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What's the correct way to sort Python `import x` and `from x import y` statements?
...
from nova.auth import users
from nova.endpoint import cloud
OR
import a_standard
import b_standard
import a_third_party
import b_third_party
from a_soc import f
from a_soc import g
from b_soc import d
Reddit official repository also states that, In general PEP-8 import ordering should be use...
Dialog to pick image from gallery or from camera
...ake picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called requestCode)
To pick photo from gallery:
Intent pickPhoto = new Intent(Intent.ACTION_PICK,
android.prov...
Types in Objective-C on iOS
...
This is a good overview:
http://reference.jumpingmonkey.org/programming_languages/objective-c/types.html
or run this code:
32 bit process:
NSLog(@"Primitive sizes:");
NSLog(@"The size of a char is: %d.", sizeof(char));
NSLog(@"The size of short is: %d.", sizeof(short));
NSLog(@"The si...
Applying function with multiple arguments to create a new pandas column
...f = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function in general case:
>>> def fx(x, y):
...
How to exit pdb and allow program to continue?
...) clear 1
Deleted breakpoint 1
(Pdb) continue
Or, if you're using pdb.set_trace(), you can try this (although if you're using pdb in more fancy ways, this may break things...)
(Pdb) pdb.set_trace = lambda: None # This replaces the set_trace() function!
(Pdb) continue
# No more breaks!
...
How do I update the notification text for a foreground service in Android?
... only by calling stopForground );
Example:
private static final int NOTIF_ID=1;
@Override
public void onCreate (){
this.startForeground();
}
private void startForeground() {
startForeground(NOTIF_ID, getMyActivityNotification(""));
}
private Notification getMyActivityNotification(String...
Naming convention for Scala constants?
...ER!!!")
case Some(lowerConst) => println("lower!")
case _ => println("mismatch!")
}
}
}
}
Naively I would have expected that to reach all of the cases in the match. Instead it prints:
Input 'Some(lower)' results in: lower!
Input 'Some(UPPER)' results in: UPPER!!...
Calculate distance between two latitude-longitude points? (Haversine formula)
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@Forte_201092: Because that is not necessary - as (sin(x))² equals (sin(-x))²
– Jean Hominal
May 30 '14 at 9:16
...
Diff output from two programs without temporary files
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One option would be to use named pipes (FIFOs):
mkfifo a_fifo b_fifo
./a > a_fifo &
./b > b_fifo &
diff a_fifo b_fifo
... but John Kugelman's solution is much cleaner.
share
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Reading in a JSON File Using Swift
...app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[_NSPlaceholderData initWithContentsOfFile:options:error:]: nil file argument' *** First throw call stack: Any ideas on why this is? For the jsonData options: I put (path, options: NSDataReadingOptions.DataReadingMappedIfSaf...