Q791. What are the supported System Modifier Keys?
Vue supports below modifiers to trigger mouse or keyboard event listeners when the corresponding key is pressed, 1. .ctrl 2. .alt 3. .shift 4. .meta Lets take an example ...
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Q792. Keyword to retrieve maximum value?
The keyword and aggregate function used to retrieve the maximum value of a column is **`MAX()`**: ```sql SELECT MAX(salary) AS highest_salary FROM employees; ``` ### With...
Q793. How can you share global variables across modules?
To share global variables across modules within a single program, create a special module. Import the config module in all modules of your application. The module will be...
Q794. What will happen if we don't put <!DOCTYPE HTML> tag?
If we don't put `` tag, the browser will not be able to identify that it is an HTML document and HTML5 tags will not function properly.
Q795. What is namespace in TypeScript?
In TypeScript, a namespace is a way to organize and group related code elements such as classes, interfaces, functions, and variables under a single name. Namespaces prov...
Q796. How do you manipulate DOM using a service worker?
Service worker can't access the DOM directly. But it can communicate with the pages it controls by responding to messages sent via the `postMessage` interface, and those ...
Q797. What are stateless components?
If the behaviour of a component is independent of its state then it can be a stateless component. You can use either a function or a class for creating stateless componen...
Q798. What is Fast Refresh in Next.js?
**Fast Refresh** is Next.js's hot module replacement (HMR) experience that provides near-instantaneous visual feedback when you edit React components in development. ### ...
Q799. What are the supported Mouse Button Modifiers?
Vue supports below mouse button modifiers 1. .left 2. .right 3. .middle For example, the usage of `.right` modifier as below ```vue ``` ****
Q800. Function to count results?
`COUNT()`. `COUNT(*)` counts rows. `COUNT(column)` counts non-NULL values. ```sql SELECT COUNT(*) FROM orders; -- Total orders SELECT COUNT(shipped_date) FROM orders; -- ...