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How to iterate over a JavaScript object?
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edited Nov 3 '19 at 12:50
Beachhouse
4,46722 gold badges2222 silver badges3434 bronze badges
answer...
What is the source code of the “this” module doing?
...is is called rot13 encoding:
d = {}
for c in (65, 97):
for i in range(26):
d[chr(i+c)] = chr((i+13) % 26 + c)
Builds the translation table, for both uppercase (this is what 65 is for) and lowercase (this is what 97 is for) chars.
print "".join([d.get(c, c) for c in s])
Prints the t...
How can I include a YAML file inside another?
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jameshfisherjameshfisher
24.3k2020 gold badges8484 silver badges137137 bronze badges
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How to get the first column of a pandas DataFrame as a Series?
...>>> import pandas as pd
>>> df = pd.DataFrame({'x' : [1, 2, 3, 4], 'y' : [4, 5, 6, 7]})
>>> df
x y
0 1 4
1 2 5
2 3 6
3 4 7
>>> s = df.ix[:,0]
>>> type(s)
<class 'pandas.core.series.Series'>
>>>
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Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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Logical XOR operator in C++?
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answered Oct 20 '09 at 19:03
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
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C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...****************************
* 简单选择排序
* 稳定排序，O{n^2} ~ O{n^2}
* 从首位开始，循环一次找出一个比首位小的值，交换
*
* https://www.tsingfun.com
************************************/
#include<stdio.h>
#include<stdlib.h>
/*
第一种形式的选...
Encode URL in JavaScript?
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2847
Check out the built-in function encodeURIComponent(str) and encodeURI(str).
In your case, thi...
Peak-finding algorithm for Python/SciPy
... matplotlib.pyplot as plt
from scipy.signal import find_peaks
x = np.sin(2*np.pi*(2**np.linspace(2,10,1000))*np.arange(1000)/48000) + np.random.normal(0, 1, 1000) * 0.15
peaks, _ = find_peaks(x, distance=20)
peaks2, _ = find_peaks(x, prominence=1) # BEST!
peaks3, _ = find_peaks(x, width=20)
p...
'uint32_t' identifier not found error
...Wikipedia page on the header, it hasn't shipped with Visual Studio until VS2010.
In the meantime, you could probably fake up your own version of the header by adding typedefs that map Microsoft's custom integer types to the types expected by C. For example:
typedef __int32 int32_t;
typedef unsign...