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• How to retrive content of one table from database in sqlite for iphone?

  - by Warrior

  I am using Sqlite database in my app.I Have 3 tables in database(group, category & categorygroup).I want to retrieve the contents from the category table with reference to the primary key of the group table.category group act as a junction table which as both the primary keys of group and category .How can i achieve that.Please help me out,Thanks

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• DES?AES?RC4, which encryption method should I use for cellphone Encode and Decode?

  - by Mike108

  I have an asp.net web app storing user's cellphone number in Sql Server 2005. I want to use C# to encode cellphone number for security reason. Which encryption method should I use for cellphone Encode and Decode? DES?AES?RC4 or something else?

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• CodeIgniter: is $_POST already clean for db input?

  - by Shishant

  Hello, This is my first app with CI and I want to know whether $_POST is clean and can I directly insert the data into db? I have enabled $config['global_xss_filtering'] = TRUE; Thank You.

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• Rails - single ID for multiple models

  - by user352351

  I'm building an app which will allow a user to scan the barcode on a 'shelf', 'box' or 'product' which will then bring up that particular item or all the associated items. As these are all separate models with their own ID's, I need a global ID table. I was thinking of a polymorphic table called 'barcodes' barcodes id barcode_number barcodable Is there an easy way to do this? Or is polymorphic the best way?

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• Click to select from a list of tags in jQuery

  - by Michael Doornbos

  I'm struggling to find a tag selection UI for a rails app. Ideally it would be something like the selection here on Stackoverflow, or on Delicious or Digg. I want users to be able to select multiple tags with a single click. We're already using jQuery, so it makes sense to use something that takes advantage of that. I've used the selection ui in jQuery and I'm not thrilled about having users need to hold down ctrl to select multiple tags.

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• error on oncreate() method

  - by user1644081

  I am begginer in Android App and using Java as when I add this code : GCMRegistrar.checkDevice(this); GCMRegistrar.checkManifest(this); final String regId = GCMRegistrar.getRegistrationId(this); if (regId.equals("")) { GCMRegistrar.register(this, SENDER_ID); } else { Log.v(TAG, "Already registered"); } I had error on : SENDER_ID Log TAG the error "cannot be resolved to available "

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• Can <Setter.Value> have multiple grids inside it

  - by Subhen

  Hi, I want to define the background for my application in App.XAML. The background was previously defined in another xaml page,which have multiple Grids inside it like following: <Grid x:Key="GridGeneric" d:LayoutOverrides="Width, Height"> <Grid.Background> <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0"> <GradientStop Color="#FF00172E" Offset="1"/> <GradientStop Color="#FF004074" Offset="0.433"/> <GradientStop Color="#FF081316"/> <GradientStop Color="#FF001D3F" Offset="0.215"/> <GradientStop Color="#FF002043" Offset="0.818"/> <GradientStop Color="#FF003B6C" Offset="0.642"/> </LinearGradientBrush> </Grid.Background> <Grid> <Grid.Background> <RadialGradientBrush RadiusY="0.973" GradientOrigin="0.497,-0.276" RadiusX="1.003"> <GradientStop Color="#FFB350EE" Offset="0"/> <GradientStop Color="#001D3037" Offset="0.847"/> </RadialGradientBrush> </Grid.Background> </Grid> ------ ----- </Grid> Now I want to place the same in my App.xaml like following: <Style x:Key="backgroundStyle" TargetType="Grid"> <Setter Property="Background"> <Setter.Value> <Grid> <Grid.Background> <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0"> <GradientStop Color="#FF00172E" Offset="1"/> <GradientStop Color="#FF004074" Offset="0.433"/> <GradientStop Color="#FF081316"/> <GradientStop Color="#FF001D3F" Offset="0.215"/> <GradientStop Color="#FF002043" Offset="0.818"/> <GradientStop Color="#FF003B6C" Offset="0.642"/> </LinearGradientBrush> </Grid.Background> <Grid> <Grid.Background> <RadialGradientBrush RadiusY="0.973" GradientOrigin="0.497,-0.276" RadiusX="1.003"> <GradientStop Color="#FFB350EE" Offset="0"/> <GradientStop Color="#001D3037" Offset="0.847"/> </RadialGradientBrush> </Grid.Background> </Grid> --------- --------- </Grid> </Setter.Value> </Setter> </Style> But While doing this I am getting the following Exception.

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• How do I uninstall the .NET framework?

  - by spelunk

  I'm having a problem running a VS 2005 app on some machines and not others. I looked up the error message on google and found a post by someone who had the same error and fixed it by uninstalling and reinstalling the .NET framework. When I try to do that, Windows won't let me because it is in use. Am I expected to uninstall everything that is using the framework first, then uninstall the framework, then reinstall, etc.? Does anyone know of an easier way?

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• Are the iPhone media playback control window available to other applications?

  - by Comma

  what is the transparent modal window that has the playback controls in the music player (iPod) of the iPhone? how can i use it in my app?

