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What is the difference between '/' and '//' when used for division?
...--> 2 Python 2.7
print (4/2) ----> 2.0 Python 3.5
Now if you want to have (in python 2.7) same output as in python 3.5, you can do the following:
Python 2.7.10
from __future__ import division
print (2/3) ----> 0.6666666666666666 #Python 2.7
print (4/2) ----> 2....
@UniqueConstraint annotation in Java
I have a Java bean. Now, I want to be sure that the field should be unique.
8 Answers
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Cannot kill Python script with Ctrl-C
...s keep the main thread alive:
import time
while True:
time.sleep(1)
Now it will keep print 'first' and 'second' until you hit Ctrl+C.
Edit: as commenters have pointed out, the daemon threads may not get a chance to clean up things like temporary files. If you need that, then catch the Keyboa...
Why does running the Flask dev server run itself twice?
...######### Restarting @ {} ###################'.format(
datetime.utcnow())
However, if you need to set up module globals, then you should instead use the @app.before_first_request decorator on a function and have that function set up such globals. It'll be called just once after every reloa...
Comparing two NumPy arrays for equality, element-wise
...
Now use np.array_equal. From documentation:
np.array_equal([1, 2], [1, 2])
True
np.array_equal(np.array([1, 2]), np.array([1, 2]))
True
np.array_equal([1, 2], [1, 2, 3])
False
np.array_equal([1, 2], [1, 4])
False
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Android Studio needs JDK 7 for Android-L mac
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The folder name changed and now the folder name is jdk1.7.0_65.jdk :)
– smartDonkey
Jul 16 '14 at 17:06
4
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How are Python's Built In Dictionaries Implemented?
Does anyone know how the built in dictionary type for python is implemented? My understanding is that it is some sort of hash table, but I haven't been able to find any sort of definitive answer.
...
Syntax error on print with Python 3 [duplicate]
..., print became a function. This means that you need to include parenthesis now like mentioned below:
print("Hello World")
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AngularJS : Factory and Service? [duplicate]
...ass this service into your controller, those properties on the object will now be available in that controller through your factory. (Hypothetical Scenario)
Singleton and will only be created once
Reusable components
Factory are a great way for communicating between controllers like sharing data.
C...
No Swipe Back when hiding Navigation Bar in UINavigationController
..., so things are gonna get ugly. It looks like in iOS 13.4 this behavior is now controlled by a private method _gestureRecognizer:shouldReceiveEvent: (not to be confused with the new public shouldReceive method added in iOS 13.4).
I found that other posted solutions overriding the delegate, or set...