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  • ASP.Net security using Operations Based Security

    - by Josh
    All the security stuff I have worked with in the past in ASP.Net for the most part has been role based. This is easy enough to implement and ASP.Net is geared for this type of security model. However, I am looking for something a little more fine grained than simple role based security. Essentially I want to be able to write code like this: if(SecurityService.CanPerformOperation("SomeUpdateOperation")){ // perform some update logic here } I would also need row level security access like this: if(SecurityService.CanPerformOperation("SomeViewOperation", SomeEntityIdentifier)){ // Allow user to see specific data } Again, fine grained access control. Is there anything like this already built? Some framework that I can drop into ASP.Net and start using, or am I going to have to build this myself?

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  • What's the convention for extending Linq datacontext with set based helper operations specific to on

    - by Luke Rohde
    Hi All I might be vaguing out here but I'm looking for a nice place to put set based helper operations in linq so I can do things like; db.Selections.ClearTemporary() which does something like db.DeleteAllOnSubmit(db.Selections.Where(s => s.Temporary)) Since I can figure out how to extend Table<Selection> the best I can do is create a static method in partial class of Selection (similar to Ruby) but I have to pass in the datacontext like; Selection.ClearTemporary(MyDataContext) This kind of sucks because I have two conventions for doing set based operations and I have to pass the data context to the static class. I've seen other people recommending piling helper methods into a partial of the datacontext like; myDataContext.ClearTemporarySelections(); But I feel this makes the dc a dumping ground for in-cohesive operations. Surely I'm missing something. I hope so. What's the convention? TIA

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  • jabber based server and client application in cocoa

    - by Miraaj
    Hi all, I have implemented an application which supports text chat. Now I want to implement voice chat and later video chat in it, but I have less time provided by client :( So I am planning to go for some open source code in cocoa, which I can use and easily in-corporate in my application. After analysis over net I found that Jabber related client/ chat server application should be best according to my requirements. I have found that there are several jabber based client-server application but mostly written in java, C or C++. Can anyone suggest me some links or code for cocoa based, jabber server and client application?? Also I want to ask that lets say I got server application in C and client application in cocoa, then will I be able to transmit text, multimedia messages between client nodes?? Thanks, Miraaj

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  • WPF Binding Question - Change Label Text based on Modifier Key Control

    - by Chuck Savage
    I have a context menu, that I'd like to change the Header based on whether the Control Key is pressed or not. Right now I have, <MenuItem Header="Send To"> <MenuItem ... /> <MenuItem ... /> </MenuItem> I'd like based on the Control Key being down to be, <MenuItem Header="Move To"> <MenuItem ... /> <MenuItem ... /> </MenuItem> All I really need to do is change the Header text, because inside the code I know how to check for the Modifier key being Control.

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  • Form based authentication in java

    - by Stardust
    I want to know how can I enable form based authentication in java through database. After connecting to database, how can I verify whether the username and password, which I'm entering through html page is correct or not? Do I have to change action servlets from j_security_check to another my own defined servlets, which will connect to database and do all its verification on its own? Or I've to send authentication information to j_security_check, which will automatically connect to database, verify username and password. I'm successful in connecting to database through context.xml file, which is in META-INF directory of my own web application, but I'm not able to understand what's more I've to do enable form based authentication. I'm using Tomcat 6 as web server.

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  • Using Connection Based State with Apache2

    I am writing an HTTPS based application using Apache2 as the web server, and python as the language (not sure which framework or Apache2 mod yet). After clients (which are not web browsers) first establish an HTTPS connection to the server, they are expected to send an authentication message. If authentication is successful, they are able to send more commands, until the connection is closed (HTTP 1.1 will be used, with a long keep alive time). My question is, is it possible to have state associated with the connection? I don't want the client to have to send cookies or session ids -- the HTTPS application should be able to figure out the session based on the connection that each request belongs to...the question is how?

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  • Space-based architecture?

    - by rcampbell
    One chapter in Pragmatic Programmer recommends looking at a blackboard/space-based architecture + a rules engine as a more flexible alternative to a traditional workflow system. The project I'm working on currently uses a workflow engine, but I'd like to evaluate alternatives. I really feel like a SBA would be a better solution to our business problems, but I'm worried about a total lack of community support/user base/venders/options. JavaSpaces is dead, and the JINI spin-off Apache River seems to be on life support. SemiSpace looks perfect, but it's a one-man show. The only viable solution seems to be GigaSpaces. I'd like to hear your thoughts on space based architecture and any experiences you've had with real world implementations.

