Q1291. What if autocommit is enabled?
Every individual statement is automatically committed. In MySQL, autocommit is ON by default. Turn it off for multi-statement transactions: ```sql SET autocommit = 0; -- ...
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Q1292. What does the below mean?
s = a + '[' + b + ':' + c + ']' seems like a string is being concatenated. Nothing much can be said without knowing types of variables a, b, c. Also, if all of the a, b, ...
Q1293. What is the difference between RGB and RGBA colors?
RGBA is similar to RGB, but it includes an additional alpha value that represents the opacity of the color. The alpha value is a number between 0 and 1, with 0 being comp...
Q1294. Who created javascript?
JavaScript was created by Brendan Eich in 1995 during his time at Netscape Communications. Initially it was developed under the name `Mocha`, but later the language was o...
Q1295. What are the downsides of Redux compared to Flux?
While Redux offers a powerful and predictable state management solution, it comes with a few trade-offs when compared to Flux. These include: 1. **Immutability is essenti...
Q1296. What is the \_document.js file in Next.js?
In the Next.js Pages Router, **`pages/_document.js`** (or `_document.tsx`) allows developers to augment the server-rendered HTML document skeleton (``, ``, ``). ### Key C...
Q1297. What is the browser support of Vue.js?
It supports all ECMAScript5 complaint browsers as mentioned in this [url](https://caniuse.com/#feat=es5). VueJS doesn't support IE8 browser and below, because it uses ECM...
Q1298. Default isolation level in MySQL?
**REPEATABLE READ** (InnoDB engine). Prevents dirty reads and non-repeatable reads, but phantom reads are possible (though InnoDB uses MVCC + gap locking to mostly preven...
Q1299. Explain the role of repr function.
Python can convert any value to a string by making use of two functions repr() or str(). The str() function return s representations of values which are humanreadable, w...
Q1300. What is color contrast?
**Color contrast** measures the difference in perceived luminance between foreground text/elements and their underlying background. ### Web Content Accessibility Guidelin...