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Creating and playing a sound in swift
...w: SKView) {
audioPlayer = AVAudioPlayer(contentsOfURL: coinSound, error: nil)
audioPlayer.prepareToPlay()
}
// Trigger the sound effect when the player grabs the coin
func didBeginContact(contact: SKPhysicsContact!) {
audioPlayer.play()
}
}
...
Hadoop “Unable to load native-hadoop library for your platform” warning
... CentOs . When I run start-dfs.sh or stop-dfs.sh , I get the following error:
21 Answers
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Control cannot fall through from one case label
...code. But I am getting a "Control cannot fall through from one case label" error.
8 Answers
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Listing all extras of an Intent
For debugging reasons I want to list all extras (and their values) of an Intent. Now, getting the keys isn't a problem
12 A...
How to prevent form from submitting multiple times from client side?
...urn false and then validation is called. So if my form has some validation error the form never gets submitted!!
– bjan
Jun 8 '12 at 12:09
6
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In Python, how do I indicate I'm overriding a method?
...'hello kitty!'
and if you do a faulty version it will raise an assertion error during class loading:
class ConcreteFaultyImplementer(MySuperInterface):
@overrides(MySuperInterface)
def your_method(self):
print 'bye bye!'
>> AssertionError!!!!!!!
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What is the difference between float and double?
...og(10) = 7.22 digits
This precision loss could lead to greater truncation errors being accumulated when repeated calculations are done, e.g.
float a = 1.f / 81;
float b = 0;
for (int i = 0; i < 729; ++ i)
b += a;
printf("%.7g\n", b); // prints 9.000023
while
double a = 1.0 / 81;
double b = ...
How to move all files including hidden files into parent directory via *
...
I get the following error: mv: overwrite `/path/.'? y mv: cannot move `/path/subfolder/.' to `/path/.': Device or resource busy mv: overwrite `/path/..'? y mv: cannot move `/path/subfolder/..' to `/path/..': Device or resource busy
...
Any way to clear python's IDLE window?
I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
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Insert, on duplicate update in PostgreSQL?
...ubject to race conditions that mean it might still fail with duplicate key error if a row is inserted concurrently, or might terminate with no row inserted when a row is deleted concurrently. A SERIALIZABLE transaction on PostgreSQL 9.1 or higher will handle it reliably at the cost of a very high se...