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• Port forwarding in C#/software possible? Isn't it only managed by the router?

  - by Rudi

  Isn't port forwarding managed by the router? Like, I've googled up some software applications that seem to port forward with great success, but it technically seems to be impossible. The packet must first go to the router. The router must forward it to the correct computer based on port forwarding rules. So how can a software application manage port forwarding if the packet must GO to the computer running this software application in the first place, meaning that port forwarding already is successful in the first place?

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• Letting users trial your web app before sign-up: sessions or temp db?

  - by Mat

  I've seen a few instances now where web applications are letting try them out without you having to sign-up (though to save you need to of course). example: trial at http://minutedock.com/ I'm wondering about doing this for my own web app and the fundamental question is whether to store their info into sessions or into a temp user table? The temp user table would allow logging and potentially be less of a hit on the server correct? Is there a best practice here?

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• What resources to look to in order to write an emulator for iPhoneOS?

  - by Roman Kagan

  What are available resources I should look to in order to write an emulator for iPhoneOS? I'd like to write an emulator to run applications written for MacOS. I understand that I won't be able to use file system and other OS resources. I do have an SDK, XCode and all documentation for those resources, but I wonder if I can find some examples (perhaps similar to the emulator that can run Ninetendo games on iPhone)?

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• What determines your version numbering conventions in your s/w releases ?

  - by giulio

  I use the classic vX.x format. Beta testing gets a version number like v0.5b. When I go live, I'll say v1.0. I have seen the X.X.X format. Can someone explain the principles behind that convention please. What rules do you use that determine the version of your applications ? And which one do you prefer ?

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• GUI testing with Instrumentation in Android

  - by Sara

  I want to test my Android applications UI, with keyevents and pressed buttons and so on. I've read som documentation that Instrumentation would be able to use for this purpose. Anyone with expericence with using Instrumentation for UI testing?

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• Call trace in Android

  - by DenMark

  I want to know how to do method tracing for Android applications. I mean, a sequence of calls on each object, not a stack trace. It's very similar to this question (Call trace in java), but on different platforms (jvm-PC vs dvm-Android). I have no control over the start arguments of dalvik, thus I cannot specify a java agent (or am I wrong here?). Is there another way to do method tracing? Thanks!

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• What is the difference between customErrors and httpErrors?

  - by Alan T

  Hi All What is the difference between the customErrors and httpErrors sections of the web.config file in ASP.NET applications? What are the guidelines for using each section? Thanks. Alan T

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• A lightweight application framework for PHP?

  - by millenomi

  I have long been a fan of _why's Camping microframework -- lightweight, great for microscopic applications (low concurrency, easy to use and edit and maintain), which is what I do. I'd love to know if there's something similar for PHP; full-blown app frameworks like CakePHP or Symphony are very large for what I do, but I can't seem to find nothing "less". What PHP framework would you prefer, in this situation?

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• Is there any non-web application of JavaScript?

  - by Madhu

  As far as I know, JavaScript is a general purpose language but mostly it is used for Web Applications. I am curious to know whether anyone is using JavaScript for non-Web apps. Also, are there any tools available for non-Web application development?

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• Help me in choosing framework.

  - by Vinayak Phal

  I'm a php developer from last 3-4 months. I used to write direct applications. Now i've decided to use a php framework. Which is the best suitable framework for me? Currently i'm developing a application side by side i want to learn framework by doing some simple stuff and to use it in next project.

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• Online graphing and data visualization frameworks

  - by Marques

  I have been looking around at web applications and websites with rich graphs, charts, and data visualization and for the most part have been able to determine which frameworks or tools websites are using. However I was looking over 'resumup.com' and couldn't determine what they are using. Does anyone know off hand or can you tell? It doesn't seem like any javascript framework i've seen unless its custom...is it some sort of flash or flex framework? Any help would be greatly appreciated. Thanks, Marques

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• In a star schema, are foreign key constraints between facts and dimensions neccessary?

  - by Garett

  I'm getting my first exposure to data warehousing, and I’m wondering is it necessary to have foreign key constraints between facts and dimensions. Are there any major downsides for not having them? I’m currently working with a relational star schema. In traditional applications I’m used to having them, but I started to wonder if they were needed in this case. I’m currently working in a SQL Server 2005 environment.

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• How do you determine an acceptable response time for App Engine DB requests?

  - by qiq

  According to this discussion of Google App Engine on Hacker News, A DB (read) request takes over 100ms on the datastore. That's insane and unusable for about 90% of applications. How do you determine what is an acceptable response time for a DB read request? I have been using App Engine without noticing any issues with DB responsiveness. But, on the other hand, I'm not sure I would even know what to look for in that regard :)

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• Is it worth a try LINQ to SQL as a beginner to an ORM?

