SQL Server误区30日谈 第4天 DDL触发器就是INSTEAD OF触发器
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Android Studio 3.0报错:Error:android-apt plugin is incompatible with the Android Gradle plugin. Please use 'annotationProcessor' configuration instead.
Android Studio 3.0执行android-apt报错:Error:android-apt plugin is incompatible with the Android Gradle plugin. Please use 'annotationProcessor' configura...
Vue 2属性插值: Interpolation inside attributes has been removed. Use v-bind or the colon shorthand instead.
Vue2在组件模板上使用双大括号{{}}对属性赋值:<divid="{{item.id}}"></div>报语法错误:Vuetemplatesyntaxerror:id="{{item.id}}":Interpolationinsideattributeshasbeenrem...
Android requires compiler compliance level 5.0 or 6.0. Found '1.8' instead. Please use Android Tools>Fix project Properties.
重装操作系统之后,或者破坏了Android的开发环境之后,需要重新配置好Android的开发环境。但是配置好后,导入原有的项目时,报错:Androidrequirescompilercompliancelevel5.0or6.0.Found'1.8'instead.PleaseuseAndroidT...
How do I tell dict() in Python 2 to use unicode instead of byte string?
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Avoid non-default constructors in fragments: use a default constructor plus Fragment#setArguments(Bundle) instead
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SQL Server:INSTEAD OF触发器会影响参照完整性检查吗?
Iwouldliketosetaforeignkeytonullifwhatitreferstodoesn'texist.However,Iwouldlikealltheotherreferentialintegritycheckstoworkasnormal.如果它所引用的内容不存在,我想将外键设...
tensorflow报错:Attempting to fetch value instead of handling error Internal: failed to get device attribute 13 for device 0: CUDA_ERROR_UNKNOWN:
就是在spyder跑上一篇文章的代码然后就报错:AttemptingtofetchvalueinsteadofhandlingerrorInternal:failedtogetdeviceattribute13fordevice0:CUDA_ERROR_UNKNOWN:问就是显卡内存太次了。。新开t...
how to change a symbolic link instead of deleting it?
someonetoldmethatifiwanttochangeasymboliclinkafteritiscreated,ishouldusethe-foptions,soitry:andy@AndyMacBookPro:/usr/local/webdata$llunionlrwxr-xr-x1a...
ValueError: Expected 2D array, got 1D array instead
python有一个非常棒的机器学习依赖包sklearn,用于实现机器学习的很多算法,本文将介绍用sklearn中的决策树的接口来实现决策树。决策树是一种用于分类的算法,是一种监督学习算法,具体有id3、c4.5和cart三种算法组成。首先通过csv来导入数据集,注意csv格式是按照每一列以逗号为分隔...
决策树python建模中的坑 :ValueError: Expected 2D array, got 1D array instead:
决策树python建模中的坑代码#coding=utf-8fromsklearn.feature_extractionimportDictVectorizerimportcsvfromsklearnimporttreefromsklearnimportpreprocessingfromsklearn...
sklearn中报错ValueError: Expected 2D array, got 1D array instead:
1fromsklearn.linear_modelimportLinearRegression2lr=LinearRegression()3print(tr_x.shape,tr_y.shape)4lr.fit(tr_x,tr_y)567#报错8(64,)(64,)9Traceback(mostr...
python 使用sk_learn 遇到 问题ValueError: Expected 2D array, got 1D array instead:
这里我找到我的问题是:使用的是一个新的scikit学习版本,它抛出了一个错误,因为在新版本中,所有东西都必须是一个二维矩阵,甚至是一个列或行。它甚至说:用数组来重塑你的数据。如果您的数据有一个单独的特性或数组,那么重构(-1,1)。重构(1,-1)如果它包含一个单一的样本这是在git上面看到的一个国...
mysql unique option prefix myisam_recover instead of myisam-recover-options的解决方法
Using unique option prefix myisam_recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead
【pytorch报错解决】expected input to have 3 channels, but got 1 channels instead
遇到的问题数据是png图像的时候,如果用PIL读取图像,获得的是单通道的,不是多通道的。虽然使用opencv读取图片可以获得三通道图像数据,如下:def__getitem__(self,idx):image_root=self.train_image_file_paths[idx]image_nam...