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Counting Chars in EditText Changed Listener
...tv.setText(String.valueOf(s.toString().length()));
}
public void beforeTextChanged(CharSequence s, int start, int count, int after){}
public void onTextChanged(CharSequence s, int start, int before, int count){}
});
...
Always pass weak reference of self into block in ARC?
...it.
ad infinitum
Thus, those two objects will just hang around in memory for the life of the program even though they should, if everything were working properly, be deallocated.
So, what we're worried about is retain cycles, and there's nothing about blocks in and of themselves that create thes...
Reset push notification settings for app
...ike to test my app when a user declines to have push notifications enabled for my app during the first start.
14 Answers
...
How to remove old Docker containers
...prune
This will remove all stopped containers and should work on all platforms the same way.
There is also a Docker system prune:
docker system prune
which will clean up all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes, in one command.
For ol...
How do I get the currently displayed fragment?
...th f
((CustomFragmentClass) f).doSomething();
}
This worked for me as I didn't want to iterate through every fragment I have to find one that is visible. Hope it helps someone else too.
share
|
...
Static variables in JavaScript
...at JS functions are also objects -- which means they can have properties.
For instance, quoting the example given on the (now vanished) article Static variables in Javascript:
function countMyself() {
// Check to see if the counter has been initialized
if ( typeof countMyself.counter == 'u...
Is is possible to check if an object is already attached to a data context in Entity Framework?
...tyWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
if (
context.ObjectStateManager.TryGetObjectStateEntry
(
context.CreateEntityKey(entitySetName, entity),
out entry
)
...
What is JSONP, and why was it created?
...t not JSONP. Wikipedia's document on JSON is (was) the top search result for JSONP. It says this:
10 Answers
...
Replace selector images programmatically
... per your other question, I'd suggest posting a new question with the code for your custom control and its selector, I'm not sure on the answer to that.
– Kevin Coppock
Jan 16 '11 at 15:04
...
How to get a table cell value using jQuery?
I am trying to work out how to get the value of table cell for each row using jQuery.
9 Answers
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