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Create an empty object in JavaScript with {} or new Object()?
There are two different ways to create an empty object in JavaScript:
9 Answers
9
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What it the significance of the Javascript constructor property?
Trying to bend by head around Javascript's take on OO...and, like many others, running into confusion about the constructor property. In particular, the significance of the constructor property, as I can't seem to make it have any effect. E.g.:
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How to check if two arrays are equal with JavaScript? [duplicate]
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This is what you should do. Please do not use stringify nor < >.
function arraysEqual(a, b) {
if (a === b) return true;
if (a == null || b == null) return false;
if (a.length !== b.length) return false;
// If you don't care about the order of the elements in...
How to create the perfect OOP application [closed]
Recently I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one.
12 Answers
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In C, do braces act as a stack frame?
If I create a variable within a new set of curly braces, is that variable popped off the stack on the closing brace, or does it hang out until the end of the function? For example:
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What is the Git equivalent for revision number?
...e use SVN at work, but for my personal projects I decided to use Git. So I installed Git yesterday, and I wonder what is the revision number equivalent in Git .
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Representing null in JSON
What is the preferred method for returning null values in JSON? Is there a different preference for primitives?
7 Answers
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How to find Unused Amazon EC2 Security groups
I'm try to find a way to determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups.
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Should composer.lock be committed to version control?
I'm a little confused with composer.lock used in an application with a repository.
8 Answers
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Iterate over object attributes in python
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Assuming you have a class such as
>>> class Cls(object):
... foo = 1
... bar = 'hello'
... def func(self):
... return 'call me'
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>>> obj = Cls()
calling dir on the object gives you back ...