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Cost of exception handlers in Python
...2 usec/pass
a = 0
try:
b = 10/a
except ZeroDivisionError:
pass
0.57 usec/pass
a = 0
if a:
b = 10/a
0.04 usec/pass
a = 0
b = 10/a
ZeroDivisionError: int division or modulo by zero
So, as expected, not having any exception handler is slightly faster (but blows up in your face when the...
Why git keeps showing my changes when I switch branches (modified,added, deleted files) no matter if
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7
@JPZ: git stash only deals with tracked files; new files aren't tracked, so they won't get stashed.
– siride
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What is the difference between the hidden attribute (HTML5) and the display:none rule (CSS)?
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67
The key difference seems to be that hidden elements are always hidden regardless of the presenta...
How do I get the current Date/time in DD/MM/YYYY HH:MM format?
... shifting:
d = DateTime.now
d.strftime("%d/%m/%Y %H:%M")
#=> "11/06/2017 18:11"
d.next_month.strftime("%d/%m/%Y %H:%M")
#=> "11/07/2017 18:11"
You need to require 'date' for this btw.
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How to cancel a pull request on github?
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edited Aug 31 at 7:00
Kai Noack
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answe...
“new” keyword in Scala
...a proxy for the constructor:
class Foo { }
object Foo {
def apply() = 7
}
// These do different things
> println(new Foo)
test@5c79cc94
> println(Foo())
7
And, since you mentioned Java classes: yes -- Java classes rarely have
companion objects with an apply method, so you must use new ...
Disable Visual Studio devenv solution save dialog
...did the same for C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\devenv.exe.
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What does the '.' (dot or period) in a Go import statement do?
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tvanfossontvanfosson
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What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
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edited Apr 18 '17 at 9:43
PhoneixS
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How do I make class methods / properties in Swift?
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edited Oct 28 '15 at 13:27
answered Jun 6 '14 at 17:58
Pas...