Top "Undefined" questions

Laravel 4: PHP Fatal error: Call to undefined method Blueprint::int()

I've compiled a new installation of Laravel 4 and I'm getting this error after I generate a migration and try to …

php laravel laravel-4 undefined fatal-error

Integer overflow in C: standards and compilers

Edited to include proper standard reference thanks to Carl Norum. The C standard states If an exceptional condition occurs during …

c gcc standards undefined

jQuery .offset() returns undefined value

I built this very basic .map() function with jQuery to store the top offsets of my HTML sections in an …

jquery undefined pug offset codekit

remove null or undefined from properties of a type

I need to declare a type such that removes the undefined from its property types. Suppose we have: type Type1{ …

typescript types null undefined

Is there a JavaScript idiom to change "undefined" to "null"?

There's quite a few JavaScript idioms that coerce between types and similar things. ! can convert anything falsey to boolean true, !! …

javascript null undefined idioms coercion

Why is "this" undefined in this class method?

I've tried to search over what seems to be the entire internet, but I'm still vexed by a problem with …

javascript node.js this undefined es6-class

Error: "angular was used before it was defined" but online editors able to output the result

I couldn't get an output from this code when I ran it my local machine but the weird part is …

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How dangerous is it in JavaScript, really, to assume undefined is not overwritten?

Every time anyone mentions testing against undefined, it's pointed out that undefined is not a keyword so it could be …

javascript undefined

Python: NameError name '[input]' is not defined

I'm trying to make a simple little tool for converting inches to centimeters and am stuck at trying to take …

python undefined nameerror

A question about union in C - store as one type and read as another - is it implementation defined?

I was reading about union in C from K&R, as far as I understood, a single variable in …

c undefined undefined-behavior unions