#UM

org.dom4j.DocumentException: unknown protocol: d Nested exception: unknown

最近用dom4j写了一个修改XML文件的小例子,抛出了如下异常:org.dom4j.DocumentException:unknownprotocol:dNestedexception:unknownprotocol:d在网上查了资料,问题的原因是Tomcat的安装路径有空格.d是Tomcat安装的盘符.解决的办法有两...

Oracle使用row_number()函数查询时增加序号列

  使用Oracle自带的row_number()函数能够实现自动增加序号列的要求,但是同时引发一个问题,如果我们查询出来的数据需要使用OrderBy排序的话,那么我们会发现新增加的序号列是乱序的,它会根据我们OrderBy后面的字段重新排序,那么怎么解决这一问题呢?很简单,我们再加上根据OrderBy排序就可以了。s...

<display:column>属性解释

参考官方网站:http://www.displaytag.org/1.2/displaytag/tagreference.html所有属性:autolink,class,comparator,decorator,defaultorder,escapeXml,format,group,headerClass,header...
代码星球 ·2020-06-12

pat 1100 Mars Numbers(20 分)

1100 MarsNumbers(20 分)PeopleonMarscounttheirnumberswithbase13:ZeroonEarthiscalled"tret"onMars.Thenumbers1to12onEarchiscalled"jan,feb,mar,apr,may,jun,j...
代码星球 ·2020-06-08

pat 1069 The Black Hole of Numbers(20 分)

1069 TheBlackHoleofNumbers(20 分)Forany4-digitintegerexcepttheoneswithallthedigitsbeingthesame,ifwesortthedigitsinnon-increasingorderfirst,andtheninnon...
代码星球 ·2020-06-08

pat 1023 Have Fun with Numbers(20 分)

1023 HaveFunwithNumbers(20 分)Noticethatthenumber123456789isa9-digitnumberconsistingexactlythenumbersfrom1to9,withnoduplication.Doubleitwewillobtain246...
代码星球 ·2020-06-08

pat 1120 Friend Numbers(20 分)

1120 FriendNumbers(20 分)Twointegersarecalled"friendnumbers"iftheysharethesamesumoftheirdigits,andthesumistheir"friendID".Forexample,123and51arefriendn...
代码星球 ·2020-06-08

pat 1144 The Missing Number(20 分)

1144TheMissingNumber(20分)GivenNintegers,youaresupposedtofindthesmallestpositiveintegerthatisNOTinthegivenlist.InputSpecification:Eachinputfilecontainsonetestcas...
代码星球 ·2020-06-08

如何解决UNMOUNTABLE BOOT VALUME

Windowserror:UNMOUNTABLEBOOTVALUME解决方法:Windows修复工具chkdsk命令chkdskD:/f ps:chkdsk磁盘名/f  ...

poj 2104 K-th Number (划分树)

K-thNumberTimeLimit:20000MS MemoryLimit:65536KTotalSubmissions:68467 Accepted:24208CaseTimeLimit:2000MSDescriptionYouareworkingforMacrohardcompanyinda...
代码星球 ·2020-06-08

hdu 1024 Max Sum Plus Plus (动态规划)

MaxSumPlusPlusTimeLimit:2000/1000MS(Java/Others)   MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):37418   AcceptedSubmiss...
代码星球 ·2020-06-08

hdu 1711 Number Sequence (KMP)

NumberSequenceTimeLimit:10000/5000MS(Java/Others)   MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):40538   AcceptedSubmis...

hdu 1530 Maximum Clique (最大包)

MaximumCliqueTimeLimit:20000/10000MS(Java/Others)   MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):5380   AcceptedSubmiss...

hdu 1385 Minimum Transport Cost (Floyd)

MinimumTransportCostTimeLimit:2000/1000MS(Java/Others)   MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):12860   AcceptedS...

给yum安装可视化管理界面

 适用图形界面用户:yuminstallyumex ...
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