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App restarts rather than resumes
...mmon issue on Samsung devices as well as other manufacturers that use a custom launcher/skin. I haven't seen the issue occur on a stock Android launcher.
Basically, the app is not actually restarting completely, but your launch Activity is being started and added to the top of the Activity stack wh...
Best way for a 'forgot password' implementation? [closed]
I'm looking for the best method to implement a "forgot password" feature.
10 Answers
1...
Convert List to List
...
The way to make this work is to iterate over the list and cast the elements. This can be done using ConvertAll:
List<A> listOfA = new List<C>().ConvertAll(x => (A)x);
You could also use Linq:
List<A> listOfA ...
What unique features does Firebug have that are not built-in to Firefox?
...
Firefox's native developer tools have come a long way since this question was
written. The differences have mainly reduced to the following points:
Can't stop the script execution on DOM mutations, XHRs, or cookie changes.
XPaths can't be copied.
Mis...
How do I rename a column in a SQLite database table?
I would need to rename a few columns in some tables in a SQLite database.
I know that a similar question has been asked on stackoverflow previously, but it was for SQL in general, and the case of SQLite was not mentioned.
...
When should we use Observer and Observable?
...e of a Student and a MessageBoard. The Student registers by adding itself to the list of Observers that want to be notified when a new Message is posted to the MessageBoard. When a Message is added to the MessageBoard, it iterates over its list of Observers and notifies them that the event occurre...
What is a void pointer in C++? [duplicate]
...void* does not mean anything. It is a pointer, but the type that it points to is not known.
It's not that it can return "anything". A function that returns a void* generally is doing one of the following:
It is dealing in unformatted memory. This is what operator new and malloc return: a pointer ...
Why should casting be avoided? [closed]
...t happens only at compile time (i.e., you're just telling the compiler how to interpret/treat some data) or something that happens at run time (e.g., an actual conversion from double to long).
C++ attempts to deal with that to at least some extent by adding a number of "new" cast operators, each of...
Android: how to handle button click
...ss Files). It also makes for easier debugging. It is actually a lot easier to read this way and think about Android imo.
Question 2:
I believe the two mainly used are #2 and #3. I will use a Button clickButton as an example.
2
is in the form of an anonymous class.
Button clickButton = (Button) findV...
Disable cache for some images
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A common and simple solution to this problem that feels like a hack but is fairly portable is to add a randomly generated query string to each request for the dynamic image.
So, for example -
<img src="image.png" />
Would become
<img src="i...