Posts by Jéf Bueno • 67,331 points
1,254 posts
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3
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answers902
viewsA: How to send form fields by email in a table format?
Use HTML. When sending the email, pass the generated HTML as the email text and enable the message body option as HTML. I do not know what you use to send email, so it is difficult to improve, if…
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answer137
viewsA: .Include() does not carry child class - Lazyloading C#
You just need to make it clear in your relationship class that Cliente is an entity that will be loaded from the key ClienteId. Like Cliente is a class that inherits from Pessoa and who has the…
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answers221
viewsA: Saving checkbox information in TXT files
Loop the parent control of the checkboxes and get the information of the ones marked string conteudo = ""; foreach(var control in parent.Controls) { var chkbox = control as CheckBox; //Se o control…
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answers156
viewsA: Grab Files on Drive C:
To return the letter of drive where the system is installed System.getenv("SystemDrive"); SystemDrive is a Windows environment variable, you can capture the value of any of the variables.…
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answer902
viewsA: How to use Event Eventargs
What the EventArgs store in the click to be used? At the click of a button? Nothingness, at least not naturally. This parameter serves to pass arguments (0, 1 or more) to the event. Possibly the…
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answers944
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answers3011
viewsA: How to run a PHP function multiple times?
Obs.: As no further details were given about the execution of the function, I refrained to show an example of how to repeat the execution in PHP only, as if it were a scripting language to be…
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answer587
viewsA: Calculate Values of a list
If I understand correctly, you just need to use the Sum linq. var soma = itensReserva.Sum(item => item.ValorProduto);
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answers111
viewsA: Error in delete button
First of all, d.delete("resultado", "id = " + id, null); is a security breach. You are allowing an attack by calling SQL Injection. This third parameter exists precisely for this, avoid SQL…
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answers1274
viewsA: How to redirect user to page after login?
There is a property of controller calling for User, once the login is successfully performed this property will have a value (information about the identity of the logged-in user). That’s not quite…
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answers4722
viewsA: How to make a border lower than 1px?
No. There is no way to do something with less than 1px, at first a pixel is the smallest unit of measure to render something on the screen. You can try to do some tricks using transparency, a less…
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answer544
viewsA: How to reference an image <img> tag
You may have noticed that inside the folder Views there’s a file web config.. By default, this config restricts access to all files in this folder. <httpHandlers> <add path="*" verb="*"…
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answers743
viewsA: Receive by parameter a List of miscellaneous objects
What you really need is to learn how to use the operator typeof and the method GetType(). With them, you can check the type of a given variable. Note that every and every class of C# has a method…
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answer676
viewsA: How to input a password (password field) in Pyqt4?
Use setEchoMode passing as parameter the Enum QLineEdit.Password or QLineEdit.PasswordEchoOnEdit from PyQt4 import QtGui #... txtPw = QtGui.QLineEdit() txtPw.setEchoMode(QtGui.QLineEdit.Password)…
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answers269
viewsA: How to search and save a single field?
There are some ways to do this: 1. Using the package Entityframework.Extended. Install the package PM > Install-Package Entityframework.Extended Then you can do the following using…
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answer207
viewsA: Insert data into a real-time text box with Timer
Basically, you can only access elements created in thread within this same thread. To solve, you need to use the method Invoke var auditoria = auditoriaBll.Retorna_Auditoria(); foreach (var item in…
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answer27
viewsA: How do I get the name that’s in Resources for the field names?
Just point to Resources, likewise: <section> <div id="banner"> <h1> @Projeto.WebSite.Resources.HomeText.TituloPrincipal <small>…
asp.net-mvcanswered Jéf Bueno 67,331 -
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answers100
viewsA: Read Jlist files and display content in a Jtextarea
I adapted your code for it to work. You don’t need an array if the only goal is to show the content in a text area. try { caixaTexto.setText(""); // Limpar o TextArea BufferedReader br = new…
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answers240
viewsA: Custom Return in WEB API
If there is any pattern I do not know, but this is quite simple to implement. You just need to have well defined how you will know when you decide to return one or another format. See an example,…
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answers2573
viewsA: How to use constructor overload in Typescript?
This is impossible, because when code is compiled for Javascript there will be two functions with exactly the same signature. Since Javascript does not support typing. You always need to keep in…
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answer1196
viewsA: Redirect to a controller in another Area
Just pass the empty area parameter. This will cause the Controller to be searched in the root area. return RedirectToAction("Index", "Login", new {area = "" });
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answer129
viewsA: How to map an image attribute by Fluent API?
The only thing you need to do is use the method HasColumnType. Note that the types text, ntext and image are obsolete and will be removed in future versions of SQL Server. public class…
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answer1658
viewsA: Issues with accentuation when reading data from JSON file
Perhaps the problem has nothing to do with the disembolarization but with the download in itself. Define the encoding in the request should solve your problem var client = new WebClient();…
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answer131
viewsA: Search in two Mysql tables
There is. That’s called Join. There are all kinds of possible Join’s, but I’m not going to focus on that because we already have that question that handles the subject very well. In your case it is…
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answer101
viewsA: How to open a form with just the name of the type
Assuming you know how to get the value of DataGridView, I’ll stick my answer to how to open a form using only the name of the type. Reflection solves your problem very well and is nothing…
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answers23959
viewsA: Disable SQL Server Column Identity
First of all, you don’t want disable Identity Insert, you want enable him. There’s no way to do this without "workarounds" (That’s right, you’ll have to do a gambiarra). You can use a Insert Into…
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answers2062
viewsA: What is the difference between angular.extend and angular.merge?
