Questions and Answers

When you have been working on part of your project and things are in a messy state and you want to switch branches for some other work. The problem is that you don’t want to do a commit of half done work so you can get back to this point later. In such situations git stash command is very useful. Stashing takes the your modified tracked files and staged changes and saves it on a stack of unfini... (more)

Sleep function is present in time module of python. It is very useful when you are trying to add some delay in program execution. It does not stop complete program instead it just adds some delay in particular thread only. We can understand it with some examples which you see below:   import time #Example:1 sleep_time = 1 print("Hello") time.sleep(sleep_time) print("World")   #Examp... (more)

Fibonacci series is a series of numbers in which each number is addition of previous two numbers. So, lets create it with an example For example:  0 1 1 2 3 5 8 13 and so on. Lets number of terms is 8. terms = 8 a=0 b=1 print(a,b,end="") for n in range(2, terms):     next = a+b     print(next, end="")     a=b     b=next        ... (more)

Try

npm update chokidar

the older versions aint compatible with Node v14 and above

 

There is a very easy to use pendrive in mac system. You would have faced this type of problem with a pendrive formated as NTFS. You just need to reformat your pendrive and choose the option as FAT32 and now it will be ready to use with mac as well as windows operating system.

 

I also faced such issue while working on a laravel project and after several rearch I found a solution which worked for me and it was really unexpected for me and that is the below command you can use in such scenario. composer dump-autoload Additionally, you can also use these below command collectively to avoid any other cache issue of laravel. php artisan cache:clear php artisan config:cac... (more)

When we talk about looping through objects, before ES6 we had only one option to loop through objects using for...in. But it has some drawback as it iterates through properties in the prototype chain and to check if property belongs to the object you can do this with hasOwnProperty.    for (var property in object) {   if (object.hasOwnProperty(property)) {     // Rest code   } }   Bet... (more)

.htaccess is a configuration file for the Apache web server. It’s an extremely powerful tool that can be used to modify the Apache configuration without editing the Apache configuration files directly. Let us see how to create this configuration and use it to restrict directory listings and IP addresses, and to handle redirects.   Enable .htaccess file:   sudo nano /etc/apache2/sites-avai... (more)

If you have a list of records and now you want a edit screen to edit and update the record then you can do it using following steps: 1- Import forms module in component import { FormGroup, FormBuilder, Validators, FormArray } from '@angular/forms'; 2- Then declare variables of form builder and form group public testform: FormGroup;   constructor(     public share: S... (more)

Here you can get a very useful javascript concepts where most of the people get confused or not aware of it. The below list will solve it:   What is NaN? NaN represents a special Not-a-Number value. It is a result of an invalid or an undefined mathematical operation,  like taking the square root of -1 or dividing 0 by 0, etc. We can check it using Number.isNa... (more)