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  • Creating a subscription based website in ASP.NET

    - by DotnetDude
    I'd like to update my website to make it subscription based. It's a ASP.NET Web forms project. I am looking for the following functionality: Ability to have users sign up for different plans (Gold, Premium etc) Ability to have users upgrade / downgrade to and from plans Ability to hook this up to a Payment processor Ability to have a credit based system (User buys x credits for $y) as an alternative to plans in (1) Most of this functionality (if not all) is supported by a large number of websites which makes me think I can leverage on an existing framework instead of re-inventing the wheel. Any thoughts?

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  • Universal iPhone/iPad Windows-based app with Core Data crashes on iPhone SDK 4 beta 3

    - by Tarfa
    Hi all. I installed iPhone OS 4.0 Beta 3. When I create a new Windows-based universal app with Core Data (File New Project Windows-based Application --- select Universal in drop down and check the "Use Core Data for storage" check box) the app launches fine into the iPhone simulator but crashes in the iPad simulator. The console message returned is: dyld: Symbol not found: _OBJC_CLASS_$_NSURL Referenced from: /Users/tarfa/Library/Application Support/iPhone Simulator/3.2/Applications/5BB644DC-9370-4894-8884-BAEBA64D9ED0/Universal.app/Universal Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation I'm stumped. Anyone else experiencing this problem?

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  • Setting refresh-policies in Ehcache

    - by Alex Ciminian
    Is there any to specify a data refresh policy in Ehcache? I am currently migrating an application from OSCache to Ehcache and I can't seem to find any way to specify when an element needs refreshing, besides setting timeToIdle and timeToLive. What I want is: on accessing an element from the cache, check with it's associated resource to see if it was updated later than the lastUpdateTime of the cache element. If yes, refresh the cache; else serve the content from the cache. In OSCache this was done by catching NeedsRefreshExceptions and setting custom refresh policies for the elements. I've been digging around in the docs for a while now, but I wasn't able to find any methods or examples of how I could accomplish this in Ehcache. Any help would be appreciated :). Alex

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  • Best commercial libraries for developing NCPDP-based systems (prescription drug related)

    - by Kaveh Shahbazian
    What are (based on experiences) best commercial libraries for developing NCPDP-based systems? Edit 2: Thanks to all for help! NCPDP (National Council for Prescription Drug Programs) is an standard for e-prescribing. It defines two formats for message transmission: binary and XML. Implementing XML is somehow easier because it is a standard format which in turn gives us more tooling options. The binary format has a very big specification and time-consuming to implement. I did not find an open source solution to work with. So I am looking for commercial alternatives. Edit 1: Please guide me; what's wrong with this question?

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  • Java Polymorphism - Selecting correct method based on subtype

    - by Marty Pitt
    Hi Given the following Class and Service layer signatures: public class PersonActionRequest { PersonVO person // ... other fields } public class MyServiceLayerClass { public void requestAction(PersonActionRequest request) { PersonVO abstractPerson = request.getPerson(); // call appropriate executeAction method based on subclass of PersonVO } private void executeAction(PersonVO person) {} private void executeAction(EmployeeVO employee) {} private void executeAction(ManagerVO manager) {} private void executeAction(UnicornWranglerVO unicornWrangler) {} } As discussed here, java will select the best method based on type info at compile time. (Ie., it will always select executeAction(PersonVO person) ). What's the most appropriate way to select the correct method? The internet tells me that using instanceof gets me slapped. However, I don't see the appropraite way to select the method without explictly casting abstractPerson to one of the other concrete types. Thanks Marty

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  • Computer Quiz Management Software

    - by Asad Jibran Ahmed
    My university is holding a quiz contest in 2 weeks, and I need some sort of software (desktop or web based) that can be used to manage the quiz. I need functionality like an admin panel for adding teams, creating matches between 2 teams, adding questions and answers. I then need the software to automatically display the questions, accept answers, and display and store results. Is there any software (open source/freeware) that I can use for this task. If a pre-built software is not available, which language+library+platform would you suggest I make the software in. It can be either web based or a desktop app. But I need it by 2 weeks. Any suggestions?

