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How to delete shared preferences data from App in Android
...ring the preferences file does not appear to actually delete it. In my own tests by watching the "Data" usage listed in the App Info panel, creating a new SharedPreference file adds 4KB to this value but using editor.clear().commit() does not reduce the number.
– Code Commander...
Auto code completion on Eclipse
...rs for various inputs. For instance, attempting to auto complete the word "test" in a Java editor, in the context of a class body, will allow you to create a unit test that uses JUnit; you'll have to code the body of the method though. Some code templates like the former, come out of the box.
Confi...
iPhone App Minus App Store?
...pp Store. For further details on this method, see Craig Hockenberry's Beta testing on iPhone 2.0 article
Jailbroken iPhone
For jailbroken iPhones, you can use the following method which I have personally tested using the AccelerometerGraph sample app on iPhone OS 3.0.
Create Self-Signed Certifica...
LISTAGG in Oracle to return distinct values
... as col2
from sometable
where rn = 1
group by col1;
V1 - some test cases - FYI
regexp_replace('2,2,2.1,3,3,4,4','([^,]+)(,\1)+', '\1')
-> 2.1,3,4 Fail
regexp_replace('2 ,2 ,2.1,3 ,3 ,4 ,4 ','([^,]+)(,\1)+', '\1')
-> 2 ,2.1,3,4 Success - fixed length items
V2 -items contained w...
C# switch statement limitations - why?
...end on machines and conditions. I wouldn’t pay attention to these timing tests, the microsecond durations we’re talking about are dwarfed by any “real” code being run (and you must include some “real code” otherwise the compiler will optimise the branch away), or jitter in the system. My...
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
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Just a few suggestions: 1) you may want to actually test for height==568*2 before reporting iPhoneTallerHiRes and 2) you may want to also test the width. Then for everything not explicitly recognized return UIDevice_notRecognizedRes. Should be easier to adapt in case the futur...
How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
...used in an environment where the HttpContext may not be available, such as testing. As a result, you will want code that is that is more defensive (at the cost of being slightly longer):
using System.Web;
using System.Web.Mvc;
using Elmah;
public class HandleErrorAttribute : System.Web.Mvc.HandleE...
Finding quaternion representing the rotation from one vector to another
...bout there not being a unique rotation, but the above should give the "shortest arc," which is probably what you need.
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Where does Oracle SQL Developer store connections?
...can't get connected to my Oracle Database 11g Express Edition. I created a test database in this edition, and I can connect to the database fine using Oracle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Where is the connection informa...
iPhone and OpenCV
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The latest build script from Computer Vision Talks works great for Xcode 4 and iOS 4.3 . I have tried the script myself and it is just awesome!
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