大约有 40,000 项符合查询结果（耗时：0.0426秒） [XML]
Efficient way to remove keys with empty strings from a dict
...ctually remove the keys from an existing dictionary. Rather, it creates a new dictionary. Usually this is exactly what someone wants and is probably what the OP needs, but it is not what the OP asked for.
– Steven Rumbalski
Aug 25 '12 at 3:06
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When would you use .git/info/exclude instead of .gitignore to exclude files?
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
... unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Initialize a new 10.1 database:
initdb /usr/local/var/postgres10.1 -E utf8
run pg_upgrade (note: change bin version if you're upgrading from something other than below):
pg_upgrade -v \
-d /usr/local/var/postgres \
-D /usr/local...
Does Redis persist data?
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
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See docs.python.org/whatsnew/2.3.html#pep-285-a-boolean-type and python.org/dev/peps/pep-0285 for some of the history.
– Ned Deily
Sep 28 '10 at 19:51
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Comparison of C++ unit test frameworks [closed]
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In the first link you'll see two comparisons. Except the new framework from google, most information is (are?) still relevant. (And CppUnit is not the most interesting, it's too clumsy to use)
– Luc Hermitte
Oct 28 '08 at 12:55
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Best way to find the intersection of multiple sets?
...utput: set([1])
However, many Python programmers dislike it, including Guido himself:
About 12 years ago, Python aquired lambda, reduce(), filter() and map(), courtesy of (I believe) a Lisp hacker who missed them and submitted working patches. But, despite of the PR value, I think these featur...
Difference between application/x-javascript and text/javascript content types
... to text/javascript. You then have to commit the JS files to SVN with the new mime type.
– Mark Eldridge
Jun 2 '16 at 14:20
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
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How do I check out a remote Git branch?
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If it's a new remote branch you may need to git fetch before doing this so that git is aware of origin/test
– Neil Sarkar
Nov 4 '11 at 14:38
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