All Questions

1
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What is Flyway and when to use it?

The system recently called attention to this question , and it talks about Flyway. So, I'd like to know: What is Flyway? What problems does he propose to heal? When to use it? What are the competing solutions? Is it for multi-ten...
asked on 19.02.2018 / 13:02
1
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Condition in Select - SQL

I have a table where the priorities of output of the supplies per customer are stored, for example: cliente | codigosuprimento | prioridade | quantidaestoque 1 | 500 | 1 | 20 1 | 501 |...
asked on 04.10.2017 / 22:36
1
answer

Async Methods - return string from UDP

I'm developing a code whose purpose is to send a packet with a broadcast string and then read the response (if any), however I want to create a method that just returns the response string. I have the following, based on the example provided by...
asked on 17.10.2017 / 17:05
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Sum of the regression square of the R models

The presented models are different in only one additional coefficient (f), which multiplies the independent variable (x), allowing the calculation of the increase of the sum of the square of the regression, including the coefficient f with a val...
asked on 26.02.2018 / 14:33
1
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Are variables allocated randomly in memory?

In a book about C, in which I started studying variables, I would say that the variables were randomly placed in memory, for example: int a; int b; printf("a = %d\n", &a); --> 5000 (endereço) (%d ao invés de %p para simplificar) printf...
asked on 02.11.2017 / 22:16
2
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Return the highest value between columns and the ID for the line of this higher value

Let's say I have two columns in my table, column A and B. +-----+-----+-----+ | ID | A | B | +-----+-----+-----+ | 1 | 500 | 681 | +-----+-----+-----+ | 2 | 980 | 101 | +-----+-----+-----+ | 3 | 110 | 981 | +-----+-----+-----+ If...
asked on 12.11.2018 / 22:28
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Bring id on route

I'm doing a user management. At the moment, I'm creating the put to edit. But, I do not know how to bring the id on the route. There is a list of users and also an insert. When the client clicks on the button to recover the password, I would...
asked on 01.11.2017 / 19:55
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Database Connections in Unity

I'm developing a mobile game using Unity 3D and need to have a local database on the device. Which database to use? You have to use MySQL, SQLite. Can anyone help me?     
asked on 04.10.2017 / 22:53
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Configure HTML Variable within Nodemailer html

I need to send an emai using Nodemailer, and I need to send email with html, but I'm not able to set the variables directly inside the email HTML, I already tried replace() and I did not succeed. server.route({ path: '/enviar', method:...
asked on 16.10.2017 / 01:55
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What is the difference between INNER JOIN and INTERSECT?

What is the difference between INNER JOIN and INTERSECT? Can anyone exemplify it too?     
asked on 01.12.2017 / 14:41