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• How do I best implement my Windows desktop and service C# applications automatic updates?

  - by Ivan

  My project contains WinForms, WPF, and Windows Service programs running on users' office desktop PCs. I want these applications to periodically check for new versions available at specific URL, automatically download new versions and replace themselves with new versions without attracting any user attention (keeping in mind that users may run Windows from XP to 7 and work using non-privileged account (which can be part of active directory)). Alternatively the whole update package has to be able to be distributed as an unattended-installed MSI package. Any recommendations on implementing this?

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• What are the advantages and disadvantages of using boost::iterator_facade?

  - by Billy ONeal

  Yep -- the title pretty much sums it up. I've got quite a few types that implement iterator concepts, and I'm wondering if it's worthwhile to pull in this boost header instead of implementing things manually.

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• How do I turn off the gutter icons in the IntelliJ IDEA editor?

  - by hal10001

  I want the implementing and override gutter icons turned off in the gutter (next to the line numbers). Their rendering is causing my editor window to jump every time they redraw (with each keystroke I type), and it is driving me nuts. I'm using version 8.1.4.

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• Limiting user login attempts in PHP

  - by artarad

  Hi there, I'm seeing web apps implementing limitations for user login attempts. Is it a security necessity and, if so, why? For example: you had three failed login attempts, let's try again in 10 minutes!! thanks :)

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• Counting through all binary numbers with equal 1's and 0's

  - by Stuart

  I'm implementing a binary representation of an equal-side bi-partitioning algorithm and I'm wondering what the best way to iterate through all combinations of N bits that have equal (N/2) 1's and 0's. I'm trying to find the quickest way, not the easiest to code. Thanks.

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• How to call a method through the object created by interface in Objective-C

  - by Cathy

  Hi, I need to call a method through the object created by the interface ie id<MyProtocol>obj; Now i have created this obj in my main class where i am not implementing the methods of this protocol but i need to access the method which is already implemented in someother class.I am now calling the method as follows [obj load]; in my main class in the applicationDidFinishLaunching, but i not able to access the method? Pls do suggest me the correct way of calling the methods through protocols...

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• How to check the type of inputAvailable in iPad?

  - by iphoneDev

  Hi, I am implementing the sound recording functionality in my iPad app. I want to prompt the user to attach his headphone with microphone for better performance.For this I need to check that whether the user has connected the headphone with microphone or not. In the AVAudioSession there is a method inputIsAvailable.But this method returns 'Yes' for the inbuilt mic of iPad also.So,please suggest how to detect that whether the headphone with mic is connected to the device or not??

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• Stack STL with 2 params

  - by petercartagena

  Im implementing a B-tree in C++,I have a stack which saves pairs . my problem is, how i put in this stack because push only accept 1 argument. thanks

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• Ordering DOM elements

  - by sonofdelphi

  Given two DOM elements, say a and b, how can we determine which comes first in the document? I'm implementing drag and drop for a set of elements. And the elements can be selected in any order, but when they are dragged, these elements need to be moved in the "correct" order.

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• Singleton & Multi-threading

  - by ronan

  Friends I have the following class that class Singleton { private: static Singleton *p_inst; Singleton(); public: static Singleton * instance() { if (!p_inst) { p_inst = new Singleton(); } return p_inst; } }; Please do elaborate on precautions taken while implementing Singleton in multi-threaded environment .. Many thanks

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• Handle jQuery slider when min and max are same in values

  - by Ashwani K

  Hello All: I am using link text for implementing slider in my application, but it throws exception when the min and max values are equal. How can I handle such situation, any help on it? Thanks Ashwani

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• Unit Testing and SharePoint Development

  - by MagicAndi

  Hi, I am interested in writing unit tests for the SharePoint development work I am doing. Can anyone suggest practical approachs to implementing unit tests in MOSS? Note that any third party tools have to be free (but not necessarily open-source); the company I work for will not pay for additional tooling. In particular, any alternatives to the Typemock Isolator for SharePoint would be appreciated. Thanks, MagicAndi.

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• need a good frontend for MySQL for beginner user

  - by aadersh patel

  implementing a database and need an easy to use frontend. Have tried: HeidiSQL - editing fields was very tedious MySQL-Front - wasnt adding tables through the SQL Editior, and only updated when the prog was restarted. Can anyone recommend a Frontend which they think would be appropriate? Many thanks

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• What are the best authentication and authorization examples for your favorite web framework?

