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How to add months to a date in JavaScript? [duplicate]
...ry to add months to a date handling edge cases (leap year, shorter months, etc):
Date.isLeapYear = function (year) {
return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0));
};
Date.getDaysInMonth = function (year, month) {
return [31, (Date.isLeapYear(year) ? 29 ...
Groovy / grails how to determine a data type?
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To determine the class of an object simply call:
someObject.getClass()
You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...
What are the differences between type() and isinstance()?
...identity of types and rejects instances of subtypes, AKA subclasses).
Normally, in Python, you want your code to support inheritance, of course (since inheritance is so handy, it would be bad to stop code using yours from using it!), so isinstance is less bad than checking identity of types because...
What is the difference between DSA and RSA?
...being a bit more complex than,
but related to El Gamal.
Note that nearly all the calculations are mod q, and
hence are much faster.
But, In contrast to RSA, DSA can be used only for digital signatures
DSA Security
The presence of a subliminal channel exists in many schemes (any that need a ran...
Create a matrix of scatterplots (pairs() equivalent) in ggplot2
...g ggplot 's nice features like mapping additional factors to color, shape etc. and adding smoother?
3 Answers
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.prop() vs .attr()
...ght to a thorough description of the property, where its value comes from, etc.
– T.J. Crowder
May 4 '11 at 13:30
4
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Position Relative vs Absolute?
...parent needs to be 'not static' - so the parent can be relative, absolute, etc...the advantage of using parent-relative, is that it doesn't remove the element from the doc.
– Fernando
Sep 30 '13 at 0:38
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Checking if a variable is not nil and not zero in ruby
...rs... great power/responsibility, monkey patching leading to the dark side etc.
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How to center align the cells of a UICollectionView?
...nt, you could adjust that one too, if you want to center the content vertically in the screen.
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How do I force a UITextView to scroll to the top every time I change the text?
...here's too much hoop jumping to get things to behave the way they automatically should in most cases.
– John Contarino
Jun 9 '15 at 21:52
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