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  • Question about [Pure] methods

    - by devoured elysium
    Is the following method Pure? I'd say so, as it doesn't change in anyway the current class, thus, everything we can now currenly "see" in the class, before running this method will still be exactly the same after. Am I correct? class Set { ... public ISet<T> UnionWith(ISet<T> set) { ISet<T> unionSet = ... foreach (Element element in this) { unionSet.Add(element); } foreach (Element element in set) { unionSet.Add(element); } return unionSet; } }

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  • Are there any modeling tools that can visually generate jpa or sql queries?

    - by Shervin
    Does anyone know of a tool like PowerArchitect or SquirrelSQL or maybe eclipse plugin that lets you also generate jpa/sql queries? Imagine you choosing your database, or your entity beans, and the modeling would reverse engineer your database/entity model, so that you could visually just choose the columns you wanted to select, and it would generate jpa or sql queries for you. For instance choosing A.b and X.y would generate something like this: select a.b, x.y from A a, X x join ......

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  • Help With Lisp Code for a Binary Tree

    - by iulia
    I have (setq l2 '(1 (2 b (c 1 b))(a (1 2) d))) ( defun drumuri (l3) ( cond ( (atom l3) ( cons l3 nil)) ( t ( append ( cons ( car l3 ) nil) ( drumuri ( cadr l3)) (cons (car l3)nil) ( drumuri ( caddr l3)) )))) ( drumuri l2) and it gives me: Break 2 [4]> DRUMURI Break 2 [4]> (1 2 B 2 C 1 C B 1 A 1 2 1 NIL A D) but i need: ((1 2 B)(1 2 C 1)(1 2 C B)(1 A 1 2)(1 A D))

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  • What are some good programming challenge websites?

    - by Martin
    I used to be a member of +Ma's Reversing, and later became a member of Caesum's Electrica. Recently I've played Bright Shadows. Are there other good sites for a challenge? Question reopened; not a duplicate. Similar, yes, but slightly different. Related: http://stackoverflow.com/questions/24692/where-can-you-find-funeducational-programming-challenges

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  • code access security

    - by rkrauter
    Why do I need to Demand permission? Why can't it simply fail (commenting out the .Demand() call)? ref: http://support.microsoft.com/kb/315529 Thanks! try { // Demand the permission to access the C:\Temp folder. permFileIO.Demand(); resultText.Append("The demand for permission to access the C:\\Temp folder succeeded.\n\n"); }

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  • c# - SQL - speed up code to DB

    - by user228058
    I have a page with 26 sections - one for each letter of the alphabet. I'm retrieving a list of manufacturers from the database, and for each one, creating a link - using a different field in the Database. So currently, I leave the connection open, then do a new SELECT by each letter, WHERE the Name LIKE that letter. It's very slow, though. What's a better way to do this? TIA

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  • What is the problem with this code?

    - by Giffyguy
    The compile error I'm getting is "newline in constant" The error occurs where the four asterisks are (****). I can't debug, because the solution won't build successfully. <script type="text/javascript"> function TNClicked(fullImgURL, TNID) { document.getElementById("<%= this.imgFull.ClientID %>").src = fullImgURL; var pnlFullImage = document.getElementById("<%= this.pnlFullImage.ClientID %>"); if (pnlFullImage.style.visibility != "visible") pnlFullImage.style.visibility = "visible"; document.getElementById("<%= this.tcImage.ClientID %>").innerHTML = TNID; //document.forms[0].ctl00$ctl00$ctl00$cntBody$hfImage.value = TNID; //****document.getElementById("<%= this.hfImage").setAttribute("value", TNID); //document.getElementById("<%= this.hfImage.ClientID %>").value = TNID; } </script>

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  • Unable to instantiate class containing Hibernate code

    - by Steven
    hi, i am developing a plug in which deals with hibernate project.I get some classes which contain Session and Session factory .Then i want to instantiate an object of these classes using reflections which i am not able to do it even after including the hibernate jars in the classpath of my plug in.What is the problem?Help

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  • asp.net: Where can I put my source files.

