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How to initialize a vector in C++ [duplicate]
...is with an array:
int vv[2] = { 12,43 };
std::vector<int> v(&vv[0], &vv[0]+2);
Or, for the case of assignment to an existing vector:
int vv[2] = { 12,43 };
v.assign(&vv[0], &vv[0]+2);
Like James Kanze suggested, it's more robust to have functions that give you the beginni...
What's the difference between design patterns and architectural patterns?
... |
edited Feb 11 at 1:03
ivanjermakov
57455 silver badges1515 bronze badges
answered Nov 22 '10 at 7...
How to change the font size on a matplotlib plot
...
craymichael
2,96611 gold badge1010 silver badges2121 bronze badges
answered Oct 10 '10 at 11:49
Herman SchaafHerman Schaaf
...
Comparing date part only without comparing time in JavaScript
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803
I'm still learning JavaScript, and the only way that I've found which works for me to compare t...
What is the difference between an expression and a statement in Python?
...hich can be any Python object. Examples:
3 + 5
map(lambda x: x*x, range(10))
[a.x for a in some_iterable]
yield 7
Statements (see 1, 2), on the other hand, are everything that can make up a line (or several lines) of Python code. Note that expressions are statements as well. Examples:
# all t...
count the frequency that a value occurs in a dataframe column
...['freq'] = df.groupby('a')['a'].transform('count')
df
Out[41]:
a freq
0 a 2
1 b 3
2 s 2
3 s 2
4 b 3
5 a 2
6 b 3
[7 rows x 2 columns]
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How to check Django version
...nsole and type
>>> import django
>>> django.VERSION
(2, 0, 0, 'final', 0)
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In Python, if I return inside a “with” block, will the file still close?
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edited Dec 12 '12 at 17:01
answered Mar 27 '12 at 7:42
Th...
Get loop counter/index using for…of syntax in JavaScript
...tion (value, i) {
console.log('%d: %s', i, value);
});
// Outputs:
// 0: 123
// 1: 15
// 2: 187
// 3: 32
Or ES6’s Array.prototype.entries, which now has support across current browser versions:
for (const [i, value] of myArray.entries()) {
console.log('%d: %s', i, value);
}
For itera...
Python __str__ versus __unicode__
...ethod:
def __str__(self):
return unicode(self).encode('utf-8')
In 3.0, str contains characters, so the same methods are named __bytes__() and __str__(). These behave as expected.
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