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How do I access the individual elements of a pair? Good afternoon! It is not possible to access the elements of the pair individually. There is a list. ArrayList<Pair<String, String>> words = new ArrayList ...
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How can I check if a character is among the allowed ones without regular expression? Good afternoon! How can I check if a character is among the allowed ones without regular expression? There is an array of allowed characters (of all kinds) and should ...
commented Sep 28, 2021
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How do I find a word/a of char characters in a string of char characters? Good afternoon! Sorry for the very stupid question. But to find a word/a(array of words) of char characters in a string of char characters.The thing is that I tried wi ...
commented Sep 18, 2021
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Why doesn't it draw the z-axis? Good afternoon! I can not understand why it does not draw the z-axis. int main(int argc, char argv){ glutInit(&argc, argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT ...
asked Apr 3, 2021
3 answers
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Why doesn't my Ubuntu laptop shut down normally? There is a laptop with dualboot on one screw Windows 10, Ubuntu 19.10. Everything works fine, but when you turn off the laptop from Ubuntu, the laptop does not always sh ...
commented Feb 6, 2021
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Site does not start in xampp,what's the problem?Good evening! On localhost/addressbookGives an error Fatal error: Uncaught Error: Call to undefined function mysql_connect() in C:\xampp\htdocs\addressbook\include\dbconn ...
asked Mar 17, 2020
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Why shows oshibku? like all true? and how to fix?Good day! Shows error requires let and how to fix? The program not entirely ,the problem is in the validation block to enter letters In this part of the validation block ...
asked Mar 9, 2020
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Why vivae the same result?And how to fix it?Good day! Need help.. The conclusion is the same result #include <iostream>#include <conio.h>#include <locale.h>using namespace std;int main() { const i ...
asked Mar 9, 2020
1 answer
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How to integrate an equation?Good day! Haven't dealt with the integration and now the difficulty can't integrate.Not converge the solution. This equation a=1.5, b=0.5, y(0)=1 t=0 10Выходит чтото вр ...
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What kind of sorting?Good evening . Tell me what is this sort for (int i = 0; i < n - 1; i++) { for (int j = 0; j < n - i - 1; j++) { if (sortDoctorArrayj.doctorCode > sortDocto ...
commented Mar 8, 2020
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What hardware is important for speed vs. code?Hello! Not so long ago started working with VS code. I do layouts of websites and sometimes big cheats and work is not comfortable, because everything starts to slow down ...
6 answers
Why doesn't my computer sees the keyboard and mouse?Built a computer, everything is connected, but for some reason the keyboard and mouse (usb connected directly to the motherboard) are not working, and the monitor is blan ...
answered Mar 8, 2020
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How to correct the output vector of the structure in the file?Good day! The file appears to do the same is introduced +what is the symbol? +not yet clear how prailno I did it all. If anyone can suggest to help,thanks in advance. I w ...
asked Mar 8, 2020
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Why not display the average values of rows and columns?Good evening! Print method does not output the average values of rows and columns.It seems something is wrong in the method print, or mean,something is missing.. import j ...
asked Feb 28, 2020
1 answer
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How to add a second array to output to the speakers?Good evening! Not have been able to both arrays,just one.:-( public class Marathon { public static String printResults(String names) { for (int i = 0; i &lt ...
asked Feb 28, 2020
1 answer
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How to pass the array?Good day! Need help does not work, whether to drive the output array to the method,whether to pravilnosti method with the correct parameters. import java.util.Scanner;imp ...
commented Feb 28, 2020
4 answers
What is the meaning of monads in Haskell?Learn functional programming. Reached funkotron and monads. What functors are, and how to use them I kind of understand. What is a monad, I also kind of understand. Are t ...

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