unclebean

import com.azure.identity.ManagedIdentityCredential;
import com.azure.identity.ManagedIdentityCredentialBuilder;
import com.azure.core.credential.TokenRequestContext;
import com.azure.core.credential.AccessToken;

public class AccessTokenFetcher {

    public static void main(String[] args) {
        // Define the resource you are requesting the token for (e.g., Azure Cognitive Search)
        String resource = "https://search.azure.com/";

unclebean

az identity show --name <umi-name> --resource-group <resource-group-name> --query clientId

unclebean

ManagedIdentityCredential managedIdentityCredential = new ManagedIdentityCredentialBuilder()
    .clientId("your-umi-client-id") // User Managed Identity Client ID
    .build();

String token = managedIdentityCredential.getToken(
    new TokenRequestContext().addScopes("https://ossrdbms-aad.database.windows.net/.default")
).block().getToken();

unclebean

 @Bean
    public CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        configuration.setAllowedOrigins(List.of("*"));  // Allow all origins, or specify specific ones
        configuration.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE", "OPTIONS"));  // Allow all methods
        configuration.setAllowedHeaders(List.of("*"));  // Allow all headers
        configuration.setAllowCredentials(true);  // Allow credentials like cookies

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);  // Apply CORS config to all endpoints

unclebean

import React, {useState, useCallback} from "react";

export const AllForexPairs = [
  {
    key: "USD_JPY",
    label: "USD/JPY",
  },
  {
    key: "AUD_USD",
    label: "AUD/USD",

unclebean

using PkgTemplates
t = Template(user="unclebean", license="MIT", dir="~/code", authors=["unclebean"], plugins=[TravisCI(),Codecov(),Coveralls()])
generate("Project", t)

unclebean

// remove none image
docker rmi -f $(docker images | grep "<none>" | awk "{print \$3}")

// remove image with dependent child images
docker rmi $(docker images --filter "dangling=true" -q --no-trunc)

// show stopped container
docker ps --filter "status=exited"

unclebean

Setup nodejs project

    # initial project
    npm init
    # install unit test dependencies, -D means --save-dev
    npm install -D mocha chai sinon chai-http nyc
    # integrate eslint & prettier & airbnb style guide
    npm install -D eslint prettier
    # peerdeps means to install corresponding airbnb version for eslint
 npx install-peerdeps --dev eslint-config-airbnb

unclebean

java 8

Lambdas
List<Person> people = loadPeolple();
people.sort((p1, p2) -> p1.name.compareTo(p2.name));

// no need final
public UnaryOperator<String> upperCaser(Locale locale) {
    return str -> str.toUpperCace(locale);
}

unclebean

set smartindent
set tabstop=4
set shiftwidth=4
set expandtab

# very nice vimrc configuration
# https://github.com/amix/vimrc