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How best to determine if an argument is not sent to the JavaScript function
....length or using the || operator to provide default values - one can also explicitly check the arguments for undefined via argument2 === undefined or typeof argument2 === 'undefined' if one is paranoid (see comments).
Using the || operator has become standard practice - all the cool kids do it - bu...
Determine if string is in list in JavaScript
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You can call indexOf:
if (['a', 'b', 'c'].indexOf(str) >= 0) {
//do something
}
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nano error: Error opening terminal: xterm-256color
After the installation of OSX Lion, I tried to:
10 Answers
10
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
...eans that an assignment or function call up above failed or returned an unexpected result.
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
... Sed but need this command (which works fine on Ubuntu) to work on a Mac OSX:
4 Answers
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Why does 2 mod 4 = 2?
...ign % is often used for the modulo operator, in lieu of the word mod.
For x % 4, you get the following table (for 1-10)
x x%4
------
1 1
2 2
3 3
4 0
5 1
6 2
7 3
8 0
9 1
10 2
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How to get a random value from dictionary in python
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That will work in Python 2.x where d.keys() is a list, but it won't work in Python 3.x where d.keys() is an iterator. You should do random.choice(list(d.keys())) instead.
– Duncan
Feb 1 '11 at 9:42
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When should you use a class vs a struct in C++?
...e default private members and bases. Both classes and structs can have a mixture of public, protected and private members, can use inheritance and can have member functions.
I would recommend using structs as plain-old-data structures without any class-like features, and using classes as aggregate ...
Type definition in object literal in TypeScript
In TypeScript classes it's possible to declare types for properties, for example:
9 Answers
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Resolve conflicts using remote changes when pulling from Git remote
... to me and git ;-). Seriously though, thanks a million. Your answer's are exactly what I was looking for.
– David Tuite
Jan 27 '11 at 15:23
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