Comparing characters at the same index of two strings

Advertisements I am trying to compare the characters of two strings at a given index. However, I am getting the following error: Line 9: Char 26: error: invalid operands to binary expression (‘const __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type’ (aka ‘const char’) and ‘const std::__cxx11::basic_string<char>’) if (s[i] != letter) { return s.substr(0, i); } ~~~~ ^ ~~~~~~ Here is… Read More Comparing characters at the same index of two strings

Unable to connect to a url with python request module

Advertisements I’m unable to connect to the URL using requests module, but it works fine when browsed in a browser. Could it be some robots.txt issue Allowed/Disallowed issue ? Below is the codebase. import requests r = requests.get(‘https://myntra.com&#8217;) print(r) >Solution : Some websites block access from non-web browser ‘User-Agents’ to prevent web scraping, including from… Read More Unable to connect to a url with python request module

How to use `label_date_short`?

Advertisements How I am using wrongly label_date_short from scales package? library(tidyverse) library(scales) date_taille <- tibble( Taille = rep(c("taille_hiver", "taille_ete"), times = 2), Date_taille = c("2016-08-01", "2016-02-01", "2018-08-01", "2018-02-01") %>% as.Date() ) ggplot(date_taille) + aes(x = Date_taille, y = Taille) + geom_point() + scale_x_date(date_breaks = "month", date_labels = label_date_short()) #or label_date() #> Error in format(x, format… Read More How to use `label_date_short`?

POSIX Thread. Why is the producer-consumer program terminated?

Advertisements I tried to write a simple C producer-consumer program using POSIX Thread, a library for working with threads. The code has a global queue from where threads exchange information. The queue has been tested and should work correctly. There are also two threads involved: Producer. Generates a random number and puts it in a… Read More POSIX Thread. Why is the producer-consumer program terminated?