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• Determine signals connected to a given slot in Qt

  - by Cody Brocious

  I've injected myself into a Qt application, and I'm attempting to figure out what signals a given slot is connected to, but can't find any information on doing this. Is there a mechanism for doing this out of the box? If so, is this exposed to QtScript? (If not, I can wrap it easily enough.) If there is no such mechanism, what would be the best way to add it? I cannot manipulate the existing application outside of simple hooking, but I could hook QObject::connect and store the connections myself, just not sure if that's the best way to go about it.

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• Compelling Reasons For Migrating to Oracle Database 11g

  - by margaret hamburger

  IDC's white paper Maximizing Your Investment in Oracle Application Software: The Case for Migrating to Oracle Database 11g  describes compelling business, operational, and technical reasons for Oracle application customers to upgrade or Oracle Database 11g. In researching this paper, IDC found that the upgrade process is smooth, the latest version offers key benefits over older versions, and the new features and procedures are easy to learn and well worth implementing. The paper highlights users of Oracle applications, such as Oracle's PeopleSoft Enterprise applications, Siebel Customer Relationship Management (CRM) applications, and Oracle E-Business Suite. It includes a review of Oracle Database 11g improvements and new features along with best practices from Oracle users who upgraded to Oracle Database 11g.

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• Can the overuse of custom taglibs disrupt the outsourcing of html designers?

  - by Renato Gama

  Yesterday me and a friend were talking about the overuse of custom taglibs! We create taglibs for everything! We create taglibs in order to wrap jQuery UI elements (tabs, button, etc), and other plugins elements as well. We often wrap them together in a single component. We use taglibs in a point that we almost have no pure html within the body tag. Our question is: is this a healthy habit??? Imagine two situations: 1) We hire an html designer and have the cost of a month for him to learn all this stuff. 2) We want to outsource the html development but no company would get our taglib library to learn, OR it become more expensive. We love taglibs as its been a lovely shortcut for javascipt development as we write it only once. What would be the best practices in this sense, and what would you suggest? We are looking for a future-proof solution (or an argument that agrees with ours).

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• synchronization web service methodologies or papers

  - by Grady Player

  I am building a web service (PHP+JSON) to sync with my iphone app. The main goals are: Backup Provide a web view for printing / sorting, manipulating. allow a group sync up and down. I am aware of the logic problems with all of these items, Ie. if one person deletes something, do you persist this change to other users, collisions, etc. I am looking for just any book or scholarly work, or even words of wisdom to address common issues. when to detect changes of data with hashes, vs modified dates, or combination. how do address consolidation of sequential ID's originating on different client nodes (can be sidestepped in my context, but it would be interesting.) dealing with collisions (is there a universally safe way to do so?). general best practices. how to structure the actual data transaction (ask for whole list then detect changes...)

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• Going back to ASP.Net Webforms from ASP.Net MVC. Recommend patterns/architectures?

  - by jlnorsworthy

  To many of you this will sound like a ridiculous question, but I am asking because I have little to no experience with ASP.Net Webforms - I went straight to ASP.Net MVC. I am now working on a project where we are limited to .Net 2.0 and Visual Studio 2005. I liked the clean separation of concerns when working with ASP.Net MVC, and am looking for something to make webforms less unbearable. Are there any recommended patterns or practices for people who prefer asp.net MVC, but are stuck on .net 2.0 and visual studio 2005?

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• Don't Miss - Oracle ADF Virtual Developer Day 2013

  - by Shay Shmeltzer

  With budget cuts all over the world less and less developers get to travel to conferences. So how do you keep up with the latest technical aspects of your development environment? Oracle to the rescue with our Virtual Developer Day.  We are happy to announce the 2013 Oracle ADF Virtual Developer Days Online sessions that include a live Q&A with product managers that will cover everything you need to know about Oracle ADF - all from the comfort of your office chair. With sessions that cover best practices, tuning, mobile, Eclipse support and even some getting started information there is something in this day for every level of experience with Oracle ADF - you are sure to learn some new things too! Sessions are delivered by Oracle product managers with a special track delivered by expert customers covering some advanced topics. Check out the schedule and register for the event in your time zone.

