Use the card-img-bottom class in Bootstrap 4 to place an image at the bottom inside a Bootstrap 4 card.Set the card body, and within that, the card title and card text −   Quantitative Aptitude   For Entrance Exams   Sample Questions Now set image with class “card-img-bottom”−Let us see ... Read More

Use the tooltip(“toggle”) method in Bootstrap to togle the tooltip.The tooltip generates on clicking the button shown below −   Toggle Tooltip Toggle the tooltip on button click like the following code snippet −$(".btn-info").click(function(){   $("[data-toggle='tooltip']").tooltip('toggle'); });You can try to run the following code to implement the tooltip(“toggle”) method −ExampleLive ... Read More

To stretch a flex item in Bootstrap 4, use the .align-self-stretch class.     Here, the 2nd flex item is stretched using the align-self-stretch class in Bootstrap −   A-one   B-one   C-one   D-one You can try to run the following code to stretch a flex item −ExampleLive Demo ... Read More

The flex-*-nowrap class works like flex-no-wrap class to avoid wrapping of flex items.However, if you want to avoid wrapping on different screen sizes, then use the flex-*-no-wrap class like −flex-lg-nowrap: Avoid wrapping on large screen sizeflex-sm-nowrap: Avoid wrapping on small screen sizeflex-md-nowrap: Avoid wrapping on medium screen sizeThe following is ... Read More

A good database design has many benefits and is a goal to achieve for every DBA −Easy Retrieval of InformationIf the design is developed properly, then it would be easier to retrieve information. Correct design means the tables, constraints, and relationships created are flawless.Easier ModificationChanges that you make to the ... Read More

Many-to-Many relationship in DBMS is a relationship between more than one instance of an entity with more than one instance of another entity i.e. both the entities can have many relationships between each other.The relation can be stated as −Let us see an example −Many Authors can write a Book, ... Read More

Details about the zombie, orphan and daemon processes are given as follows −Zombie ProcessesA zombie process is a process whose execution is completed but it still has an entry in the process table. Zombie processes usually occur for child processes, as the parent process still needs to read its child’s ... Read More

Multithreaded programs allow the execution of multiple parts of a program at the same time. These parts are known as threads and are lightweight processes available within the process.Threads improve the application performance using parallelism. They share information like data segment, code segment files etc. with their peer threads while ... Read More

Starvation and Deadlock are situations that occur when the processes that require a resource are delayed for a long time. However they are quite different concepts.Details about starvation and deadlock are given as follows −StarvationStarvation occurs if a process is indefinitely postponed. This may happen if the process requires a ... Read More

Process communication is the mechanism provided by the operating system that allows processes to communicate with each other. This communication could involve a process letting another process know that some event has occurred or transferring of data from one process to another. One of the models of process communication is ... Read More