OnlineTutorialsPoint

OnlineTutorialsPoint A Technological blog that helps you to learn Java, Spring, Spring Boot, Hibernate, Python, SQL, Linu

26/06/2021

Environment variables are accessed through the os module in python. Here we are going to see the different use cases to read the environment variables. How to read environment variables? Environment variables can be set in different ways in different operating systems that I have explained in my pre...

26/06/2021

In this tutorial, we are going to see how to read python config .ini file. How to read config.ini files: The python's configparser module used to read the .ini files, typically these file contains configuration information. The following few examples illustrate some of the more interesting features....

13/06/2021

Python Object introspection helps us to determine the type of object at runtime, however, this is one of Python's strength. In Python everything is an object hence we can examine these objects using introspection. How to Introspect an Object: Python provides a few inbuilt functions and modules to ac...

12/06/2021

There were several ways to iterate javascript object, we have choose the appropriate approach based on our platform and version of javascript. How to iterate Javascript Object: A simple Javascript Object iteration goes like below. Plain old Javascript: var data = { file: "1623061746-report.xlsx", da...

12/06/2021

Listing objects from AWS s3 bucket using Javascript (NodeJs) is a simple/regular use case for AWS development. So here we are going to see how can we achieve this simple task more simply. How to listObjects from AWS S3: This example has been tested on the below versions, please make sure. Node v12.1...

02/06/2021

You may encounter this error Error: No changes to deploy. Stack is up to date while deploying the SAM/Cloud formation templates. Error: No changes to deploy. Stack is up to date: This is because your current build is not having any changes but you are trying to re-deploying the stack. Yes, sometimes...

01/06/2021

Here we are going to see the basic Python AWS Lambda Hello World example using SAM (Serverless Application Model) Prerequisites: AWS Account Python AWS CLI SAM CLI SAM uses AWS-CLI so its required to install AWS CLI to work with SAM, after all the above installations, we have to set up the AWS crede...

08/05/2021

In this tutorial, we are going to learn about C file operations. C File Operations: The functions getc() and fgetc() are used to read a character from the file which is opened for reading purpose. Both the functions have the same syntax and their work is also similar. Read and Write characters using...

07/05/2021

In this tutorial, we are going to learn about reading and writing files in C. File Handling in C: The English dictionary term file refers to a folder or a box used for storing loose papers together (mostly in order) for easy reference. However, in computer terminology, a file is a collection of rela...

06/05/2021

In this article, we are going to understand the switch-case construct in C Language. Switch Case in C The switch-case construct is an alternative to the if-else-if construct. Below code shows the general format of a switch-case construct: switch (expression) { case constant_1 : statement_1; break;

05/05/2021

In this article, we are going to understand the Flow Control Statements in C Language. Any valid combination of constants, variables, and operators constitutes an expression. Some of the examples are: x + y x++ x + (y + z) When an expression is followed by a semicolon (;) it becomes a simple stateme...

05/05/2021

In this tutorial, we are going to learn about the comma and sizeof operators in C. Comma operator: In C, there are two special operators: the comma (,) operator and the sizeof operator. The Comma(,) operator is used to declare multiple expressions in a single statement. Comma operator acts as a sepa...

Address

Vizag

Website

Alerts

Be the first to know and let us send you an email when OnlineTutorialsPoint posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Share

Category