methods

Methods in Ruby: objects or not?

Inspired by this discussion, after some googling I wasn't able to find an answer to a pretty simple question regarding methods in Ruby: are methods objects or not? There are different opinions here and there, and I would really like to hear, let's say, an in-depth explanation. I'm aware of Object#method method, which takes a method nam...

control method in visual basic

what is control method in vb ...

How to make return value optional for a method,if possible ?

I have a method private static DataTable ParseTable(HtmlNode table) and sometimes this method has no return value then I want to make return value optional, is it possible ? I have tried with if condition.But there is error. How can I make return value optional for the method if possible ? ...

Why Lucene merge indexes ?

I want to know why Lucene merge indexes ? It's better to say , why does not Lucene merge all indexes to one index ? What is the advantage of this merging method ? ...

Calling methods or functions with Jquery

So I can call a php page using jquery $.ajax({ type: "GET", url: "refresh_news_image.php", data: "name=" + name, success: function(html) { alert(html) $('div.imageHolder').html(html); } }); However this getting a bit messy, I have a few .php files that only really preform very simple tas...

C++ STL containers

Different STL containers like vector, stack, set, queue, etc support different access methods on them. If you are coding for example in Notepad++ or vim, you have to continuously refer to the documentation to see what all methods are available, atleast I have to. Is there some good way of remembering which container supports which meth...

JS: capture a static snapshot of an object at a point in time with a method

I have a JS object I use to store DOM info for easy reference in an elaborate GUI. It starts like this: var dom = { m:{ old:{}, page:{x:0,y:0}, view:{x:0,y:0}, update:function(){ this.old = this; this.page.x = $(window).width(); this.page.y = $(window).height();...

Python calling class methods with the wrong number of parameters

I'm just beginning to learn python. I wrote an example script to test OOP in python, but something very odd has happened. When I call a class method, Python is calling the function with one more parameter than given. Here is the code: 1. class Bar: 2. num1,num2 = 0,0 3. def __init__(num1,num2): 4. num1,num2 = num1,num2 5. ...

Can methods in java be nested and what is the effect?

for example and is this legal: class NAME { method { method {} } } and what would the effect be? is there any specialy syntax involved? ...

Ruby Methods: how to return an usage string when insufficient arguments are given

Hi, After I have created a serious bunch of classes (with initialize methods), I am loading these into IRb to test each of them. I do so by creating simple instances and calling their methods to learn their behavior. However sometimes I don't remember exactly what order I was supposed to give the arguments when I call the .new method on...

I tried to prototype a length() method to Object and broke jQuery – how?

I wrote the following: Object.prototype.length = function(){ var count = -1; for(var i in this) count++; return count; } It works. But when I execute my page, even without using this function, Firebug tells me that jQuery's .appendTo() is no longer a function. Why would this be? ...

Why are these lines being skipped? (java)

Here's the relevant bit of the source code: class Dice { String name ; int x ; int[] sum ; ... public Dice (String name) { this.name = name ; this.x = 0 ; this.sum = new int[7] ; } ... public static void main (String[] arg) { Dice a1 = new Dice ("a1") ; printValue...

Overriding jQuery plugin methods, as default and for single instances

Hi, The basic question is: How do I perform a basic override of a plugin method without editing the original plugin file? Is it possible to create an override for a specific instance: Example: An rtf plugin uses: $('selector').wysiwyg('setContent',newContent); In order to display the rtf text as readonly I would like for the same ...

What does it mean for a method to be public/private/other in java?

What does it mean for a method to be public/private/other in java? What are the advantages and disadvantages of these options? What is my impetus, as someone trying to be a good programmer, to care? ...

Why is this method executing twice each time I call it?

I have the following method that is executing twice every time it is called: public static void ChangeToRepository(RepositoryTextBox textBox, int repositoryNumber) { MessageBox.Show("you"); int indexOfLastRepository = (textBox.RepositoryCollection.Count - 1); if (repositoryNumber > indexOfLastRepository) ...

jQuery validate plugin against custom jQueryUI datePickers

I have some datePickers I've customized these so they show only month and year This is the code to create them jQuery("input[name*='fechauso']").each(function() { jQuery(this).datepicker({ changeMonth: true, changeYear: true, showButtonPanel: true, dateFormat: 'MM yy', constrainInput: true, ...

Passing parameter as final in C#

This might be a duplicate question.But could not find it in search In java to mark a method parameter as constant we declare it as final whats the equivalent C# keyword? Like public void doSomeThing(final object myObject) { //print myobject } ...

Rails NoMethodError in loop when method exists

Good day all. I'm running into a bit of a problem getting a script running on my production environment, even though it works just fine on my dev box. I've verified that all the requisite gems and such are the same version. I should mention that the script is intended to be run with the script/runner command. Here is a super-condense...

Which object called another object's method in Obj-C

Hi, I am looking to write a plugin controller in Cocoa that loads bundles, and exposes a specific set of methods for the plugins to call. My question is this: is it possible to know (any) info about the object that called a method in the controller. When an instantiated plugin calls a method in my plugin controller, I would like to kno...

How can I take any function as input for my Scala wrapper method?

Let's say I want to make a little wrapper along the lines of: def wrapper(f: (Any) => Any): Any = { println("Executing now") val res = f println("Execution finished") res } wrapper { println("2") } Does this make sense? My wrapper method is obviously wrong, but I think the spirit of what I want to do is possible. Am I right...