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Mastering Development

scrapy-splash give me this error “HTTP status code is not handled or not allowed”

from scrapy.spiders import Spider from scrapy_splash import SplashRequest from ..items import Tutorial2Item class MySpider(Spider): name = ‘splashspider’ start_urls = [‘https://www.livescore.bet3000.com’] #FIRST LEVEL def start_requests(self): for url in self.start_urls: yield SplashRequest(url=url, callback = self.parse, meta ={‘splash’:{‘endpoint’:’render.js’, ‘args’:{‘wait’:0.5,}}} ) # 1. SCRAPING def parse(self, response): item = Tutorial2Item() for game in response.xpath(“//div[@id=’srlive_matchlist’]”): item[“home_team”] = game.xpath(“//div[@id=’srlive_matchlist’]//td[contains(@class,’hometeam team home’)][contains(text(),’San […]

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Mastering Development

How To Make this table

I wish i can make this table Table that’s my array $column1=array(1,9,17,25,33,41,49,57); $column2=array(2,10,18,26,34,42,50,58); $column3=array(3,11,19,27,35,43,51,59); $column4=array(4,12,20,28,36,44,52,60); $column5=array(5,13,21,29,37,45,53,61); $column6=array(6,14,22,30,38,46,54,62); $column7=array(7,15,23,31,39,47,55,63); $column8=array(8,16,24,32,40,48,56,64); $totalArray=count($column1);

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Mastering Development

Add multiple arrays in Python

What I have created so far I have created an 18×18 square matrix of zeros called ‘master_matrix’. I have created an array called ingreso_datos, whose column 0 [col 0] indicates the data label. I have created a for loop where: For each data label I will have a little_matrix whose values will be assigned to […]

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Mastering Development

How may I constrain the parameter types to use a comparator less than on the data?

I need to sort the data that I use on the main function. How may I constrain the parameter types to use comparator less than to order the numbers? These are the instructions I have for the code: In this assignment, you will implement a generic ordered SortedLinkedList class based upon the generic LinkedList class […]

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Mastering Development

Normalise a dataframe in R

I have a dataframe named examples with some semantic features occurences: > str(examples) Classes ‘spec_tbl_df’, ‘tbl_df’, ‘tbl’ and ‘data.frame’: 50 obs. of 12 variables: $ filename : chr “Text01” “Text02” “Text03” “Text04” … $ Control : num 1 3 0 0 0 6 0 1 0 1 … $ Economic : num 1 3 0 […]

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Ask Mathematics

Given a Non-Fibonacci number , find the next Non-Fibonacci number

The Non-Fibonacci sequence is 4,6,7,9,10,11,……. Can we find the next non-fibonacci number if we are given any non-fibonacci number? For example, if n=4 then the answer should be 6 because 6 is the next Non-Fibonacci number after 4.

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Mastering Development

How to check if 2d vector element is in a certain index range

I want to check whether or not a certain element of a 2d vector is within an index range. For example, I have the following vector: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} How might I check whether or not the element number 7 (or [1][1]) is […]

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Ask Mathematics

Please Help With Finding Explicit Sequences

1) $0$, $1$, $1$, $2$, $3$, $5$, $8$, $13$, $21$, $34$, $55$, $89$…. 2) $2$, $4$, $5$, $7$, $8$, $9$, $11$, $12$, $13$, $14$, $16$, $17$….

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Mastering Development

Creating specific matrix in pure Python

I have little problem here. As I am not good in math I can’t figure this out tho. I need to create function that takes n as a parameter which is matrix size and creates matrix of this type [[1, -8, 9, -16] [2, -7, 10, -15] [3, -6, 11, -14] [4, -5, 12, -13]] […]

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Mastering Development

How to take mean of 3 values before flag change 0 to 1python

I have dataframe with columns A,B and flag. I want to calculate mean of 2 values before flag change from 0 to 1 , and record value when flag change from 0 to 1 and record value when flag changes from 1 to 0. # Input dataframe df=pd.DataFrame({‘A’:[1,3,4,7,8,11,1,15,20,15,16,87], ‘B’:[1,3,4,6,8,11,1,19,20,15,16,87], ‘flag’:[0,0,0,0,1,1,1,0,0,0,0,0]}) # Expected output df_out=df=pd.DataFrame({‘A_mean_before_flag_change’:[5.5], ‘B_mean_before_flag_change’:[5], […]