I'm making an application where I need to find Happy Numbers within a certain range, in the case of 0 to 50, and found this in Wikipedia :
Happy numbers are defined by the following procedure.
Starting with any positive integer, the...
I want to know what code units mean?
I saw this term in an answer here in SOpt and I was in doubt.
Code units should be short and have only one responsibility.
Question link where I saw the term > > What defines clean code ?...
How can I separate "words" into CamelCase using hyphen for example?
With a string:
string example = "CamelCase";
// CamelCase para:
// Camel-Case
and enumerator:
enum Example {
CamelCase
}
Example.CamelCase.ToString();
// CamelC...
I see many tutorials on the internet that assimilate the use of language Lua to game development.
But I would like to know the following:
Is it possible to develop for web using language Lua ?
Is there a framework that c...
Natural primary key is one that contains a real data, not just a random value, as an integer.
Example:
// comum
CREATE TABLE pessoas (
id INTEGER PRIMARY KEY,
cpf INTEGER NOT NULL,
// outros campos
);
// chave natural
CREATE TABLE pe...
Reading a book about the Java language, I came across some operators that I had never seen before. They are: >> , << , >>= , <<= , >>> , <<< , >>>= and...
I'm developing a website, and I would like to dim the blue light (as night mode), however, I have not found a way to do that.
Is there a way for CSS, JS, or some other language?
I have a <a> tag with hyperlink properly set. However, I would like to remove it when firing from an event. The same tag has an ID set properly, also (unique, valid, and related).
I would like to know if there is a function to re...
How do I check if my PHP + PDO code successfully connected to the MySQL database?
With the code it works:
<?php
/* Connect to a MySQL database using driver invocation */
$dsn = 'mysql:host=localhost;port=3306;dbname=bancoservico';
$us...