Posts by WillGreco • 131 points
18 posts
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answer599
viewsQ: Flutter calling a dialog inside an onTap()
I’m having a problem in a APP development on flutter, I’m trying to call a method inside an onTap(); however this presenting the following error: "The Return type 'void' isn’t a 'Widget', as defined…
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answer186
viewsQ: Insert Image after Gridview
I’m developing an APP on flutter using a Staggeredgridview at the beginning of the build, but I’m not able to insert an image before this grid. import 'package:flutter/material.dart'; import…
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answers1535
viewsQ: How to consume a java SOAP Web Service that requires User and Password?
I am trying to consume a SOAP web service using Netbeans IDE (JAVA), but when I try to delete a list it returns null to me. Talking to a colleague, he told me that it is for lack the user and…
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answer919
viewsQ: Insert record automatically when doing a PL/SQL insert
I’m starting to mess with databases PL/SQL and I’m having a hard time creating a Trigger when inserting a row in the table, the Trigger place a value in my column whose name is token. I made a code…
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answer45
viewsQ: Arrayindexoutofboundsexception when trying to fill a Jtable from a query
I am performing a query in the database to pass the information to a JTable. However, when performing a query, the following error appears: Exception in thread "AWT-EventQueue-0"…
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answers60
viewsQ: Date Validation using Jdatechooser
I’m trying to validate two dates in the following case: I created a Jframe that receives two data fields using Jdatechooser, as shown below: First field the user informs the shutdown date, second…
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answer60
viewsA: How to replicate a value depending on what is inside the cell?
Follows solution of the problem: Option Explicit Sub Macro14() Application.ScreenUpdating = False Dim arq1 As Long Dim name As String Dim op As Variant Dim linha As Long Dim res As String Dim texto…
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answer60
viewsQ: How to replicate a value depending on what is inside the cell?
I have a code that always puts 264 empty characters after the last word typed inside the cell; then puts more "00000000000000" after 264 empty characters and export to txt, as shown below: My…
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answers565
viewsQ: Improper Infinite Loop no while
I made a program to calculate within a sequence the sum of the positive numbers and the sum of the negative numbers. When I use the command while, the idea is that it is within a sequence of 7…
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answer2003
viewsQ: Loop "for" counted odd number, even and average
I need to make a code that: List a number of numbers Inform if they are divisible by 3 and 5 Whether they are even or odd And then take the separate average of each (average of odd and average of…
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answer394
viewsQ: Error code in Switch Case
I have to do the following exercise: Make a program in Java that requests the total amount spent by the a store, print the payment options, request the desired option and prints the total amount of…
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answers8269
viewsA: How to add character after last word written on line
I tried each of the above codes, they worked but still, I don’t know why when I inserted in txt they were misaligned. After a certain time smashing the head and with the help of programmer Anderson,…
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answers8269
viewsQ: How to add character after last word written on line
Dear community, I have a doubt that I’ve tried everything, but I can’t solve. I have a list of former names; José Mario da Silva Mariana Cristina William Caio Jorge Luiz Campos de Silva Andrade In…
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answers205
viewsQ: Copy multiple sheets into a single file
Good afternoon, I made a code to capture a Sheets of a given spreadsheet, however now I want to take more than one and save all in a single file, but I’m not getting anyone could help me? Private…
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answer288
viewsQ: Reset the counter every time you change line
I have the following problem: I have two counters within my code, but I want every time I change to the next line the countLinha1 (second counter) is zeroed and starts counting again, remembering…
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answers471
viewsQ: Question using while
I am new in java and would like a help from you, my code is correct following the exercise I am doing, but I want to increment it using while to ask the user if he wants to repeat the process of the…
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answers422
viewsA: Loop to Repeat Names
Thank you very much Evert, Following solution of the question raised above: Remembering that I had as much help from Mr. Evert as I did from Mr. Anderson Sub RODAR() Dim num As Integer Dim wb As…
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answers422
viewsQ: Loop to Repeat Names
Dear community, I believe it is simple the most solution, I am trying to make the following rule of business: I have a list of names on a Plan1, I need the name of each of them to be repeated by 12x…