr) if (major == field) foreach (advisorAr as advisor => gpaRangeAr) rangeCounter = 0 foreach (gpaRangeAr as gpaValue) if (rangeCounter < 1) lastRange = gpaValue else if (gpa >= lastRange && gpa <= gpaValue) assignment = advisor brake = true break endif rangeCounter++ endforeach if (brake == true) break endif endforeach if (brake == true) break endif endif endforeach if (brake == true) break endif endforeach return assignment For the past couple of weeks I've been trying to create a clear definition of what pseudocode actually is. Is it relative to the programmer or is there an actual clearcut syntax? I say pseudocode is any code that does not execute, how about you? Thanks (links to this subject welcome)

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