Posts by Matheus Oliveira. • 356 points
17 posts
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answer86
viewsQ: Customizing Standard Login Error Message - Jetstream
I’m starting my studies with Laravel. I’m using version 8 with Jetstream with Livewire for user authentication. However, I couldn’t figure out how to change the Jetstream standard error message…
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answer1534
viewsQ: Error opening C#project files
Last night I had Visual Studio open with the source code of my application. However, a power outage occurred and the computer suddenly shut down. Soon after turning it on again, start Visual Studio…
visual-studioasked Matheus Oliveira. 356 -
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answer80
viewsQ: Datagridview Dataset Problem [C#]
All right? I’m having trouble with the popular one DataGridViewwith data from Dataset. In my button1 i perform the search, reading and import for the DataGriView of all xml files in a given…
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answers53
viewsQ: Import HTML to Datagridview [C#]
I’m working for the first time with HtmlAgilityPack for reading an HTML file that I’m manipulating. The idea is to take certain data from this file and insert it into the respective columns of my…
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answer60
viewsQ: Display runtime of an application [C#]
I would like help with a process I need to do: The idea is to create an informative label that will contain as many hours, minutes and seconds as my application is working. Time starts to count as…
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answer74
viewsA: Invalid thread operation, Invoke method does not work
Hello, Marlon. All right? Try this way and give us feedback! I added comments where I made the adjustments to your code. if (tokens[0] == "CONN") { for (int n = 0; n < clients.Count; n++) {…
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answer114
viewsQ: Detect date change in Windows [C#]
I would like to know: How can I detect and display a warning to the user through a MessageBox, whenever my application is running (is maximized or minimized) and the date of the computer is changed?…
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answers124
viewsQ: Get numerical values from the database with comma and dots [FIREBIRD + C#]
Hello, everyone. I’m having trouble retrieving the numerical values from the database in my Datagridview already formatted (including commas and dots). The code that gets the data through a process…
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answer56
viewsQ: Problem with Datareader together with Thread
I have a problem adding the returned data from a Select in the Datagridview. The problem actually occurs when I make use of backGroundWorker next to a ProgressBar. The specific code that performs…
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answer456
viewsQ: Using C# Threads for the First Time
I’m trying to make use of C# Threads for the first time, I’m a beginner in the subject, so I’m sorry for the question if it’s too basic. I am using the code below to use such procedure: private…
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answers86
viewsA: Problem when changing field focus
I really appreciate all your help. As stated in the previous reply, it appears to be a Microsoft bug that has not yet been fixed in relation to AutoCompleteSource. The solution I used, through all…
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answers86
viewsQ: Problem when changing field focus
I’m having a problem changing the input focus between the TextBox of my application. The problem is actually this: tb_Estados has a AutoCompleteMode = AutoCompleteMode.Append and a…
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answer170
viewsQ: Error opening a form inside another form [VB.NET]
I am trying to open a form within another form, but I am having a certain difficulty. The idea is that when the clicked on the button "btn_CadastroAlunos" the form "F_cadastro_alunos.Vb" is opened…
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answer204
viewsQ: Conflit FIREBIRD Lock Error
I’m new to the subject of database, so I hope you understand my doubt and lack of knowledge: We use Firebird as SGDB and Ibexpert as a tool for database administration and configuration. Because the…
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answers3641
viewsQ: Include quotes in variable value String
I would like to know how to declare a variable of type String in which the value has quotes in Visual Basic . net? For example: Public frase As String = "E ele disse: -"Olá a todos!"" Is there any…
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answers302
viewsQ: Using variable in chdir function (module OS)
It would be possible to use the informed data in a variable in some other function other than the chdir() module AS python? I realized that it is not possible to use variables in the exchange of…
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answer8796
viewsQ: How to create "drawings" in Batch written files
My question is this:: How do I add "drawings" to my code . bat like the ones that appear on the Linux terminal? I tried to insert the "drawing" using the Figlet Generator tool. But when I run the…