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How to invoke the super constructor in Python?
...mond-shaped inheritance very well, since you may end up calling the shared base class's initialiser twice.
Another way is to use super(), as others have shown. For single-inheritance, it does basically the same thing as letting you call the parent's initialiser.
However, super() is quite a bit mo...
How can I get Knockout JS to data-bind on keypress instead of lost-focus?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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USB Debugging option greyed out
...ebug when linked to the computer. Check it.
– DSlomer64
Jul 22 '16 at 12:25
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count the frequency that a value occurs in a dataframe column
...columns you can use:
df.apply(pd.value_counts)
This will apply a column based aggregation function (in this case value_counts) to each of the columns.
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Round a Floating Point Number Down to the Nearest Integer?
...s because 1.9999999999999999 is actually equal to 2.0 in the internal float64 representation. I. e. it's already rounded as soon as it is parsed into a float, as a 64 bit float cannot represent that many significant digits. You can verify that with evaluating 1.9999999999999999 == 2.0. And if you su...
How to ignore xargs commands if stdin input is empty?
...SunOS sun4v
$ xargs -n1 echo blah < /dev/null
$ uname -is
Linux x86_64
$ xargs --version | head -1
xargs (GNU findutils) 4.7.0-git
$ xargs -n1 echo blah < /dev/null
blah
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Correctly determine if date string is a valid date in that format
...'2012', 'Y')); // true
var_dump(validateDate('12012', 'Y')); // false
Demo!
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Conversion from Long to Double in Java
... Naman
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answered Sep 16 '10 at 8:23
YoKYoK
13.4k44 gold badges4444...
What should main() return in C and C++?
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64
reentering main is not valid C++. Explicitly in the standard, 3.6.1.3 states 'main shall not be used within a program'
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Efficiently replace all accented characters in a string?
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Here is a more complete version based on the Unicode standard, taken from here: http://semplicewebsites.com/removing-accents-javascript
var Latinise={};Latinise.latin_map={"Á":"A",
"Ă":"A",
"Ắ":"A",
"Ặ":"A",
"Ằ":"A",
"Ẳ":"A",
"Ẵ":"A",
"Ǎ":"A",...