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Check if OneToOneField is None in Django
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Django 1.5. But I solved my particular issue by implementing what I wanted to do in a whole different way.
– alexpirine
Jul 3 '13 at 13:30
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FFmpeg: How to split video efficiently?
...es have a negligible difference.
The two command version should be quicker by adding another -ss before the input file for the a 'fast seek' followed by the more accurate slow seek.
share
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improve...
Eclipse - Unable to install breakpoint due to missing line number attributes
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Even your app not web, solution is Ok, by make Installed JREs default is JDK instead of JRE
– ahmednabil88
Oct 25 '18 at 8:14
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How can I generate a list or array of sequential integers in Java?
...List() there unless you really needed a List... the ContiguousSet produced by asSet is lightweight (it just needs the range and the domain), but asList() will create a list that actually stores all the elements in memory (currently).
– ColinD
Apr 20 '12 at 12:3...
When to use nested classes and classes nested in modules?
... class Wheel { }
}
only methods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the name of the class Wheel vs. Car::Wheel. This difference in name can make explicit to ...
R programming: How do I get Euler's number?
...ooking for e (natural base of the natural logarithm), click here. Actually by looking the detail of question, it is the person who ask this question don't know the difference between e and euler's constant. I feel uncomfortable that we have a question with title doesn't agree with content..
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Creating a copy of a database in PostgreSQL [closed]
...till, you may get:
ERROR: source database "originaldb" is being accessed by other users
To disconnect all other users from the database, you can use this query:
SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity
WHERE pg_stat_activity.datname = 'originaldb' AND pid <>...
Example use of “continue” statement in Python?
...** 2 <= 0:
continue
lots()
of()
code()
here()
By doing it this way I avoid very deeply nested code. Also, it is easy to optimize the loop by eliminating the most frequently occurring cases first, so that I only have to deal with the infrequent but important cases (e.g. d...
How to recursively download a folder via FTP on Linux [closed]
...user@login" --password="Pa$$wo|^D" ftp://server.com/
EDIT
As pointed out by @asmaier, watch out that even if -r is for recursion, it has a default max level of 5:
-r
--recursive
Turn on recursive retrieving.
-l depth
--level=depth
Specify recurs...
Can I use assert on Android devices?
...assert keyword” which — unlike junit.framework.Assert can be optimized by the JIT. And for this very reason I came here. Hope some of the other answers will be more helpful.
– Martin
Apr 26 '11 at 9:15
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