Trending questions in Edureka Community

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I am trying to search for attach window activity in my community edition but could not find it. Please help.

In activities panel, type in only "attach" ...READ MORE

Nov 5, 2020 in RPA by Umesh
1,904 views
0 votes
1 answer

org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: hdfs://localhost:54310/user/hduser/input.

Hi@akhtar, It seems you are providing the wrong ...READ MORE

Oct 13, 2020 in Big Data Hadoop by MD
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2,861 views
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1 answer

How do I get the last inserted ID of a MySQL table in PHP?

Hello @kartik, If you're using PDO, use PDO::lastInsertId. If you're ...READ MORE

Oct 22, 2020 in PHP by Niroj
• 82,840 points
2,470 views
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How do I concatenate two lists in Python?

You can use the + operator to combine them: listone ...READ MORE

Dec 3, 2020 in Python by anonymous
• 65,770 points
653 views
+1 vote
1 answer

How to assign a column in Spark Dataframe (PySpark) as a Primary Key?

spark do not have any concept of ...READ MORE

Jan 12, 2020 in Apache Spark by Sirish
• 160 points
14,778 views
0 votes
1 answer

Unable to Connect to import or direct query reports

Check your cached data sources. Once in ...READ MORE

Nov 20, 2020 in Power BI by Gitika
• 65,770 points
1,250 views
0 votes
1 answer

How to create a URL in the controller .NET MVC?

Hello @kartik, If you just want to get ...READ MORE

Jul 23, 2020 in Angular by Niroj
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6,403 views
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1 answer

How to create directory of current username in ruby on Linux server

Hi, The command whoami is used to know ...READ MORE

Nov 25, 2020 in Linux Administration by MD
• 95,460 points
993 views
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I've been trying to run this code, but the error says "Expected an indented block" for the line, " word_as_list[index] = guess."

Hi, @Paradox, The error message IndentationError: expected an indented ...READ MORE

Nov 21, 2020 in Python by anonymous
• 65,770 points
1,196 views
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How to center a popup window on screen?

Hello @kartik, Use this: function popupwindow(url, title, w, h) ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
• 82,840 points
4,580 views
0 votes
1 answer

How to find all occurrences of a substring?

There is no simple built-in string function ...READ MORE

Nov 25, 2020 in Python by Gitika
• 65,770 points
1,014 views
0 votes
1 answer

Error:UnexpectedValueException: The Response content must be a string or object implementing __toString(), "object" given.

Hii, You can simply use: $new_collection = $collection->merge($other_collection). Hope it ...READ MORE

Nov 12, 2020 in Laravel by Niroj
• 82,840 points
1,554 views
0 votes
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How to create a Kubernetes cluster with a specific version?

Hi@akhtar, You can create a Kubernetes Cluster in ...READ MORE

Nov 17, 2020 in Azure by MD
• 95,460 points
1,362 views
0 votes
1 answer

Installing specific package versions with pip

TL;DR: pip install -Iv (i.e. pip install -Iv MySQL_python==1.2.2) First, I ...READ MORE

Nov 22, 2020 in Python by Gitika
• 65,770 points
1,109 views
0 votes
1 answer

How to get information about differences for a commit specifier in a repository in AWS CodeCommit?

Hi@akhtar, You can get information about the differences ...READ MORE

Nov 24, 2020 in AWS by MD
• 95,460 points
1,055 views
0 votes
1 answer

How to delete an IAM user using AWS CLI?

Hi@akhtar, You can delete the specified IAM user. ...READ MORE

Nov 3, 2020 in AWS by MD
• 95,460 points
1,924 views
0 votes
1 answer

How to change url after success in ajax without page reload?

Hello @kartik, Use the browser history to change ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
• 82,840 points
10,046 views
0 votes
1 answer

Latest Microsoft AZ-304 Dumps for Exams Revision Guaranteed

Hi, @pamega, Thanks for the info. READ MORE

Nov 30, 2020 in Others by Gitika
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803 views
0 votes
1 answer

What is the linux command to find Memory and CPU usage in percent for last 30 days?

Try the following: Cat proc/meminfo top top -i less /proc/memin ...READ MORE

Oct 14, 2020 in Linux Administration by Kim
2,783 views
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1 answer

How to install Azure CLI on macOS?

Hi@akhtar, For the macOS platform, you can install ...READ MORE

Nov 13, 2020 in Azure by MD
• 95,460 points
1,500 views
0 votes
1 answer

How to compare two string with some characters only in python?

You could use in to check if a string ...READ MORE

Nov 26, 2020 in Python by Gitika
• 65,770 points
923 views
0 votes
1 answer

How to unzip a file with php?

Hello @kartik. PHP has built-in extensions for dealing ...READ MORE

Sep 29, 2020 in Laravel by Niroj
• 82,840 points
3,426 views
0 votes
1 answer

How to create a Cluster Subnet Group in AWS RedShift?

Hi@akhtar, You can create a new Amazon Redshift subnet ...READ MORE

Nov 27, 2020 in AWS by MD
• 95,460 points
888 views
0 votes
1 answer

How to add metadata tags to an AWS DMS resource?

Hi@akhtar, You can add metadata tags to an AWS ...READ MORE

Nov 26, 2020 in AWS by MD
• 95,460 points
915 views
0 votes
1 answer

How to know if an object has an attribute in Python?

Try hasattr(): if hasattr(a, 'property'): a.property The ...READ MORE

Dec 2, 2020 in Python by Gitika
• 65,770 points
653 views
0 votes
1 answer

How to validate the sudoers file before changing the file in Ansible?

