Return the first n rows. This function returns the first n rows for the object based on position. It is useful for quickly testing if your object has the right type of data in it. For negative values of n, this function returns all rows except the last |n| rows, equivalent to If n is larger than the number of rows, this function returns all rows. Number of rows to select. The first n rows of the caller object. Examples Viewing the first 5 lines >>> df.head() animal 0 alligator 1 bee 2 falcon 3 lion 4 monkey Viewing the first n lines (three in this case) >>> df.head(3) animal 0 alligator 1 bee 2 falcon For negative values of n >>> df.head(-3) animal 0 alligator 1 bee 2 falcon 3 lion 4 monkey 5 parrot HTML - The Head ElementThe HTML The HTML <head> ElementThe HTML metadata is data about the HTML document. Metadata is not displayed. Metadata typically define the document title, character set, styles, scripts, and other meta information. The HTML <title> ElementThe The The content of a page title is very important for search engine optimization (SEO)! The page title is used by search engine algorithms to decide the order when listing pages in search results. The
So, try to make the title as accurate and meaningful as possible! A simple HTML document: Example<!DOCTYPE html> The content of the document...... </body> Try it Yourself » The HTML <style> ElementThe Example<style> Try it Yourself » The HTML <link> ElementThe The Tip: To learn all about CSS, visit our CSS Tutorial. The HTML <meta> ElementThe The metadata will not be displayed on the page, but is used by browsers (how to display content or reload page), by search engines (keywords), and other web services. ExamplesDefine the character set used: Define keywords for search engines: <meta name="keywords" content="HTML, CSS, JavaScript"> Define a description of your web page: <meta name="description" content="Free Web tutorials"> Define the author of a page: <meta name="author" content="John Doe"> Refresh document every 30 seconds: <meta http-equiv="refresh" content="30"> Setting the viewport to make your website look good on all devices: <meta name="viewport" content="width=device-width, initial-scale=1.0"> Example of Example<meta charset="UTF-8"> Try it Yourself » Setting The ViewportThe viewport is the user's visible area of a web page. It varies with the device - it will be smaller on a mobile phone than on a computer screen. You should include the following <meta name="viewport" content="width=device-width, initial-scale=1.0"> This gives the browser instructions on how to control the page's dimensions and scaling. The The Here is an example of a web page without the viewport meta tag, and the same web page with the viewport meta tag: Tip: If you are browsing this page with a phone or a tablet, you can click on the two links below to see the difference. The HTML <script> ElementThe The following JavaScript writes "Hello JavaScript!" into an HTML element with id="demo": Example<script> Try it Yourself » The HTML <base> ElementThe The There can only be one single ExampleSpecify a default URL and a default target for all links on a page: <head> <body> Try it Yourself » Chapter Summary
For a complete list of all available HTML tags, visit our HTML Tag Reference. Is head a brand?Head currently produces a wide range of products for skiing, snowboarding, swimming, tennis and other racket sports.
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Head (company). What does the head logo mean?The Head logo is actually based on the image of a ski tip. And though Head continues to be a factor in both snow and racket sports, the logo's ski heritage lives on. Although Head Sports is perhaps best known as a tennis brand, it originally started out as a ski company. And its logo originates with this in mind.
Is head publicly traded?The company's shares began trading on both the Vienna Stock Exchange and New York Stock Exchange.
What company owns head?In 1985, HEAD was acquired by Minstar Inc. due to a takeover of AMF. Two years later, Head started making athletic footwear, and introduced Radial Tennis Shoes. By 1989, management succeeded in buying out HEAD, Tyrolia, and Mares, which were two other companies that HEAD bought in the 1970s, to form HTM.
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