RxJs is one of the vast topics in itself that we can write a complete article about. I have seen and read many articles with some important and limited topics with some code snippets but couldn’t find one such piece with a complete brief about it. So, here we go for something different.
Here we go::
=> The term RxJs stands for Reactive Extensions For Javascript. It allows us to work with an asynchronous data stream. It provides one core type:
I.e., Observable, and the other three types are Observer, Schedular and Subject.
Observables and Observers in RxJs
So, we use Observables to perform asynchronous operations and handle asynchronous data. We can manage asynchronous operations in Angular using either Promises or Observables.
Now, what are asynchronous operations and asynchronous data? We already know that JavaScript is a single-threaded programming language, meaning the code is executed line by line.
Once one code is complete, only the next code in the program will be executed. So, if a task takes a long time in execution, we are making HTTP requests to the server. In that case, it is going to take some time. So, the next statement after that HTTP request will have to wait for its execution; it will only get executed when the HTTP request completes.
So, we can say that the synchronous code is blocking in nature, and this is because asynchronous programming comes into the picture. An asynchronous code runs in the background without stopping the execution of the code in the main thread. So, an asynchronous code is non-blocking. That means we can make HTTP requests asynchronously.
In that case, it will run in the background, and the next code after that HTTP request will get executed immediately in the main thread. So, in this case, the HTTP request will not block the next line of code. Using an asynchronous program, we can perform long network requests without blocking the main thread.
We can do this in two ways:
1. By using Promises
2. By using Observables
Why Your Outsourcing Will Fail and How This One Question Will Save Your Day?
The biggest reason outsourcing fails because the outsourcing company that you have hired is not truly invested in your product or your success. I have seen different outsourcing contracts that would have nice terms, payment conditions, penalties, clauses, and so on, all in order to get your work done in a quality and timely manner but still, outsourcing fails.
What could be the reasons? What does it mean not invested in the product?
These are the common traits you should ideally look into when you select the right outsourcing contractor –
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Most IT companies are shifting their interests in modernizing how they hire talent. The companies are implementing the benefits of IT staff augmentation to meet the requirements of their IT projects.
It’s a fact that the demand for skilled employees will continue to evolve in the IT industry. But hiring full-time employees can incur high costs and liabilities.
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