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Filtering for empty or NULL names in a queryset
...ding as it stands.
– shezi
Jan 20 '13 at 16:29
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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...以简单的通过include "...目录：
1. 同步Timer
2. 异步Timer
3. 回调函数的参数
4. 成员函数作为回调函数
5. 多线程回调同步
6. TCP客户端:对准时间
7. TCP同步时间服务器
1. 同步Timer
本章介绍asio如何在定时器上进行阻塞等待(blocki...
Saving an Object (Data persistence)
...change the import statement to this:
import cPickle as pickle
In Python 3, cPickle was renamed _pickle, but doing this is no longer necessary since the pickle module now does it automatically—see What difference between pickle and _pickle in python 3?.
The rundown is you could use something li...
Python JSON serialize a Decimal object
I have a Decimal('3.9') as part of an object, and wish to encode this to a JSON string which should look like {'x': 3.9} . I don't care about precision on the client side, so a float is fine.
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How to provide user name and password when connecting to a network share
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answered Nov 17 '08 at 14:39
Mark BrackettMark Brackett
80.2k1717 gold badges101101 silver badges149149 bronze badges
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The tilde operator in Python
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edited Apr 23 '12 at 22:55
answered Nov 29 '11 at 3:02
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
15
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How does the @property decorator work in Python?
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13 Answers
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Active
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How to get the original value of an attribute in Rails
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243
Before rails 5.1
Appending _was to your attribute will give you the previous value.
For rails ...
Mongoose populate after save
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136
You should be able to use the Model's populate function to do this: http://mongoosejs.com/docs/...