Top "Scope" questions

How to force addition instead of concatenation in javascript

I'm trying to add all of the calorie contents in my javascript like this: $(function() { var data = []; $( "#draggable1" ).draggable(); $( "#draggable2" ).…

jquery scope concatenation addition

AngularJS: How to pass arguments/functions to a directive?

Look at this Fiddle, what do I have to change, that the expressions in the template get evaluated using the …

javascript html controller scope angularjs

scopes with lambda and arguments in Rails 4 style?

I'm wondering how the following is done in Rails 4 or if I just use the Rails 3 approach for using a …

ruby-on-rails-4 scope rails-activerecord

Scoping in Python 'for' loops

I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is …

python scope

Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?

Using Spring's Java Config, I need to acquire/instantiate a prototype-scoped bean with constructor arguments that are only obtainable at …

java spring scope prototype spring-java-config

Bash variable scope

Please explain to me why the very last echo statement is blank? I expect that XCODE is incremented in the …

bash scope pipe

How can I return a variable from a $.getJSON function

I want to return StudentId to use elsewhere outside of the scope of the $.getJSON() j.getJSON(url, data, function(…

javascript jquery ajax scope return-value

Can't access global variable inside function

This (simplified version of my code) doesn't work: <?php $sxml = new SimpleXMLElement('<somexml/>'); function foo(){ $…

php variables scope global-variables

How to access outer class from an inner class?

I have a situation like so... class Outer(object): def some_method(self): # do something class Inner(object): def __init__(…

python scope nested inner-classes

Define all functions in one .R file, call them from another .R file. How, if possible?

How do I call functions defined in abc.R file in another file, say xyz.R? A supplementary question is, …

r file scope namespaces user-defined-functions