    - by David Sykes
    I am developing a web form using Visual Web Developer Currently I have class source files in the same directory as the web form, or in the App_Code folder. I'd like to organise the files into folders within the web form folder, but I can't find a way of adding a reference to the folders, and they don't seem to be being picked up automatically. These are files that are under constant development. What is the asp.net/c#'s equivalent concept to c++'s #include?

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  • Operating System for first production windows server code?

    - by Unkwntech
    I'm getting ready to purchase a server for me to deploy my first windows based (C# .NET) application but I'm not familiar with using windows for hosted applications. I have the choice of the following versions of windows: Windows Server 2003 Windows Server 2003 Web Windows Server 2003 Enterprise Windows Server 2008 Windows Server 2008 Web Windows Server 2008 Enterprise Would one of these be better for deploying a C# .NET application? EDIT: There will be 3 applications deployed but each will basically be the same, they will be services that are driven from data being brought in from a website that will likely run on the same server. http://www.microsoft.com/windowsserver2008/en/us/compare-roles.aspx

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  • Calling DI Container directly in method code (MVC Actions)

    - by fearofawhackplanet
    I'm playing with DI (using Unity). I've learned how to do Constructor and Property injection. I have a static container exposed through a property in my Global.asax file (MvcApplication class). I have a need for a number of different objects in my Controller. It doesn't seem right to inject these throught the constructor, partly because of the high quantity of them, and partly because they are only needed in some Actions methods. The question is, is there anything wrong with just calling my container directly from within the Action methods? public ActionResult Foo() { IBar bar = (Bar)MvcApplication.Container.Resolve(IBar); // ... Bar uses a default constructor, I'm not actually doing any // injection here, I'm just telling my conatiner to give me Bar // when I ask for IBar so I can hide the existence of the concrete // Bar from my Controller. } This seems the simplest and most efficient way of doing things, but I've never seen an example used in this way. Is there anything wrong with this? Am I missing the concept in some way?

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  • code to edit the text ib an EditText widgit

    - by user293663
    Hello, I am a newbi programmer and am having trouble with a measurement conversion program I am working on. What I would like to do is have several EditText boxes. When one is filled in and a calculate button is hit then the rest will be populated with a converted number. The part I am getting stuck on is outputting the answers to EditText widgets. ex: There are three EditText Widgets. a user inputs the number 6 into the first one (labeled inches) and presses calculate. I would like the next box to display .5 (labeled feet) and the last to display .1666 (this would be yards) .setText() apparently does not work to modify the text in an EditText any help would be greatly appreciated.

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  • WordPress: don't show 404 when no posts exist

    - by philfreo
    Currently there is a bug in WordPress if you have a Posts Page set under: Settings-Reading-A Static Page-Posts Page If there are posts, than the page (e.g. with a slug called news) displays the post, and uses index.php from the theme. But, with this configuration, if there are no posts, then it calls the theme's 404 page. This is definitely a bug, and has been submitted (Ticket #10822). It should be letting index.php show whatever it wants upon !have_posts(), but right now the page doesn't seem to be called at all. My question is: is there a workaround for this bug without modifying core wp files? I'd be open to a plugin, theme changes, a custom page template, htaccess changes, etc.

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  • Handling Data Hierarchies in code

    - by Miau
    Hi there So, say I have a string to parse with a given format that maps to a tree like data structure. The string is kinda similar to a folder path, and the structure is similar to a file structure, except its got some rules so for something@cat1@otherSomething you would get /something/cat1/otherSomething for something@cat2@otherSomething you would get /something/cat2/otherSomething other examples /OtherThing/cat1/otherSomething/Blah /OtherThing/cat4/otherSomething Where something, cat1, otherSomethign, etc are some sort of instances of ICategory There are certain rules that control what subcategories are valid and which subcategories are not acceptable, at the moment I m considering a heavy Object hierachy, but I know this is not a flexible solution, I d prefer the categories to be a bit more general but again, since there are rules about what can go next I m not sure how to do this. An example of a rule can be: OtherThing can only have subcategories cat1 and cat4 ( anything else is invalid) An option would be to use some sort of convention based aproach to instantiate a particular class given a subsection of the string(like cat4) but it seems a bit too complex, I m all ears Thanks

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  • Why doesn't Default route work using Html.ActionLink in this case?

