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AtCoder Beginner Contest 294

题解报告 基本的一些理解和问题都在注释中 A:Filter //水题 #include <cstdio> #include <algorithm> #include <cstring> #include <iostream> using namespace std; int main(void) { ......
Beginner AtCoder Contest 294

Logstash could not be started because there is already another instance using the configured data directory

#执行报错[root@logstash-95 ~]# logstash -f /etc/logstash/conf.d/stdin-test.conf Using bundled JDK: /usr/share/logstash/jdk OpenJDK 64-Bit Server VM warnin ......
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