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  • Is derived table executed once or three times?

    - by AspOnMyNet
    Every time you make use of a derived table, that query is going to be executed. When using a CTE, that result set is pulled back once and only once within a single query. Does the quote suggest that the following query will cause derived table to be executed three times ( once for each aggregate function’s call ): SELECT AVG(OrdersPlaced),MAX(OrdersPlaced),MIN(OrdersPlaced) FROM ( SELECT v.VendorID, v.[Name] AS VendorName, COUNT(*) AS OrdersPlaced FROM Purchasing.PurchaseOrderHeader AS poh INNER JOIN Purchasing.Vendor AS v ON poh.VendorID = v.VendorID GROUP BY v.VendorID, v.[Name] ) AS x thanx

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  • iPhone ShouldStartLoad fires once per click?

    - by BahaiResearch.com
    In my UIWebView when an anchor is clicked I catch it in ShouldStartLoad and always return false to cancel it. (I treat the clicks as command to do things) Strangely the ShouldStartLoad only fires once if the same anchor is clicked more than once in a row. Eg: Click "A", Click "A" - ShouldStartLoad receives "A" once Click "A", Click "B", Click "A" - ShouldStartLoad receives "A", then "B" then "A" Is there a way to make ShouldStartLoad receive "A" twice when clicked twice in a row?

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  • Event in Global.asax file that fires only for once

    - by fiberOptics
    In MVC Global.asax file, we can see the Application_Start where this event fires only for once. But the session is not yet active/available here. So my question is, is there any event in Global.asax file that fired only for once and session is available also? The reason I ask this is because, I use ExpandoObject e.g.: public static dynamic Data { get { #region FAILSAFE if (HttpContext.Current.Session[datakey] == null) { HttpContext.Current.Session[datakey] = new ExpandoObject(); } #endregion return (ExpandoObject)HttpContext.Current.Session[datakey]; } } I want to initialize all of my ExpandoObject at once with the value of null: MyExpando.Data.UserInformation = null; MyExpando.Data.FolderInformation = null; That's why I'm looking for an event that only fired once.

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  • Using pragma once in a C++ project in Xcode 4

    - by Nils
    I know that #pragma once is non-standard, however it is supported by most compilers. So on my Mac I can compile C++ code with headers that use #pragma once on the command line using clang++. The strange thing however is that it does not seem to work within Xcode. I get Invalid preprocessing directive when I try to use #pragma once. I am using the newest version of OSX (10.8.2) and Xcode (Version 4.5.1 (4G1004)).

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  • WCF Http Bindings, Require SSL

    - by JoshKraker
    I have the following binding I'm using with my wsHttpBinding webservice. <binding name="wsHttpConfig"> <security> <transport clientCredentialType="None"/> </security> </binding> The issue is that it allows for the client to connect using either Http or Https. I would like to require them to use SSL. I tried adding the following: <system.web.extensions> <scripting> <webServices> <authenticationService enabled="true" requireSSL = "true"/> </webServices> </scripting> </system.web.extensions> But it had no effect; client could still connect with Http. I then tried checking the "Require SSL" in the IIS7 SSL Settings and had client certificates radio set to Accept. Now, when I try to view the service I am getting the error "Could not find a base address that matches scheme http for the endpoint with binding WSHttpBinding. Registered base address schemes are [https]." Anyone know exactly how to fix this error? I have been googling for the last 3 hours trying 500 different combinations (not 500, but too many to list) and could not get anything to run.

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  • Touch gestures in IE not working without explorer.exe being run once

    - by Michael
    Edit: Rephrasing my question: Upon further troubleshooting, I can conclude that: Touch gestures (dragging, pinch to zoom, touch-and-hold right click) in Internet Explorer start to work when: The system has been running for ~2 minutes. This coincides with the delayed start of services. Explorer.exe is being run, then killed. I assume Explorer.exe starts some services? The services with delayed start are as follows: Security Center Software Protection Windows Defender, Search and Update Windows Font Cache Service Microsoft .NET Framework NGEN v4.0.30319_X64 and X86 I see no connection between these services and touch gestures, but just in case, I manually tried starting these services, but without luck. What else happens delayed after system boot, which also happens when explorer is started? Old question: Details: Internet Explorer 9 and Windows 7 Professional, running on a HP TouchSmart (touch screen PC). It is going to be a kiosk PC (running a custom GUI for displaying websites). Scenario 1: When running Internet Explorer as a normal program in Windows 7, touch functions work perfectly. I can scroll the website by dragging it with my finger, I can pinch zoom and I can touch-and-hold right click. I now change the default shell in Windows to Internet Explorer (ie. IE starts instead of explorer.exe). Internet Explorer of course starts up when logging in. However, touch functions are reduced to basic clicking (no dragging, no pinch zooming, no touch-and-hold right click). Then I manually start explorer.exe, and the touch functions work again! And here is the weird part: When I kill explorer.exe, the touch functions keeps working - even if I close IE and start a new instance. Scenario 2: The exact same, but instead of changing the default shell to Internet Explorer, I change it to my own program, which uses an embedded Internet Explorer ("WebBrowser"). Same thing happens. What I've tried: Autorun programs: When explorer.exe launches, it launches all the autorun programs. There are no relevant programs being run by explorer, but just in case, I have manually started all the autorun programs, so that it is identical (but without explorer.exe) to a normal login. It still does not work (until I launch explorer.exe). Specifically TabTip.exe, TabTip32.exe and wisptis.exe are all running. All services are also started. To sum it up Running explorer.exe once changes something in the touch capabilities of Internet Explorer. It doesn't matter if explorer.exe is running - as long as it has been run once. Does anyone know what causes this behavior? Or how I can circumvent it neatly?

