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Check whether a value is a number in JavaScript or jQuery [duplicate]
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function isNumber(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
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How to merge multiple lists into one list in python? [duplicate]
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Just add them:
['it'] + ['was'] + ['annoying']
You should read the Python tutorial to learn basic info like this.
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What is &&& operation in C
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It's c = i && (&i);, with the second part being redundant, since &i will never evaluate to false.
For a user-defined type, where you can actually overload unary operator &, it might be different, but it's...
ggplot does not work if it is inside a for loop although it works outside of it [duplicate]
...ggplot function which works fine outside a loop but not inside even if the iterative value does not interfere with the ggplot function. Why is it so ?
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Getting associated type synonyms with template Haskell
...ms declared in a type class? I expected reify would do what I want, but it doesn't seem to provide all the necessary information. It works for getting function type signatures:
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Convert string to variable name in python [duplicate]
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x='buffalo'
exec("%s = %d" % (x,2))
After that you can check it by:
print buffalo
As an output you will see:
2
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How do I disable text selection with CSS or JavaScript? [duplicate]
I am making a HTML/CSS/jQuery gallery, with several pages.
5 Answers
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How to copy a selection to the OS X clipboard
I have an area selected in Vim. How can I copy it into the OS X clipboard?
27 Answers
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How do I call Objective-C code from Swift?
...orm Step 2 and then skip to Step 5. (For some cases, I had to add an explicit #import <Foundation/Foundation.h to an older Objective-C File.)
Step 1: Add Objective-C Implementation -- .m
Add a .m file to your class, and name it CustomObject.m.
Step 2: Add Bridging Header
When adding your .m ...
How do I center an SVG in a div?
...v. The div has a width or 900px. The SVG has a width of 400px. The SVG has its margin-left and margin-right set to auto. Doesn't work, it just acts as if the left margin is 0 (default).
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