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Author Archives: Jayesh Tiwari
Podcasts I follow on Google Podcast
Podcast related to new technology has always excited me. I use Google Podcasts App to follow the best ones. On a lazy weekend or a busy work day, I play them and enjoy the talk of the expert speakers. Some of the Podcasts I follow are: Syntax – Tasty Web Development Treats – Wes BosContinue reading “Podcasts I follow on Google Podcast”
Guppy – development made easy
Guppy is an application manager and it helps in running tasks. This involves tasks which are run through terminal. For React application development, this tool can help in minimizing the time spent on writing commands in terminal. It can npm start your app through it’s beautiful graphical user interface. It can help build the appContinue reading “Guppy – development made easy”
Immutable and Mutable Values
An immutable value is the one, which is once created can never be changed. Examples of immutable vales can be numbers, string and boolean. Source element should not be affected and original element has to remain unchanged at all time. While mutable values means changing the array or modifying the value. This is not recommended.Continue reading “Immutable and Mutable Values”
Error – TypeError: Cannot set property ‘props’ of undefined
This is a common error faced by beginners and everyone else writing code in ReactJS. This error comes up when set of parenthesis are applied after Component, like Component( ). Happy Coding!
Fetch API in ReactJS Projects
The most basic thing I learned after fundamantals was using APIs in ReactJS. Although not easy, it took sometime to master its concepts. There are 3 ways to Fetch data from API: Using Fetch with Lifecycle Method – componentDidMount in stateful/class component Using Fetch with useState hook in stateless/functional component Using Axios AJAX call inContinue reading “Fetch API in ReactJS Projects”
Error – Expected an assignment or function call and instead saw an expression
Expected an assignment or function call and instead saw an expression is a common error whenever I forget adding return keyword to a function. In the else if return statement, I missed the return keyword, causing this error. Problem solved.
Error – TypeError: Cannot read property ‘map’ of undefined
Often while coding, there are instances when we tend to face challenges in the form of errors. I have been through this time a lot. In ReactJS, I have encountered this error multiple times which says, TypeError: Cannot read property ‘map’ of undefined Mostly while using API Fetch in my App this error pops up.Continue reading “Error – TypeError: Cannot read property ‘map’ of undefined”
With ReactJS, Jayesh
ReactJS has become a special part of my everyday life. I dream about it and when I wake up in the morning, I am still thinking of building something with it. Web Apps are my favorite toys. I will keep sharing my journey through ReactJS everyday in pieces. If the posts in this blog helpsContinue reading “With ReactJS, Jayesh”
