Posts by Vinicius Duarte • 115 points
10 posts
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viewsA: Virtual column extracted from a json in Mysql does not receive NULL value
The solution was to include the following command in the create table query GENERATED ALWAYS AS (CASE WHEN _document->>'$.cpf' = 'null' THEN NULL ELSE _document->>'$.cpf' END) STORED,…
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answer40
viewsQ: Virtual column extracted from a json in Mysql does not receive NULL value
I have a virtual column called '_Cpf' that is extracted from the column '_Document' in json. Below is the following query: CREATE TABLE `user` ( `_document` json DEFAULT NULL, `_id` varbinary(32)…
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answer201
viewsA: How do I instate a class within a wpf?
Solved by giving Clean in the project and closing the visual studio, but as I am using a plugin to search inside the textbox, it is not working completely, so I did everything manually same !
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answer201
viewsQ: How do I instate a class within a wpf?
The thing goes beyond that, the problem is that it always returns this error by instantiating this class: namespace AlmoxarifadoUpas { class ConsultaMaterialEntradaSaida { private…
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answer59
viewsQ: Notifier of any event that the user performs in the system
I am using the Spring Framework for java and would like to create can create a kind of warning, <scan>, which shows in the table that a new line has been added (this line comes from the…
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answer1270
viewsQ: How to change the view shown in Eclipse?
I want to change this view: For this visualization I need: How do I change such an eclipse view?…
eclipseasked Vinicius Duarte 115 -
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answers611
viewsQ: HTTP Status 404 Error - The requested Resource is not available on Spring MVC
I have tried several ways to solve this problem, but when I click to the controller to access the url it error. Follow the files Controller package com.br.maco.controller; import…
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answer4742
viewsQ: Error runat=server when inserting a button into the form
I have this problem that when passing the login form it gives this error: [HttpException (0x80004005): Controle 'Button1' do tipo 'Button' deve ser inserido em uma marca de formato com…
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answers119
viewsQ: Create Print method more easily
I have a form ready and I need to check the variables in the right fields, but I want a faster and easier way to do it. Because I don’t want to waste a lot of time doing the e.Graphics.Drawstring…
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answer692
viewsQ: jFrame frozen/locked when opening in a jTable
The idea is to click on the row of the table that is a jFrame1 and open another jFrame2 with the search of the information of the person based on RE, but when I click on it the code works but opens…