  - by Nathan Feger

  I have been looking through java web frameworks lately (though this question need not be limited to java), and I noticed that most examples on web framework websites leave out auth & auth examples in their stock documentation. one ruby example: acts_as_authenticated (link?) grails has: http://www.grails.org/Authentication+Plugin Anyway, please throw up some links to your framework of choice, and a link to a nice walkthrough to implementing an auth&auth solution.

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• Xcode C++ debugging

  - by mousebird

  I'm looking for a way to have the Xcode IDE pick up on the contents of my weird Boost template classes. Basically, classes complex enough that Xcode can't display their contents correctly. Is there something like the Objective C -description method or toString() in Java that Xcode will look for? At the moment I'm just implementing print() methods and invoking them in gdb, but that's likely to confuse other developers.

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• How to get right values from Views touch event

  - by Pinker

  I have a problem with implementing touch events on GLSurfaceView. Views size is 1280x696, because of android (tablet) status bar at bottom with soft keys, time etc.., (screen resolution is 1280x800), but OnTouchListener is receiving touch events with coords [646.0,739.0], and thus my gluunproject method fails to return correct values is there any way to return events that respect these boundaries? or how should I recalculate the position?

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• Android as SIP to GSM gateway

  - by user346034

  Soon I could use a SIP to GSM gateway, because I'll need to make phone calls from Germany to a mobile phone in Czech Republik. Hence, I thought about implementing one. Now, the questions are: Does such a solution already exist (for a reasonable price)? Is it possible to redirect a (voice) stream to a GSM connection with the available Android APIs (SDK or NDK)? Ideas, suggestions, comments are highly welcome.

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• Balancing a Binary Tree (AVL)

  - by Gustavo Carreno

  Ok, this is another one in the theory realm for the CS guys around. In the 90's I did fairly well in implementing BST's. The only thing I could bever get my head around was the intricacy of the algorithm to balance a Binary Tree (AVL). Can you guys help me on this?

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• Best startup team mix?

  - by pearcewg

  When putting together a startup for Software Engineering web based applications/systems, what would you consider to be a good mix of talent, when trying to find partners? This mix would involve defining the product and market, defining, implementing and validating requirements, and making the product polished and production ready. And, of course, needing the fewest startup people as possible.

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• Why does nothing in WPF have a click event?

  - by Shane

  This seems very strange to me. I know through some adventurous inheritance you can convert most UIElements to a button, but it is a cumbersome way of implementing the most basic of of computer events

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• Implement delegates for Core Data's fetched results controller or not

  - by Spanky

  What advantage is there to implementing the four delegate methods: (void)controllerWillChangeContent:(NSFetchedResultsController *)controller (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id )sectionInfo atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath (void)controllerDidChangeContent:(NSFetchedResultsController *)controller rather than implement: (void)controllerDidChangeContent:(NSFetchedResultsController *)controller Any help appreciated // :)

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• cleaning up expired sessions with a custom SessionStateStoreProvider

  - by CountCet

  I'm implementing my own SessionStateStoreProvider with a schemaless database. It's a little hard to tell from the documentation but it seems as though I will have to have a separate process for cleaning up expired sessions since the database will not have a way to notify the session state store that a session has expired. Am I wrong about this? I haven't seen an alternative example for overriding the SetItemExpireCallback method.

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• Scalable chat site in python

  - by user346572

  Hey guys, I have an idea that I'd like to start implementing that at the crux of it, will basically be a chat website, and will need to support multiple rooms. Quite frankly, I'm not too sure where to begin with regards to setting up a very sturdy/scalable chat system in python (or another language if you guys believe it to be a better alternative), so any suggestions that can get me pointed in the right direction will be greatly appreciated.

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• class vs structure c#

  - by Enriquev

  I'm doing course 3354 (Implementing System Types and Interfaces in the .NET Framework 2.0) and it is said that for simple classes, with members variables and functions, it is better to use a struct than a class because of overhead. I have never heard of such a thing, what is the validity of this claim?

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• NamespaceContext and using namespaces with XPath

  - by Jherico

  Resolving an xpath that includes namepsaces in Java appears to require the use of a NamespaceContext object, mapping prefixes to namespace urls and vice versa. But I can find no mechanism for getting a NamespaceContext other than implementing it myself. This seems counter-intuitive. Is there any easy way to acquire a NamespaceContext from a document, or to create one, or failing that, to forgo prefixes altogether and specify the xpath with fully qualified names?

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