    - by StuperUser
    I have a rather perculiar issue with routing. Coming back to routing after not having to worry about configuration for it for a year, I am using the default route and ignore route for resources: routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = UrlParameter.Optional }); I have a RulesController with an action for Index and Lorem and a Index.aspx, Lorem.aspx in Views Rules directory. I have an ActionLink aimed at Rules/Index on the maseter page: <li><div><%: Html.ActionLink("linkText", "Index", "Rules")%></div></li> The link is being rendered as http://localhost:12345/Rules/ and am getting a 404. When I type Index into the URL the application routes it to the action. When I change the default route action from "Index" to "Lorem", the action link is being rendered as http://localhost:12345/Rules/Index adding the Index as it's no longer on the default route and the application routes to the Index action correctly. I have used Phil Haack's Routing Debugger, but entering the url http://localhost:12345/Rules/ is causing a 404 using that too. I think I've covered all of the rookie mistakes, relevant SO questions and basic RTFMs. I'm assuming that "Rules" isn't any sort of reserved word in routing. Other than updating the Routes and debuugging them, what can I look at?

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  • Monetary Escrow Recommendation

    - by buzzappsoftware
    We are a software development company. We need to establish a monetary escrow for one of our clients. The idea is they pay for the whole fixed bid project up front. However, the money is not released to us until agreed upon milestones have been met. This is very similar to the system Elance uses. From our side, we need to protect ourselves in the event we complete a client's project and by the time that happens they cannot pay for one reason or another. Thank you for your time. All help appreciated.

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  • Boolean Code Clarity - which style to use? [closed]

    - by Anonymous
    I was wondering what style others' use when writing conditional statements that include boolean types. Currently I'm caught between using two styles. bool foo; if (foo == true) if (foo) if (foo == false) if (!foo) Obviously the first set is a bit more obvious. However, when combining conditions it could get a bit clunky. if (foo == true || blah == false || abc == true) if (foo || !blah || abc) Switching between one style for short conditionals and the other for long conditionals seems like inconsistent coding so it seems like I'd have to choose between one or the other. What do you prefer or consider better style and why?

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  • Can PMD be customized to fully support a new language?

    - by tinny
    Can PMD be customized to fully support a new language, in a reasonable amount of time. I mean I know that technically almost anything can be done, but im wondering if this can be done in a reasonable amount of time? E.g. < 2 weeks This page mentions how to write a CPD parser http://pmd.sourceforge.net/cpd-parser-howto.html But is this just for copy / paste detection? Does writing a CPD parser give me full support of PMD in terms of rile sets?

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  • Should non-English member names be changed to English?

    - by M.A. Hanin
    Situation: Automatically generated memebers, such as MenuStrip items, have their (automatically generated) names based on the text entered when the item was created. My most common situation is creating a menu-strip and adding menu-items by entering their text (using the graphical designer). Since my GUI is in Hebrew, all these members have a name which contains a Hebrew string. Something like "(hebrew-text)ToolStripItem". When I create event handlers, the event handlers "inherit" the hebrew text: "(hebrew-text)ToolStripMenuItem_Click". This actually works well, IntelliSense has no problem with Hebrew text, and so does the compiler. The question is: should I change these names (or prevent them from being created in the first place)? What are the possible consequences of keeping those names?

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  • Visual Studio XSD Tool: Generate Collections Rather Than Arrays

    - by senfo
    I generated some C# classes from an XSD using the Visual Studio XSD utility and it generated arrays for storing a collection of elements, rather than one of the built-in generic Collection<T> (or related) classes. None of the command line parameters mentioned in xsd /? mention anything about generating collections rather than arrays, but I know that this can be done with web service proxy classes that Visual Studio generates, so I figured it must be possible. Does anybody know how to have the XSD utility generate collection classes rather than arrays?

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