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How to define @Value as optional
...rownAndy Brown
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how to concatenate two dictionaries to create a new one in Python? [duplicate]
...items and call dict on the resulting list:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: exploit the dict constructor to the hilt, then one update:
$ python -mtimeit -s'd1...
Mercurial .hgignore for Visual Studio 2010 projects
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edited Jan 31 '13 at 5:45
answered Nov 4 '10 at 10:35
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Rebase feature branch onto another feature branch
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edited Oct 22 '18 at 19:54
Rafael
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Deprecation warning when using has_many :through :uniq in Rails 4
Rails 4 has introduced a deprecation warning when using :uniq => true with has_many :through. For example:
2 Answers
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Correct use of flush() in JPA/Hibernate
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if flush() sends data to the database? what happens if an exception is thrown after that? Will the entity manager rollback everything? even ...
Proper Linq where clauses
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– jahu
May 16 '14 at 12:58
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difference between offsetHeight and clientHeight
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answered Nov 5 '10 at 14:05
OdedOded
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How do I explicitly instantiate a template function?
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[EDIT 2]: Note that there was some confusion regarding the code in the original question due to ...