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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...每个向量占据 4 个字节，中断服务例程入口是以 segment:offset 形式提供的，offset 在低端，segment 在高端，整个 IVT 表从地址 0x0 - 0x3FF，占据了 1024 个字节，即 1K bytes
1.2 改变中断向量表地址
事实上，我们完全可以在实模式下更改 ...
Multiple inputs with same name through POST in php
...imply add all of the inputs to hidden fields with * separated values and resetting the input fields, but this approach is ten times better as I will be able to allow the deletion of previously added addresses if it is discovered they are incorrect.
– Adam
Oct 2...
Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
...es that target EU users have to gain opt-in consent from users before they set a cookie.
11 Answers
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What does iota of std::iota stand for?
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Its the greek letter that sometimes gets used in mathematics to denote sets of numbers or unit vectors. In the C++ case, you get a constructed vector set. Nothing to do with itoa.
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improv...
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
...s it allows you to represent (binary) data using only a limited, common-subset of the available characters, far more efficiently than just writing a string of 1s and 0s as ASCII for example.
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Prepend a level to a pandas MultiIndex
...el to the columns by adding axis=1, since the df.columns doesn't have the "set_index" method like the index, which always bugs me.
– Rutger Kassies
Feb 10 '17 at 12:32
2
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Listing all permutations of a string/integer
... short:
The permutation of 1 element is one element.
The permutation of a set of elements is a list each of the elements, concatenated with every permutation of the other elements.
Example:
If the set just has one element -->
return it.
perm(a) -> a
If the set has two characters: for
each el...
Why do some functions have underscores “__” before and after the function name?
...:
self._worker()
except tornado.web.HTTPError, e:
self.set_status(e.status_code)
except:
logging.error("_worker problem", exc_info=True)
self.set_status(500)
tornado.ioloop.IOLoop.instance().add_callback(self.async_callback(self.results))
...
and the ch...
Checking length of dictionary object [duplicate]
...get the "length" by a for..in statement on the object, since length is not set, and increment a counter.
I'm confused as to why you need the length. Are you manually setting 0 on the object, or are you relying on custom string keys? eg obj['foo'] = 'bar';. If the latter, again, why the need for len...
Rebasing a branch including all its children
...ow Perl yet!)
It's meant for more static situations - you configure it by setting config parameters of the form branch.<branch>.autorebaseparent. It won't touch any branches which don't have that config parameter set. If that's not what you want, you could probably hack it to where you want i...