Akash Mittal

579 posts

This is Akash Mittal, an overall computer scientist. He is in software development from more than 10 years and worked on technologies like ReactJS, React Native, Php, JS, Golang, Java, Android etc. Being a die hard animal lover is the only trait, he is proud of.

component is changing controlled input to be uncontrolled – Code Example

Akash Mittal
August 30, 2022

A controlled input is run by state. If this state gets undefined then the controlled input becomes uncontrolled and you will get the warning: A component is changing a controlled…

export ‘Switch’ was not found in ‘react-router-dom’ – Code Example

Akash Mittal
August 30, 2022

In V6 of react-router-dom, the <Switch> component is deprecated against <Routes> component. So, you need to replace all the Switch with Routes otherwise you will get export ‘Switch’ (imported as…

no longer support global installation of Create React App – Code Example

Akash Mittal
August 30, 2022

React deprecated the global installation of create-react-app. Now you don’t even need to install create-react-app. Use npx to always get the latest version of create-react-app. Solution with Code Example First,…

typeof variable == “boolean” Check if type is boolean – Code Example

Akash Mittal
August 30, 2022

In order to check if type of variable is boolean you can use typeof variable == “boolean”. If it is object then you may use toString.call(obj) === ‘[object Boolean]’. Code…

Refused to apply style MIME (‘text/html’) not supported stylesheet MIME

Akash Mittal
August 18, 2022

Browser throws “Refused to apply style because its MIME type (‘text/html’) is not a supported stylesheet MIME type” when they are not able to find the file in the provided…

failed to solve with frontend dockerfile.v0: Failed build LLB – Code Example

Akash Mittal
August 30, 2022

Docker throws error failed to solve with frontend dockerfile.v0: failed to build LLB due to a number of reasons – Using Virtual Private Network (VPN) Some file might not exist…

matplotlib side by side plots vertically and horizontally – Code Example

Akash Mittal
August 30, 2022

Matplotlib provides pyplot.subplots function which accepts number of rows and columns as arguments. These arguments are used to create plots side by side vertically and horizontally. Code Example The format…

Prevent re-entering of password in git pull – Code Example

Akash Mittal
August 30, 2022

To prevent re-entering of password in git pull or git push, you can edit your .git/config file in the project and update the remote url value. Add user token before…

Entry .classpath duplicate but no duplicate handling strategy has been set

Akash Mittal
August 17, 2022

Gradle throws Entry .classpath is a duplicate but no duplicate handling strategy has been set error when it finds duplicate class files but there is no way defined to process…

fatal error: uncaught error: call to undefined function mysql_connect()

Akash Mittal
August 17, 2022

Php throws error fatal error: uncaught error: call to undefined function mysql_connect() when you use mysql_connect() function. This is because mysql_connect() is deprecated and no longer used. Instead, use mysqli_connect()…

fatal error: python.h: no such file or directory – Code Example

Akash Mittal
August 30, 2022

C++ throws fatal error: python.h: no such file or directory when it is not able to find python header file. This could be due to bad installation of static libraries…

unexpectedly found nil while unwrapping an optional value – Code Example

Akash Mittal
September 5, 2022

Swift throws thread 1: fatal error: unexpectedly found nil while unwrapping an optional value when you try to unwrap an optional value which has no assigned value. An optional value…

error originates from subprocess, likely not problem of pip – Code Example

Akash Mittal
August 30, 2022

Python throws error: This error originates from a subprocess, and is likely not a problem with pip when there is some issue with installed pip version. When Python updates pip,…

syntaxerror: cannot use import statement outside module – Code Example

Akash Mittal
August 30, 2022

Here is the solution for syntaxerror: cannot use import statement outside a module – 1. Add this to package.json – 2. Or, use type=module in <script> tag – Other issues…

valueerror: max()/min() arg is an empty sequence Python – Code Example

Akash Mittal
September 5, 2022

Python throws valueerror: max() arg is an empty sequence when argument of max() function is an empty iterable like list. Similarly min() function throws the error. According to Python documentation…

valueerror: list.remove(x): x not in list – Code Example

Akash Mittal
September 5, 2022

Python throws valueerror: list.remove(x): x not in list when an item is not present in the list and still you are trying to remove it. Let’s understand this with an…

uncaught domexception: blocked a frame with origin – Code Example

Akash Mittal
August 30, 2022

Browsers throw uncaught domexception: blocked a frame with origin when you try to load a url in an iframe which is not of your domain. This is a CORS error…

domexception: failed to load because no supported source was found

Akash Mittal
August 14, 2022

Browsers like Chrome throws uncaught (in promise) domexception: failed to load because no supported source was found when it is not able to load audio files from url. This sometimes…

uncaught (in promise) DOMexception – Code Example

Akash Mittal
August 30, 2022

uncaught (in promise) DOMexception is raised by browsers when something wrong is there in DOM and exception is thrown but there is no function to catch it. It is generally…

Composer dependencies require PHP version – Code Example

Akash Mittal
August 30, 2022

Php throws error composer dependencies require php version > abc when you have lower php version installed in your system. Solution 1. Run php -v to get the php version…