#vec

ORA-09838: removeCallback: failure removing the callback port.

文档解释ORA-09838:removeCallback:failureremovingthecallbackport.Cause:Theportport_set_removesystemcallfailed.Action:Possibleoperatingsystemerror.ContactOraclesuppor...

ORA-09855: removeCallback: bad message format.

文档解释ORA-09855:removeCallback:badmessageformat.Cause:Theroutinereceivedanincorrectlyformattedrequest.Action:Internalerror.ContactOraclesupport.官方解释ORA-09855表示用于从...

ORA-27066: number of buffers in vector I/O exceeds maximum

文档解释ORA-27066:numberofbuffersinvectorI/OexceedsmaximumCause:internalerror,numberofbuffersinvectorI/OexceedsmaximumallowedbytheOSD,additionalinformationindicates...
IT技术学习 ·2023-07-16

ORA-09839: removeCallback: callback port is not in the callback set.

文档解释ORA-09839:removeCallback:callbackportisnotinthecallbackset.Cause:Theporttoberemovedtothecallbacklistisnotinthecallbackportset.Action:Internalerror.ContactOr...

ORA-27065: cannot perform async vector I/O to file

文档解释ORA-27065:cannotperformasyncvectorI/OtofileCause:internalerror,askedtoperformasyncvectorI/OwhenitcannotbeperformedonthefileAction:checkfortracefileandcontac...

ORA-40251: no support vectors were found

文档解释ORA-40251:nosupportvectorswerefoundCause:Theinputdataisnon-predictiveinnature,oroneoftheinputsettingsisincorrect/incompatiblewithrespecttotheinputdata.Actio...

ORA-02807: Allocation of memory for I/O vectors failed.

文档解释ORA-02807:AllocationofmemoryforI/Ovectorsfailed.Cause:TheclientwasunabletoallocatememoryforthearrayofI/Ovectorsthattheserversaretouse.Action:ContactyourSyst...

sklearn 中的Countvectorizer/TfidfVectorizer保留长度小于2的字符方法

在sklearn中的sklearn.feature_extraction.text.Countvectorizer()或者是sklearn.feature_extraction.text.TfidfVectorizer()中其在进行却分token的时候,会默认把长度<2的字符抛弃,例如下面的例子:x=['ilov...

ul li span addClass removeClass

<linktype="text/css"href="./style/css/base.css"rel="stylesheet"><linktype="text/css"href="./style/css/services.css"rel="stylesheet"><sectionclass...

addClass+siblings+removeClass用意:

$(this).addClass("li_add").siblings().removeClass("li_add").children('.floor2').html();该元素增加一个类li_add同时它的兄弟元素去掉li_add类,并获取它的子元素.floor2里的html内容...

分析轮子(五)- Vector.java

注:玩的是JDK1.7版本一: 先上类图,从类图上看和ArrayList.java非常相像,可查看 分析轮子(一)-ArrayList.java二:然后看源码,发现和ArrayList.java各种实现上也非常的相像,他们的底层数据结构都是数组,并且都可以动态扩展,所以,不再重述了,有兴趣可以查看&...
代码星球 ·2021-02-17

svg矢量图绘制以及转换为Android可用的VectorDrawable资源

项目需要要在快速设置面板里显示一个VoWiFi图标(为了能够区分出来图形,我把透明的背景填充为黑色了)由于普通图片放大后容易失真,这里我们最好用矢量图(SVG(ScalableVectorGraphics))来做图标,而系统状态栏图标多是用vectorDrawable绘制,所以我们的最终目的就是绘制一个上图中样式的An...

vector push_back数量大的时候变慢

才用15000个数据 push_back耗时就好几秒,解决方法是先resize15000,然后再for(inti=0;i<15000;i++){   Datadata;   m_dataVect[i]=data;}没详细用时间戳试过减少多少时间...

vector中resize和reserve的区别,代码验证

#include<vector>usingnamespacestd;intmain(){vector<int>resizeVect;vector<int>reserveVect;resizeVect.resize(50,2);//立即分配50个int,每个值为2,默认值为0,如果是c...
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