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importing pyspark in python shell
...answered, so I thought I'd re-ask it here, as I have the same issue. (See http://geekple.com/blogs/feeds/Xgzu7/posts/351703064084736)
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...hed:new()
if not memc then
ngx.log(ngx.ERR, err)
ngx.exit(ngx.HTTP_SERVICE_UNAVAILABLE)
end
if timeout then
memc:set_timeout(timeout)
end
local ok, err = memc:connect(host, port)
if not ok then
ngx.log(ngx.ERR, err)
ngx.exit(ngx.HTTP_SERVICE_UNAVAILABLE)
end
...
Fastest way to get the first object from a queryset in django?
...eturn None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant.
...
Error installing mysql2: Failed to build gem native extension
...alled you might need them to get your MySQL going
vcredist_x86.exe -> http://www.microsoft.com/download/en/details.aspx?id=5555
dotNetFx40_Full_x86_x64.exe -> http://www.microsoft.com/download/en/details.aspx?id=17718
Use default install
Developer Machine
-MySQL Server Config-
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How to get the current directory in a C program?
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Regular expressions in an Objective-C Cocoa application
...e one in the Colloquy IRC client as it has been upgraded to use PCRE 6.7:
http://colloquy.info/project/browser/trunk/Frameworks/AGRegex
It's very lightweight, much more so than RegExKit (although not as capable of course).
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Elegant ways to support equivalence (“equality”) in Python classes
When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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How do I break out of a loop in Scala?
...urn would skip the whole loop.
Scala 2.8 however includes a way to break
http://www.scala-lang.org/api/rc/scala/util/control/Breaks.html
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_=> what does this underscore mean in Lambda expressions?
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One-liner to check whether an iterator yields at least one element?
... Similarly if you need to check if the iterator is empty, one could use all(False for _ in iterator) will check if the iterator is empty. (all returns True if the iterator is empty, otherwise it stops when it sees the first False element)
– KGardevoir
Apr 3 ...