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  • iPhone Development - Query related records using CoreData

    - by Mustafa
    I have a case where i have three entities with one-to-many and one-to-many relationships: Entity A (Entity B relationhip), Entity B (Entity A relationship, Entity C relationship), Entity C (Entity B relationhip) I have the reference of Entity A, and now i want to fetch all the related Entity C records. How can i do that? (with least amount of code) Edit: Here's another way to put it. Can we perform joins with CoreData. For example, (and this is a very crude example), We have a following entity-relationship: Grand Parent (1)---(m) Parent Parent (1)---(m) Child So, now if i have "Albert" the Grand Parent, and i want to get all his grand children, how can i do that?

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  • killBackgroundProcesses does not work on SETTINGS?

    - by Anthony
    I want to kill the background process of SETTINGS by using killBackgroundProcesses. But it does not work without any errors? I use API(8) level 2.2 and having KILL_BACKGROUND_PROCESSES permission in manifest. ActivityManager activityManager = (ActivityManager)getApplicationContext().getSystemService(Context.ACTIVITY_SERVICE); activityManager.killBackgroundProcesses("com.android.settings"); "com.android.settings" is checked by getPackageName of getRunningTasks in ActivityManager.

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  • WebPage resize on HD Devices like Nexus One

    - by christian Muller
    Hi, our Webpage: http://www.checkdent.com/mobile/sv.php?id=12332181087788749 looks fine on Android G1, but comes resized on the Google Nexus (higher resolution) Half part of the Page is outside of the View! I implemented as mentioned at several places the: target-densityDpi=device-dpi < meta content="minimum-scale=1.0, width=device-width, , target- densityDpi=device-dpi, maximum-scale=0.6667, user-scalable=no" name="viewport" / it works great within the 'android browser' but in my Webview Application it still resize!! What can i Do? Regards Chris

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  • Rapid Application Development Articles

    - by Micheal
    I'm writing a project and I need to use a certain number of journal articles. I'm having real trouble finding journal articles on RAD though. It seems to be mostly books that I can find. Can anyone recommend any good articles to get me started?

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  • Iphone C# development

    - by cable729
    I wanted to use monotouch, but unfortunately I don't have $400 to spend. So I found xmlvm http://www.xmlvm.org/ and I it seems It can crosscompile .net bytecode to objective c. But, I'm not sure, are there any wrappers? What else would I need to start developing for the iphone using xmlvm??

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  • What is model driven development good for?

    - by happyappa
    Microsoft, of Cairo fame, is working on Oslo, a new modeling platform. Bob Muglia, Senior Vice President of Microsoft Server & Tools Business, states that the benefits of modeling have always been clear. In simple, practical terms, what are the clear benefits that Oslo bestows upon its users?

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  • Are Icon design UI guidelines still valid ?

    - by Pavel Lahoda
    Found UI guidelines of Launcher icon design http://d.android.com/guide/practices/ui_guidelines/icon_design.html but System Icons in recent Android releases doesn't seem to follow these guidelines (icons are flat instead simplified 3D perspective, as described in document). Are they already obsolete and what are the current guidelines ?

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  • How do people charge friends for development projects?

    - by Crashalot
    A friend has begged our consulting firm several times to build an iPhone app. We are reluctant to jeopardize the friendship and charge market rates. At the same time, we're so busy it would be imprudent not to charge fairly. We tried referring her to other shops, but she doesn't feel comfortable with anyone but us. How do people charge friends? Since I'm asking about fees, I'm also curious to know if people charge on a fixed-price basis or hourly basis? Thanks!

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  • Implementing a Stack using Test-Driven Development

    - by devoured elysium
    I am doing my first steps with TDD. The problem is (as probably with everyone starting with TDD), I never know very well what kind of unit tests to do when I start working in my projects. Let's assume I want to write a Stack class with the following methods(I choose it as it's an easy example): Stack<T> - Push(element : T) - Pop() : T - Seek() : T - Count : int - IsEmpty : boolean How would you approch this? I never understood if the idea is to test a few corner cases for each method of the Stack class or start by doing a few "use cases" with the class, like adding 10 elements and removing them. What is the idea? To make code that uses the Stack as close as possible to what I'll use in my real code? Or just make simple "add one element" unit tests where I test if IsEmpty and Count were changed by adding that element? How am I supposed to start with this?

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  • Home screen widget size for large screen or hdpi?

    - by kknight
    From Android widget screen guidelines, http://developer.android.com/guide/practices/ui_guidelines/widget_design.html, we know that, home screen has 4*4 cells, and in portrait orientation, each cell is 80 pixels wide by 100 pixels tall. I think these are for baseline HVGA screen. How about for large screens and hdpi screens, do they still have 4*4 cells for widget and each cell in portrait orientation is still 80 pixels * 100 pixels? Thanks.

