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How do I do an OR filter in a Django query?
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Alex KoshelevAlex Koshelev
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Creating an empty Pandas DataFrame, then filling it?
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improv...
Visualizing branch topology in Git
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edited Apr 14 at 16:10
Peter Mortensen
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Iterate over the lines of a string
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Here are three possibilities:
foo = """
this is
a multi-line string.
"""
def f1(foo=foo): re...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...似的长连接+心跳策略，WIFI和手机网络下的心跳间隔都为4分45秒，心跳5次后，主动断开连接再重连。
在支持GCM的设备上，主要靠GCM来激活WhatsApp，WhatsApp启动后，会建立一个与服务器的长连接，直接通过此长连接发送Push消息，...
difference between Product Backlog Item and Feature in Team Foundation work item types
... which I am basing this answer on... http://www.nsilverbullet.net/2013/06/04/features-help-us-plan-work-better-in-team-foundation-service-scrum-process/
Should you create a Feature or a Product Backlog Item?
If you think/hope that the new work item that you are going to create will fit into a sin...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
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}复制代码
你编译一下上面的代码，在VC++和GCC下都会在14行的printf处crash掉你的程序。@Laruence 说这个是个经典的坑，我觉得这怎么会是经典的坑呢？上面这代码，你一定会问，为什么if语句判断的不是f.a？而是f.a里面的数组？写...
Rule-of-Three becomes Rule-of-Five with C++11?
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edited Oct 16 '18 at 9:04
Sebastian Mach
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What is the difference between char array and char pointer in C?
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gsamaras
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answered Apr 17 '12 at 7:15
JonJon
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How to install mongoDB on windows?
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SHM
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answered Mar 9 '10 at 7:47
shingarashingara
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