OpenJDK:8-jdk-alpine验证码无法显示 Java.lang.NullPointerException at sun.awt.FontConfiguration.getVersion
What is the $1? Is that the match found for (\\d+)? $line =~ /^(\\d+)\\s/; next if(!defined($1) ) ; $paperAnnot{开发者_运维技巧$1} = $line;