Hacker Rank: Day 6: Let's Review
Given a string,S, of length N that is indexed from 0 to N-1, print its even-indexed
and odd-indexed characters as 2 space-separated
strings on a single line (see the Sample below for more detail).Note: 0 is considered to be an even index.
s = abdecf
Print abc def
The first line contains an integer, T(the number of test cases).
Date: November 20, 2021, 4:12 pm Author: Akram Hossain
In this blog post i will try to describe how to implement SMSBOX sms gateway in Nodejs application. to implement SMSBOX into any Nodejs application you
will need a SMSBOX account, you can register for new account at https://www.smsbox.com/
which is not free.Upon registration SMSBOX will provide you username and password to login to SMSBOX control panel.
After login to SMSBOX dashboard, Under le
Date: September 6, 2021, 5:45 pm Author: Akram Hossain
Sharp High performance Node.js image processing library.
It is 4x to 5x faster then ImageMagick and GraphicsMagick.
We can convert any larger image to any common format such as png, gif, jpeg, webp.
Also we can modify image dimension on the go without modifying actual image.
Any systems running Node.js v10+ do not need any additional install or runtime dependencies.
Date: July 10, 2021, 5:35 pm Author: Akram Hossain
In this blog post i will explain how to upload and delete file in AWS S3 using aws-sdk.
To getting started we need to install aws-sdk npm package to our Node.js application. To install aws-sdk in any Node.js project
run the following command in your terminal
$ npm install aws-sdk
After successful installation of aws-sdk package. You need to provide credentials to AWS so that only your account
Date: June 21, 2021, 5:16 pm Author: Akram Hossain
Prerequisites for installing Node.js
If you are using Ubuntu 20.04. Before we start, we should have an user account with sudo privileges set up on the system.
We will learn how to do this by following these steps for Ub
Date: October 11, 2020, 11:16 pm Author: Akram Hossain
To filter relational table in TypeORM using findAndCount there is a workaround. To filtering based on relation fields for findAndCount.
We need to use ObjectLiteral-style where using this style conditions are works perfectly.
Assume that we have Three entities – products,attributeSet and woodType. products belongs to one attributeSet and one woodType,
attributeSet and woodType has many prod
Date: July 17, 2020, 10:46 am Author: Akram Hossain
Typeorm is an ORM Which run in NodeJS, PhoneGap, Cordova, Ionic, Browser, NativeScript, Expo, React Native and Electron platforms.
TypeORM is highly influenced by other ORMs such as Entity Framework, Hibernate, Doctrine.
To generate model using TypeORM from existing database we need to install typeorm-model-generator. To
Date: July 16, 2020, 5:58 pm Author: Akram Hossain