Programming and algorithms

Here is some helpful JS interview questions.
If anyone of you wants to add question in the blog. please leave them in comments

“In learning you will teach, and in teaching you will learn.”
― Phil Collins

JavaScript tricky interview questions what is hoisting what is closure what is call() and what is apply() refer Call() vs apply() in javascript what is callback how can we implement callback asynchronous what is promise how to handle e…

Call() vs apply() in javascript Call() and apply() both perform the same functionality, they both can call the method on different object var person = { fullname :function(city, country){ returnthis.firstName+” “+this…

anupgupta-arg/Swift-CollectionViewWithTableView Swift-CollectionViewWithTableView - CollectionView With TableView

Interview Questions of RESTapi, JAVA, CSS, JavaScript, Data Structure
get set go...

Interview Question for FullStack dev Interview Questions of RESTapi, JAVA, CSS, JavaScript, Data Structure What is Rest api? And its architecture Difference between SOAP and REST Annotation GET, POST, PUT, DELETE, PATCH What are HTTP …

Factory Design Pattern in JAVA There are basically three questions arises for Factory design pattern. WHAT —> WHY —> WHEN WHAT is Factory Design Pattern Factory design pattern follow creational design pattern. Factory clas…

Learn about Fail Safe and Fail Fast in Java

Fail Safe Vs Fail Fast in JAVA Fail Fast : 1. code can be failed during its compile time or runtime 2. In Fail Fast, a failure in code is checked in aggressive manner 3. Java Supports the Fail Fast and throws the exception & #822…

one of the important concepts , often used in competitive coding : finding subset problems - http://www.geeksforgeeks.org/finding-all-subsets-of-a-given-set-in-java/
And here are some sample problems and asked related to this :
1)https://youtu.be/WZkTPJE0aRE
2)https://youtu.be/bGC2fNALbNU

Finding all subsets of a given set in Java - GeeksforGeeks Problem: Find all the subsets of a given set. Input: S = {a, b, c, d} Output: {}, {a} , {b}, {c}, {d}, {a,b}, {a,c},… Read More »

Angular 2 Reactive Forms How to create a modal driven forms (Reactive Forms) in angular 2

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Trick to overwrite the value of final variable in Java Friends,  here i am going to tell u a trick to overwrite a value in final variable in java. As, Till our previous knowledge of Java, we know that final variable are those variable which remain cons...