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Heap spraying. In computer security, heap spraying is a technique used in exploits to facilitate arbitrary code execution. The part of the source code of an exploit that implements this technique is called a heap spray. [1] In general, code that sprays the heap attempts to put a certain sequence of bytes at a predetermined location in the ...
This manifest file lists three resources: a CSS file, a JavaScript file and a PNG image. When the above file is loaded, the browser will download the test.css, test.js and test.png files from the root directory in the web server. [7] As a result, whenever one's network is not connected, the resources will be available to them offline.
Ian "Hixie" Hickson is the author and maintainer of the Acid2 and Acid3 tests, the WHATWG HTML 5 specification, [1][2] and the Pingback specification, [3] and the early working draft of Web Applications 1.0. [4] He is known as a proponent of Web standards, and has played a crucial role in the development of specifications such as CSS.
Heap overflow. A heap overflow, heap overrun, or heap smashing is a type of buffer overflow that occurs in the heap data area. Heap overflows are exploitable in a different manner to that of stack-based overflows. Memory on the heap is dynamically allocated at runtime and typically contains program data. Exploitation is performed by corrupting ...
Heap feng shui. In computer security, heap feng shui (also known as heap grooming[1]) is a technique used in exploits to facilitate arbitrary code execution. [2] The technique attempts to manipulate the layout of the heap by making heap allocations of carefully selected sizes. It is named after feng shui, an ancient Chinese system of aesthetics ...
JIT spraying. JIT spraying is a class of computer security exploit that circumvents the protection of address space layout randomization and data execution prevention by exploiting the behavior of just-in-time compilation. [ 1 ] It has been used to exploit the PDF format [ 2 ] and Adobe Flash. [ 3 ]
Holy grail Layout with Dropping Footer. The holy grail is a web page layout which has multiple equal-height columns that are defined with style sheets. It is commonly desired and implemented, but for many years, the various ways in which it could be implemented with available technologies all had drawbacks. [1]
HTML. Cascading Style Sheets (CSS) is a style sheet language used for specifying the presentation and styling of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML). [1] CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.