Hi@akhtar, You can do this using lineinfile module ...READ MORE

Sep 2, 2020 in Ansible by MD
• 95,460 points
4,587 views
0 votes
1 answer

Error:UnicodeDecodeError when reading CSV file in Pandas with Python

Hello @kartik, Try this: import pandas as pd df = ...READ MORE

Jun 15, 2020 in Python by Niroj
• 82,840 points
8,007 views
0 votes
1 answer

ERROR: Could not install packages opencv-contrib-python due to an EnvironmentError: [WinError 5] Access is denied:

Hi@akhtar, I think you are trying to install ...READ MORE

Apr 20, 2020 in Machine Learning by MD
• 95,460 points
10,421 views
0 votes
0 answers

my 501(c)3 Hope Research

first under the subway back home, My ...READ MORE

Dec 4, 2020 in Ask us Anything! by Robert
• 120 points
614 views
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1 answer

How to launch an emulators from Flutter?

Hi@akhtar, Before launching emulators you should check if ...READ MORE

Jul 20, 2020 in Others by MD
• 95,460 points
6,484 views
0 votes
1 answer

i cannot add chromedriver to my path on mac.what should i do? can you tell me full procedure? i am new to selenium.

Hello @Divya, You can refer this regarding your ...READ MORE

Nov 25, 2020 in Selenium by Niroj
• 82,840 points
966 views
0 votes
1 answer

Unable to find the chromedriver executable

Please download the server from http://code.google.com/p/chromedriver/downloads/list and place it ...READ MORE

Nov 27, 2020 in Selenium by Gitika
• 65,770 points
856 views
0 votes
1 answer

How to check the name of the hadoop server?

Hi@akhtar, If you're running a pseudo-distributed setup, you ...READ MORE

Oct 13, 2020 in Big Data Hadoop by MD
• 95,460 points
2,797 views
0 votes
1 answer

Laravel 5.1 date_format validation allow two formats

Hello @kartik, The date_format validator takes only one date format ...READ MORE

Sep 30, 2020 in Laravel by Niroj
• 82,840 points
3,363 views
0 votes
0 answers

How to create Personalised QR code using Python?

How to read and generate QR codes ...READ MORE

Nov 27, 2020 in Python by kartik
• 37,520 points
897 views
0 votes
1 answer

AttributeError: 'NoneType' object has no attribute 'find'

Hi@akhtar, It seems Sklearn is not installed properly ...READ MORE

Jun 23, 2020 in Python by MD
• 95,460 points
7,661 views
0 votes
1 answer

How to read an excel file (name User defined) from a path using python?

Hi @There, As the path is fixed, use ...READ MORE

Aug 13, 2020 in Python by Gitika
• 65,770 points
5,446 views
+1 vote
1 answer

Publishing SNS Message with Customized subject

Hello @ srinivas, Amazon SNS allows users to specify ...READ MORE

Aug 3, 2020 in AWS by Niroj
• 82,840 points
5,884 views
0 votes
1 answer

How to handle frame in WebDriver?

An inline frame acronym as iframe is ...READ MORE

Nov 30, 2020 in Selenium by Gitika
• 65,770 points
711 views
0 votes
1 answer

How can I determine the direction of a jQuery scroll event?

Hello @kartik, Check current scrollTop vs previous scrollTop var lastScrollTop = 0; $(window).scroll(function(event){ ...READ MORE

Nov 24, 2020 in JQuery by Niroj
• 82,840 points
982 views
0 votes
1 answer

How do I specify unique constraint for multiple columns in MySQL?

Hello @kartik, Use this: ALTER TABLE `votes` ADD UNIQUE ...READ MORE

Aug 18, 2020 in PHP by Niroj
• 82,840 points
5,215 views
0 votes
1 answer

How can I list txt files into the folder?

Hello @Mziko You can refer this:https://datatofish.com/txt-files-d ...READ MORE

Nov 26, 2020 in Python by Niroj
• 82,840 points
901 views
0 votes
1 answer

Getting the last element of a list

some_list[-1] is the shortest and most Pythonic. In fact, ...READ MORE

Dec 3, 2020 in Python by anonymous
• 65,770 points
578 views
0 votes
1 answer

How to set Environment Variables for Node to retrieve?

Hello, Environment variables (in this case) are being ...READ MORE

Nov 26, 2020 in Node-js by Niroj
• 82,840 points
880 views
+1 vote
1 answer

When to use Hadoop, HBase, Hive and Pig?

MapReduce is just a computing framework. HBase has ...READ MORE

Nov 20, 2020 in Big Data Hadoop by Gitika
• 65,770 points
1,099 views
0 votes
1 answer

Help please on basic python web server

Hi, @There, The error is because there is ...READ MORE

Oct 27, 2020 in Python by Gitika
• 65,770 points
2,227 views
0 votes
1 answer

How to Test a string for a substring?

if "ABCD" in "xxxxABCDyyyy": ...READ MORE

Nov 26, 2020 in Python by Gitika
• 65,770 points
874 views
0 votes
1 answer

How to update an existing Kubernetes cluster with new service principal in Azure?

Hi@akhtar, Sometimes it is required to update the ...READ MORE

Nov 17, 2020 in Azure by MD
• 95,460 points

edited Oct 7, 2021 by Sarfaraz 1,278 views
0 votes
1 answer

How to create a new service in ECS cluster behind a load balancer?

Hi@akhtar, The following create-service example shows how to create a ...READ MORE

Nov 8, 2020 in AWS by MD
• 95,460 points
1,664 views
0 votes
1 answer

How do I escape a single quote in SQL Server?

Hello @kartik, Single quotes are escaped by doubling ...READ MORE

Jul 21, 2020 in PHP by Niroj
• 82,840 points
6,408 views