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• How to structure controller to sort multiple criteria asp.net mvc

  - by Solomon

  Hi, What's the best way to set up a controller to sort by many (possibly null) criteria? Say for example, I was building a site that sold cars. My CarController has a function Index() which returns an IList of cars to the view, and details on each car are rendered with a partial view. What's the best way to structure this? Especially if there are a lot of criteria: Car Type (aka SUV), Car Brand, Car Model, Car Year, Car Price, Car Color, bool IsNew, or if I want to sort by closest to me etc... I'm using NHibernate as my ORM. Should I have just a ton of possible NHibernate queries and figure out which one to choose based on if/then's in the controller? Or is there a simpler way. Thanks so much for the help.

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• Lucene real-time indexing?

  - by Kip

  What is the best way to achieve Lucene real-time indexing?

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• MYSQL KEY-VALUE PAIR Viability

  - by Amit

  Hi, I am new to mysql and I am looking for some answers to the follwoing questions: a) Can mysql community server can be leveraged for a key-value pair type database.?? b) Which mysql engine is best suited for a key-value pair type database ?? c) Is Mysql cluster a must for horizontal scaling of key-value based datastore or can it be acheived using MySQL replication?? d) Are there any docs or whitepapers for best practices when implementiing a kv datastore on mysql?? e) Are there any known big implementations other that friendfeed doing kv pair using MYSQL?? Would really appreciate some advise from all you Mysql gurus out there !! Thanks In Advance, Amit

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• cross resolution level design advice [on hold]

  - by Mike

  I was looking for some beginner advice regarding level design across multiple resolutions. I believe the answer is likely "it depends", but any input from anyone with real experience is very appreciated. Basically, I am building a 2D Super Metroid type game. If rooms/levels are to be a tiled grid, what are some general best practices for designing rooms when taking into account different resolutions? Since more or less tiles could fit vertically on a single screen depending on the resolution, is it better to design towards possibly having more of the room visible depending on the screen (with a bare minimum needed for gameplay), or should I fix the design at a certain tile height and scale the graphics?

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• Multi-Threading - Cleanup strategy at program end

  - by weismat

  What is the best way to finish a multi-threaded application in a clean way? I am starting several socket connections from the main thread in seperate sockets and wait until the end of my business day in the main thread and use currently System.Environment.Exit(0) to terminate it. This leads to an unhandled execption in one of the childs. Should I stop the threads from the list? I have been reluctant to implement any real stopping in the childs yet, thus I am wondering about the best practice. The sockets are all wrapped nicely with proper destructors for logging out and closing, but it still leads to errors.

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• How to deploy and register a VSPackage supporting multiple versions of Visual Studio (2005, 2008, 20

  - by Steve Cadwallader

  I have an open source VSPackage that I would like to release with support for Visual Studio 2005, Visual Studio 2008, and Visual Studio 2010. I'm trying to figure out how to create the installer and how to perform the package registration with each edition of Visual Studio. The deployment research I've done indicates my best bet for an installer is a VSIX inside an MSI. The registration research I've done is a lot less clear. VSPackage registration seems to differ for every edition (VS2005 uses regpkg, VS2008 uses pkgdef, VS2010 uses VSIX). Can anyone share their experiences and/or point me towards any information about the best approach for targeting multiple versions of Visual Studio? I'm looking for the easiest implementation and preferably keeping it in a single installer if reasonably feasible. Any help would be greatly appreciated!

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• Better way to do AI Behavior in AS3/Flixel

  - by joon

  I'm making a game in Flixel and I need to program an NPC. It's rapidly turning more complex than I expected. I was wondering if there are any best practices, tutorials or examples that you can refer me to, to see how this is done. I can probably hack it together, which is what I always do, but it would be nice if I can make it maintanable and can add stuff later on. Here's screenshot to give you an idea: The butler will be an NPC that will follow you, or guide you, and talk to you the whole time. EDIT: More specifically: What I have now is a long list of IF statements in the update loop of the butler (about 8 different cases), and all I have covered is his walking behavior. I want him to comment on things and sometimes switch his main behavior to be more aggresive or distant,... Is there any way to keep track of this, or is complex code with many many nested if statements the way to go?

