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How can I add items to an empty set in python
...>>> type(D)
<type 'set'>
What you've made is a dictionary and not a Set.
The update method in dictionary is used to update the new dictionary from a previous one, like so,
>>> abc = {1: 2}
>>> d.update(abc)
>>> d
{1: 2}
Whereas in sets, it is used to a...
Difference between this and self in self-type annotations?
In various Scala literature I see some self-type annotations using "this" and others using "self":
2 Answers
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XML Document to String
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and the writer.getBuffer().toString() can just be writer.toString()
– bvdb
Jun 1 '17 at 10:23
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How to redirect Valgrind's output to a file?
... this saves just stderr, is it possible to save both stderr and stdout into same file in the same order as is written in terminal ( i.e. to keep coherence between outputs of tested program and error reported by valgrind) ?
– Prokop Hapala
Jan 20 ...
How to sort the result from string_agg()
...he question was about string_agg. Postgres was incidental to his question and he mentioned it last. The question is useful to others as well.
– nomen
Mar 5 at 17:42
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Raise warning in Python without interrupting program
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Thank you very much. And how then do I test that the Warning has been thrown using unittest? I cannot use assertRaises() anymore.
– Tomas Novotny
Oct 8 '10 at 15:14
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How to invert a grep expression
The following grep expression successfully lists all the .exe and .html files in the current directory and sub directories.
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How can I remove a pytz timezone from a datetime object?
...t you cannot compare datetime.datetime objects where one is timezone aware and another is timezone naive.
##############################################################################
# MySQL example! where MySQL doesn't support timezones with its DATETIME type!
###################################...
Undoing a commit in TortoiseSVN
...of files in different folders) by accident. What is the easiest, cleanest (and safest!) way to 'undo' that commit without having to delete the files from my working directory?
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What is the difference between and ?
What is the difference between <section> and <div> in HTML ? Aren't we defining sections in both cases?
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