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Master-master vs master-slave database architecture?
... this is that it is very hard to preserve absolute consistency. See the wikipedia article for more.
Wikipedia seems to have a nice summary of the advantages and disadvantages
Advantages
If one master fails, other masters will continue to update the
database.
Masters can be located ...
403 Forbidden vs 401 Unauthorized HTTP responses
...as. I typically use this status code for resources that are locked down by IP address ranges or files in my webroot that I don't want direct access to (i.e. a script must serve them).
– Kyle
May 9 '13 at 13:20
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Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...
...等许多领域，极大地丰富了C++的功能和表现力，能够使C++软件开发更加简洁、优雅、灵活和高效。
《Boost程序库完全开发指南：深入C++"准"标准库》基于Boost1.42版，介绍了其中的所有99个库，并且详细深入地讲解了其中数十个库...
Difference between open and codecs.open in Python
...gns) and even diaeresis (¨). Don't be naïve! (And let's not forget the Façade design pattern!)
Because pure ASCII is not a real option, open() without an explicit encoding is only useful to read binary files.
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创业 比“直男癌”更可怕的是“技术癌” - 资讯 - 清泛网 - 专注C/C++及内核技术
...结合当时方兴未艾的RFID技术做了一整套的生猪养殖过程监控系统。他们的解决方案是这样的：给每一头猪都打上一个RFID耳标，而后通过后台管理系统自动追踪每一头猪的喂养和用药情况。当时的一个RFID猪耳标售价二三十元，再...
What's the difference between streams and datagrams in network programming?
...datagram socket when order is less important than timely delivery (think VoIP or game protocols), when you don't want the higher overhead of a stream (this is why DNS is primarily a datagram protocol, so that servers can respond to many, many requests at once very quickly), or when you don't care to...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
... a second timeout like in @xiaohouzi79 answer.
– François
Sep 24 '14 at 13:52
2
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How to read a .xlsx file using the pandas Library in iPython?
I want to read a .xlsx file using the Pandas Library of python and port the data to a postgreSQL table.
6 Answers
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Python argparse command line flags without arguments
...ed Oct 24 '19 at 13:12
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Nov 24 '11 at 15:01
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Convert two lists into a dictionary
...ed Sep 13 '17 at 11:48
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Oct 16 '08 at 19:16
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