core主题的文章列表，还有core的技术要点_第1页

什么是Core Data的图形模型文件

CoreData的图形模型文件是一种文件类型，用来定义数据模型的结构和关系。它包含了实体（Entity）、属性（Attribute）、关系（Relationship）等信息，可以通过图形界面直观地创建和编辑数据模型。在iOS和macOS应用程序开发中，CoreData的图形模型文件通常使用.xcdatamodeld作为...

开发笔记 ·2024-09-24

springBoot required a bean of type org.springframework.data.redis.core.RedisTemplate

springBoot启动报错： requiredabeanoftype'org.springframework.data.redis.core.RedisTemplate' 产生这个问题的原因是：系统启动的时候没有扫描到这个RedisT...

开发笔记 ·2024-07-11

logback报错：ERROR in ch.qos.logback.core.joran.conditional.IfAction

报错信息如下Loggingsystemfailedtoinitializeusingconfigurationfrom'null'java.lang.IllegalStateException:Logbackconfigurationerrordetected: ERRORinch.qos.l...

开发笔记 ·2024-07-11

ORA-30094: failed to find the time zone data file for version string in $ORACLE_HOME/oracore/zoneinfo

文档解释ORA-30094:failedtofindthetimezonedatafileforversionstringin$ORACLE_HOME/oracore/zoneinfoCause:Therewasnocorrespondingtimezonedatafilein$ORACLE_HOME/oracore/...

IT技术学习 ·2023-07-19

ORA-18173: FTST0014 score computation restriction

文档解释ORA-18173:FTST0014scorecomputationrestrictionCause:Animplementationmayconstraintheformoftheexpressionusedtocomputescores.Itisastaticerrorif,duringthestatica...

IT技术学习 ·2023-07-18

ORA-10690: Set shadow process core file dump type (Unix only)

文档解释ORA-10690:Setshadowprocesscorefiledumptype(Unixonly)Cause:ControlcorefilesizeforshadowprocessesAction:Level1:DetachSGAbeforedumpingcoreLevel2:Donotproducean...

IT技术学习 ·2023-07-10

ORA-10691: Set background process core file type (Unix only)

文档解释ORA-10691:Setbackgroundprocesscorefiletype(Unixonly)Cause:ControlcorefilesizefileforbackgroundprocessesAction:Level1:DetachSGAbeforedumpingcoreORA-10691:Set...

IT技术学习 ·2023-07-08

ORA-48457: ADRCI core dumped

文档解释ORA-48457:ADRCIcoredumpedCause:Itisadrciinternalerror.Action:ReporttoOracleORA-48457:ADRCIcoredumped是由源码错误引起的一个软件错误，而不是由数据库错误引起的一个错误代码。其出现表示管理器处理ADR库档案意外地终止...

IT技术学习 ·2023-07-08

ORA-02779: Stat failed on core dump directory

文档解释ORA-02779:StatfailedoncoredumpdirectoryCause:Thepackagewasunabletogetinformationaboutthedirectoryintowhichtheserversaretodumpcoreintheeventofanexception.Act...

IT技术学习 ·2023-07-08

ORA-27126: unable to lock shared memory segment in core

文档解释ORA-27126:unabletolocksharedmemorysegmentincoreCause:insufficientprivilegestolocksharedmemorysegmentincoreAction:makesureprocessisrunningwithnecessaryprivil...

IT技术学习 ·2023-07-08

ORA-02780: Name given for the core dump directory is invalid

文档解释ORA-02780:NamegivenforthecoredumpdirectoryisinvalidCause:Thenamegivenforthedirectoryinwhichtheserverprocessesaretodumpcoreintheeventofanexceptiondoesnotcorr...

IT技术学习 ·2023-07-08

ORA-07445: exception encountered: core dump [string] [string] [string] [string] [string] [string]

文档解释ORA-07445:exceptionencountered:coredump[string][string][string][string][string][string]Cause:Anoperatingsystemexceptionoccurredwhichshouldresultinthecreatio...

IT技术学习 ·2023-07-08

MySQL Error number: MY-010108; Symbol: ER_CORE_VALUES; SQLSTATE: HY000

文档解释Errornumber:MY-010108;Symbol:ER_CORE_VALUES;SQLSTATE:HY000Message:setrlimitcouldnotchangethesizeofcorefilesto‘infinity’;Wemaynotbeabletogenerate...

IT技术学习 ·2023-07-01

.NET Core dotnet 实用命令大全

从.NetCore2.0开始，当发出下列命令时，如有必要，将隐式运行 dotnetrestore。dotnetnewdotnetbuilddotnetbuild-serverdotnetrundotnettestdotnetpublishdotnetpackdotnet命令主要是用来查看一些基本的信息，如平台...

开发笔记 ·2023-05-13

ASP.NET Core中使用SmtpClient发送邮件的方法代码

1、SmtpClient配置文件由于配置已经注入Startup.cs构造函数，我们可以使用我们的配置文件来存储我们的SmtpClient配置。{"Logging":{"IncludeScopes":false,"LogLevel":{"Default":"Debug","System":"Information","M...

开发笔记 ·2023-01-04