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• Determine when a loud sound is played in C#

  - by Eric P

  I want to determine if another program plays a sound above a certain threshold. I am not looking for checking the volume settings on the computer or anything like that. I really just need to see if any app plays something higher then what I am expecting. Anyone know if this is possible or how to do it?

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• Downside to including headers in every source file (Objective-C)

  - by Michael Waterfall

  I'm currently including my AppDelegate.h and all of my category headers into every one of my source files using the MyApp_Prefix.pch prefix header, instead of manually #importing them only where they are used. The category methods and lots of compiler #define's in my app delegate are used in lots of places in my code. Is there any down side to this? Is it just that compilation will take longer?

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• Is it still being prohibited changing lock screen(wallpaper) in iPhone OS 3.x?

  - by Eonil

  I checked this posting, so it was impossible to do it. But it's old posting, and somebody are saying me there is an app which can change wallpaper(lock screen). Is this allowed now?

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• Limits of GUIs in C#

  - by xarzu

  What are the limits of writing a C# app when you want a truly impressive GUI? At what point does one have to leave Visual C# behind and go into WPF? Also, if I choose to go with WPF, do I have to ditch the Visual Studio IDE and go with Expression Studio?

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• Locating objects (structs) in memory - how to?

  - by flavour404

  Hi, How would you locate an object in memory, lets say that you have a struct defined as: struct POINT { int x; int y; }; How would I scan the memory region of my app to find instances of this struct so that I can read them out? Thanks R.

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• Update Label text from XML

  - by kpk77

  Hi, I have an XML will is parsed and then fed to a bunch of Labels. I am trying to add a live element so that the labels refresh automatically from the XML. From what I've read this is possible using a tableView and [tableView reloadData] but the design dictates the use of labels. At the moment the labels only get updated on restarting the app, which is not ideal. Using ViewWillAppear is one option, but want to stick to using lables.

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• Does the facebook API allow you to tag pictures?

  - by devcity

  As the title states, does the facebook API allow developers to write an app that will automatically tag pictures? Or is that outside of the scope?

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• Should i use a C function or Obj-C Method?

  - by Daniel Granger

  I'm about to create a function which adds to NSDateComponents together is there any advantage to putting this in a C style function or should it go in a Obj-C method? Is there ever a reason to use one rather then the other or should I always stick to Obj-C? BTW: Not that it makes any difference I'm sure but this is for an app on the iPhone Many thanks

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• What do 'real', 'user' and 'sys' mean in the output of time(1)?

  - by Iraimbilanja

  $ time foo real 0m0.003s user 0m0.000s sys 0m0.004s $ What do 'real', 'user' and 'sys' mean in the output of time? Which one is meaningful when benchmarking my app?

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• please tell me how i can paint the whole screen in a rimlet?

  - by user188391

  i am developing a blackberry app. i want to paint the screen. i have implemented this VerticalFieldManager hfmBg = new VerticalFieldManager(Field.USE_ALL_HEIGHT ) { protected void paint(Graphics g) { g.setBackgroundColor(Color.SILVER); g.clear(); super.paint(g); }//end of paint method };//end of vertical field manager but tell me is there any other approach to paint the whole screen?

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• xml cache on iphone

  - by dubbeat

  Hi, Could somebody suggest a technique or class library to read up on for XML Caching on the iphone? The biggest lag in my app is the XML being downloaded from the server. If a user views a screen the xml has to be downloaded and parsed and theres a wait of a few seconds. If they leave the screen and come back to it again they have to wait all over again which is kinda crappy.

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• haskell check for user input errors

  - by snorlaks

  Hello. Im writing app in haskell and I would like to know that is the best way to check if users input is ok for example is it int when Im asking for int or if its date when asking for well formed date ? Thanks for help

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• Starting other Applications with Java

  - by moppel

  Is it possible to start other application that are installed on the system with my java app and pass a file as a parameter to them? I have a client which receives videos from a server and I want my client program to start, lets say the VLC player with the file that I received. How do I manage to do that?

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• Can I use Google Drive's editor interface embed in a website?

  - by Zamith

  I want to use google drive to store the files, but allow the users of my website to be able to edit them transparently, so that they don't have to go to google drive's website. Is this possible with the current API? Thus far I have only seen how to create an app for them to install in google drive, or doing something like DrEdit (https://developers.google.com/drive/examples/), which parses the files to JSON and uses the ACE editor, which is definitely not what I want.

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• How to generate sound in IPhone

  - by MSsaru

  I want to create App which can generate sound and change pitch. My problem is I don't know what libray can make what i want? Anyone can help me? Thank you.

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• Should I use AJAX or get every data beforehand

  - by rix501

  I have a web app where I need to change a drop down list dynamically depending on another drop down list. I have two options: Get all the data beforehand with PHP and "manage" it later with Javascript. Or get the data the user wants through AJAX. The thing is, that the page loads with all the data by default and the user can later select a sub category to narrow the drop downs. Which of the two options are better (faster, less resource intensive)?

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