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Mastering Development

No actual for constant interface in vhdl

I have the following entity, core, containing one of my components, generator. I pass generator a signal that is made from the sum of the generic m_r of core and the signal start of core. However upon trying to compile this, I get the error error: no actual for constant interface "m_r" pointing me to […]

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Mastering Development

Scrapy finishing process before all pages are scraped

I sat up a test Scrapy scraper which looks like this: import scrapy class testSpider(scrapy.Spider): name = ‘test’ start_urls = [‘https://www.realestate.com.kh/buy/’] def parse(self, response): nr_pages = response.xpath(‘//div[@class="desktop-buttons"]/a[@class="css-1en2dru"]//text()’).getall() for nr in range(1, 40): req_url = f’?page={nr}’ self.item = {} self.item[‘page’] = nr yield scrapy.Request(url=response.urljoin(req_url), callback=self.parse_page, meta={‘item’: self.item}) def parse_page(self, response): page = response.meta[‘item’][‘page’] ads = response.xpath(‘//*[@class="featured […]

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Arduino Ask Engineering

Cutting neopixel routine code short

I’ve been working on a level meter with a neopixel strip (WS2812). The code is very simple: reading a potentiometer, mapping the input and showing the output in the led strip. So far, so good. The code I include below is working fine but, obviously, ugly and repetitive. Since my knowledge of programming is very […]

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Mastering Development

Clear and Concise Way to apply Standardization to both Train and Test Set in R

I am selecting a 90/10 Training/Test split with some data in R. After I have the Training set. I would like to standardize it. I would then like to use the same mean and standard deviation used in the training set and apply that standardization to the test set. I would like to do this […]

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Mastering Development

How to add using LINQ query in C#

using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Text.RegularExpressions; namespace Assignment_1_Keshav_Thakur_991549498 { class PayrollDatabase { static List<Payroll> Payroll = new List<Payroll> { new Payroll("1", "S3001","32", "10", "01-01-2020"), new Payroll("2", "S3002","23", "20", "02-01-2020"), new Payroll("3", "S3003","20", "30", "03-02-2020"), new Payroll("4", "S3004","40", "40", "04-05-2020"), new Payroll("5", "S3005","25", "50", "07-08-2020"), };//Payroll menu public static void […]

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Mastering Development

Setting the supported file types for a MFCBrowseEdit control in File mode?

I have a MFC Browse Edit control on my dialog: When I hit the Browse button I see a File dialog, but it has no concept of file types: The list of file types is empty. Now, I know I can type something like *.jpg to filter for JPG images but ideally I want this […]

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Mastering Development

Finding common intersection between various values of a columns in a dataframe where values are array/list

I have a dataframe whose first 5 rows looks like this. userID CategoryID sectorID agunii2035 [16, 17, 3, 12, 1] [2, 33, 29, 18, 23] agunii3007 [2, 4, 6, 3, 16] [4, 15, 29, 10, 18] agunii2006 [8, 16, 2, 5, 12] [38, 18, 7, 36, 33] agunii2003 [6, 4, 2, 5, 17] [37, 12, […]

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Mastering Development

Needing some Guidance on Assembly Language?

I could use some help with reading assembly language. I have to find 6 numbers but I’m not sure where to look. I’ve tried typing in the ends of the addresses for example: 21, 24, 28, 32, 36, which are at the ends of the addresses: 0x00001b21, 0x00001b24, 0x00001b28, 0x00001b2d (not sure what this one […]

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Mastering Development

t test x not enough ‘x’ observations using R with package rstatix

I have the following dataset: structure(list(AgeGroup = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, […]

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Mastering Development

TFLite dynamic input shape

I am using TensorFlow 2.1 and trying to use variable-length input sequences for a recurrent neural network after conversion to TFLite. I first converted my Keras model to TFLite model using TFLite Converter. I built the model with input shapes [(None, 40), (1, 6, 2, 32)]. But after conversion into TFLite, the model accepts only […]