1. install vsftpd.(PS:procedure 1-4 under the circumstance that the firewall is closed and the iptables is inactive) 2.configurations about vsftpd. 3. Read More
简介 运行hadoop或者spark(调用hdfs等)时,总出现这样的错误“Unable to load native-hadoop library for your platform”,其实是无法加载本地库 解决办法 1.环境变量是否设好(设好但是还不行尝试第二步) export HADOOP_C Read More
简介 Boost is a set of libraries for the C++ programming language that provide support for tasks and structures such as linear algebra, pseudorandom num Read More
简介 Husky是一个大数据分布式开发框架,用C++开发,因为粗粒度(coarse-grained)平台(如Spark,Hadoop,Flink)MR耗时太大,然后细粒度(fine-grained)平台(GraphX等)编程难度较大,同时细粒度在数据平台之间转移会很耗时。Husky就是在粗粒度和细粒 Read More
题目来源 https://leetcode.com/problems/valid-palindrome/ Given a string, determine if it is a palindrome, considering only alphanumeric characters and ign Read More