Check variable is a Date Object or not in JavaScript
We can check that a given variable is a date object or not. To check this, we have various approaches. Let check one by one. Solution 1: It will work…
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30th January 2023
How to Update Multiple Array Elements in mongodb
Suppose we have collection of documents having array and we want to update document having array on the basis of some condition. Insert document in movies collection db.movies.insertMany([ { title:…
23rd January 2023
mongo.exe not installed in Version 6.0.0+ | mongo not a recognize an internal or external command
The legacy mongo shell is no longer included in server packages as of MongoDB 6.0. mongo has been superseded by the new MongoDB Shell (mongosh) which is available separately: Download and Install mongosh The MongoDB Compass admin…
16th January 2023
Check string is date or not in JavaScript
To check a string value is a date, there are many ways to do that. But problem occur when string is a number, since a number can be converted into…
9th January 2023
How to count documents in MongoDB
In mongodb, we can count document in multiple ways. Some ways are deprecated, and some are newly introduced. Let see all possible method to count the documents. 1. db.collection.count() db.collection.count(query,…
2nd January 2023
How to get random record from MongoDB
Radom data is useful to test many scenarios and check our code stability in many ways. We can get random documents from given collection. Solution 1: Using $sample Randomly selects…
26th December 2022
How to get the last N records in mongodb
We can use various approaches to get the last n record from database. Let find out which approach suits you. You can use combination of the sort() , limit() ,skip() to get the…
19th December 2022
Apply custom css to mat-dialog
Angular Material disables style encapsulation for all components in the library. However, the default style encapsulation in your own components still prevents custom styles from leaking into Angular Material components.…
12th December 2022
