Questions tagged [components]

A component in the Unified Modeling Language "represents a modular part of a system, that encapsulates its content and whose manifestation is replaceable within its environment. A component defines its behavior in terms of provided and required interfaces". The best example of component can be found in ActionScript- Flash,Flex sdks. There you have UI components like buttons, labels, DataGrids, charts those are reusable, distributable etc.

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Fatal error: Call to undefined method JController::getInstance() in joomla 3

I am trying to upgrade a component from joomla2.5 to joomla 3 but I am getting this error: Fatal error: Call to undefined method JController::getInstance() in /home/evolve13/public_html/components/components/com_donation/donation.php on line…
Fredrick Boaz
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Quick way to create JSF custom component

I know of two ways of creating custom JSF components: 1. Native JSF way: creating JSF component class, tag, etc. 2. Facelets way: defining component in a xhtml file and then creating appropriate decrption in facelets taglib. Currently I work on a…
mgamer
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Runtime assigned action's ShortCut does not fire in custom component

I am having a problem getting an Action assigned to a custom component's inherited Action property to work when the code is entirely created at run time (i.e. no form designer components). If I use an ActionList in the form designer and then use the…
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Game loop performance and component approach

I have an idea of organising a game loop. I have some doubts about performance. May be there are better ways of doing things. Consider you have an array of game components. They all are called to do some stuff at every game loop iteration. For…
topright gamedev
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How do I install both D2007 and D2010?

From what I have gathered, one can have both editions of Delphi installed. My concern is that default paths, etc, may get confused especially when installing 3rd party components. The reason why I want to do this is I have some 3rd party components…
DoctorBean
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Own component with panel

I want to create my own component which consists two other panels. One of them has fixed contents (such as control buttons, etc.) and the other is standard panel, where I can add other components in designer (VS2008). I know that I have to create…
Adam
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Why my scrollbar is not always painted correctly?

I have a graphical TCustomControl descendant component with a system scrollbar on it. The problem is that when I move the window half outside the screen and then I drag it back, the scrollbar disappers (it's not painted). How can I fix this ? I'm…
Marus Gradinaru
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Angular Dart component events

I am trying to pass custom events from a component to its parent component/controller confirm.html
Yes
Slemgrim
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Difference between EJB @Remote ( javax.ejb.Remote ) and RMI ( java.rmi.Remote )

I would like to know the differences between EJB @Remote components and RMI components. I have done a lot of researches but I didn't find enough informations about EJB @Remote (maybe because there are not very used). Are EJB @Remote…
gokan
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Grunt/Bower/Component: Handling dependencies?

I have build something like a base template/workflow for creating websites, mostly using Grunt. Part of that template is the Modernizr feature detection library, one of my Grunt tasks depends on. At the moment I just have stored that dependency in…
Sven
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Is there a Delphi dropdown notification component?

You know how in Firefox, if something happens that requires your attention but isn't immediately urgent enough to require a modal dialog, it will drop down a little strip at the top of the tab with a question on it? I'd like to be able to put…
Mason Wheeler
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Syntax highlighting: rich text box control for .NET

I'm looking for a free control/component/library something like a rich text box for editing codes of python (or other languages.) I like to have some features: Highlight codes Auto Indent Line numbering Defining new styles or rules of highlighting…
sorush-r
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What are the essential COM components required for burning DVD in Windows XP using .NET?

I'm trying to burn DVD/CD through frontend C# code... i have used IMAPI2 for buring CD/DVD in windows XP..but it is giving me unhandled exception... as:- System.InvalidCastException: Unable to cast COM object of type…
shruti
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How to see if a Delphi component already exists in your application?

How does one test if a component exists in your current application for example if you create a dynamic radiogroup named radiogroup1 how do you check if there already is a component with the name radiogroup1?
theunie
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