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How to convert a string or integer to binary in Ruby?
...reate integers 0..9 and math operators + - * / in to binary strings.
For example:
6 Answers
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Is there any haskell function to concatenate list with separator?
... there a function to concatenate elements of a list with a separator?
For example:
5 Answers
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How to perform element-wise multiplication of two lists?
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Use a list comprehension mixed with zip():.
[a*b for a,b in zip(lista,listb)]
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Configure Sublime Text on OS X to show full directory path in title bar
On Linux, Sublime Text shows the full path of my currently open file in the title bar by default, but on OS X, it only shows the name of the file.
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What's the difference between dynamic (C# 4) and var?
...ing.Length, because it doesn't know anything about s at compile time. For example, the following would compile (but not run) too:
dynamic s = "abc";
Console.WriteLine(s.FlibbleBananaSnowball);
At runtime (only), it would check for the FlibbleBananaSnowball property - fail to find it, and explode ...
Python: Why is functools.partial necessary?
....partial offer that you can't get through lambdas?
Not much in terms of extra functionality (but, see later) – and, readability is in the eye of the beholder.
Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambd...
Serializing class instance to JSON
...SON serializable.
class Foo(object):
def __init__(self):
self.x = 1
self.y = 2
foo = Foo()
s = json.dumps(foo) # raises TypeError with "is not JSON serializable"
s = json.dumps(foo.__dict__) # s set to: {"x":1, "y":2}
The above approach is discussed in this blog posting:
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What do I use for a max-heap implementation in Python?
Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python?
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C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...你调试一下，或是你把14行的printf语句改成：printf("%x\n", f.a->s);
你会看到程序不crash了。程序输出：4。 这下你知道了，访问0x4的内存地址，不crash才怪。于是，你一定会有如下的问题：1）为什么不是 13行if语句出错？f.a...
What's the difference between IQueryable and IEnumerable
...eing fairly new to .Net, I know I can query IEnumerables using the Linq extensions. So what is this IQueryable and how does it differ?
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