Questions tagged as 'singleton'

When trying to compile a singleton I always get the following return message:    g ++ -g -Wall pkg-config --cflags stage -fPIC pkg-config --libs stage -c -Wall Connection.cpp   cc Connection.o -o Connection   /usr/lib/gcc...

I've created two custom classes according to what my teacher instructed to do the request on the server, but I'm getting a 400 return and I can not figure out the reason. Searching, I saw that it may be something related to the header, but I do...

I'm developing a project and made a class in the Singleton pattern to connect to the database: <? class Conexao extends PDO { private static $instancia; public function __construct($dsn, $username = "", $passwor...

Good evening, I am developing an android game in which to play online has to connect to the server. At first I was trying to create sockets in an Activity where the game will occur, but the app was crashing when creating. After some research, I...