Posts by Guilherme • 39 points
9 posts
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answer75
viewsQ: Using useState in React but not as I imagine
From what I understand useState, is using within the same function to update variable or html component within the same function. What I need is: I have a form and in it I need to call methods in…
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answers159
viewsQ: Spring secutity Oauth2
It generates the token { "access_token": "0b42ea14-6a21-44fc-9f65-df60f9130542", "token_type": "bearer", "refresh_token": "3653d5f8-161a-4ee2-b3b5-df9e1da4b9a7", "expires_in": 498, "scope": "bar…
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answers52
viewsQ: Error in project configuration
What I’m missing, I couldn’t find the mistake. Dispatcher-Servlet.xml <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"…
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answers99
viewsQ: Save a jsp form
When you save a form, that is, you go to the Spring Controlle class, I need the same to make an exception, to warn the user that some field is required. In JSP it looks like this: <c:if…
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answer33
viewsA: Clicking on pages
Vinicius. <style> #loading { background: none no-repeat scroll 50% 50% rgba(255, 255, 255, 0.8); height: 100px; left: 500px; position: fixed; top: 500px; width: 200px; z-index: 1000;…
javascriptanswered Guilherme 39 -
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answer33
viewsQ: Clicking on pages
I took this code from the internet to see how it works. First it only shows after loading the data from the server. I wanted to make one for when it enters a page, it show the loading until the…
javascriptasked Guilherme 39 -
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answer645
viewsQ: Ajax with java, via jsp
need to pass the information of a component that is on the jsp page to a controller that is in java. From what I understand the best way is via AJAX. Municipal component <label…
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answer78
viewsQ: Field List of a jsp
This field is filled in correctly by a query made in the DAO. The problem is that you are not accepting the object as null or as the value by the ID. The entity’s field is Man Entity @ManyToOne…
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answers118
viewsQ: Error 404 in spring
Man jsp <form method="POST" action="/desif/titulo/salvar/"> <div class="form-group has-info"> <label for="codigo" class="col-xs-12 col-sm-3 control-label no-padding-right"><font…