React JS sample project step by step
Akash Mittal
In this article we are going to learn step by step, how to create a sample project in react js. We will start from installation of create-react-app library and move…
ReferenceError: $ is not defined in JQuery
When I was creating my first jquery project in 2012, I got a weird referenceerror: $ is not defined. I was very excited with JQuery but this error broke my…
Create Pagination in ReactJS using Bootstrap
In this article I am going to show you how to create pagination in ReactJS using React Bootstrap pagination component. We will create the functionality for page numbers, next, previous,…
How to upload a file in React JS?
To upload a file in React Js, we can use FormData() api of javascript. We need to create a form with input file field and append the form value into…
React-Three-Fiber | How three.js is used with React.js – Introduction
Three.js is the 3d animation library which is used to design games, movies, scenes, animations, graphics, vfx etc. If you want to learn more about three.js then follow our introductory…
Adding space and tabs in html
Html strips more than 1 blank space. So, for example, if you want to write – Iron Man, the html will strip all the consecutive spaces and keep only…
Getting started with three.js
In this article I am going to show you how you can get started with three.js. We will look at installation, creating a scene and loading a 3d model. You…
devtools failed to parse sourcemap
If you got the warning that devtools failed to parse sourcemap then you need to know that either browser is not able to find sourcemap location or file is corrupted.…
Convert list to string in Python
Python provides join() function which could be used to convert list to string. If the items of the list are not string then you may need to convert them to…
ReactJS – Setting default baseurl in Axios
By setting the default baseurl in Axios, we don’t need to call the APIs with whole url. Only the endpoint will be required. The simplest procedure of doing this is…
R lang – Remove rows in dataframe
R lang provides the – operator to remove rows from dataframe. Simply provide the indexes of rows to remove with – sign. Consider this example – Here we have created…
Cpu supports instructions that this tensorflow binary was not compiled to use: avx2 fma
When I was working on my new tensorflow project, I got the warning that CPU supports instructions that this tensorflow binary was not compiled to use: avx2, fma. This shows…
Pandas iterate over rows – Python
Python pandas provides iterrows() function which can be used to iterate over rows in dataframe. Consider this example – In order to iterate row by row, we need to run…
syntaxerror: unexpected eof while parsing Python – Code Example
Python throws syntaxerror: unexpected eof while parsing, when there is – extra open parenthesis, extra quote in strings, missed parenthesis, try block without finally, loops or conditions without body. In…
ValueError: the truth value of an array with more than one element is ambiguous. use a.any() or a.all()
Python numpy throws valueerror: the truth value of an array with more than one element is ambiguous. use a.any() or a.all(), when an array is compared using some boolean form.…
error in file(file, “rt”) : cannot open the connection
R throws error in file(file, “rt”) : cannot open the connection, when it’s not able to find the file in the provided path. This could happen either due to wrong…
How to rename columns in Pandas Python?
To rename columns in dataframe in Pandas python, you can either provide new columns in column property or you can use rename() function. Consider this code – In this code…
Git Error: refusing to merge unrelated histories
Git throws error: refusing to merge unrelated histories, when git history is lost or got corrupted and you try to merge the pull. The solution to this problem is to…
modulenotfounderror: no module named ‘numpy’
Python throws modulenotfounderror: no module named ‘numpy’, in four conditions – When you have multiple versions of python installed and you installed numpy on one version but using different one…
error: src refspec master does not match any
Git throws error: src refspec master does not match any, due to a number of reasons and most common are – Wrong or spelling mistake in branch name, using older…