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Implementing slicing in __getitem__
...f new range objects (as it does):
>>> range(1,100, 4)[::-1]
range(97, -3, -4)
We can't subclass range because of internal limitations, but we can delegate to it:
class Range:
"""like builtin range, but when sliced gives a list"""
__slots__ = "_range"
def __init__(self, *args):
...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中心和DNS重定向解析中心，负责全局负载均衡，设备系统安装在管理中心机房，边缘主要指异地节点，CDN分发的载体，主要由Cache和负载均衡器等组成。
当用户访问加入CDN服务的网站时，域名解析请求将最终交给全局负载均衡DN...
Getting multiple keys of specified value of a generic Dictionary?
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DomenicDomenic
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Difference between 'struct' and 'typedef struct' in C++?
...n ISO C++, "class foo()" is an illegal construct (the article was written '97, before standardization, it seems). You can put "typedef class foo foo;" into main, then you can say "foo();" (because then, the typedef-name is lexically closer than the function's name). Syntactically, in T(), T must be ...
A migration to add unique constraint to a combination of columns
...unnable example: https://gist.github.com/Dorian/9d641ca78dad8eb64736173614d97ced
db/schema.rb generated: https://gist.github.com/Dorian/a8449287fa62b88463f48da986c1744a
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How does collections.defaultdict work?
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97
defaultdict
"The standard dictionary includes the method setdefault() for retrieving a value a...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
... edited Dec 19 '13 at 16:06
icc97
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answered Mar 7 '12 at 11:22
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
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97
Eric, while I greatly respect you as a professional and appreciate your feedback, I can't help but be frustrated by what comes across as an...
Why does the 260 character path length limit exist in Windows?
... me wonder what is the point of this change.
– raymai97
Jun 29 '17 at 7:43
Note that the claim that the system setting...
Why is lazy evaluation useful?
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Mostly because it can be more efficient -- values don't need to be computed if they're not goin...