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Are static methods inherited in Java?
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All methods that are accessible are inherited by subclasses.
From the Sun Java Tutorials:
A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subclass is in the same package as its parent, it also inherits the...
What is the difference between procedural programming and functional programming? [closed]
...;
# in this case it is rather pointless as
# it can't even be accessed from outside
my $result = 1;
loop ( ; $n > 0 ; $n-- ){
$result *= $n;
}
return $result;
}
D 2
int factorial( int n ){
int result = 1;
for( ; n > 0 ; n-- ){
result *= n;
}
return result...
Why is a ConcurrentModificationException thrown and how to debug it
...y the set of keys and iterate through them, getting the value for each key from the original map.
– Chochos
Aug 31 '10 at 14:44
1
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Sound alarm when code finishes
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This one seems to work on both Windows and Linux* (from this question):
def beep():
print("\a")
beep()
In Windows, can put at the end:
import winsound
winsound.Beep(500, 1000)
where 500 is the frequency in Herz
1000 is the duration in miliseconds
To work on ...
Hide all warnings in ipython
...g viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
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how to override action bar back button in android?
...ich is to override the "onSupportNavigateUp()" as I am using the actionbar from the "AppCompatActivity" support library. (There is an equivalent "onNavigateUp()" for the newer actionbar/toolbar library.)
@Override
public boolean onSupportNavigateUp(){
finish();
return true;
}
and I remo...
Read file line by line using ifstream in C++
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Use ifstream to read data from a file:
std::ifstream input( "filename.ext" );
If you really need to read line by line, then do this:
for( std::string line; getline( input, line ); )
{
...for each line in input...
}
But you probably just need...
What does GitHub for Windows' “sync” do?
... git pull --rebase and then if there are local changes, it does git push.
From here: http://haacked.com/archive/2012/05/21/introducing-github-for-windows.aspx#87318
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What is the garbage collector in Java?
...e the wikipedia entry on Garbage collection and Tuning Garbage Collection (from Oracle)
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Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
... it's faster. It's also semantically cleaner, because it also protects you from multiple threads doing alloc init of your sharedInstance--if they all try at the same exact time. It won't allow two instances to be created. The entire idea of dispatch_once() is "perform something once and only once", ...