How to concatenate string variables in Bash
Explanation The string is a collection of objects. Objects can be of the same kind or different. And to concatenate
Read moreComputer Science
Here is the collection of computer science questions & answers. These computer science programming QNA’s will help you to learn various concepts like an array, pointer, string, data structure, and algorithm, etc.
event.preventDefault() vs. return false
Explanation Difference between event.preventDefault() and return false is : return false is effective in calling both e.preventDefault() and e.stopPropagation() on
Read moreConvert bytes to a string
Explanation To convert bytes to a string first learn what is string. So String is a collection of objects. So
Read moreMake an existing Git branch track a remote branch?
Explanation Here we will make an existing Git branch track a remote branch Given a branch foo and a remote upstream: As of
Read moreWhat is the !! (not not) operator in JavaScript?
Explanation There is no such operator in JavaScript. It is just the not operator which is used twice. Here we
Read moreIterate through a HashMap
Explanation If we want to Iterate through a HashMap we can use: If you only want the keys, you can
Read moreHow to insert an item into an array at a specific index
Explanation You have to use a function name as splice on the native array object if you want to insert
Read moreHow can I cast int to enum?
Explanation If you want to cast int to enum use: So if you want to cast from an int: YourEnum
Read moreChecking if a key exists in a JavaScript object?
Explanation Here we will check if a key exists in a JavaScript object. But we do not have an accurate
Read moreSort array of objects by string property value
Explanation Here we will Sort the array of objects by string property value It is simple enough to write your
Read more