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Hello, everyone. :)

I'm using MySQL 8.

Here is what I'm trying to do:
"Find ID, first name, last name and number of programs of students who are enrolled in at least two different programs in...

Hello, everyone. :)

I just wanted to ask: Why is the following code crashing, and how do I make it not crash?:

#include <iostream>
#include <algorithm>
#include <utility>

class MyClass {

The Windows installer doesn't boot on a certain computer, but it does boot on another one.

A USB Linux OS (Debian) does boot from that same computer.

The Windows installer boots on another...

Hello to everyone who's reading this. :)

I'm having trouble debugging a C++ program I'm working on.:

My system is a hybrid of stable, testing, and to a lesser extent, unstable.

Here is what...

Here is my terminal interaction.:

user@hostname:/media/sf_my_folder/C++_Playlist$ youtube-dl --yes-playlist...

I am very new to OpenGL, and I am trying to modify the following file(s) to learn, but I can't even get it/them running properly, in the first place!

My simple-ish OpenGL program is not displaying...

Hello, everyone.

I'm stuck on converting recursive code into iterative code that uses a Stack, but, even after days of "breaking my head," I still haven't figured it out. :(

I had an assignment...

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Could someone please help me get my guest OS to make a VPN connection, without my host OS being connected to a VPN, using VirtualBox?

Technically, I haven't been able to get...

Hello, everyone. :)

Could someone please help me figure out why this Java syntax

import java.util.Scanner;

public class MyClass {

public static void main(String[] args) {

Hello, everyone. :)

The following PHP code is not only taking long to be processed, but it's printing a bunch of NULLs (278,034 NULLs, specifically).:

<?php
echo "I am searching.";
...

@norobro:
Actually, I figured it out, and I wanted to contribute my findings to you (and anyone else that might find this thread useful), it seems that the problem was that I had to replace the...

Firstly, thanks for your help so far. :)

I've been looking at this thread for a while, though, and I'm still stuck; sorry! :(

I made an improved version of the syntax you gave me, and it (also)...

Before anyone suggests to use the start attribute of <ol> tags ( https://www.w3schools.com/tags/att_ol_start.asp ), I am trying to not do it that way.

More specifically, I am trying to do it using...

Hello, everyone. :)

I believe I can use $ for end of lines and \> for after words, but I want to see if there is at least one word on any given line where that/those word(s) end(s) in nix.

I...

Thank you both! :)

Technically, it works when I do


egrep "thin[g]{2,3}" ./list.txt | egrep -v "[g]{4,}"

, but how do I make it work by just using regex, without "piping trickery"?

If I do


egrep "thin[g]{2,3}" ./list.txt

, it shows me all the occurrences "thin" followed by 2 or more "g"s.

In other words, the above egrep line seems to do the same thing as the...

That was very helpful! Thanks!

Hello, everyone. :)

Why does egrep "[0-9*]" f.txt not show the lines with no digits whatsoever in them (in addition to showing the lines with digits in them)?

When I do egrep "[0-9+]" f.txt, it...

That was very helpful! Thanks!

Hello, everyone. :)

I'm to trying to find words containing shelf or self, and I tried using the commands, but none of them worked:
grep s[h?]elf /usr/share/dict/words
grep s[h\?]...

Oh! Thanks. :)

I have another question, though.:
How come the echo statement within the function in the BASH syntax that worked in my first post actually printed something [like...

Hello, fellow Linux lovers. :)

I'm trying to write the BASH equivalent of the following Java syntax.:


public int factorial(int n) {
if(n>1) {
return n * factorial(n-1);
} else {...

Thanks for the answer. :)

The thing is, I saw that website, but I still don't understand the concept(s) well enough. In fact, I've looked at so many websites, including various YouTube videos, but...

Hello to everyone who's reading this. :)

I'm really struggling with CSS counter stuff. Basically, all I am trying to do is to make the numbering of an ordered list continue when the ordered list...