Posts by Daniel Neto • 19 points
7 posts
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viewsQ: Very slow Java SE application with remote Mysql BD, how to optimize?
Hello, people. I am developing a desktop application with Java SE and testing the software with a remote database it gets very slow, while with the local database it works normally. The following is…
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answer4755
viewsQ: Error starting project with React Native Expo
I have version 8.12.0 of Nodejs installed in Debian 9, so I installed Expo with the command npm install -g expo-cli, that at the end returned the following alerts: Ignoring this I created a project…
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answers252
viewsQ: Return the row of a table when the value of Count(field) is 0 in Mysql
I need that even when the search does not generate results, is displayed the value 0, I tried with the following SQL search, but without success: SELECT c.categoria as categoria, CASE WHEN…
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votes5
answers12763
viewsQ: PHP - Transforming object into array
I need to transform an object into an array to be able to traverse it and extract its data, even with you: $array = (array) $object; But the result with a var_dump($array) Here’s the thing, so I…
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answers61
viewsQ: PHP - Temporarily save PDF file
The system I am developing generates PDF files and stores them in a folder to be sent by email. Is it possible to temporarily save this file while it is attached and the email is sent? If so, how?…
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answers1684
viewsA: Why Arrays start at 0 and not 1
Simply because the decimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, not 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 as we commonly count (erroneously).
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answers2105
viewsQ: How to save return in Ajax request in a variable
I tried the next code, but it doesn’t work function getCategoria(id){ var categoria; $.ajax({ url: "../control/anuncio/index.php", data:{ method: 'get_categoria', id_categoria: id }, method: "post",…