04 2016 档案
摘要:来自:http://stackoverflow.com/questions/26892389/org-apache-spark-sparkexception-job-aborted-due-to-stage-failure-task-from-app SparkConf conf = new Spa
阅读全文
摘要:来自:http://www.hivemq.com/blog/mqtt-essentials-part-6-mqtt-quality-of-service-levels Quality of Service What is Quality of Service? The Quality of Serv
阅读全文
摘要:来自:https://dzone.com/refcardz/getting-started-with-mqtt SECTION 1 Why MQTT? The Internet of Things (IoT) has recently gained massive traction. IoT cha
阅读全文