ARC (file format)

ARC is a lossless data compression and archival format by System Enhancement Associates (SEA). It was very popular during the early days of networked dial-up BBS. The file format and the program were both called ARC. The ARC program made obsolete the previous use of a combination of the SQ program to compress files and the LU program to create .LBR archives, by combining both compression and archiving functions into a single program. Unlike ZIP, ARC is incapable of compressing entire directory trees. The format was subject to controversy in the 1980s—an important event in debates over what would later be known as open formats.

The .arc file extension is often used for several file archive-like file types. For example, the Internet Archive uses its own ARC format to store multiple web resources into a single file. The FreeArc archiver also uses .arc extension, but uses a completely different file format.

Nintendo uses an unrelated 'ARC' format for resources, such as MIDI, voice samples, or text, in GameCube and Wii games. Several unofficial extractors exist for this type of ARC file.

Arc (projective geometry)

A (simple) arc in finite projective geometry is a set of points which satisfies, in an intuitive way, a feature of curved figures in continuous geometries. Loosely speaking, they are sets of points that are far from "line-like" in a plane or far from "plane-like" in a three-dimensional space. In this finite setting it is typical to include the number of points in the set in the name, so these simple arcs are called k-arcs. An important generalization of the k-arc concept, also referred to as arcs in the literature, are the (k, d)-arcs.

k-arcs in a projective plane

In a finite projective plane π (not necessarily Desarguesian) a set A of k (k ≥ 3) points such that no three points of A are collinear (on a line) is called a k - arc. If the plane π has order q then k ≤ q + 2, however the maximum value of k can only be achieved if q is even. In a plane of order q, a (q + 1)-arc is called an oval and, if q is even, a (q + 2)-arc is called a hyperoval.

Every conic in the Desarguesian projective plane PG(2,q), i.e., the set of zeros of an irreducible homogeneous quadratic equation, is an oval. A celebrated result of Beniamino Segre states that when q is odd, every (q + 1)-arc in PG(2,q) is a conic. This is one of the pioneering results in finite geometry.

Directed graph

In mathematics, and more specifically in graph theory, a directed graph (or digraph) is a graph, or set of vertices connected by edges, where the edges have a direction associated with them. In formal terms, a directed graph is an ordered pair G = (V, A) (sometimes G = (V, E)) where

It differs from an ordinary or undirected graph, in that the latter is defined in terms of unordered pairs of vertices, which are usually called edges, arcs, or lines.

A directed graph is called a simple digraph if it has no multiple arrows (two or more edges that connect the same two vertices in the same direction) and no loops (edges that connect vertices to themselves). A directed graph is called a directed multigraph or multidigraph if it may have multiple arrows (and sometimes loops). In the latter case the arrow set forms a multiset, rather than a set, of ordered pairs of vertices.

Story

Story or stories may refer to:

Media

Music

Albums

Makes Me Wonder

"Makes Me Wonder" is the first single released from Maroon 5's second album, It Won't Be Soon Before Long (2007). It premiered on the Las Vegas radio station KMXB, and became an instant hit worldwide. Upon release, the song set a record for the biggest jump to number-one in the history of the Billboard Hot 100 chart, rising from number 64 to number-one. However, the record was later broken by Kelly Clarkson's 2009 single, "My Life Would Suck Without You".

"Makes Me Wonder" also became the band's first number-one on the Billboard Hot 100 chart. The song won the Grammy Award for Best Pop Performance by a Duo or Group with Vocal at the 50th Grammy Awards, their second song to win the award. The song was among the most successful of 2007, and was their biggest hit until the release of "Moves Like Jagger" by the band in 2011.

Despite the song's commercial success, critical reception was mixed. It was ranked No. 49 on Rolling Stone's list of the 100 Best Songs of 2007. Maroon 5 performed the song in May 2007 on The Tonight Show with Jay Leno.

Story (TV programme)

Story is a TV3 current affairs show hosted by Duncan Garner and Heather du Plessis-Allan. It premiered on 10 August 2015, and airs at 7–7:30 pm, Monday–Thursday.

References