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  2. Zero to the power of zero - Wikipedia

    en.wikipedia.org/wiki/Zero_to_the_power_of_zero

    In order for the polynomial x 0 to define a continuous function R → R, one must define 0 0 = 1. In calculus, the power rule = is valid for n = 1 at x = 0 only if 0 0 = 1. Continuous exponents Plot of z = x y. The red curves (with z constant) yield different limits as (x, y) approaches (0, 0).

  3. Fast, secure and reliable email. Stay in touch and enjoy the ride with AOL Mail. Get user-friendly email with AOL Mail. Sign up now for world-class spam protection, easy inbox management, and an ...

  4. Meta Portal - Wikipedia

    en.wikipedia.org/wiki/Meta_Portal

    t. e. Meta Portal (also known as Portal) is a discontinued brand of smart displays and videophones released in 2018 by Meta. [1] [2] The product line consists of four models: Portal, Portal+, Portal TV, and Portal Go. These models provide video chat via Messenger and WhatsApp, augmented by a camera that can automatically zoom and track people's ...

  5. Portal vein - Wikipedia

    en.wikipedia.org/wiki/Portal_vein

    A dilated portal vein (diameter of greater than 13 or 15 mm) is a sign of portal hypertension, with a sensitivity estimated at 12.5% or 40%. On Doppler ultrasonography , the main portal vein (MPV) peak systolic velocity normally ranges between 20 cm/s and 40 cm/s. [9]

  6. Web 2.0 - Wikipedia

    en.wikipedia.org/wiki/Web_2.0

    For example, a Web 1.0 site may have had a guestbook page for visitor comments, instead of a comment section at the end of each page (typical of Web 2.0). During Web 1.0, server performance and bandwidth had to be considered—lengthy comment threads on multiple pages could potentially slow down an entire site. Terry Flew, in his third edition ...

  7. Java Portlet Specification - Wikipedia

    en.wikipedia.org/wiki/Java_Portlet_Specification

    JSR 286. JSR-286 is the Java Portlet Specification v2.0 as developed under the JCP and created in alignment with the updated version 2.0 of WSRP. It was released in June 2008. [2] It was developed to improve on the short-comings of the version 1.0 specification, JSR-168. Some of its major features include: [3]

  8. Dallas - Wikipedia

    en.wikipedia.org/wiki/Dallas

    Dallas ( / ˈdæləs /) is a city in the U.S. state of Texas and the most populous city in the Dallas–Fort Worth metroplex, the most populous metropolitan area in Texas and the fourth-most populous metropolitan area in the United States at 7.5 million people. [11] It is the most populous city in and seat of Dallas County with portions ...

  9. Catalogue Service for the Web - Wikipedia

    en.wikipedia.org/wiki/Catalogue_Service_for_the_Web

    Versions 2.0.0, 2.0.1 and 2.0.2 are subtly different, and different vendors implement them with variations. Typically a CSW server will accept requests in one CSW version only, and it is up to the client to be flexible. e.g. ESRI Geoportal can be configured to harvest documents from CSW servers of a variety of versions and vendor variants [6 ...