  - by Pandiya Chendur

  Thus far used sql server stored procedures for all my web applications... Now thought of moving to an ORM... I would like to ask SO users about LINQ to SQL Is Linq to sql worth a try as a beginner to an ORM? or should i look for some others... Any suggestion... EDIT: I have a sql server 2005 database with all tables.... How to use this db with Linq to sql?

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• has any tools easy to download or uploaed data from gae ..

  - by zjm1126

  i find this: http://aralbalkan.com/1784 but it is : Gaebar is an easy-to-use, standalone Django application that you can plug in to your existing Google App Engine Django or app-engine-patch-based Django applications on Google App Engine to give them datastore backup and restore functionality. my app is not based on django,so did you know any tools esay to do this . thanks

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• Regarding Application Templates

  - by user185590

  Hi Folks , Here is Jagadeesh, New to the Iphone Development Platform , i need to know the Difference among the Templates for our Applications( like we have Navigation, view, window, Open Gl, Tab Bar, Utility type application)over there and there is a small description at the bottom of the pane , can anyone let me know the Complete description and Templates Screen shot(like View based aPpliction screen shot, Window based Screen Shot Etc..., ) so that as a beginner it is very easy to learn....

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• What online sites are available to help organize redundant error/cron emails?

  - by xyld

  I feel like I saw a site somewhere that would "dedupe" error messages commonly sent from frameworks like Django or cron errors. I cannot seem to re-find the site however. Have people heard of online tools like this that help wade through the hundreds of emails applications can possibly send at times?

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• Storing a secret key on Android

  - by Casebash

  My Android application uses a secret key to generate a token for authentication purposes. Is there a more secure way to store this than just putting this in the data store? I think for the iPhone, we store it in the keychain. I am aware of android.accounts.AccountManager, but this seems to give other applications potentially the ability to access the password (if the user selects the wrong option) and so seems less secure.

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• Is it possible to cascade the ppt slide show window and my application using C# code.

  - by Anand

  I have created an application that looks like a news ticker. It suppose to run on a machine which has PPT slide show running on it always. I have set this.TopMost = true So the ticker application overlaps the PPT. But I want that the ticker application as well as the ppt are seen together. This is possible only if I can cascade the applications. Can someone please help?

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• Why multitasking is not supported in iPhone ?

  - by srikanth rongali

  Many are saying that Apple has restricted it for better performance. It should increase the size of RAM to support multitasking. So, they Apple is not allowing it. But some say that Cocoa Touch applications can't be multitasking as iPhone has only one window and views on it. But I could not understand what is the correct reason for this ? Please clarify me.

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• [N]Hibernate Sessions

  - by Jaimal Chohan

  A silly question, perhaps, but at this time of night, StackOverFlow is my only friend. I'm playing with NHibernate and wanted to factualize these 2 statements regarding Sessions in web applications. 1) You should only ever have 1 ISessionFactory per database for the lifecycle of an application. 2) You should only have 1 ISession per HttpRequest or batch of HttpRequests (i.e. conversation) [I don't want tool or framework recommendation, just want to confirm the above]

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• build version - iphone app (xcode)

  - by peter61

  For one of my applications in xcode, I have the option to build for many different versions ranging from 3.0 to 3.1.3. Now when I make a new application, I only have the option to build this new application for 3.1.3. I can't seem to find where this project setting is. How can I build my application for 3.0? Thanks.

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• DataSet v/s Database

  - by Hemanshu Bhojak

  While designing applications it is a very good practice to have all the business logic in one place. So why then we sometimes have the business logic in stored procs? Can we fetch all data from the DB and store it in a DataSet and then process it? What would be the performance of the app in this scenario?

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• Keeping an application on top and in focus - always

  - by James Newton-King

  I am creating a kiosk application and I want to ensure it is always, no matter what, on top of other Windows applications and the Windows task bar. I am already blocking Windows keyboard commands (alt-tab, etc) but there are still situations that could cause an application to launch and steal the screen. Is it possible to hook into Windows from .NET and continually test whether the application has focus and is on top, and if not then give it focus and make it on top?

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• Monitoring GPS Coordinates

  - by Suriyan Suresh

  I need to monitor GPS Coordinates changes at every 15 min and take action based on that. as per bada developer guide report "only one application allowed to run at a time if another application try to run first one is closed" .so that how do i monitor GPS coordinates without interruption from other applications. how do i keep my application running at all times

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