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• Matrix Comparison algorithm

  - by SysAdmin

  If you have 2 Matrices of dimensions N*M. what is the best way to get the difference Rect? Example: 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 4 5 4 3 2 3 <---> 2 3 2 3 2 3 2 3 2 3 4 5 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 | | \ / Rect([2,2] , [3,4]) 4 5 4 4 5 2-> A (2 x 3 Matrix) The best I could think of is to scan from Top-Left hit the point where there is difference. Then scan from Bottom Right and hit the point where there is a difference. But In worst case, this is O(N*M). is there a better efficient algorithm?

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• A way to avoid deriving from the provider classes in mvc authentication

  - by Shymep

  Looking for the best practice for authentication in MVC I unfortunately didn't find the clear answer to my question. Thinking of the problem I tried to imagine some priciples that could be useful in my design. Well, I would like to use a base AccountController class I want to place all the tables such as "Users", Roles, Rights etc into my own database. But I wouldn't like to implement the standard aspnetdb design (which can be easy got by using aspnet_regsql) So the main question is can I do this without deriving abstract classes like MembershipProvider, RoleProvider etc? What I would prefer not to do is implement all the abstract methods from these classes. The second question is still about the best practice for authentication e.g. for the small projects, for the large ones?

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• Quality Assurance activities

  - by MasloIed

  Having asked but deleted the question as it was a bit misunderstood. If Quality Control is the actual testing, what are the commonest true quality assurance activities? I have read that verification (reviews, inspections..) but it does not make much sense to me as it looks more like quality control as mentioned here: DEPARTMENT OF HEALTH AND HUMAN SERVICES ENTERPRISE PERFORMANCE LIFE CYCLE FRAMEWORK Practices guide Verification - “Are we building the product right?” Verification is a quality control technique that is used to evaluate the system or its components to determine whether or not the project’s products satisfy defined requirements. During verification, the project’s processes are reviewed and examined by members of the IV&V team with the goal of preventing omissions, spotting problems, and ensuring the product is being developed correctly. Some Verification activities may include items such as: • Verification of requirement against defined specifications • Verification of design against defined specifications • Verification of product code against defined standards • Verification of terms, conditions, payment, etc., against contracts

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• BriForum London Videos

  - by Chris Kawalek

  We're back from BriForum London and it was a fantastic show. Just amazing firsthand information on real world desktop virtualization deployments, future trends, best practices, and more. If desktop virtualization is part of your job, I highly recommend checking out the event. The next one is in July in Chicago, and Oracle will be there! Here are a few videos from the show: The video below was done by the brianmadden.com folks, so click on it to go over to their site to see it. Many thanks to the team there! -Chris For more information, please go to the Oracle Virtualization web page, or  follow us at :  Twitter   Facebook YouTube Newsletter

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• Questions and Answers from Today's Upgrade Webcast with Roy Swonger

  - by margaret hamburger

  Thanks for attending today's live webcast, 3 Compelling Reasons to Upgrade to Oracle Database 11g with Oracle Database Upgrade Expert Roy Swonger. We had an amazing turnout this morning and responded to more than 40 of your upgrade questions that I just couldn't wait to share with you. Don't worry if you missed today's live webcast. You can register for the On-Demand version to learn about Oracle Database 11g upgrade best practices with real customer examples, plus loads of great upgrade resources for making database upgrades faster and easier. You can also download a copy of our webcast presentation.

