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Check (also checker, Brit: chequer, or dicing) is a pattern of modified stripes consisting of crossed horizontal and vertical lines which form squares.The pattern typically contains two colours where a single checker (that is a single square within the check pattern) is surrounded on all four sides by a checker of a different colour.
A wallpaper group (or plane symmetry group or plane crystallographic group) is a mathematical classification of a two-dimensional repetitive pattern, based on the symmetries in the pattern. Such patterns occur frequently in architecture and decorative art , especially in textiles , tiles , and wallpaper .
Copy-and-paste programming, sometimes referred to as just pasting, is the production of highly repetitive computer programming code, as produced by copy and paste operations. It is primarily a pejorative term; those who use the term are often implying a lack of programming competence and ability to create abstractions.
Safety urged: California man electrocuted while hanging Christmas lights Here are some safety tips to remember this holiday season: The CPSC recommends people make sure their live Christmas tree ...
A raccoon, trapped and frightened in an Austin, TX storm drain, is rescued by quick-thinking firefighters who crafted a makeshift ramp for its escape.
A periodic tiling has a repeating pattern. Some special kinds include regular tilings with regular polygonal tiles all of the same shape, and semiregular tilings with regular tiles of more than one shape and with every corner identically arranged. The patterns formed by periodic tilings can be categorized into 17 wallpaper groups. A tiling that ...
John Gibson made 38 saves, Brett Leason and Jackson LaCombe each scored their first goals of the season and the Anaheim Ducks ended a four-game losing streak with a 4-2 victory over the Columbus ...
Copy-evident documents have features that make it detectable that a copy is not the original. In security printing , various methods such as void pantograph are used to create patterns that are hard to copy exactly and when copied inexactly produces an easily detectable image.