Posts by Otávio Guilherme • 37 points
12 posts
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answer27
viewsQ: Error including class in index file so I can’t instantiate it [PHP]
Hello I have two file o INDEX.PHP which is located at the root of the project and the Archive SYSTEM.PHP which is located inside the folder LIB. Summary of the Archive INDEX <?php…
phpasked Otávio Guilherme 37 -
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answers141
viewsA: Textarea with value that cannot be changed
A simpler way for the beginning of everything can be this way <textarea id="mensagem" name="mensagem" type="text" style="width:400px; font-size:16px; height:100px; border-color:lightgray;"…
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answer857
viewsQ: Validate PHP Login PDO MYSQL
Hello I’m starting with php already engaged in the world of PDO and I’m with a doubts in my code I want to check if the login exists and is the same that was entered, if for returns "existing login"…
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answers508
viewsA: Input for receiving Cpf
<input type="text" id="numero" placeholder="377273288328"> <script> let numero = document.getElementById("numero"); numero.addEventListener("keypress", e=>{ …
javascriptanswered Otávio Guilherme 37 -
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answers508
viewsQ: Input for receiving Cpf
Hello I’m new in the javascript field and I’m having a doubt, as I can pick up the value of the keys and block off strings, special characters and only accepts NUMBERS in my field. My Code to the…
javascriptasked Otávio Guilherme 37 -
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answer138
viewsQ: Jquery3.2.1 Function Datepicker exists?
I’m using bootstrap 4 and I want to use the datepicker, how can I call the datepicker using the bootstrap 4, I can’t find the documentation talking about it?…
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answer126
viewsQ: Remote Connection to DBA MYSQL + PHP
Hello I’m trying to make a test connection to a server called * infinityfree I’m using php with PDO. Call for connection. <?php try { $connex = new…
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answers35
viewsQ: Remove Id when click and Add when close
I’m having a problem at the time of remove a specific id, When I click on the Button continue reading. I created Btn event, Inside I’m passing the parent parameter and trying to remove the child…
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answer451
viewsQ: SQL command in MYSQL
I’m creating a DBA and I need to make one CHECK on an index of my table produto, but I’m using Mysql and I’m having a problem with the syntax. Follow the example: CREATE TABLE produto( Cod_produto…
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answers1009
viewsQ: Connecting PHP to the Mysql database
I need help I am trying to connect my PHP file with the database to be able to perform a query and present on the screen the records. Connection code: define('usuario_bd', 'root');…
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answer44
viewsQ: Is it possible to prevent notifications to other apps on your device?
I’m setting up my CBT. It is possible to implement in my app, a blocker of other apps so that it does not receive notification while you are using my app? A basic example of how can I portray this…
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answer2646
viewsQ: Create a Stock Control Webapp
Hello, I’m learning Javascript and I have a question. I already know about HTML, CSS and SQL Which languages I need to create a system (stock control) that adds, alters (already added) and deletes,…