Simple .NET/ASP.NET PDF document editor web control SDK

In addition, there s a crosshair 3D cursor four black lines at right angles, crossing the perimeter of a red and white circle that operates independently of the 3D Transform Manipulator tool There is also a regular mouse pointer that you use for placing cursors, selecting objects, and choosing menu items At lower right is the outline of a kind of diamond-shaped box This box is the camera, which represents the viewpoint from which your 3D model is seen (see Figure 6-4) Just to the right of the square object are two concentric circles, dashed and solid, with a black dot in the middle This marker represents the position of the lighting source in the 3D scene As when you re taking photos or shooting a movie with a camera in the real world, you must consider the direction that Blender s artificial light comes from.

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Account theft: Attackers can grab cookie information, which can lead to account hijacking since many cookies hold account information.

In other words, if we update an ellipse such that its semiaxes become equal, it would be computationally infeasible to do the work needed for the ellipse now to be regarded as a circle (again speaking pretty loosely) Note: The quotes in the foregoing bullet items are taken from A Matter of Intent: How to Define Subclasses, by James Rumbaugh (Journal of Object-Oriented Programming, September 1996) I quoted from this source in my original ellipses-and-circles article, too, where I also explained why we reject such justifications Anyway, back to the Martin article A little further on, Martin discusses, not the ellipsesand-circles example as such, but a rectangles-and-squares example (which is isomorphic to the ellipses-and-circles example in all essential respects, of course): It is often said that, in C++, inheritance is the ISA relationship.

Changing content on a page: Attackers can mislead the user into entering information on a phony site, store incorrect content, or read the user s cookies.

In other words, if a new kind of object can be said to fulfill the ISA relationship with an old kind of object, then the class of the new object shoud be derived from the class of the old object Clearly, a square is a rectangle for all normal intents and purposes [boldface added!] Since the ISA relationship holds, it is logical to model the Square class as being derived from the Rectangle class .. However this kind of thinking can lead to some subtle, yet significant, problems .. Our first clue might be the fact that a Square does not need both itsHeight and itsWidth member variables Yet it will inherit them anyway Clearly this is wasteful .. Are there other problems Indeed! Square will inherit the SetWidth and SetHeight functions These functions are utterly inappropriate for a Square, since the width and height of a square are identical.

The lighting marker sits on the end of a gray stick to show that its height is adjustable..

The idea is to involve more than one site, which is where the name (cross-site) comes from. The second site injects a script into the first site and can then do anything it wants with the page.

I agree with the overall sense of this quote, up to but not including what comes after However But that business of inheriting member variables just points up the fact that a good object model shouldn t involve member variables, anyway! Objects encapsulated objects, at any rate should have behavior but not structure Then methods (behavior) would be inherited but member variables (structure) wouldn t, because there wouldn t be any member variables (structure) to inherit After all, it s obvious that squares can be represented more economically in storage than rectangles can, and this fact in itself is, precisely, a good argument for not exposing the structure of squares and rectangles in the first place As it is, Martin is using a bad feature of a particular object model as the basis for arguing that we.

Flash Player is not directly vulnerable to cross-scripting since the byte code gets compiled through the Virtual Machine (VM). However, Flash is often used on a page that includes other scripts, and your application may interact with other web page elements. That can open a security hole since web pages generate content dynamically without filtering the results first. Attackers can exploit your application and create XSS.