The two functions do the same thing with a subtle difference. Both copy the properties of one or more source objects to a target object. The difference angular merge. Make a "deep" (recursive copy)…
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answers1160
viewsA: How to know if a process is running in windows using c# or . bat?
Using C#, you can use the class Process. See in the example below where I check if the notepad is open Process[] processos = Process.GetProcessesByName("notepad"); if (pname.Length == 0)…
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answers131
viewsA: How to insert a TAG with Comma or Semicolon
It is in this stretch $('#tags-field').keypress(function(event) { if (event.which == '13' || event.which == '191' || event.which == '188') { //... } }); 13 is the code of the enter key, switch to…
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answers257
viewsA: Show property value instead of class name in Datagridview
First of all: forget the history of using the CellFormatting for this kind of thing. With a considerable amount of data, you will already start to have performance problems, not to mention that…
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answer157
viewsA: Using Multiple Schemas with Entity Framework 6
You can use the Dataannotation Table for that reason using System.ComponentModel.DataAnnotations.Schema; [Table("Pes.Pessoa")] public class Pessoa { ... } Or, if you use Fluentapi, you can do it…
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answers2766
viewsA: Count or Count()
The best way is always to use Count, it is incremented every time an item is added to the list and decremented every time an item is removed. The difference between the two is that Count is a…
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answers113
viewsA: Denied file deletion on C#
The problem is that the file is being used by XmlTextReader, along those lines XmlTextReader xmlLer = new XmlTextReader(caminho + cliente); You need to release it using the Dispose(). Add this line…
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answers21759
viewsQ: What are the main differences between Unicode, UTF, ASCII, ANSI?
What are the main differences between "encodings" Unicode, UTF, ASCII, ANSI? They are all really encodings or some are just "sub-categories" of others? I don’t want to know all the details of each,…
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answers1432
viewsA: Get the value by a comparison between C#Arrays
You can use the Except of Linq, thus string[] diff = diretorios.Except(pastasSistema).ToArray(); Realize that the Except only takes items from the first array that are not in the second, exactly as…
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answers354
viewsA: How do C#properties work?
C# simplifies some of this for you, although underneath it all, it’s exactly the same. You set an access modifier for the attribute (in C#, we call property) in general public string Nome { get;…
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answer13034
viewsA: Nameerror: name [name] is not defined
There are some problems in your code, but this is not the focus of the question. This error is because of those lines C = C + 1 G = G + 1 Since C and G are not declared, you cannot assign them the…
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answer858
viewsA: Integrating HTML + Node.js with Angular.js in "Real Time"
Use the $interval to repeat the query in a time interval. An important thing: do not use the functions success and error, they are obsolete. Instead they should use the function then. See the…
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answer641
viewsA: Validate CPF using WPF
How can I check if a CPF number is valid using WPF in C#? [...] First of all, whether or not you use WPF makes no difference. The language is C# and that’s what matters. To know if a CPF is valid,…
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answers5691
viewsA: Can everyone see my projects on Github?
It depends, you can have private projects and prevent other people from accessing it. If you use the free plan, you won’t be able to prevent them from seeing your source or downloading it. Github…
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answer244
viewsA: Why can’t I pass a parameter to the class?
It lacks a little logic in its code, in addition to having a certain error. First of all, you’re not getting tinta as parameter, and this is not even necessary once the value is already saved in the…
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answer6742
viewsA: Is there any way to generate a random number between two numbers in Java?
You can use the Random in this way public int numeroAleatorio(int min, int max){ Random rand = new Random(); int randomNum = rand.nextInt((max - min) + 1) + min; return randomNum; } Or use the class…
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answers24150
viewsA: Error jQuery: Uncaught Rangeerror: Maximum call stack size exceeded
You are the victim of a loop infinite. Look. This is your code. $('.botchat').click(function(){ $('#islpronto_link').click(); return; }); Every time an element with the class botchat is clicked, it…
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answer32
viewsA: Java Iterator | Increment within a sentinel
Just check if the Internet exists before trying to access it. public void actionPerformed(ActionEvent e) { i++; if(i < files.length()){ ImageIcon icon = new ImageIcon(files[i].getAbsolutePath());…
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answers3476
viewsA: When do I actually need to use the this operator in Java?
The only case where you accurate use the this is when you have a scope variable (or parameter) with the same name as an attribute (or class variable) and you need to differentiate them. A common…
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answers286
viewsQ: Why (0.1 + 0.2) + 0.3 is different from 0.1 + (0.2 + 0.3)?
Javascript (0.1 + 0.2) + 0.3 results in 0.6000000000000001. Already, 0.1 + (0.2 + 0.3) results in 0.6. Why? In the snippet, you can see that this "inconsistency" does not happen when we add other…
javascriptasked Jéf Bueno 67,331 -
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answer430
viewsA: How to perform an action whenever $uibModal is closed?
To perform some action with the modal "result", you need to use promisse result and the function then. All functions then can receive up to three callbacks successCallback is executed when the…
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answers691
viewsA: How do I send an email without sending an attachment?
Just remove the lines you create and add an attachment to the message. There is nothing that requires an attachment to be added. msg.Body = txtMensagem.Text; //Anexo //System.Net.Mail.Attachment…
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answer518
viewsA: Where should I put Connectionstring in Windows Forms Applications with EF?
You need to have the Entity Framework referenced also in your main project. Importantly, the Connection string used will be the one in the app.config (or web.config) of the main project - this also…
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answer1489
viewsA: Start Thread with Input Parameters for Void Method
If I understand correctly, what you need is simply this var thread = new Thread(() => Data[index].Processamento(addr, line)); Processos.Add(thread));