Top "Scope" questions

Nested templates with dependent scope

What is dependent scope and what is the meaning of typename in the context of the following error? $ make g++ …

c++ templates scope nested

Accessing outside variable using anonymous function as params

Basically I use this handy function to processing db rows (close an eye on PDO and/or other stuff) function …

php closures scope

Access extern variable in C++ from another file

I have a global variable in one of the cpp files, where I am assigning a value to it. Now …

c++ scope global extern

declare global property in QML for other QML files

I want to declare a global property in a config file and use it in other files. for example declare …

qt variables scope qml global-variables

ECMAScript 2015: const in for loops

Which of the two (or neither/ both) code fragments below should be working in a complete ECMAScript 2015 implementation: for (const …

javascript for-loop scope constants ecmascript-6

array.length is zero, but the array has elements in it

I'm currently in the process practicing using electron, but I'm quite new with javascript and I've come across a problem …

javascript arrays scope electron

What are the double colons (::) in R?

I am following a tutorial in Rbloggers and found the use of double colons, I looked online, but I couldn't …

r scope namespaces operators scoping

What is the 'global' object in NodeJS

I've just seen a weird behaviour of the this keyword in NodeJS environment. I'm listing them with code. I've run …

javascript node.js scope this global

Python: Sharing global variables between modules and classes therein

I know that it's possible to share a global variable across modules in Python. However, I would like to know …

python scope global-variables module

Rails includes with scope

I have a model called Author. An author has many Articles. Articles have a scope called .published that does: where(…

ruby-on-rails activerecord scope rails-activerecord