Posts by Leila • 1,276 points
65 posts
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viewsQ: SFML build error in Code::Blocks
I need to make a game for a college subject using the SFML library and the C++ language. I followed this tutorial to configure the Code::Blocks, and pasted the following test file indicated in the…
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answer1835
viewsQ: Add devices to Quartus II 13.0sp1 using . qdz file
It happened to me and I had some difficulty in finding the solution, so I decided to share it. The problem occurs when Quartus indicates that there are no devices installed and when accessing the…
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viewsA: Add devices to Quartus II 13.0sp1 using . qdz file
The first step is to access download center from the website of Altera to version 13.0sp1*, and download the file corresponding to the desired device. In my case, it was the Cyclone II family. You…
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viewsQ: Minimum bit amount required to represent decimal numbers
I’m making a list of computer architecture and one of the first exercises is pretty basic: What is the minimum amount of bits required to represent in binary each of the decimal numbers without…
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answer924
viewsQ: Facebook and Google Authentication in Firebase - Android Studio
I’m developing an Android app, with Android Studio, using Firebase initially for user authentication. The code is quite extensive, so I won’t copy it here, but it’s available on Github. Already…
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answers87
viewsQ: Error String types not alowed Android Studio
I’m following a tutorial login on Facebook with Firebase, I will not put all the files because they are basically the own tutorial. When running the code, the following error appears: String types…
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answers205
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viewsQ: Overload of C++ operators, is the auxiliary variable necessary in this case?
I am studying for the book Introduction to Object-Oriented Programming with C++ (Antonio Mendes da Silva Filho), and implemented an example of it as follows: #include <iostream> using…
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answers566
viewsA: How to implement operator overload << and >> in C++?
I solved the above problems, so I leave the code here in case someone needs it one day. Just need to implement the methods that return the roots of the equation, I’m trying to do this. #include…
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answers566
viewsQ: How to implement operator overload << and >> in C++?
Hello, I’m doing an exercise consisting of the following statement: Sorry to put a print, but I could not select the text and it would be unnecessary to type everything here. Finally, I made the…
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answers676
viewsQ: Installation of Firebase in Android Studio
I was watching a video about installing Firebase and it says to go into: File > Project Structure, and open this image window: However, the next step is to click Cloud, but when I enter Project…
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answer99
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viewsQ: Error while selecting emulator in Android Studio
Good afternoon. I’m starting to study Android and use Android Studio. I clicked to run the application and appeared the window requesting a new emulator. I’ve done this before on another computer…
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answers10977
viewsQ: SDK Command Facebook Android - Key hash
I’m doing the tutorial on SDK of Facebook for Android and I didn’t understand this part, which talks about hashes key to development environments. Commando: keytool -exportcert -alias…
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answer117
viewsQ: Facebook authentication in an app using Azure
Good afternoon, I’m new here and I’m on a project for the creation of a hybrid application (Android and IOS), we are at the beginning and do not understand Android programming - let’s learn while we…