ABDERRAOUF MAKHLOUF Raouf25

😎 Curious and passionate Web developer.

25 followers · 37 following

France
https://makhlouf-raouf.medium.com/

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Raouf25 / ListWithoutTypeCasting.java

Last active May 6, 2020 04:24

	List<String> list = new ArrayList<String>();
	list.add("hello");
	String s = list.get(0);

Raouf25 / CompileChecking.java

Created May 6, 2020 04:24

	List<String> list = new ArrayList<String>();
	list.add("hello");
	list.add(32);//Compile Time Error

Raouf25 / covid19api_data.json

Created August 8, 2020 09:56

	{
	"Global": {
	"NewConfirmed": 257886,
	"TotalConfirmed": 17849120,
	"NewDeaths": 5615,
	"TotalDeaths": 685038,
	"NewRecovered": 222627,
	"TotalRecovered": 10552934
	},
	"Countries": [

Raouf25 / Covid19Statistics.java

Created August 10, 2020 00:05

	package com.rest.api.covid19.domain;

	import com.fasterxml.jackson.annotation.JsonInclude;
	import com.fasterxml.jackson.annotation.JsonProperty;
	import lombok.Data;

	import java.util.List;

	@Data
	@JsonInclude(JsonInclude.Include.NON_NULL)

Raouf25 / Global.java

Created August 10, 2020 00:09

	package com.rest.api.covid19.domain;

	import com.fasterxml.jackson.annotation.JsonInclude;
	import com.fasterxml.jackson.annotation.JsonProperty;
	import lombok.Data;

	@Data
	@JsonInclude(JsonInclude.Include.NON_NULL)
	public class Global {

Raouf25 / Country.java

Created August 10, 2020 00:11

	package com.rest.api.covid19.domain;

	import com.fasterxml.jackson.annotation.JsonInclude;
	import com.fasterxml.jackson.annotation.JsonProperty;
	import lombok.Data;

	@Data
	@JsonInclude(JsonInclude.Include.NON_NULL)
	public class Country {

Raouf25 / Covid19apiApplication.java

Last active August 10, 2020 00:26

	package com.rest.api.covid19;

	import com.rest.api.covid19.domain.Country;
	import com.rest.api.covid19.domain.Covid19Statistics;
	import lombok.extern.slf4j.Slf4j;
	import org.springframework.boot.ApplicationArguments;
	import org.springframework.boot.ApplicationRunner;
	import org.springframework.boot.SpringApplication;
	import org.springframework.boot.autoconfigure.SpringBootApplication;
	import org.springframework.web.client.RestTemplate;

Raouf25 / flatMap-vs-map.java

Last active January 1, 2021 09:50

The flatMap method is similar to the map method with the key difference that the supplier you provide to it should return a Mono<T> or Flux<T> . Using the map method would result in a Mono<Mono<T>> whereas using flatMap results in a Mono<T> . For example, it is useful when you have to make a network call to retrieve a data, with a java api that …

	// Signature of the HttpClient.get method
	Mono<JsonObject> get(String url);

	// The two urls to call
	String firstUserUrl = "my-api/first-user";
	String userDetailsUrl = "my-api/users/details/"; // needs the id at the end

	// Example with map
	Mono<Mono<JsonObject>> result = HttpClient.get(firstUserUrl).
	map(user -> HttpClient.get(userDetailsUrl + user.getId()));

Raouf25 / docker-compose.yml

Last active April 19, 2022 05:07

	version: '3'
	services:
	postgres:
	container_name: container-postgresdb
	image: postgres
	hostname: postgres
	ports:
	- "6543:5432"
	environment:
	POSTGRES_USER: postgres

Raouf25 / container-postgresdb.sh

Last active January 27, 2021 20:43

	echo "Step 1- create a docker bridge network database-network "
	docker network create database-network

	echo "Step 2- create a docker conatiner: container-postgresdb "
	docker run --detach \
	--network database-network \
	--name container-postgresdb \
	--publish 5432:5432 \
	--env POSTGRES_USER=postgres \
	--env POSTGRES_PASSWORD=admin \

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