#art

echarts symbol png格式图片在pc端显示移动端不显示的问题

将图片转为base64位。points[i]={displayName:node.name,name:node.id,symbol:'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADYAAAA2CAYAAACMRWrdAAAACXBIWXMAAA7EAAAOxAG...

echarts 南丁格尔图(玫瑰图)

ECharts是一款由百度开发的数据可视化库,能够通过简单的配置生成各种类型的图表,其中包括南丁格尔图,也称为玫瑰图。南丁格尔图是一种用来展示多个类别数据的图表,通过将圆形等分成多个扇区,并以不同的角度和半径表示不同的数据,来展示数据的分布情况和比例关系。南丁格尔图的制作非常简单,主要分为以下几个步骤:1.准备数据:首...
开发笔记 ·2024-08-28

echarts 散点图

ECharts是一款由百度开发的优秀的数据可视化库,它支持各种类型的图表,包括折线图、柱状图、饼图等等。其中,散点图是一种非常常见且实用的图表类型,在展示数据分布、相关性等方面具有很好的效果。下面我将详细介绍ECharts中如何使用散点图,并结合一些示例说明其应用。首先,我们需要准备数据。散点图通常用来展示两个变量之间...
开发笔记 ·2024-08-28

使用diskpart合并U盘分区

DiskpartDiskpart是Windows自带的一款磁盘分区管理工具,包括创建分区、删除分区、合并(扩展)分区等并且它还可以设置动态磁盘、镜像卷输入cmd并按回车打开命令提示符窗口。然后依次输入以下命令并按回车diskpart#进入磁盘管理lisdis#列出所有盘seldis2#根据自己的盘选择clean#清空执...
开发笔记 ·2024-07-09

ORA-39164: Partition string was not found.

文档解释ORA-39164:Partitionstringwasnotfound.Cause:Ifexportingorimportingoverthenetwork,theuserspecifiedapartitionnamethatwasnotfoundinthesourcedatabase.Forimportin...

ORA-39754: FULL PARTITIONED OUTER JOIN is not supported

文档解释ORA-39754:FULLPARTITIONEDOUTERJOINisnotsupportedCause:AnattemptwasmadetouseFULLPARTITIONEDOUTERJOIN.Action:SpecifyFULLPARTITIONEDOUTERJOINthroughUNIONofLEFT...

ORA-39502: failed to notify CRS of a Startup/Shutdown event [string] (ignored)

文档解释ORA-39502:failedtonotifyCRSofaStartup/Shutdownevent[string](ignored)Cause:Theinstancewasunabletocreateanenvironmentcontext.Action:NoneRequired.Theerrorisign...
IT技术学习 ·2023-07-28

ORA-60007: adding (string) blocks to index string.string subpartition string with MAXSIZE (string)

文档解释ORA-60007:adding(string)blockstoindexstring.stringsubpartitionstringwithMAXSIZE(string)Cause:ExtendinganindexsubpartitionviolatedMAXSIZElimit.Action:Increas...

ORA-29953: cannot issue DDL on a domain index partition marked as FAILED

文档解释ORA-29953:cannotissueDDLonadomainindexpartitionmarkedasFAILEDCause:TriedtoissueaDROP/ALTERonadomainindexpartitioninaFAILEDstate.Action:doALTERINDEXREBUILDPA...
IT技术学习 ·2023-07-28

ORA-64115: XMLIndex Exchange Partition: the table has no XMLIndex

文档解释ORA-64115:XMLIndexExchangePartition:thetablehasnoXMLIndexCause:Thenon-partitionedtablehadnoXMLIndex.Action:NoneORA-64115:XMLIndexExchangePartition错误是指用户在对带有...

ORA-29846: cannot create a local domain index on a string partitioned table

文档解释ORA-29846:cannotcreatealocaldomainindexonastringpartitionedtableCause:Userspecifiedacreatelocaldomainindexstatementonatablepartitionedusingamethodnotsupport...

ORA-39500: failed to notify CRS of a Startup/Shutdown event for database “string”, instance “string” (ignored)

文档解释ORA-39500:failedtonotifyCRSofaStartup/Shutdowneventfordatabase“string”,instance“string”(ignored)Cause:Theinstancewasunabletoobtainth...

ORA-24776: cannot start a new transaction

文档解释ORA-24776:cannotstartanewtransactionCause:Anattemptwasmadetostartanewtransactionwhensessionwasalreadyattachedtoanexistingtransaction.Action:Endthecurrenttra...

ORA-39052: cannot specify SKIP_CURRENT on initial start of a job.

文档解释ORA-39052:cannotspecifySKIP_CURRENToninitialstartofajob.Cause:TheuserhasalreadyspecifiedSKIP_CURRENTforajobthathasneverexecuted.Action:OnlyspecifySKIP_CURRE...

ORA-26709: Streams RFS restart

文档解释ORA-26709:StreamsRFSrestartCause:Remotefileserver(RFS)processwasrestartedtoreflectachangeinDOWNSTREAM_REAL_TIME_MINEoptionoftheGoldenGate,XStreamorStreamsca...
IT技术学习 ·2023-07-28
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