AWS
MySQL Table Migration with Pandas DataFrame
Today I'll show how to use Pandas DataFrame for transforming data from one MySQL AWS RDS to another.
Suppose situation when you have some old application that writes data to some MySQL...
Code Example
Send Message to Slack with Python
Recently Slack changed the way you publish messages via API, so it took me a while to figure out how to do it by myself and today I'll show the short...
DevOps
Jenkins Pipelines – Understanding Flyweight and Heavyweight Executors
Jenkins have two type of executors - flyweight and heavyweight.
Flyweight executor is actually a Java thread that is running on Jenkins Master node. Jenkins automatically create Flyweight executors when...
AWS
Creating S3 Bucket with KMS Encryption via CloudFormation
This is AWS CloudFormation YAML template for creation Amazon S3 bucket which restricts unsecured data (SSE-KMS).
AWSTemplateFormatVersion: '2010-09-09'
Description: Amazon S3 Bucket with
Resources:
CodeFlexS3Bucket:
Type: AWS::S3::Bucket
...
Code Example
Spring Boot CRUD REST API Project Example
Spring Boot has REST support by providing default dependencies right out of the box. Spring Boot provides RestTemplateBuilder that can be used to customize the RestTemplate before calling the REST endpoints....
Code Example
How to Convert InputStream to String in Java
Very frequent situation: you have java.io.InputStream and you need to convert it in some way into a String.
There are several approaches to achieve this in Java, I'll show you the best...
