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Why does base64 encoding require padding if the input length is not divisible by 3?
...the purpose of padding in base64 encoding. The following is the extract from wikipedia:
3 Answers
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Alphabet range in Python
Instead of making a list of alphabet characters like this:
7 Answers
7
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How to use single storyboard uiviewcontroller for multiple subclass
...hich is connected to right navigation button of the navigation bar
From there I would like to use the storyboard as a template for other views without having to create additional storyboards. Say these views will have exactly the same interface but with root view controller of class SpecificVi...
When to use reinterpret_cast?
I am little confused with the applicability of reinterpret_cast vs static_cast . From what I have read the general rules are to use static cast when the types can be interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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Some built-in to pad a list in python
...''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
return self + [fillvalue] * (n - len(self))
a = MyList(['1'])
b = a.ljust(5, '')
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What is the difference between a HashMap and a TreeMap? [duplicate]
I started learning Java. When would I use a HashMap over a TreeMap?
8 Answers
8
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What is “rvalue reference for *this”?
Came across a proposal called "rvalue reference for *this" in clang's C++11 status page .
3 Answers
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How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet.
86 Answers
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C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ 读写xml方法整理（持续更新）c++读写xml的方法可谓是五花八门，太多了，这里对常用的几种做一个总结，附demo。1、Markup 下载：
特点：C++编写的，一个.h，一个.cpp，绿色小巧，直接加入工程源码编译，只支持MFC。
<?xml versi...
How do I get the time difference between two DateTime objects using C#?
How do I get the time difference between two DateTime objects using C#?
9 Answers
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