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  • Adding another view to a view based application

    - by Joy
    Hi, I'm developing an iphone apllication that stores some data into a database. That is working fine. But now i have a problem when i want to show the data. Because to show the data i need to design another view. But i'm facing problem when i try to add another view.Is it possible to have multiple view in a view-based application,cause my application is a view-based application? If yes then how to do that? Please help me Thanks in advance Joy

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  • Nhibernate: one-to-many, based on multiple keys?

    - by e36M3
    Lets assume I have two tables Table tA ID ID2 SomeColumns Table tB ID ID2 SomeOtherColumns I am looking to create a Object let's call it ObjectA (based on tA), that will have a one-to-many relationship to ObjectB (based on tB). In my example however, I need to use the combination of ID and ID2 as the foreign key. If I was writing SQL it would look like this: select tB.* from tA, tB where tA.ID = tB.ID and tA.ID2 = tB.ID2; I know that for each ID/ID2 combination in tA I should have many rows in tB, therefor I know it's a one-to-many combination. Clearly the below set is not sufficient for such mapping as it only takes one key into account. <set name="A2" table="A2" generic="true" inverse="true" > <key column="ID" /> <one-to-many class="A2" /> </set> Thanks!

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  • SVG with external images doesn't load them when embedded with <img> tag in browsers

    - by mat3001
    I made the following observation: If I create an svg image that references an external raster image via "xlink:href" and try to load the svg in browsers, the external images are only shown if I use the tag, but not when using the tag. Rendering with the tag is quite slow and not as clean as using the img tag for images so I was wondering if there's a way to make it work through the tag. At first I thought it doesn't work because of a same origin policy, but even if the referenced image is in the same directory and I reference it through its name only, it wont load. Any ideas?

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  • JavaScript check field value based on variable value

    - by Nikita Sumeiko
    I have an anchor like this: <a href="#" rel="1 4 7 18 ">Anchor</a> Where 'rel' attribute values are ids of some items. Than I have a form with an input, where user should type an id and click submit button. On submit button click I need to check the value of input like this: var value = $('a').attr('rel'); if ( value == '1' || value == '4' || value == '7' || value == '18') { // however I need the line above are created dynamically based on 'value' var alert('The id exists'); return false; } else { return true; } So, the question is how to create a line below dynamically based on anchor 'rel' attribute values?! This is the line: if ( value == '1' || value == '4' || value == '7' || value == '18') {

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  • Sorting Table Cells based on data from NSArray

    - by Graeme
    Hi, I have an NSArray which contains information from an RSS feed on dogs, such as [dog types], [dog age] and [dog size]. At the moment my UITableView simply displays each cell on each dog and within the cell lists [dog types], [dog age] and [dog size]. I want to be able to allow users of my app to "sort" this data based on the dog name, dog size or dog age when they press a UIButton in the top nav-bar. I'm struggling to work out how to filter the UITableView based on these factors, so any help is appreciated. Thanks.

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  • Application of a rule based expert system

    - by simon
    Hi, The company I am working now has developed a Rule-based Expert System. It is a web-based system and supports Flow Chart, Decision Table, Fuzzy Rules and Forward Chaining Rules. It is something like iLog but less complex and powerful. However, one serious problem we are facing now is that we have NO CUSTOMER so far. We have spent 4 yrs to develop that product. Because my company is a start-up and has no reference, no one is confident in our product. Without feedback, we cannot improve our product. I am wondering if we should change our product into SAAS and make it free for people to try, or it has NO MARKET at all. (I will lose my job then..) Please give me some suggestions. Many Thanks!

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  • Access container page of a component in .net based CT

    - by Huston Lopes
    We are developing a .net based CT based on Broker query Mechanism (filter): ComponentPresentationAssembler cpAssembler = new ComponentPresentationAssembler(Page ID,Page object); In order to pass the page ID, I need to get the access of page on which the component is present. How can I access the page from package? Since this a CT, a component object would be available in page and not a page object. Tried the following piece of code, but without success: string pageURI = _package.GetValue("Page.ID"); Page objPage = (Page)_engine.GetSession().GetObject(pageURI); This is not working as there is no page object. What are the alternatives so that we can access the parent page of component from CT?

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