Step Forward selection by the wrapping method by sequential feature selection getting error

Here the SFS is the imported api from mlxtend which is SequentialFeatureSelector from mlxtend.feature_selection import SequentialFeatureSelector as SFS sfs = SFS(RandomForestClassifier(random_state=0,n_estimators=100,n_jobs=-1),k_features=6,verbose=2,cv=4,n_jobs=-1,scoring=’accuracy’,forward=True,floating=False).fit(x_train,y_train) I am getting the error as below BrokenProcessPool: A task has failed to un-serialize. Please ensure that the arguments of the function are all pickable. but last time I had used the same thing…

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Click on Span withing table cell doesn’t work- Protractor/Typescript

Click on Span Selement withing Grid cell is not working. I tried with actions and below code, both did not work. Please advise. async SaveorCancelRow() { var table = this.component; var tbody = table.element(by.xpath(“.//tbody”)); var trs = tbody.all(by.tagName(“tr”)).get(1); //Click Save tr[@class=’SearchResultItemView customGridHighlight’]//td[3] await trs .element(by.xpath(‘.//td[3]//span[contains(@class, “save”)]’)) .click() .then(function() { browser.sleep(5000); }); } }

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SPARK 3.0 not able to save a DF as delta table

SPARK 3.0 not able to save a DF as delta table in HDFS Scala version 2.12.10 Spark version 3.0 Preview Able to do it in 2.4.4 but partition is not getting created. Input sample: Vehicle_id|model|brand|year|miles|intake_date_time v0001H|verna|Hyundai|2011|5000|2018-01-20 06:30:00 v0001F|Eco-sport|Ford|2013|4000|2018-02-10 06:30:00 v0002F|Endeavour|Ford|2011|8000|2018-04-12 06:30:00 v0001L|Gallardo|Lambhorghini|2013|2000|2018-05-16 06:30:00 // reading val deltaTableInput1 = spark.read .format(“com.databricks.spark.csv”) .option(“header”,”true”) .option(“delimiter”,”|”) .option(“inferSchema”,”true”) .load(“file”) .selectExpr(“Vehicle_id”,”model”,”brand”,”year”,”month”,”miles”,”CAST(concat(substring(intake_date_time,7,4),concat(substring(intake_date_time,3,4),concat(substring(intake_date_time,1,2),substring(intake_date_time,11,9))))…

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Error in referencing SDL in C Makefile (no IDE)

I have the following error: /usr/bin/ld: pixel_operations.o: in function `update_surface’: pixel_operations.c:(.text+0xf7): undefined reference to `SDL_UpperBlit’ /usr/bin/ld: pixel_operations.c:(.text+0x121): undefined reference to `SDL_GetError’ /usr/bin/ld: pixel_operations.c:(.text+0x114): undefined reference to `SDL_UpdateRect’ I have the following Makefile: CFLAGS= -Wall -Wextra -Werror -std=c99 -O3 CPPFLAGS=`pkg-config –cflags sdl` -MMD LDFLAGS= LDLIBS= `pkg-config –libs sdl` -lSDL_image EXEC= main SRC= matrix.o random.o pixel_operations.o layer.c…

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How to trace the error “getaddrinfo ENOTFOUND localhost 3306”

const express = require(‘express’); const mysql = require(‘mysql’); const session = require(‘express-session’); const path = require(‘path’); const bodyParser = require(‘body-parser’); const db = mysql.createConnection({ host: “localholst”, user: “root”, password: “password”, database: “nairobi” }); db.connect((err) =>{ if (err) throw err; console.log(‘database connected’); }) const app = express(); app.use(bodyParser.urlencoded({extended: true})); app.use(bodyParser.json()); app.use(express.static(‘public’)); app.get(‘/’, (req, res) =>{ res.sendFile(path.join(__dirname…

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