大约有 23,500 项符合查询结果（耗时：0.0310秒） [XML]
How do function pointers in C work?
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329
"functionPtr = &addInt;" can also be written (and often is) as " functionPtr = addInt;" which is also valid since the standard says th...
Map enum in JPA with fixed values?
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answered Aug 11 '14 at 15:32
PoolPool
10.6k1111 gold badges6060 silver badges7676 bronze badges
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Seedable JavaScript random number generator
...have a source for the 3600 initial states? Mersenne Twister is seeded by a 32 bit number, so the PRNG should have 4 billion initial states - only if the initial seed is truly random.
– Tobias P.
Aug 1 '12 at 14:46
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How do I determine the size of an object in Python?
...>>> sys.getsizeof(x)
24
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this')
38
>>> sys.getsizeof('this also')
48
If you are in python < 2.6 and don't have sys.getsizeof you can use this extensive module instead. Never used it though.
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How to get the current date without the time?
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llrs
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answered Jul 25 '11 at 14:00
Jon SkeetJon Skeet
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Round to at most 2 decimal places (only if necessary)
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Brian UstasBrian Ustas
45k33 gold badges2323 silver badges2020 bronze badges
407
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Is there a command to list all Unix group names? [closed]
... edited Jun 3 '19 at 18:03
miken32
32.1k1212 gold badges7171 silver badges8888 bronze badges
answered Dec 27 '12 at 19:29
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How to redirect both stdout and stderr to a file [duplicate]
....2.48.
– James Wald
Apr 10 '14 at 7:32
9
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How do I list all cron jobs for all users?
...d
13 3 * * * archiver /usr/local/bin/offsite-backup 2>&1
32 3 1 * * root /etc/cron.monthly/standard
36 4 * * * yukon /home/yukon/bin/do-daily-stuff
5 5 * * * archiver /usr/local/bin/update-logs >/dev/null
Note that it shows the user, an...
How to implement classic sorting algorithms in modern C++?
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32
@sbabbi The entire standard library is based on the principle that iterators are cheap to copy; it passes them by value, for example. If c...