How to convert dataurl to file using node js. | Parse data url in node
Many time we need to covert dataurl back to original file. Like dataurl of text file or zip file back to text file and zip file. IN nodejs we can…
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12th June 2021
Example of MongoDB update field operator $mul, $max, and $min in query
We will see the example of $mul, $min, and $max in the update query of MongoDB. How we can use these update query field operators in our update query to…
5th June 2021
Importing data into MongoDB | How to Import data into MongoDB
We need import a large or any size of data set to practice or for the project requirement. We can insert a large data set using insertMany() but it is…
29th May 2021
‘mongoImport’ is not recognized as an internal or external command | mongoimport command not found
The mongoimport tool imports content from an Extended JSON, CSV, or TSV export created by mongoexport, or potentially, another third-party export tool. Starting with MongoDB 4.4, mongoimport is now released separately from the MongoDB Server and…
22nd May 2021
All about mongoDB insertMany() | insertMany in mongdb
The insertMany() is used to insert one or more document in the collection. It take an array of documents to insert into the collection. By default it insert document in…
15th May 2021
Write program to check Array is a permutation of numbers from 1 to N
Problem statement: You have an array of number like [1,3,4,6,8] we need to find that these numbers are permutation of number or not, considering all numbers in an array. example:…
13th May 2021
Cloud Computing
What are the advantages or benefits of cloud computing
What are some cloud computing advantages? There are several advantages that a cloud environment has over a physical environment. High availability: Depending on the service-level agreement (SLA) that you choose,…
8th May 2021
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How to detect screen size or resolution ?
In many scenarios, we want to detect the screen size or resolution in our web app. The browser provides us 'Screen' object which contains screen-related information. to access screen object…
1st May 2021
