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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...or] done allocating datafile /data/mongodbtest/replset/data/local.1, size: 1024MB, took 0.012 secs
Sun Dec 29 20:26:13.863 [conn3] ******
Sun Dec 29 20:26:13.863 [conn3] replSet info saving a newer config version to local.system.replset
Sun Dec 29 20:26:13.864 [conn3] replSet saveConfigLocally d...
What's the difference between console.dir and console.log?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Aug 14 '12 at 14:28
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Are there benefits of passing by pointer over passing by reference in C++?
...te answer.
– paercebal
Dec 3 '08 at 10:12
The second function call used to be annotated func2 passes by reference. Whi...
How to work around the stricter Java 8 Javadoc when using Maven
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answered Jan 15 '16 at 10:04
Fred PorciúnculaFred Porciúncula
6,87922 gold badges3232 silver badges5050 bronze badges
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Is it possible to use a div as content for Twitter's Popover
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answered Jan 18 '12 at 10:55
jävijävi
4,42111 gold badge2121 silver badges2828 bronze badges
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Why do you have to call .items() when iterating over a dictionary in Python?
... -- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value.
On the other hand, wanting to loop just on keys is quite common, e.g.:
for k in thedict:
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Why is it impossible to override a getter-only property and add a setter? [closed]
...read-only").
– Roman Starkov
Apr 3 '10 at 13:09
21
Looking at getters and setters as methods, I d...
What is memoization and how can I use it in Python?
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answered Jan 1 '10 at 15:05
jasonjason
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Most efficient way to remove special characters from string
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10
@downvoter: Why the downvote? If you don't explain what you think is wrong, it can't improve the answer.
– Guffa
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Deep copy of a dict in python
...opy)
Out[4]: 140190444170328
In [5]: id(my_copy['a'])
Out[5]: 140190444024104
In [6]: id(my_dict['a'])
Out[6]: 140190444024104
The address of the list present in both the dicts for key 'a' is pointing to same location.
Therefore when you change value of the list in my_dict, the list in my_copy ...