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• Maintain the SessionID for Entire Application in ASP.NET

  - by Vijjendra

  Hi Experts, I am implementing the Ecommerce projects, where I need to static SessionID, is there any way to maintain the SessionID in the Entire Application.Explanation of my question is here http://stackoverflow.com/questions/2467644/session-sessionid-in-asp-net but How can I implement this approach.

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• Algorithm to calculate the number of divisors of a given number

  - by sker

  What would be the most optimal algorithm (performance-wise) to calculate the number of divisors of a given number? It'll be great if you could provide pseudocode or a link to some example. EDIT: All the answers have been very helpful, thank you. I'm implementing the Sieve of Atkin and then I'm going to use something similar to what Jonathan Leffler indicated. The link posted by Justin Bozonier has further information on what I wanted.

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• How to restart transactions on deadlock/lock-timeout in Spring?

  - by Asaf Mesika

  Hi, What is the best practice on implementing a transaction restart upon deadlock or lock timeout exceptions when using Spring (specifically the Spring recommended approach: declarative transactions) ? Thanks, Asaf

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• Displaying a popup widget in QT over application border

  - by Chris Kaminski

  Let's say that I have an application frame, and I want to show a popup QCalendarWidget over on the right side of the frame. Normally, QT will clip the edges of the QCalendarWidget, cutting it in half and not displaying the rest, as it would be over the right side border. Is there a way to work around this limitation without resorting to implementing a QDialog? I want the widget to be visible outside the bounds of it's container.

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• UISearchDisplayController - how to display search result with only by scope button selected but empt

  - by billibala

  The UISearchDisplayController is very handy and implementing search is pretty straightforward. However, I bump into problem when, in my app, I want to display search result with empty search string but selected scope button. It seems like it's a must to enter some search string in order to get the search result table being initialized and displayed. Is there any ways to display search result immediately after user has picked a scope but not entered search word yet? Thanks Bill

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• Help with jquery plugin ScrollTo/SerialScroll with keyboard controls

  - by adamwstl

  I'm having a really hard time implementing the jquery plugin serialScroll/scrollTo with Keyboard arrows. Here's the site: http://www.subrb.com/jstest My JS code is in keyboard.js. I can't get anything to happen at all. Thanks in advance

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• Implement Custom Logger with slf4j

  - by Martin Dürrmeier

  I want to implement a Custom logger which logs all log entries to a Database. Currently my app logs this way (slf4j and log4j binding): private static final Logger logger = LoggerFactory.getLogger( MyClass.class ); I'm not sure how to proceed. My Idea is to implement a Custom Logging binding through implementing the org.slf4j.Logger Interface What would be the next steps? My target is to not change the current code Links I considered: http://stackoverflow.com/questions/1770442/java-custom-logger-logging-standards-or-and-best-practices http://www.slf4j.org/manual.html

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• Information on Rojiani's Numerical methods C textbook

  - by yCalleecharan

  Hi, having taken a look at a few textbooks that discuss numerical methods and C programming, I was gladly surprised when browsing through "programming in C with numerical methods for engineers" by Rojiani. I understand of course it's important that one need to have a solid background in numerical methods prior to try implementing them on a computer. I would like to know if someone here has been using this book and if possible point out strengths and weaknesses of this textbook. Thanks a lot...

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• How thread-safe is enum in java?

  - by portoalet

  Hi, How thread-safe is enum in java? I am implementing a Singleton using enum (as per Bloch's Effective Java), should I worry at all about thread safety for my singleton enum? Is there a way to prove or disprove that it is thread safe? // Enum singleton - the preferred approach public enum Elvis { INSTANCE; public void leaveTheBuilding() { ... } } Thanks

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• Unity Framework: How to Instantiate two classes from the same Interface?

  - by jerry

  I have one interface with 2 classes implementing it, I need to load each class but unity has: m_unityContainer.Resolve() // Where is the interface IGeneric my config looks like: <type type="IGeneric" mapTo="ClassA"> </type> <type type="IGeneric" mapTo="ClassB"> </type> any ideas? thanks

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• String literals vs constants for Session[...] dictionary keys

  - by FreshCode

  Session[Constant] vs Session["String Literal"] Performance I'm retrieving user-specific data like ViewData["CartItems"] = Session["CartItems"]; with a string literal for keys on every request. Should I be using constants for this? If yes, how should I go about implementing frequently used string literals and will it significantly affect performance on a high-traffic site? Related question does not address ASP.NET MVC or Session.

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• Continous integration with Reporting Services

  - by SDReyes

  I'm implementing a continuous integration environment with SVN and reporting services. The reports are stored in the SVN repository. when a change occurs, they are automatically downloaded from the repository, and any file changed should be uploaded to the reporting services server. How could you automate the upload/update process for .rdl files?

