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EXC_BAD_ACCESS signal received
When deploying the application to the device, the program will quit after a few cycles with the following error:
32 Answers...
Android SQLite DB When to Close
...t. this will prevent multiple manipulations to the database and save your application from a potential crash
so in your singleton, you might have a method like this to get your single SQLiteOpenHelper object:
private SQLiteDatabase db;
private MyDBOpenHelper mySingletonHelperField;
public MyDBOpe...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...and the image will go back to the right image. I have no idea why this is happening.
13 Answers
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Replace multiple strings with multiple other strings
...y is not provided by String, but it might be someday, which could cause my apps to break. Is there a way to "subclass" or "extend" String to include such a function safely, or should I simply define a new two-argument function as part of my app library?
– David Spector
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Using port number in Windows host file
...ght allow outbound port redirection, but that doesn't really sound like an appealing option for this.)
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How do you close/hide the Android soft keyboard using Java?
...roid:windowSoftInputMode="stateAlwaysHidden"/>
Almost unbelievably, it appears to do nothing to prevent the keyboard from opening when you touch the control (unless focusable="false" and/or focusableInTouchMode="false" are assigned to the control). Apparently, the windowSoftInputMode setting app...
Algorithm to detect corners of paper sheet in photo
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Hi Daniel, thanks for getting involved. I like you approach. its actually the route Im getting good results with at the moment. There was even and OpenCV example what detected the rectangles. Just had to do some filtering on the results. as you were saying the white on white ...
How to append something to an array?
How do I append an object (such as a string or number) to an array in JavaScript?
30 Answers
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Create a GUID in Java
...many bits in a UUID, you can generate many millions of such values in your app and still sleep well. Using one of the other variants further reduces the possibility of collisions even closer to zero because of using "space and time", [1] MAC address or name, and [2] current date-time, as constraints...
Returning a value from thread?
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I would use the BackgroundWorker approach and return the result in e.Result.
EDIT:
This is commonly associated with WinForms and WPF, but can be used by any type of .NET application. Here's sample code for a console app that uses BackgroundWorker:
using ...