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Selenium Grid is a server that allows tests to use web browser instances running on remote machines. With Selenium Grid, one server acts as the central hub. Tests contact the hub to obtain access to browser instances. The hub has a list of servers that provide access to browser instances (WebDriver nodes), and lets tests use these instances.
Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.
Acceptance testing of an aircraft catapult Six of the primary mirrors of the James Webb Space Telescope being prepared for acceptance testing. In engineering and its various subdisciplines, acceptance testing is a test conducted to determine if the requirements of a specification or contract are met.
Zombie.js is a simulated browser environment for Node.js. [25] SimpleBrowser is a headless web browser written in C# supporting .NET Standard 2.0 [26] DotNetBrowser is a proprietary .NET Chromium-based library that provides the off-screen rendering mode and can be used without embedding or displaying windows. [27] [28]
Build a vector the same length as R with 1 in each place where the corresponding number in R is in the outer product matrix (∈, set inclusion or element of or Epsilon operator), i.e., 0 0 1 0 1; Logically negate (not) values in the vector (change zeros to ones and ones to zeros) (∼, logical not or Tilde operator), i.e., 1 1 0 1 0
Willoughby Smith first described the "Effect of Light on Selenium during the passage of an Electric Current" in a 20 February 1873 issue of Nature. In 1883 Charles Fritts built the first solid state photovoltaic cell by coating the semiconductor selenium with a thin layer of gold to form the junctions; the device was only around 1% efficient. [10]
getFields() – returns an array of Field objects representing all the public fields of the class or interface; getClasses() – returns an array of Class objects representing all the public classes and interfaces that are members (e.g. inner classes) of the class or interface
The height of horses is measured at the highest point of the withers, where the neck meets the back. [23] This point is used because it is a stable point of the anatomy, unlike the head or neck, which move up and down in relation to the body of the horse.