Posts by jaojpaulo • 83 points
8 posts
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viewsQ: How to dynamically allocate an array using a pointer pointer in a void function
I’m trying to allocate from were dynamic a matrix into a function void, this by sending a pointer pointer as parameter int **sigma, as follows lerArquivo(char *alfabeto, int *Q, int *Q0, int *F, int…
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answer151
viewsQ: How can I open a file in a void function?
I am trying to open a text file in a function int abreArquivoEntrada, and for this I am sending as parameter the type pointer FILE and the one vector of char containing the file name, within the…
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answer105
viewsQ: How to send a dynamically created matrix as a parameter to a function?
In the execution I am developing I try to pass a matrix created dynamically created with the function malloc, but in doing so the compiler points to type incompatible with pointer. #include…
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answer295
viewsQ: How the onchange event works when uploading a file
I’m trying to implement a music player using javascript, which works by uploading an audio file (.mp3), in the script when the file is uploaded, which occurs with the 'onload' event the function…
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answer153
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viewsQ: Can I use display: flex when using viewport?
I’m a beginner in developing responsive websites and I’m using the tag: <meta name="viewport" content="width=device-width, initial-scale=1.0"/> And besides in container construction I’m using…
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viewsQ: Because when I click the button to perform the function of showing an invisible form it shows the form but then disappears?
I am new to web development and use xampp v5.6.28 I made a javascript function that when you load the page, Form1 is visible and form2 is display:None but when I click on the button to make Form1…
javascriptasked jaojpaulo 83 -
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answers56
viewsQ: How do I switch from visible to invisible between two forms
HTML: <!DOCTYPE html> <html> <head> <title>Login</title> <link rel="stylesheet" type="text/css" href="estilo.css"/> <script type="text/javascript"…
javascriptasked jaojpaulo 83