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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
... it:
new_list = old_list[:]
Alex Martelli's opinion (at least back in 2007) about this is, that it is a weird syntax and it does not make sense to use it ever. ;) (In his opinion, the next one is more readable).
You can use the built in list() function:
new_list = list(old_list)
You can use ge...
How to add multi line comments in makefiles
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answered Dec 20 '10 at 20:10
Eric MelskiEric Melski
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Python string.join(list) on object array rather than string array
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answered Jan 31 '09 at 0:10
Adam RosenfieldAdam Rosenfield
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fork() branches more than expected?
...llykwallyk
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How to convert a clojure keyword into a string?
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answered Sep 15 '10 at 15:49
kotarakkotarak
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Why does the C# compiler go mad on this nested LINQ query?
...machine) and very long time to compile (actually I get IO exception after 10 minutes).
1 Answer
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Express command not found
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With the release of Express 4.0.0 it looks like you need to do sudo npm install -g express-generator.
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Is it expensive to use try-catch blocks even if an exception is never thrown?
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206
try has almost no expense at all. Instead of doing the work of setting up the try at runtime, t...
Convert datetime object to a String of date only in Python
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508
You can use strftime to help you format your date.
E.g.,
import datetime
t = datetime.datetim...
How to index into a dictionary?
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110
Dictionaries are unordered in Python versions up to and including Python 3.6. If you do not car...