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  • Joomla Development - Allow Direct File Access AND use Joomla-intern Framework

    - by Email
    Hi As usual you write in Joomla Development defined('_JEXEC') or die('Restricted access'); I make a plugin which needs access from Paypal/IPN, so i exclude that in that specific file. BUT I also need to use the Joomla-intern Variables to access the Database, so i tried this: require("../filewithaccesstoframework.php"); OR even $baseurl = $_SERVER['HTTP_HOST']; $baseurl ="http://".$baseurl."/configuration.php"; require($baseurl); By using the first code it displays "Restircted Access" since it seems to take this from the included file which i can't skip to put-in-there. The second code does not seem to recognize the Variables used in configuration.php like $host, $db, $password. the file configuration.php is chmod 444 Why this happens and is there a workarround to allow direct access to a file AND using the Joomla intern Framework (Variables, Functions)?

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  • Getting closure-compiler and Node.js to play nice

    - by bukzor
    Are there any projects that used node.js and closure-compiler (CC for short) together? The official CC recommendation is to compile all code for an application together, but when I compile some simple node.js code which contains a require("./MyLib.js"), that line is put directly into the output, but it doesn't make any sense in that context. I see a few options: Code the entire application as a single file. This solves the problem by avoiding it, but is bad for maintenance. Assume that all files will be concatenated before execution. Again this avoids the problem, but makes it harder to implement a un-compiled debug mode. I'd like to get CC to "understand" the node.js require() function, but that probably can't be done without editing the compiler itself, can it?

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  • Require help with program for edutainment game

    - by Ender
    I am working on a factorisation problem and for small numbers it is working well. I've been able to calculate the factors (getting the answers from Wolfram Alpha) for small numbers, like the one on the Wikipedia page (5959). Along with the Wikipedia page I have been following this guide. Once again, as my Math knowledge is pretty poor I cannot follow what I need to do next. EDIT: It finally works! I'll post the working code up here once I've got it fully working so that others in my predicament can learn from it.

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  • require rubygems works in irb but not in script

    - by Maulin
    I have Ubuntu 9.04 Ruby 1.8 Rubygems 1.3.5 In irb, irb(main):002:0> require 'rubygems' => true In a script ./test.rb ./test.rb:2:in `require': no such file to load -- rubygems (LoadError) from ./test.rb:2 I think it may have something to do with my PATH, but I am not sure how or what to fix.

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  • Maven Plugins - how to require a license

    - by Walter White
    I would like to make my plugin require a license to run similar to the maven clover plugin. Is there some utility out there that I can generate licenses with that will also allow me to integrate that into the plugin? I need to do the following steps. Modify the existing plugin to validate the license file Generate the license file online and store the information for retrieval later. Thanks, Walter

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  • Symfony 1.4 require a domain name in routing

    - by Sunjalo
    I need to require a domain name in my symfony routing, my route looks like the following: domain_example: url: /routing/example/:domain_name param: { module: myModule, action: index, sf_format: json } requirements: { domain_name: '/^[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}$/' } I have also tried: requirements: { domain_name: '[/^[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}$/]' } If I call my route like so: mydomain.com/routing/example/otherdomain.com - I just get the module/action does not exist exception. Any advice appreciated - thanks everyone ^_^

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  • Require-Bundle and Import-Package versus feature.xml requires

    - by Robert Munteanu
    When building an Eclipse plugin (lato sensu) which consists of multiple plugins and one feature, I have two ways of specifying dependencies: in the plugins themselves, using Require-Bundle and Import-Package in META-INF/MANIFEST.MF; in the feature.xml file from the feature. In my understanding, it should be enough to declare the dependencies at the lower level, i.e. in the plugins. Why do we still have the feature.xml requires mechanism?

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  • Do Qt Applications require KDE?

    - by Evans
    Do all Qt applications require KDE to be installed? Is it enough if the Qt runtime is installed along with GNOME? Can I make a Qt application look exactly like a GTK application under GNOME? Could anyone please point me to some article detailing the relationship between Qt, GTK, KDE, GNOME, X?

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  • facebook - Is it possible to prompt user for a require permission dialog using javascript

    - by user126015
    Hi all, I am developing a small facebook application. In my application I need offline_access and email permission. I've been succesfully prompting the user for permission using FB.Connect.showPermissionDialog("email,offline_access"); But what I really want to do is prompt the user with a require permission dialog, not request. Does anyone know how to do that in javascript? Thank you very much!

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  • What is the proper HTTP response to send for requests that require SSL

    - by dasil003
    I'm designing an RESTful API where some calls are public over HTTP, and some require an API key and encryption over HTTPS. I'm deliberating on what response code should be sent if an HTTP request is sent to one of the private resources. So far the only one that jumps out at me is 412 - Precondition Failed, but the standard indicates that the precondition is imposed by the requester not the server. Is there an appropriate response code for this condition or do I just need to give in and do 400?

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  • Require a default constructor in java?

    - by jdc0589
    Is there any way to require that a class have a default (no parameter) constructor, aside from using a reflection check like the following? (the following would work, but it's hacky and reflection is slow) boolean valid = false; for(Constructor<?> c : TParse.class.getConstructors()) { if(c.getParameterTypes().length == 0) { valid = true; break; } } if(!valid) throw new MissingDefaultConstructorException(...);

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