Posts by Pedro Vallese • 167 points
7 posts
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1
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answer173
viewsQ: Pick arrays with php space
I have a php code that picked up information from two different columns of the same table in a local database, but the code doesn’t seem to work when one of the columns has information with space,…
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votes1
answer42
viewsQ: Login page using mysqli_fetch_row
I am creating a very simple login page where the user type his name and password, the system scans the database(mysql) and validates its entry, however, when I enter the values correctly the system…
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11
votes1
answer1006
viewsQ: UML, Use Case Diagram
I’m having a doubt regarding the use case diagram, follows the original version I assembled: However, when writing the description of use cases, I had an idea that can better represent the need of…
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votes1
answer713
viewsQ: Mysql - Derivative Value Triggers
I looked it up and couldn’t find it anywhere. I am starting in Database studies and need the following help: A table Gang has the following structure: Id_class(auto incrementable)…
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answers73
viewsQ: Vertabelo - Warning: Reference Name seems to be invalid
I’m using the vertabelo because I need to share my program with others, but when I brought my work to it. He appears the following warnings, someone knows what it is? link:…
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2
votes2
answers401
viewsQ: Erro Foreign Key
I’m making a database rather simple for presentation of a work and I’m finding the same annoying problem. In this case we have two tables, funcionario[nome,cpf] and departamento[DNR,CPF do gerente].…
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votes2
answers84
viewsQ: Error accessing pointer
int main() { int**items[5]; for (int i=0;i<5;i++) { *items[i] = new int; <-- } return 0; } The program compiles, but does not run. I Debugger and pointed out that the error is where the arrow…