Python - append vs. extend
What is the difference between the list methods append and extend? ...
What is the difference between the list methods append and extend? ...
Can I call a function from lisp from a library written in c or c++? How can I extend lisp? This is useful when you want to do some system calls or stuff like that. ...
Hey everyone, I'm developing a python framework that would have "addons" written as separate packages. I.e.: import myframework from myframework.addons import foo, bar Now, what I'm trying to arrange is so that these addons can be distributed separately from core framework and injected into myframework.addons namespace. Currently my...
Why does python 2.5.2 have the following behavior >>>[2].extend([]) == [2] False >>> [2].extend([]) == None True $ python --version Python 2.5.2 I assume I'm not understanding something here, but intuitively I'd think that [2].extend([]) should yield [2] ...
I'm trying to extend all dom elements so i can get and remove their children. The function is below (works in FF and Chrome). Is there an equivalent in IE7 to extend the base dom object? if (!Element.get) { Element.prototype.get = function(id) { for (var i = 0; i < this.childNodes.length; i++) { if (this.childNodes[i].id == id) { ...
I don't know how to extend the map object with prototype and hope you can help. I have something like this: var map = {'one':1, 'two':2}; and I would like to have a method to check for the existence of a key: if (map.containsKey('one')){...} How would I extend the map object? ...
Hi, this is a pretty basic question but I can't seem to get it right. If I want to extend an existing component, what is the right way to do it? For example, this thread talks about it, but doesn't give an example: http://stackoverflow.com/questions/710646/flex-datechooser-events-for-individual-days A simple example of just adding a tr...
I have created an extended TreeView that overrides the CreateNode method to return an extened TreeNode like so public class SiteMapTreeView : System.Web.UI.WebControls.TreeView { protected override TreeNode CreateNode() { return new SiteMapTreeNode(); } } The problem is that the overridden RenderPreText method on t...
I normally extend one of these classes when I want to control it - but would I be better off creating a class that composes one? What are the advantages and disadvantages? ...
Having some trouble extending an object instance with a module, specifically when I define an extend_object callback in the Module class. My understanding is that when you do something like: (s = String.new).extend SomeModule The SomeModule extend_object callback is called. This seems to be the case, but when I include a callback, no...
I have a class that contains some private attributes. What I would like to do is to dynamically add some setters for these only for the execution of a specific block. Example of what I would like to be able to: class Content attr_reader :a, :b def initialize @a = 1 @b = "plop" end def set(&block) extend(Setter) ...
After feedback, complete rewrite of the question. I have the following mark up : <body> <h1>Title</h1> <p>bla</p> <div> ... <!-- a thousand tags --> </div> <div id="do-not-modify-me"> <!-- a hundred tags --> </div> </body> I can access to : <h1>Title</h1> <p>bla</p> <div> ... <!-- a thousand tags --> ...
I'm writing a small CMS as a jQuery AJAX plugin and though it's by no means excessively long (currently about 500 lines) I can see it would be nice to be able to split it into separate files, one for each "subclass": (function($) { $.fn.myCMS = function() { this.classOne = function() { ... } this.classTwo = function() { ... ...
Hello all, Is there a way to add (or extend existing) classes at runtime in java. I'm stuck on a problem, in which I have to extend an existing class at runtime and add this to the classpath, so that this new class get picked up. thanks, ...
Hi, I'm trying to to define a class called "HTML" to extend Nokogiri - which uses modules. I tried the following: require 'nokogiri' class HTML include Nokogiri end and require 'nokogiri' class HTML extend Nokogiri end but so far it's been impossible that the class HTML inherit of all the functions in nokogiri. So stuf...
I know it is really annoying to read this topic again. Before you start diggin into the code, one solution could be that I don't get prototypes and objects in JavaScript. But at this point i think, i do. The problem is: How to clone an JavaScript Class (created with prototypes), so that the “cloned” Class remains untouched when extendin...
Except for the context of UML,if A extends B,then B is a subset of A. But in UML, it's the opposite,say,if A extends B,then A is a subset of B, why is it so strange? ...
I would like to extend the ASP.NET DataGrid web control to add lots of additional features but most important of all, I would like to make the body of the grid scrollable. I have the HTML worked out but overriding the rendering of the control is confusing. The basic structure of final control should look like so: <div id="grid1" class=...
Hi I need to extend the CListControl class in C++/MFC, which will add several new features in the list control, Any one have good sample code ? Or could you please tell me how can i start it ? Thanks in advance! Or just write the new features and listControl into a ActiveX or COM ?? Which is better ? ...
When logically something seems as if it would be dead simple, then it turns out to be completely convoluted, I have not used Java much, so please forgive my ignorance. Here is what I am trying to do: I have a nice clean algorithm in one .java file, and I want to feed it from an initialized array. The array contains over 40,000 elements...