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• How to implement continuations?

  - by Kyle Cronin

  I'm working on a Scheme interpreter written in C. Currently it uses the C runtime stack as its own stack, which is presenting a minor problem with implementing continuations. My current solution is manual copying of the C stack to the heap then copying it back when needed. Aside from not being standard C, this solution is hardly ideal. What is the simplest way to implement continuations for Scheme in C?

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• ColdFusion MVC frameworks & RESTful Service mismatch?

  - by Henry

  Most CF MVC Frameworks use the front controller pattern. Usually Search Engine Safe (SES) plugin together with URL Rewrite are used to construct friendly URLs. However, when it comes to implementing RESTful services, using a MVC framework seems like a layer of complexity added on top of another layer of complexity. How should one tame this beast? Any nice and clean approach of supporting RESTful services with ColdFusion? Any MVC framework out there that can expose RESTful services easily? Thanks

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• array of pointers

  - by tushar

  char *a[]={"diamonds","clubs","spades","hearts"}; char **p[]={a+3,a+2,a+1,a}; char ***ptr=p; cout<<*ptr[2][2]; why does it display h and please explain how is the 2d array of ptr implementing and its elements

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• Big numbers in C

  - by teehoo

  I need help working with very big numbers. According to Windows calc, the exponent 174^55 = 1.6990597648061509725749329578093e+123. How would I store this using C (c99 standard). int main(){ long long int x = 174^55; //result is 153 printf("%lld\n", x); } For those curious, it is for a school project where we are implementing the RSA cryptographic algorithm, which deals with exponentiating large numbers with large powers for encryption/decryption.

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• SharePoint Governance

  - by jobless-spt

  I have been search about SharePoint Governance for past few days, the more I search, more confused I am getting about this Topic. Could anyone just explain in brief? What you know about it or are you using/implementing it?

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• Anything Slider plugin to utilize Lazy Load plugin

  - by eknown

  I'm in the midst of implementing the very excellent Anything Slider plugin by Css Tricks using a number of high res images, which make the page load pretty slow. Does anyone know how to integrate the Lazy Load plugin to work with Anything Slider?

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• linux firewall in c

  - by asha

  i m implementing a firewall for linux,i want to block packets using loadable kernal module(lkm). please help me how can i do it ? i just know that it can be done by lkm by using some function in it,like init(),clean_up. i want to know how to use DROP,ACCEPT in blocking function within lkm. i want to do it without iptable command.

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• How to do REST securely and with sensitive data?

  - by Earlz

  Hello, we are implementing a new web service. The web service will be a store of sensitive data and there are multiple users types with different permissions. So some user types can't access(and some can't change, and so on) certain types of data. How would this work in REST? I'm very new to REST, so sorry if this sounds noobish.

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• Problem with navigateurl in silverlight to a UNC path

  - by Aggelos Mpimpoudis

  Hi, I have a problem with a command button (implementing the ICommand). I want, when pressing the specified button to redirect the user at new tab targeting a UNC path. HtmlPage.Window.Navigate(new Uri(@"\\host\filename"), "_blank"); The problem is that browser redirects the user to the following target, besides of my intention: http://www.hostnameoftheslapplication.com/\\host\filename How can I achieve the correct navigation; Thank you in advance.

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• Cursor backed ExpandableListView data update

  - by Aleksander O

  Hi I'm implementing CRUD functionality using ExpandableListView. Wen I delete a parent data on screen refreshes automatically but it doesn't when I delete a child. I've solved this with: int categoryId = ExpandableListView.getPackedPositionGroup(info.packedPosition); getExpandableListView().collapseGroup(categoryId); getExpandableListView().expandGroup(categoryId); Is there any better way to this? Thanks Aleksander

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• Hidden WCF endpoints

  - by Matt

  For the sake of arguement, lets say that I've got a basicHttp WCF service. Besides implementing authentication (login/logout methods), what is stopping someone from just cracking open Visual Studio, adding a web reference to my website's service, and then playing playing around with my service? I'm not familiar with a method of stopping someone from doing this. The idea of someone downloading all of my Data/Operation contracts and then start playing around is keeping me up at night, and I like my sleep!

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• 3d convolution in c++

  - by alboot

  Hello, I'm looking for some source code implementing 3d convolution. Ideally, I need C++ code or CUDA code. I'd appreciate if anybody can point me to a nice and fast implementation :-) Cheers

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• Limiting one of each Runnable type in ExecutorService queue.

  - by Andrew

  I have an Executors.newFixedThreadPool(1) that I send several different tasks to (all implementing Runnable), and they get queued up and run sequentially correct? What is the best way to only allow one of each task to be either running or queued up at one time? I want to ignore all tasks sent to the ExecutorService that are already in the queue.

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