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std::next_permutation Implementation Explanation

... 172 Let's look at some permutations: 1 2 3 4 1 2 4 3 1 3 2 4 1 3 4 2 1 4 2 3 1 4 3 2 2 1 3 4 ... ...
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`elif` in list comprehension conditionals

... 259 Python's conditional expressions were designed exactly for this sort of use-case: >>>...
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C# short/long/int literal format?

... 1.0d; // double var d0 = 1.0; // double var d1 = 1e+3; // double var d2 = 1e-3; // double var f = 1.0f; // float var m = 1.0m; // decimal var i = 1; // int var ui = 1U; // uint var ul = 1UL; // ulong var l = 1L; // long I think that's all... there are no literal specifiers ...
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Call by name vs call by value in Scala, clarification needed

... => Int). def callByValue(x: Int) = { println("x1=" + x) println("x2=" + x) } def callByName(x: => Int) = { println("x1=" + x) println("x2=" + x) } Now what happens when we call them with our side-effecting function? scala> callByValue(something()) calling something x1=1 x2=1 ...
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Implementing slicing in __getitem__

... 121 The __getitem__() method will receive a slice object when the object is sliced. Simply look at ...
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Extract first item of each sublist

... 201 Using list comprehension: >>> lst = [['a','b','c'], [1,2,3], ['x','y','z']] >>...
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?

... 492 Yes, the order of elements in a python list is persistent. ...
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Python set to list

... 245 Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2): >>> a = s...
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Is ASCII code 7-bit or 8-bit?

...d me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code? ...
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Find XOR of all numbers in a given range

... 152 This is a pretty clever solution -- it exploits the fact that there is a pattern of results in t...