Glossary of terms used on this site

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Term Definition
Scope Resolution Operator

The Scope Resolution Operator (also called Paamayim Nekudotayim) or in simpler terms, the double colon, is a token that allows access to static, constant, and overridden properties or methods of a class.

When referencing these items from outside the class definition, use the name of the class.

As of PHP 5.3.0, it's possible to reference the class using a variable. The variable's value can not be a keyword (e.g. self, parent and static).

Paamayim Nekudotayim would, at first, seem like a strange choice for naming a double-colon. However, while writing the Zend Engine 0.5 (which powers PHP 3), that's what the Zend team decided to call it. It actually does mean double-colon - in Hebrew!

scroll-snap-coordinate

This property is defined on each snap element and determines the X position and Y position values where this element will snap to. This property works together with the scroll-snap-destination declared on the container and determines the element’s offset from the snap point.

scroll-snap-destination

This property is set on the scroll container and it defines the X position and Y position values (relative to itself) that the elements inside will snap to. You use this property to tell the container exactly where its elements will be snapped to.

scroll-snap-type

This property determines how strongly the scroll container will snap to its inner elements.

SD Card

A Secure Digital (SD) card is a tiny memory card used to make storage portable among various devices, such as car navigation systems, cell phones, e-books, PDAs, smart phones, digital cameras, music players, and personal computers. An SD card features a high data transfer rate and low battery consumption, both primary considerations for portable devices. It uses flash memory to provide nonvolatile storage, which means that a power source is not required to retain stored data.

An SD card is about the size of a postage stamp and weighs approximately two grams. It is similar in size to a MultiMediaCard, but smaller than older memory card types such as the SmartMedia card and the CompactFlash card. Both MMC and SD cards provide encryption capabilities for protected content to ensure secure distribution of copyrighted material, such as digital music, video, and e-books. SD cards are available with storage capacities as high as 4 gigabytes. The SD card was jointly developed by Matsushita, SanDisk, and Toshiba.

Server

A computer, or a software package, that provides a specific kind of service to client software running on other computers. The term can refer to a particular piece of software, such as a WWW server, or to the machine on which the software is running, e.g.Our mail server is down today, that’s why e-mail isn’t getting out. A single server machine could have several different server software packages running on it, thus providing many different servers to clients on the network.

Servlet

Servlet is an Java application programming interface (API) running on the server machine which can intercept on the requests made by the client and can generate/send a response accordingly.

Skeuomorph

An object or feature which imitates the design of a similar artefact in another material.

SQL Server

Microsoft's SQL Server is a relational database management system (RDBMS) that runs as a server providing multi-user access to a number of databases. It originated from the Sybase SQL Server codebase, which is why both products use the extension of SQL called Transact-SQL (T-SQL).

SSL

A protocol designed by Netscape Communications to enable encrypted, authenticated communications across the Internet.

SSL used mostly (but not exclusively) in communications between web browsers and web servers. URL’s that begin with “https” indicate that an SSL connection will be used.

SSL provides 3 important things: Privacy, Authentication, and Message Integrity.

In an SSL connection each side of the connection must have a Security Certificate, which each side’s software sends to the other. Each side then encrypts what it sends using information from both its own and the other side’s Certificate, ensuring that only the intended recipient can de-crypt it, and that the other side can be sure the data came from the place it claims to have come from, and that the message has not been tampered with.

Sticky

An important thread that always stays at the top of the page. It's "stuck" to the top. For example, a topic containing the rules and FAQs of the forum might be stickied by the mods or admin. Also, stickies are created to prevent repeats of topics that have been created several times.

SWP

SWP is a file extension for a swap file used by various operating systems. SWP stands for SWaP file. SWP files are located on a computer’s hard drive, used by the virtual memory component of the computer to increase available memory. SWP files contain any data that has been “swapped” from the computer’s memory to the hard drive. SWP files are also referred to as “Paging” files as they store “Pages” of the computer’s memory.

Glossary 2.8 uses technologies including PHP and SQL

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