alexandreaquiles

Como usar JSP com Spring Boot?

Passo a passo

No pom.xml, adicione as seguintes dependências:

<!-- JSP-->
<dependency>
    <groupId>org.apache.tomcat.embed</groupId>

alexandreaquiles

; predicate

(defn maior-que-100? [valor]
  (> valor 100))

(defn sorteado? [_]
  (> (rand) 0.5))

(defn valor-descontado [valor-bruto aplica-desconto?]
  (let [desconto 0.1]

alexandreaquiles

for (let n = 1; n <= 100; n++) {

    let text = '';

    if (n % 3 === 0) {
        text = 'Fizz';
    }

    if (n % 5 === 0) {
        text = text + 'Buzz';

alexandreaquiles

<script>
var i = 0;
while(i < 7){
    var j = 0;
    while(j <= i){
        document.write("#");
        j++
    }
    i++
    document.write("<br>");

alexandreaquiles

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alexandreaquiles

(defn eval* [e a]
  (defn atom* [x]
    (or (= x '()) (not (seq? x))))
  (defn null* [x]
    (= x '()))
  (defn and* [x y]
    (cond x
          (cond y true
                :default false)
          :default false))

alexandreaquiles

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alexandreaquiles

• Create a topic with 3 partitions: bin/kafka-topics.sh --bootstrap-server localhost:9092 --create --topic TEST --partitions 3
• Alter the number of partitions of an existing topic to 3: bin/kafka-topics.sh --bootstrap-server localhost:9092 --alter --topic BOOK_ORDERS --partitions 3
• List consumer groups: bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --list
• Describe consumers groups and its partitions and offsets: bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --describe --group EbookGeneratorService
• Describe partitions and offsets of all consumer groups: bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --describe --all-groups

alexandreaquiles

• Install Kafka
• Change config/zookeeper.properties and config/server.properties to use non-temporary folders
• Run Zookeeper: bin/zookeeper-server-start.sh config/zookeeper.properties
• Run Kafka: bin/kafka-server-start.sh config/server.properties
• Produce some records to the ebooks topic: bin/kafka-console-producer.sh --bootstrap-server localhost:9092 --topic ebooks
• Consume the ebooks topic from the beginning: bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic ebooks --from-beginning
• List the topics bin/kafka-topics.sh --bootstrap-server localhost:9092 --list
• Describe the ebooks topic: bin/kafka-topics.sh --bootstrap-server localhost:9092 --describe --topic ebooks

alexandreaquiles

(defn square [x]
  (* x x))

(defn average [x y]
  (/ (+ x y) 2))

(defn improve [guess x]
  (average guess (/ x guess)))

(defn abs [x]