scope

Greasemonkey jQuery scope issue

Why do I get a 1, then a 0 when this script runs in greasemonkey: //jQuery source code..... alert(jQuery('body').size()); (function(jQuery){ var find = jQuery.find; jQuery.find = function(selector, context){ return find(selector, context); }; })(jQuery); alert(jQuery('body').size()); ...

Help with calling an internal method of a jQuery plugin

I've written a plugin to highlight terms used to find a page. The source is also available. My problem is, if you look at the first link's inline JavaScript, I've made a custom textPlacement function to handle the insertion of the display bar (it looks a bit like Stack Overflow's). As you can see, I have an event handler on the button ...

In JSP, is there a way to see all available variables in the specific scope like in PHP?

Or better yet how do I dump all the variables in a given scope in jsp? (In php you can use a function call to see all the system, global and user-defined vars and functions available...) ...

friendship scope c++

In section 11.5.1 of "The C++ Programming Language", Bjarne Stroustrup writes: Like a member declaration, a friend declaration does not introduce a name into an enclosing scope. For example: class Matrix { friend class Xform; friend Matrix invert (const Matrix &); //.. }; Xform x; // error: no Xform in scope Matrix (*p...

Rails: Why is with_exclusive_scope protected? Any good practice on how to use it?

Given a model with *default_scope* to filter all outdated entries: # == Schema Information # # id :integer(4) not null, primary key # user_id :integer(4) not null, primary key # end_date :datetime class Ticket < ActiveRecord::Base belongs_to :user default_scope :conditions => "tickets.end_date >...

Difference between 'using' and scoping?

What is the difference between the following two snippets of code: using (Object o = new Object()) { // Do something } and { Object o = new Object(); // Do something } I have started using using a lot more but I am curious as to what the actually benefits are as compared to scoping objects. Edit: Useful tidbits I took ...

Python Scoping/Static Misunderstanding

I'm really stuck on why the following code block 1 result in output 1 instead of output 2? Code block 1: class FruitContainer: def __init__(self,arr=[]): self.array = arr def addTo(self,something): self.array.append(something) def __str__(self): ret = "[" for item in sel...

Can I access the __dict__ object for the local scope?

Here is my situation... I am trying to dynamically generate a bunch of stuff in my settings.py file on a django site. I am setting up several sites, (via sites framework) and I want to have some values I plug in to a function that will generate a portion of the settings file for each site. for example: from universal_settings import ...

Variable Scope in C#

My web service program is supposed to generate a random code and return it to the client program. Right now it returns "" as the code instead of the randomly generated code. What is wrong with my variable scopes? Thanks. public class Service1 : System.Web.Services.WebService { private string code = ""; [WebMethod] public vo...

not declared in this scope

I'm getting an error msg DataReader.h:13: error: 'String' was not declared in this scope DataReader.cpp:5: error: redefinition of 'std::vector<Data*, std::allocator<Data*> > DataReader' DataReader.h:13: error: 'std::vector<Data*, std::allocator<Data*> > DataReader' previously declared here DataReader.cpp:5: error: 'String' was not decla...

Actionscript 2 Problem with Buttons not working from Dynamically AttachMovie

Hi guys, I'm trying to populate a list of buttons with results from a xml picture list in AS2. These buttons will load the resulting image from the xml. I'm populating the buttons by first getting the number of results in the xml, and then using a for loop to attachMovie the require number of buttons and assign the actions to them. Th...

jQuery Callback Scope

Lets say I have this code $(document).ready(function() { $('.checkbox').change(function() { $('.hidden').slideUp('slow', function() { alert(checkbox value); } } } How do I access the checkboxes value? $(this) doesn't work as you're now in the .hidden element? ...

WordPress Theme variables scope

I need to create a variable that can be accessed throughout my WordPress Theme template files (index.php, header.php etc..). I know function definitions go inside the functions.php template file (in your theme path), but there's no such thing for variables. For example I constantly need to retrieve Categories in my Theme, so I would li...

[Oracle] Type reference scope

Hello, I'm studying databases and am currently working on a object-relational DB project and I've encountered a small problem with the number of possible constraints in an object table. I'm using "Database Systems: The Complete Book" by Hector Garcia-Molina (and other authors) as a reference and there's a general SQL example like this: ...

In ActionScript 3, how can I pass the current value of an array in a loop to an event listener

Code Example: var gospels : Array = ["john", "mark", "matthew", "paul"]; for each (var book : String in gospels) { var loader : URLLoader = new URLLoader(); loader.load(new URLRequest("http://example.com/" + name)); trace(book) // outputs current value of array loader.addEventListener(Event.COMPLETE, function(e : Event) : voi...

Python decorators and class methods and evaluation -- django memoize

I have a working memoize decorator which uses Django's cache backend to remember the result of a function for a certain amount of time. I am specifically applying this to a class method. My decorator looks like: def memoize(prefix='mysite', timeout=300, keygenfunc=None): # MUST SPECIFY A KEYGENFUNC(args, kwargs) WHICH MUST RETURN A ST...

Ruby + Tk command binding - scope issue?

So I have this app require 'tk' class Foo def my_fancy_function puts "hello, world!" end def initialize @root = TkRoot.new{title "Hello, world!"} frame = TkFrame.new my_fancy_button = TkButton.new(frame) do text "Press meee" command {my_fancy_function} pack end frame.pack Tk.mainloop ...

Adding elements to a vector inside a c++ class not being stored

Edit: My debugger was lying to me. This is all irrelevant Howdy all, I had a peek at http://stackoverflow.com/questions/637438/adding-element-to-vector, but it's not helpful for my case. I'm trying to add an element (custom class LatLng) to another object (Cluster) from a third object (ClusterManager). When I pass my LatLng to Clust...

Do stack-based languages have a concept of scope?

Do stack-based languages have a concept of scope? It would seem to me that if function parameters are placed on the stack before the function executes, that they do in an unorthodox sort of way. Or, I could be trying to impose an abstraction that doesn't quite fit. ...

preventing data from being freed when vector goes out of scope

Is there a way to transfer ownership of the data contained in a std::vector (pointed to by, say T*data) into another construct, preventing having "data" become a dangling pointer after the vector goes out of scope? EDIT: I DON'T WANT TO COPY THE DATA (which would be an easy but ineffective solution). Specifically, I'd like to have some...