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A memoized function "remembers" the results corresponding to some set of specific inputs. Subsequent calls with remembered inputs return the remembered result rather than recalculating it, thus eliminating the primary cost of a call with given parameters from all but the first call made to the function with those parameters.
Code that handles such intercepted function calls, events or messages is called a hook. Hook methods are of particular importance in the template method pattern where common code in an abstract class can be augmented by custom code in a subclass. In this case each hook method is defined in the abstract class with an empty implementation which ...
A query string is a part of a uniform resource locator that assigns values to specified parameters.A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.
PHP has a direct module interface called SAPI for different web servers; [273] in case of PHP 5 and Apache 2.0 on Windows, it is provided in form of a DLL file called php5apache2.dll, [274] which is a module that, among other functions, provides an interface between PHP and the web server, implemented in a form that the server understands. This ...
Drupal (/ ˈ d r uː p əl /) [4] is a free and open-source web content management system (CMS) written in PHP and distributed under the GNU General Public License. [3] [5] [6] Drupal provides an open-source back-end framework for at least 14% of the top 10,000 websites worldwide [7] and 1.2% of the top 10 million websites [8] —ranging from personal blogs to corporate, political, and ...
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A solar cell is formed by a light-sensitive p-n junction semiconductor, which when exposed to sunlight is excited to conduction by the photons in light. When light, in the form of photons, hits the cell and strikes an atom, photo-ionisation creates electron-hole pairs. The electrostatic field causes separation of these pairs, establishing an ...
The number of homes destroyed was 287 with damage to 1400 others. The time of day aided in the warning process as a spotter saw the tornado in Sarpy County during the daylight hours and children were no longer in school. The NWS aided by REACT and Civil Defense systems provided good lead time for the residents of Douglas County, Nebraska. Three ...