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Mastering Development

Group by and update value based on another column using python

I have a data frame with below columns, using which need to create new columns by grouping Name. Status should be updated as active to entire group if it is active for any one St. data = {‘Name’:[‘Tom’, ‘Tom’, ‘krish’, ‘jack’,’jack’,’Nam’,’sue’], ‘St’:[‘S-123’, ‘S-290’, ‘S-123’, ‘S-147′,’S-98′,’S-123′,’S-38’], ‘Status’:[‘Inactive’,’active’,’active’,’inactive’,’active’,’Inactive’,’Inactive’]} df = pd.DataFrame(data) The desired output is Name St […]

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Arduino Ask Engineering

How can I get an integer from an RFID tag into a URL over serial communication?

I want to scan an RFID tage on an MFRC522 connected to an Arduino Mega, take that integer (of differing lengths for different tags) and pass it to an ESP8266 NodeMCU 12-E using serial communication, and have the ESP8266 create a URL (e.g., ‘http://socialtickr.com/kidskillz/sendstringtoESPa.php?tag=24498’) sent over wifi. The server should respond by creating and sending […]

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Mastering Development

Add a new row to a dataframe by clicking on a datatable row and actionbutton

I have the shiny app and the dataframes below. When I click on a row I get a text which displays the similarity of this attribute_name with a . If I click Next I get the similarity of the same attribute_name with the next candidate_2. I want to be able to press the Add actionbutton() […]

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Mastering Development

How to remove duplicate String arrays in an ArrayList while disregarding the first index in java

Say I have an ArrayList<String[]> like so: ArrayList<String[]> arrayList = new ArrayList<>(); arrayList.add(new String[]{"1", "hello", "goodbye"}); arrayList.add(new String[]{"2", "car", "goodbye"}); arrayList.add(new String[]{"3", "jack", "goodbye"}); arrayList.add(new String[]{"4", "mcdonalds", "goodbye"}); arrayList.add(new String[]{"5", "hello", "goodbye"}); [[1, hello, goodbye], [2, car, goodbye], [3, jack, goodbye], [4, mcdonalds, goodbye], [5, hello, goodbye]] How can I write a function to remove […]

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Mastering Development

How do I graph a distribution curve that shows percent of total population on the Y-axis

I am trying to use matplotlib to graph the distribution of salary grouped by region, with the y-axis showing the % of people having that salary. So far I have been able to come up with: import pandas as pd import numpy as np import matplotlib.pyplot as plt records = pd.DataFrame({‘Name’: [‘John’,’Rachel’,’Tom’,’Stan’,’Jack’,’Ben’,’Joe’,’Juliet’,’Nigel’,’Veronica’,’Cam’], ‘salary’: [40104,29401,57383,38494,99302,44733,40242,49555,13934,44011,88920], ‘Country’: […]

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Mastering Development

So i’m trying to make black jack with php [closed]

I’m trying to make blackjack with PHP but I do not know how to + 2 rand functions together so I could make 1 variable called value. Where the two random function outcomes would be summarized together. I’ve been trying to make it like this but it does not work… $two = 2; $three = […]

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Mastering Development

Issue using images in Python Tkinter

I am creating a Blackjack GUI game with Tkinter and I’m running into an issue where the deal button clears the image of the old card from the screen when a new one is added. My educated guess is the card_image inside the deal() function is overwriting itself when I use the function again. If […]

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Mastering Development

Can we use FIND_IN_SET() function for multiple column in same table

NOTE : I tried many SF solution, but none work for me. This is bit challenging for, any help will be appreciated. I have tables below: CREATE TABLE `tbl_pay_chat` ( nId int(11) NOT NULL AUTO_INCREMENT, npayid int(11) NOT NULL, nSender int(11) NOT NULL, nTos varchar(255) binary DEFAULT NULL, nCcs varchar(255) binary DEFAULT NULL, sMailBody varchar(500) […]

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Mastering Development

how to create python dictionary

how in will get output of following string as { ‘id’: [1, 17], ‘name’: [‘Jack’, ‘Betty’], ‘age’: [68, 88], ‘act.’: [‘T’, ‘F’], ‘room’: [13, 15], ‘dep.’: [8, 7] } from this string s="id,name,age,act.,room,dep.,marks\n1,Jack,68,T,13,8,90\n17,Betty,88,F,15,7,65,\n17,Betty,88,F,15,7,65"

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Mastering Development

How can I fix two classes that won’t show the output?

I am trying to get the Team Roster and Coach class to show the output, however, when I run the program it doesn’t produce the output. It only produces the first-class but after that, no output is shown. public class Team { public static void main(String[] args) { String team_name = "Team Georgia"; System.out.println(team_name); } […]