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  • Repo command with no results

    - by Mayank
    Hello, I have installed repo and git on my PC. I am trying to get the latest Android source by using the following commands: repo init -u git://android.git.kernel.org/platform/manifest.git The command succeeds but I am not able to see .repo directory created. repo sync This command also succeeds and the program shows the details of objects being received. However I am not able to see anything downloaded to my PC. Any help will be appreciated.

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  • Should BASIC continue to be recommended for non-programmers and beginners?

    - by Casey
    I just came across a new BASIC implementation for Google Android application called Simple. You can read about it here: http://google-opensource.blogspot.com/2009/07/programming-made-simple.html Clearly, a lot of time and effort has been recently put into enabling this functionality for Android. Should the software industry continue to encourage non-programmers into learning BASIC, or are modern languages like C#, Python, Ruby more appropriate at this time?

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  • iPhone Development: Get images from RSS feed

    - by Matthew Saeger
    I am using the NSXMLParser to get new RSS stories from a feed and am displaying them in a UITableView. However now I want to take ONLY the images, and display them in a UIScrollView/UIImageView (3 images side-by side). I am completely lost. I am using the following code to obtain 1 image from a URL. NSURL *theUrl1=[NSURL URLWithString:@"http://farm3.static.flickr.com/2586/4072164719_0fa5695f59.jpg"]; JImage *photoImage1=[[JImage alloc] init]; [photoImage1 setContentMode:UIViewContentModeScaleAspectFill]; [photoImage1 setFrame:CGRectMake(0, 0, 320, 170)]; [photoImage1 initWithImageAtURL:theUrl1]; [imageView1 addSubview:photoImage1]; [photoImage1 release]; This is all I have accomplished, and it works, for one image, and I have to specify the exact URL. What would you recommend I do to accomplish this?

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  • Amazon EC2 Development Stack

    - by sirmak
    I want to use EC2 for some reasons and EC2 provides both windows and linux deployments, but linux is much cheaper (linux reserved instances are approx. %63-%85 price of windows ones and spot instances are %50 cheaper for linux). I need a type safe lang and mainstream platform and I prefer to use .net/c# stack (but not mono for some reasons), but in this situation java seems a better fit for the future (when ec2 instance counts begin to increase). So, is it worth to use .net ? best regards,

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  • XAMPP or MAMP on Mac OS X 10.6.2 (Snow Leopard)

    - by Steve
    I just bought a new MacBook Pro which comes with Snow Leopard 10.6.2 (Mac OS X 10.6.2). I am used to using XAMPP as my local development server on XP. Since Mac OS X is based on Unix, I was thinking on activating/installing all the necessary stuff as I would normally do on Linux. However, I am not quite ready to be playing around with the system at this point so having an external package would be a nice temporary solution I think. The question is whether I should go with MAMP or XAMPP. Does anybody have any suggestions? The Pro and Cons I suppose. As far as I know, Mac OS X comes with Apache2 and PHP5. Would MAMP or XAMPP modify the existing Apache and PHP installation? Any comments on how I should proceed? PS: Eventually I would use the default installation of Apache and PHP, and install a binary package of MySQL but time for development is an essence and I don't have time to familiarize myself with Mac OS X.

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  • Python code translation to JVM

    - by jldupont
    Is there such a thing as a "translator" (for lack of a better word in my mind now) that translates Python code directly to JVM / Dalvik bytecode? Would be great for writing Android applications in Python! NOTE: I know about the scripting capabilities of the Android platform but I am looking for something that would generate a '.apk' without having to install the 'scripting' package... annoying for end-users.

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  • HTC ActiveSync contacts sync problem

    - by Jonas Elfström
    I'm trying to sync my HTC Desire (HTC Sense, ActiveSync, Android 2.1) phone with an Exchange server over the internet. Everything seems to be working just fine except that contacts already in the phone does not sync to the Exchange server. If I add a contact in Exchange it appears in the phone and if I remove that contact in the phone it disappears in Exchange. Seems I'm missing something trivial here or is it just not possible?

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  • Blackberry development on scripting language ?

    - by zvr
    From what I've seen, the preferred way to develop Blackberry applications is Java. Is this the only way? I'm dreaming of a rapid application environment where you can create GUIs (using the Blackberry UI components). Something like a port of Tcl/Tk on Blackberry... or Python/Tkinter... or something new, but similar. Does something like that exist ? (I doubt it) Can something like that exist ? (i.e., given the money, is it feasible/reasonable/...)

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  • Suggest product catalog script/framework in PHP which doesn't displays product price

    - by Amit Kumar Jha
    Hey all, I am new to web development and have this project in hand where in I have to build a product catalogue. I don't want any cart functionality or other such features, I just want to display the products,their specifications and images etc. on the website and give my client an admin panel to manage products. Now I looked into various PHP shopping cart scripts but couldn't find a way to remove price info from the display. I am not experienced enough in web development to make a product catalogue from scratch so if you guys could point me out in right direction I would be very grateful. If you could give me link to some shopping cart or cataloguing script or any other way to accomplish the task it would help me out a lot.. Thanks in advance to all those who reply.

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