(1) reflect 反射

(2) algorithm 算法

(3) RTTI（Run-Time Type Identification，运行时类型识别）与 强制类型转换dynamic_cast

(4) boost库学习

(5) 协程

(1) c++

(2) python

（1）google的C++编码规范 http://zh-google-styleguide.readthedocs.io/en/latest/google-cpp-styleguide/naming/

下载POM文件中的依赖：

mvn -f pom.xml dependency:copy-dependencies

export KAFKA_OPTS="-Djava.security.auth.login.config=/opt/kafka/config/kafka_server_jaas.conf"

bin/kafka-topics.sh --zookeeper localhost:2181/kafka --create --topic real_data_sync --partitions 1 --replication-factor 1

bin/kafka-topics.sh -zookeeper localhost:2181/kafka --list

bin/kafka-topics.sh -zookeeper localhost:2181/kafka --describe --topic real_data_sync

bin/kafka-topics.sh --delete --zookeeper localhost:2181/kafka --topic test

bin/kafka-console-consumer.sh --bootstrap-server localhost:19099 --topic test --group aaaa --from-beginning --consumer-property security.protocol=SASL_PLAINTEXT --consumer-property sasl.mechanism=PLAIN

bin/kafka-console-producer.sh --broker-list localhost:19099 --topic test --producer-property security.protocol=SASL_PLAINTEXT --producer-property sasl.mechanism=PLAIN

bin/kafka-topics.sh --alter --zookeeper localhost:2181/kafka --topic data_convert --partitions 2