Posts by Lucas Alves • 133 points
12 posts
-
1
votes1
answer80
viewsQ: Calculate total of identical Ids
I’m working with the postgresql , running the following query : SELECT "tcfac"."co_cds_ficha_ativ_col", to_char(dt_ativ_col, 'DD/MM/YYYY') AS "data_atividade", to_char(hr_inicio, 'HH24:MI') AS…
-
0
votes2
answers146
viewsQ: No return function
I am following an OO study book and I came across a problem related to a method call. I will contextualize with the Classes. <?php class Orcamento{ private $itens; public function…
-
0
votes0
answers485
viewsQ: Problem with the DOMPDF
I have the following form : <div > <form id="form" action="laudo_solicitacao_completo.php" method="POST"> <fieldset> <label class="ui-corner-bl ui-corner-tr" for="numeroCNES"…
-
0
votes2
answers55
viewsQ: Logical problem when assigning value using JS
As explained in the paragraph below the goal is to create a betting game, so far so good, the Odd bet works perfectly by adding the amount bet to the total of points but the same does not happen…
-
2
votes1
answer385
viewsQ: How to handle a span element using pure JS
My question in this exercise is how to keep my point total fixed, because whenever the function is executed the value changes and automatically it returns to 100.So how should I manipulate this span…
-
-1
votes1
answer516
viewsQ: How to validate multiple inputs of a survey using pure JS?
Just as it is specified in the p tag below as I should follow to validate so many inputs ? <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8">…
-
0
votes0
answers42
viewsQ: Difficulty with responsive videos
I am developing a project for own study, thus creating the navigation pages of the same ended up finding a difficulty in responsiveness with videos since until the width 992 everything goes well…
-
4
votes3
answers96
viewsQ: How to hide a text being bigger than my Div
The purpose of the exercise is focused on study , I’m creating a blog that has articles on dubbing and one of the objectives is to hide the text, which is much bigger than my Div, so when clicking…
-
0
votes1
answer912
viewsQ: How to record a student’s grades using the List array
I need to add notes to certain students (each student has several grades and each grade belongs to a discipline), but as I am using Ist arrayand have little knowledge in java I am well lost in…
-
1
votes2
answers6045
viewsQ: How can I invert a simple chained list without using a previous pointer
I have to solve a data structure fiction problem that consists of reversing a chained list but how can I invert a list if I don’t have its elements (Less of course p-start and p->end )follows the…
-
1
votes1
answer78
viewsQ: Difficulty assigning value in plsql
In a college exercise the following was requested: In a presidential election there are three candidates. Votes are by code. The data used for screening are codified as follows: 1, 2, 3 = votes for…
-
2
votes1
answer1170
viewsQ: Duplicate key in mysql
I am in the third quarter of database and we started using the Internet in our database but I came across the error "Error Code: 1022. Can’t write; Duplicate key in table '#sql-aa4_a". Is there a…
mysqlasked Lucas Alves 133