Ok on this occasion let’s discuss linux ubuntu file permission. As we know in linux everything is treated as a file. As a file of course it must have permission attributes, and sometimes not everyone understands permission attributes on a file / directory. …

Nowadays many paradigms in programming are coming up, and the most hype is declarative programming concepts. Imperative programming is programming where programmers will define the instruction / statements step by step while declarative programming is where the programming done with expressions or declarations instead of statements. …

ok, at this time i will write about synchronous vs synchronous and blocking vs non-Blocking. actually the term synchronous, synchronous, blocking, non-blocking is important for programmer, on many book or tutorial about programmer we will find the term synchronous, synchronous, blocking, non-blocking so often. ok lets deep dive about it: …

Ubuntu is one of the famous linux distributions, as i know desktop linux distribution is free, we can download from https://ubuntu.com/download/desktop Hardware − Hardware consists of all physical devices attached to the System. For example: Hard disk drive, RAM, Motherboard, CPU etc. Kernel − Kernel is the core component for…

For programmers we must be familiar with asynchronous terms. On the wikipedia, Asynchronous, in computer programming, refers to the occurrence of events independent of the main program flow and ways to deal with such events. In nutshell asynchronous is not serial or sequence of activities, for example : we want…

From my perspective that comes from the java world, understanding prototype is challenging, first, I perceive prototype is like inheritance in java but actually slightly different. In javascript once we instantiate an object, it automatically instantiates the prototype / parent object. Prototype is a built-in parent object, and to get…

HTTPS implementation is very important to make a secure connection between server and client . In nutshell, either server or client (browser) have secret key to encrypt and decrypt an incoming request or outgoing request / message. …

Every programming language must be having exception/error handling style. Proper error handling is needed to create a robust application. Error itself is an anomaly, for example: the program expects numeric value but gives string data. As a programmer, we need to decide when an error happens, whether catch the error…

Create / generate gcp key, which is the key can be used to access google cloud storage. So please add account service which having google cloud storage access. 2. Klick add key, then download the in json format. …