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What Are the Differences Between PSR-0 and PSR-4?
... I can't seem to grasp what the actual difference is between PSR-0 and PSR-4.
5 Answers
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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edited Mar 29 '18 at 14:02
cori
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answered Aug...
cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...令cpuid就是一条读取CPU各种信息的一条指令，大概是从80486的某个版本开始就存在了。 CPUID这条指令，除了用于识别CPU（CPU的型号...cpuid指令
cpuid就是一条读取CPU各种信息的一条指令，大概是从80486的某个版本开始就存在了。 CP...
Add zero-padding to a string
How do I add "0" padding to a string so that my string length is always 4?
5 Answers
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?
...'s <modelVersion></modelVersion> of pom.xml is always set to 4.0.0.
4 Answers
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What are the GCC default include directories?
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What is the optimal Jewish toenail cutting algorithm?
...ort ifilter, permutations
validseqs = ifilter(isValid, permutations([1,2,3,4,5]))
for i in validseqs:
print i
(1, 3, 5, 2, 4)
(1, 4, 2, 5, 3)
(2, 4, 1, 3, 5)
(2, 4, 1, 5, 3)
(2, 5, 3, 1, 4)
(3, 1, 4, 2, 5)
(3, 1, 5, 2, 4)
(3, 5, 1, 4, 2)
(3, 5, 2, 4, 1)
(4, 1, 3, 5, 2)
(4, 2, 5, 1, 3)
(4, 2, 5,...
What is the syntax to insert one list into another list in python?
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Do you mean append?
>>> x = [1,2,3]
>>> y = [4,5,6]
>>> x.append(y)
>>> x
[1, 2, 3, [4, 5, 6]]
Or merge?
>>> x = [1,2,3]
>>> y = [4,5,6]
>>> x + y
[1, 2, 3, 4, 5, 6]
>>> x.extend(y)
>>> x
[1, 2, 3, 4, 5, ...
Operation on every pair of element in a list
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