TypeScript Good Usages

Posted on December 16, 2021 by admin

How to install AWS and Azure CLI with Homebrew

Posted on August 7, 2021October 3, 2021 by admin

Homebrew

Installing

Run the following code to install Homebrew if you don't have in your machine.

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

Verifying

Run the following code to verify Homebrew is installed

$ brew --version

Homebrew 3.2.6
Homebrew/homebrew-core (git revision c4d5aac8ec; last commit 2021-08-07)
Homebrew/homebrew-cask (git revision 1169dcb641; last commit 2021-08-07)

AWS

AWS CLI

Installing

brew update && brew install awscli

Verifying

$ aws --version

aws-cli/2.2.27 Python/3.9.6 Darwin/20.6.0 source/x86_64 prompt/off

Upgrading

brew upgrade awscli

Uninstalling

brew uninstall awscli

Using AWS CLI

Create default profile

$ aws configure

AWS Access Key ID [None]: AKIAIOSFODNN7EXAMPLE
AWS Secret Access Key [None]: wJalrXUtnFEMI/K7MDENG/EXAMPLEKEY
Default region name [None]: eu-west-2
Default output format [None]: json

Create Named Profiles

$ aws configure --profile kenan-dev

AWS Access Key ID [None]: AKIAI44QH8DHBEXAMPLE
AWS Secret Access Key [None]: je7MtGbClwBF/2Zp9Utk/EXAMPLEKEY
Default region name [None]: eu-west-2
Default output format [None]: json

List AWS Profiles

aws configure list

AWS SAM CLI

Installing

brew tap aws/tap
brew install aws-sam-cli

Verifying

$ sam --version

SAM CLI, version 1.27.2

Upgrading

brew upgrade aws-sam-cli

Uninstalling

brew uninstall aws-sam-cli

Azure

Demo repository is in the following link.

https://github.com/nodejs-projects-kenanhancer/serverless-azure-functions-typescript-demo

Azure CLI

Installing

brew update && brew install azure-cli

Verifying

$ az --version

azure-cli                         2.26.1 *

core                              2.26.1 *
telemetry                          1.0.6

Python location '/usr/local/Cellar/azure-cli/2.26.1/libexec/bin/python'
Extensions directory '/Users/kenanhancer/.azure/cliextensions'

Python (Darwin) 3.8.11 (default, Jun 29 2021, 03:08:07) 
[Clang 12.0.5 (clang-1205.0.22.9)]

Legal docs and information: aka.ms/AzureCliLegal


You have 2 updates available. Consider updating your CLI installation with 'az upgrade'

Please let us know how we are doing: https://aka.ms/azureclihats
and let us know if you're interested in trying out our newest features: https://aka.ms/CLIUXstudy

Upgrading

brew update && brew upgrade azure-cli

# OR

az upgrade

Uninstalling

brew uninstall azure-cli

Azure Functions Core Tools

Installing

brew tap azure/functions
brew install azure-functions-core-tools@3

# if upgrading on a machine that has 2.x installed
brew link --overwrite azure-functions-core-tools@3

Verifying

$ func --version

3.0.3477

Upgrading

brew upgrade azure-functions-core-tools@3

Uninstalling

brew uninstall azure-functions-core-tools@3

TypeScript Object Oriented Programming

Posted on June 25, 2021June 25, 2021 by admin

https://github.com/nodejs-projects-kenanhancer/typescript-object-oriented-programming

See the Pen TypeScriptOOPDemo1 by kenanhancer (@kenanhancer) on CodePen.

How to create and run TypeScript project

Posted on June 14, 2021June 19, 2021 by admin

$ mkdir typescript-demo1

$ npm init -y

$ npm install --save-dev typescript @types/node rimraf

$ npx tsc --init --rootDir src --outDir build \
 --esModuleInterop --resolveJsonModule --lib es6 \
 --module commonjs --allowJs true --noImplicitAny true 

$ mkdir src

$ echo "console.log('Hello world');" > src/index.ts

$ npx tsc

$ node dist/index.js

Continue reading →

TypeScript Interface Function Types and Indexable Types

Posted on February 13, 2021February 14, 2021 by admin

Interface as Type

Implementing Interface

Demo1:

See the Pen TypeScriptInterfaceDemo1 by kenanhancer (@kenanhancer) on CodePen.

Continue reading →

How to create and run C# project

Posted on February 6, 2021March 14, 2021 by admin

This post is just a reminder for me. So in order to find more details about dotnet CLI, follow the below link

https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet

Creating a C# Project

Creating a Console Project

dotnet new console -o console-demo1

Creating a WebApi Project

dotnet new webapi -o webapi-todo-demo1

1. Creating a C# Console Project

-o or –output is location to place for new generated project.

dotnet new console -o enum_demo4

Folder Structure

Generated Project

Continue reading →

How to compile and run Java Projects with java and javac commands

Posted on February 4, 2021February 7, 2021 by admin

Compiling

-d is output directory for new generated class files.

How to compile single Java source file

javac -d ./target/classes src/main/java/com/extuni/enum_demo4/App.java

How to compile multiple Java source files

javac -d ./target/classes 
./src/main/java/com/extuni/enum_demo4/App.java 
./src/main/java/com/extuni/enum_demo4/Greeting.java 
./src/main/java/com/extuni/enum_demo4/Helper.java

How to compile multiple Java source files using wildcard

javac -d ./target/classes ./src/main/**/*.java

How to specify dependency jar file when compiling

Trying to compile ./src folder completely will throw exception due to junit.jar file dependency. So, it should be specified using -cp option which means –classpath as below.

javac -d ./target/classes -cp /Users/kenanhancer/.m2/repository/junit/junit/4.11/junit-4.11.jar ./src/**/*.java

Continue reading →

How to create and run Java project with Maven

Posted on January 31, 2021February 6, 2021 by admin

You can find more details in https://maven.apache.org/guides/getting-started/maven-in-five-minutes.html

1. Creating a Java Project with Maven

mvn archetype:generate 
    -DgroupId={project-package-name}
    -DartifactId={project-name}
    -DarchetypeArtifactId={maven-template-name}
    -DinteractiveMode=false
    -DarchetypeVersion=1.4

for example

mvn archetype:generate 
    -DgroupId=com.extuni.enum_demo4 
    -DartifactId=enum_demo4 
    -DarchetypeArtifactId=maven-archetype-quickstart 
    -DinteractiveMode=false 
    -DarchetypeVersion=1.4