错误信息:C:\Python27\lib\site-packages\sklearn\utils\validation.py:395: DeprecationWarning: Passing 1d arrays as data is deprecated in 0.17 and will raise ValueError in 0.19. Reshape your data either using X.reshape(-1, 1) if your data has a single featu…

当我在导入sklearn这个库的时候,程序抛出了一个丢弃警告,它的意思是在版本更新后imp库已经不用了,用importlib来代替这个库 Warning (from warnings module):  File "C:\Users\33171\AppData\Local\Programs\Python\Python37\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle\cloudpickle.py", l…

I recently updated my node to 7.2.1 and noticed that there is a warning coming: (node:4346) DeprecationWarning: Calling an asynchronous function without callback is deprecated. What is this 4346 for? I only have 2000 lines in the js file, so it can't…

Python提示AttributeError 或者DeprecationWarning: This module was deprecated解决方法 在使用Python的sklearn库时,发现sklearn的cross_validation不能使用,在pycharm上直接显示为被横线划掉. 运行程序: import sklearn ... X, Xt, y, yt = sklearn.cross_validation.train_test_split(X, y) 报错: AttributeE…

深入浅出Webpack 1-5 使用pulugin extract-text-webpack-plugin 提取css报错 DeprecationWarning: Tapable.plugin is deprecated. Use new API on `.hooks` instead/Users/liuyi/Projects/webpackdemo/node_modules/webpack/lib/Chunk.js:846 打开github项目地址 https://github.com/web…

背景:在Spyder中写几行脚本,目的是应用sklearn自带的svm(支持向量机)算法,来对其自带的digits(手写体数字)数据集进行分类,过程包括训练阶段和预测阶段.将手写体数字数据的特征数据data.标签数据target的倒数第一个样本点作为测试样本点,其余作为训练样本. 问题描述:出现DeprecationWarning: Passing 1d arrays as data is deprecated in 0.17 and willraise ValueError in 0.19.…

原文地址 使用mongoose进行数据库操作时,总是提示: (node:5684) DeprecationWarning: Mongoose: mpromise (mongoose's default promise library) is deprecated, plug in your own promise library instead: http://mongoosejs.com/docs/promises.html 解决方法: 在var db = mongoose.connect("…

DeprecationWarning: decodestring() is a deprecated alias since Python 3.1, use decodebytes()…

mongoose报错:(node:15689) DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead. 解决办法: //连接数据库 mongoose.set('useCreateIndex', true) //加上这个 mongoose.connect(db, { useNewUrlParser: true })…

mongoose.connect('mongodb://localhost/test');报错:(node:2752) DeprecationWarning: `open()` is deprecated in mongoose >= 4.11.0, use `openUri()` instead, or set the `useMongoClient` option if using `connect()` or `createConnection()`.See http://mongoose…