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A first version of the template engine was implemented with Ruby, running YAML template texts. The (preserved) main principles were: Logic-less: no explicit control flow statements, all control driven by data. Strong separation of concerns: logic from presentation: it is impossible to embed application logic in the templates.
YAML (/ ˈ j æ m əl /, rhymes with camel [4]) was first proposed by Clark Evans in 2001, [15] who designed it together with Ingy döt Net [16] and Oren Ben-Kiki. [16]Originally YAML was said to mean Yet Another Markup Language, [17] because it was released in an era that saw a proliferation of markup languages for presentation and connectivity (HTML, XML, SGML, etc.).
Because of the risk that placeholder material might accidentally be published, it is clearly marked with an FPO indicator in the form of a simulated watermark or overprint, stamp, or the like in the expectation that it will make the placeholder's presence obvious to designers working on the layout; reviewing proof copies; or, as a last resort ...
Major DBMSs, including SQLite, [5] MySQL, [6] Oracle, [7] IBM Db2, [8] Microsoft SQL Server [9] and PostgreSQL [10] support prepared statements. Prepared statements are normally executed through a non-SQL binary protocol for efficiency and protection from SQL injection, but with some DBMSs such as MySQL prepared statements are also available using a SQL syntax for debugging purposes.
.yml, a file extension for the YAML file format This page was last edited on 24 February 2019, at 23:36 (UTC). Text is available under the Creative ...
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
Placeholder names are commonly used in computing: Foo, bar, baz, and qux (and combinations thereof) are commonly used as placeholders for file, function and variable names. Foo and bar are derived from foobar. [3] Hacker slang includes a number of placeholders, such as frob which may stand for any small piece of equipment.
YAML (Yet Another Multicolumn Layout) is a cross-browser CSS framework. [2] [3] It allows web designers to create a low-barrier website with comparatively little effort. Integrations of the YAML layouts have been created for various content management systems. These include WordPress, LifeType, TYPO3, Joomla, xt: Commerce and Drupal. [4]