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Is it Pythonic to use list comprehensions for just side effects?
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Tim Pietzcker
283k5353 gold badges435435 silver badges508508 bronze badges
answered Apr 22 '11 at 8:24
Ignacio Vazque...
How to implement __iter__(self) for a container object (Python)
...n some_list.
def __iter__(self):
yield 5
yield from some_list
Pre-3.3, yield from didn't exist, so you would have to do:
def __iter__(self):
yield 5
for x in some_list:
yield x
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How do you set your pythonpath in an already-created virtualenv?
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edited Oct 17 '18 at 20:33
answered Jan 21 '11 at 11:39
m...
How to exit from the application and show the home screen?
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327
Android's design does not favor exiting an application by choice, but rather manages it by the...
Creating an array of objects in Java
... A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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How can I use map and receive an index as well in Scala?
...ipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
List...
Create nice column output in python
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123
data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']]
col_width = max(le...
Specify JDK for Maven to use
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Sergey Brunov
11.4k77 gold badges3535 silver badges6969 bronze badges
answered Mar 23 '10 at 21:15
Pascal ThiventPascal Thivent
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Stopping a CSS3 Animation on last frame
I have a 4 part CSS3 animation playing on click - but the last part of the animation is meant to take it off the screen.
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