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jquery how to empty input field
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423
You can clear the input field by using $('#shares').val('');
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Applying function with multiple arguments to create a new pandas column
...gt;>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function ...
Check for array not empty: any?
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Marcel JackwerthMarcel Jackwerth
48.3k88 gold badges6969 silver badges8787 bronze badges
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How do I select elements of an array given condition?
Suppose I have a numpy array x = [5, 2, 3, 1, 4, 5] , y = ['f', 'o', 'o', 'b', 'a', 'r'] . I want to select the elements in y corresponding to elements in x that are greater than 1 and less than 5.
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See “real” commit date in github (hour/day)
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305
Hover your mouse over the 2 years ago and you'll get the timestamp.
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C# Thread safe fast(est) counter
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263
This would be simpler:
return Interlocked.Increment(ref COUNTER);
MSDN Interlocked.Increment
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how to permit an array with strong parameters
I have a functioning Rails 3 app that uses has_many :through associations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version.
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JavaScript closure inside loops – simple practical example
...lock-scoping post as a great source of information.
for (let i = 0; i < 3; i++) {
funcs[i] = function() {
console.log("My value: " + i);
};
}
Beware, though, that IE9-IE11 and Edge prior to Edge 14 support let but get the above wrong (they don't create a new i each time, so all the funct...
Apache2: 'AH01630: client denied by server configuration'
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AmazingDreams
2,66311 gold badge1818 silver badges3030 bronze badges
answered Oct 25 '13 at 11:37
Jayakumar BellieJayak...
How to display the current year in a Django template?
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328
The full tag to print just the current year is {% now "Y" %}. Note that the Y must be in quote...