Q471. What does ROLLBACK do after COMMIT?
**`ROLLBACK` does nothing after a `COMMIT` has executed**. ### Why? Once a transaction issues `COMMIT`, the changes are permanently written to the database transaction lo...
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Q472. Print the length of each line in the file 'file.txt' not including any whitespaces at the end of the lines?
withopen("filename.txt","r")asf1: printlen(f1.readline().rstrip()) rstrip() is an inbuilt function which strips the string from the right end of spaces or tabs (whitespac...
Q473. What is the difference between the `translate()` and `rotate()` functions?
The `translate()` function is used to move an element along the x-axis and/or y-axis, while the `rotate()` function is used to rotate an element clockwise or counterclock...
Q474. Is there any relation between Java and JavaScript?
No, they are entirely two different programming languages and have nothing to do with each other. But both of them are Object Oriented Programming languages and like many...
Q475. What is Redux?
Redux is a predictable state container for JavaScript applications, most commonly used with React. It helps you manage and centralize your application’s state in a single...
Q476. What are events?
Events are "things" that happen to HTML elements. When JavaScript is used in HTML pages, JavaScript can `react` on these events. Some of the examples of HTML events are, ...
Q477. What are the core principles of Redux?
Redux follows three fundamental principles: 1. **Single source of truth:** The state of your whole application is stored in an object tree within a single store. The sing...
Q478. 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...
Q479. 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...
Q480. 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...