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How to iterate over rows in a DataFrame in Pandas
...eries):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row['c1'], row['c2'])
10 100
11 110
12 120
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What is the difference between class and instance methods?
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edited Feb 26 '10 at 17:11
answered Jun 27 '09 at 21:19
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Typedef function pointer?
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answered Nov 28 '10 at 5:13
e2-e4e2-e4
25.1k55 gold badges6565 silver badges9393 bronze badges
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Why should I prefer to use member initialization lists?
...call to a default constructor. Consider:
class A
{
public:
A() { x = 0; }
A(int x_) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the constructor for B will call the default constructor for A, and then initialize a.x ...
C pointers : pointing to an array of fixed size
...o a function is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language this is also done with references
void foo(char (&p)[10]);
).
This will enable language-level type checking, which will make sure that the array of exactly correct size is supplied as an argume...
Clearing coverage highlighting in Eclipse
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10 Answers
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How to break out of multiple loops?
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answered Oct 10 '08 at 0:25
Robert RossneyRobert Rossney
83.7k2323 gold badges134134 silver badges207207 bronze badges
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基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...$param = array(), $header = array())
{
$boundary = sprintf('%010d', mt_rand());
$header[] = "Content-Type: multipart/form-data; boundary={$boundary}";
$oauth = array(
'oauth_consumer_key' => $this->consumer_key,
'oauth_nonce' ...
URL rewriting with PHP
...omething like this:
RewriteEngine on
RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1
This will tell Apache to enable mod_rewrite for this folder, and if it gets asked a URL matching the regular expression it rewrites it internally to what you want, without the end user seeing it. ...
How to correctly implement custom iterators and const_iterators?
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edited Sep 25 '19 at 10:30
answered Aug 27 '10 at 9:11
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