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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...urns None
return z
and now:
z = merge_two_dicts(x, y)
In Python 3.9.0a4 or greater (final release date approx October 2020): PEP-584, discussed here, was implemented to further simplify this:
z = x | y # NOTE: 3.9+ ONLY
Explanation
Say you have two dictionaries and you want to mer...
NumPy array initialization (fill with identical values)
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edited Apr 5 '16 at 15:03
MSeifert
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answe...
Set environment variables from file of key/value pairs
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Add export command in the file itself:
export MINIENTREGA_FECHALIMITE="2011-03-31"
export MINIENTREGA_FICHEROS="informe.txt programa.c"
export MINIENTREGA_DESTINO="./destino/entrega-prac1"
Then you need to source in the file in current shell using:
. ./conf/prac1
OR
source ./conf/prac1
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Why doesn't 'ref' and 'out' support polymorphism?
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10 Answers
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Can a CSV file have a comment?
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120
The CSV "standard" (such as it is) does not dictate how comments should be handled, no, it's up ...
Memory address of variables in Java
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edited May 18 '17 at 20:11
Socowi
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answered D...
How do I 'git diff' on a certain directory?
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edited Jun 12 at 22:06
Peter Mortensen
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Is there an easy way to convert jquery code to javascript? [closed]
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edited Mar 30 '15 at 2:10
Salamander115
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answered Jun 11 '09 at 0:42
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
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edited Aug 8 '16 at 18:20
VanagaS
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answered Oct 19 '10 at 12:...