大约有 44,600 项符合查询结果(耗时:0.0348秒) [XML]
Scrolling a flexbox with overflowing content
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I've spoken to Tab Atkins (author of the flexbox spec) about this, and this is what we came up...
Convert command line arguments into an array in Bash
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216
Actually your command line arguments are practically like an array already. At least, you can ...
Numpy: Get random set of rows from 2D array
I have a very large 2D array which looks something like this:
7 Answers
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Filter dict to contain only certain keys?
...ctionary comprehension.
If you use a version which lacks them (ie Python 2.6 and earlier), make it dict((your_key, old_dict[your_key]) for ...). It's the same, though uglier.
Note that this, unlike jnnnnn's version, has stable performance (depends only on number of your_keys) for old_dicts of any...
Minimizing NExpectation for a custom distribution in Mathematica
...ur definition above into simple functions:
pdf[a_, b_, m_, s_, x_] := (1/(2*(a + b)))*a*b*
(E^(a*(m + (a*s^2)/2 - x))*Erfc[(m + a*s^2 - x)/(Sqrt[2]*s)] +
E^(b*(-m + (b*s^2)/2 + x))*Erfc[(-m + b*s^2 + x)/(Sqrt[2]*s)])
pdf2[a_, b_, m_, s_, x_] := pdf[a, b, m, s, Log[x]]/x;
If we plot pdf2 ...
How to initialize a vector in C++ [duplicate]
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2 Answers
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A fast method to round a double to a 32-bit int explained
... source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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Elegant Python function to convert CamelCase to snake_case?
...more):
def camel_to_snake(name):
name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower()
print(camel_to_snake('camel2_camel2_case')) # camel2_camel2_case
print(camel_to_snake('getHTTPResponseCode')) # get_http_response_code
print(camel_to_s...
Find and kill a process in one line using bash and regex
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25 Answers
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TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...序号来拼接数据)。
对于4次挥手,其实你仔细看是2次,因为TCP是全双工的,所以,发送方和接收方都需要Fin和Ack。只不过,有一方是被动的,所以看上去就成了所谓的4次挥手。如果两边同时断连接,那就会就进入到CLOSING...
