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Why is a pure virtual function initialized by 0?
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The reason =0 is used is that Bjarne Stroustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of ...
Java regex capturing groups indexes
... e.g. (\.\w+)+, or to specify where alternation should take effect, e.g. ^(0*1|1*0)$ (^, then 0*1 or 1*0, then $) versus ^0*1|1*0$ (^0*1 or 1*0$).
A capturing group, apart from grouping, will also record the text matched by the pattern inside the capturing group (pattern). Using your example, (.*):...
How to convert a Binary String to a base 10 integer in Java
...ithout leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider:
9 Answers
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
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200
In version 1.9.0.1:
1: Major revision (new UI, lots of new features, conceptual change, etc.)...
What characters are valid for JavaScript variable names?
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1000
+50
To quot...
What is Weak Head Normal Form?
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404
I'll try to give an explanation in simple terms. As others have pointed out, head normal form d...
How to use hex color values
...f, green ff and blue ff. You can write hexadecimal notation in Swift using 0x prefix, e.g 0xFF
To simplify the conversion, let's create an initializer that takes integer (0 - 255) values:
extension UIColor {
convenience init(red: Int, green: Int, blue: Int) {
assert(red >= 0 &&...
Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
...imary: #222222;
--secondary: #ffffff;
--tertiary: #0088cc;
--quaternary: #e45735;
--highlight: #ffff4d;
--success: #009900;
}
}
/* then deal with dark scheme */
@media (prefers-color-scheme: dark) {
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How to give border to any element using css without adding border-width to the whole width of elemen
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Anne
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answered Nov 29 '11 at 23:22
abensonabenson
2,37211 gold bad...
Numpy - add row to array
...pare its row to a number: i < 3?
EDIT after OP's comment:
A = array([[0, 1, 2], [0, 2, 0]])
X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where the first element < 3:
import numpy as np
A = np.vstack((A, X[X[:,0] < 3]))
# returns:
array([[0, 1, 2],
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