11月28-30日，北京迎来了入冬以来的第一场雪，2019FlinkForwardAsia（FFA）也在初雪的召唤下顺利拉开帷幕。尽管天气寒冷，FFA实际到会人次超过2000，同比去年增加近100%。FlinkForward是由Apache官方授权举办的会议，每年在欧洲、北美洲、亚洲各举办一场。通过参会不仅...

第一、ssh服务默认是关闭的，需要手动打开[root@Asianux~]#servicesshdstart   启动[root@Asianux~]#chkconfigsshd--level35on    启动3，5模式下默认开启第二、ssh登录时，使...

把下面四个文件放到/etc/yum.repos.d目录下dag.repo：[dag]name=DagRPMRepositoryforRHEL5baseurl=http://mirrors.ustc.edu.cn/centos/5/os/x86_64/enabled=1gpgcheck=1gpgkey=http://mi...

　　最近需要在工程中加入JasperReports，其中要用到把报表导出为pdf文件的功能。JasperReports内部使用iText来输出pdf文档，而iText对中文是放在单独的包iTextAsian.jar中，于是需要在工程中加入iTextAsian。上网查找了好几个maven2的repository，都没有收...

题目：　　Mr.Pandalikesicecreamverymuchespeciallytheicecreamtower.AnicecreamtowerconsistsofKicecreamballsstackingupasatower.Inordertomakethetowerstable,thelowericecr...

题目：　　TheCodejamongameisonfire!Fansacrosstheworldarepredictingandbettingonwhichteamwillwinthegame.　　Agamblingcompanyisprovidingbettingoddsforallteams;theoddsfort...

题目：　　HereisWorldCupagain,thetop32teamscometogethertofightfortheWorldChampion.Theteamsareassignedinto8groups,with4teamsineachgroup.Everytwoteamsinthesamegroupwil...

题目：Mr.Pandaisoneofthetopspecialistsonnumbertheoryallovertheworld.NowMr.Pandaisinvestigatingthepropertyofthepowersof2.Since7istheluckynumberofMr.Panda,heisalways...

P2:Heshen'sAccountBookTimeLimit:1000msCaseTimeLimit:1000msMemoryLimit:512MBDescriptionHeshenwasanofficialoftheQingdynasty.Hemadeafortunewhichcouldbecomparableto...

A.Anastasiaandpebblestimelimitpertest:1secondmemorylimitpertest:256megabytesinput:standardinputoutput:standardoutputAnastasialovesgoingforawalkinCentralUzhlyand...