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• Testing complex entities

  - by Carlos

  I've got a C# form, with various controls on it. The form controls an ongoing process, and there are many, many aspects that need to be right for the program to run correctly. Each part can be unit tested (for instance, loading some coefficients, drawing some diagnostics) but I often run into problems that are best described with an example: "If I click here, then here, then change this, then re-open the form, then click here, it crashes or produces an error" I've tried my best to use common code organisational ideas (inheritance, DRY, separation of concerns) but there never seems to be a way to test every single path, and inevitably, a form with several controls will have a huge number of ways to execute. What can I read (preferably online) that addresses this kind of issue, and is there a (non-generic) term for it. This isn't a specific problem I'm having, but one that creeps up on me, especially with WinForms.

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• Read entire file in Scala?

  - by Brendan OConnor

  What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.) The best I can come up with is: scala.io.Source.fromPath("file.txt").getLines.reduceLeft(_+_) or am I supposed to use one of Java's god-awful idioms, the best of which (without using an external library) seems to be: import java.util.Scanner import java.io.File new Scanner(new File("file.txt")).useDelimiter("\\Z").next() From reading mailing list discussions, it's not clear to me that scala.io.Source is even supposed to be the canonical I/O library. I don't understand what its intended purpose is, exactly. ... I'd like something dead-simple and easy to remember. For example, in these languages it's very hard to forget the idiom ... Ruby open("file.txt").read Ruby File.read("file.txt") Python open("file.txt").read()

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• Configuration files for C in linux

  - by James

  Hi, I have an executable that run time should take configuration parameters from a script file. This way I dont need to re-compile the code for every configuration change. Right now I have all the configuration values in a .h file. Everytime I change it i need to re-compile. The platform is C, gcc under Linux. What is the best solution for this problem? I looked up on google and so XML, phthon and Lua bindings for C. Is using a separate scripting language the best approach? If so, which one would you recommend for my need? Thanks

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• design pattern for unit testing? [duplicate]

  - by Maddy.Shik

  This question already has an answer here: Unit testing best practices for a unit testing newbie 4 answers I am beginner in developing test cases, and want to follow good patterns for developing test cases rather than following some person or company's specific ideas. Some people don't make test cases and just develop the way their senior have done in their projects. I am facing lot problems like object dependencies (when want to test method which persist A object i have to first persist B object since A is child of B). Please suggest some good books or sites preferably for learning design pattern for unit test cases. Or reference to some good source code or some discussion for Dos and Donts will do wonder. So that i can avoid doing mistakes be learning from experience of others.

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• Why should we have soap location in WSDL ?

  - by Alexis

  Hello, Is soap:address/ or soap:address location=uri / best pratice for spring WS ? Regards,

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• Collaborative editing for .NET development - what are the possibilities

  - by Olav

  What are the best options for real-time collaborative editing for .NET development? (C#,VB.NET, ASP.NET - not Mono unless it is the best way to get collaboration) 1) Anything possible with visual studio? 2) Collaborative editors? I know Eclipse has real-time collaboration, but I don't know how far you can combine it with .NET support. 3) Web-based tools? 4) Desktop sharing tools like VNC, NX etc. The main points is that 2 developers in different locations should be able to see edits in real time. Both should be able to edit, or it should be easy to switch control. Regarding .NET, syntax highlighting etc is better than nothing.

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• blurry lines between web application context layer, service layer and data access layer in spring

  - by thenaglecode

  I Originally asked this question in SO but on advice I have moved the question here... I'll admit I'm a spring newbie, but you can correct me if I'm wrong, this one liner looks kinda fishy in a best practices sort of way: @RepositoryRestResource(collectionResourceRel="people"...) public interface PersonRepository extends PagingAndSortingRepository<Person, Long> For those who are unaware, the following does many things: It is an interface definition that can be registered in an application context as a jpa repository, automagically hooking up all the default CRUD operations within a persistence context (that is externally configured). and also configures default controller/request-mapping/handler functionality at the namespace "/people" relative to your configured dispatcher servlet-mapping. Here's my point. I just crossed 3 conceptual layers with one line of code! this feels against my seperation-of-concern instincts but i wanted to hear your opinion. And for the sake of being on a question and answer site, I would like to know whether there is a better way of seperating these different layers - Service, Data, Controllers - whilst maintaining as minimal configuration as possible

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