Posts by Rodrigo • 381 points
23 posts
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answer50
viewsQ: Injecting Iconfiguration into Controller in Webapi project
I’m developing an API, and I’m implementing JWT on it, I made a Controller to manage the Token and Login but when I inject the interface IConfiguration and the application tells me that I have to…
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answers243
viewsQ: Problems saving an already edited entity in the Entity framework core context
Hello I’m working with Asp net core my project follows DDD architecture, I’m having error with Entity Frameworks Core, when saving an altered entity, ie I load it in the frontend I change a property…
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answers37
viewsQ: Send multiple checkbox via model to Controller
I have a class: public class TreeViewConfigVm { public string plant_selected { get; set; } public List<SelectListItem> criticality { get; set; } public List<SelectListItem>…
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answer632
viewsQ: Training of images in tensorflow
Good night! I’m trying to build a neural network in python using tensorflow and its other libraries, my doubt and, I have 4 classes and I need to do a training of them I have many images for each…
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answer274
viewsA: Help training Opencv
Use twice the negative images for the positive images example 40 positive to 80 negative do not put less than twice the positive in the negative. That should fix that mistake. Another hint in…
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answers233
viewsQ: Object Tracking in Opencv (Right or Wrong)
Ola Personal I am in a project of visual computing here of the company and I wanted to know of the most experienced in the subject if I am doing the right to train an object. I read a lot and…
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answer546
viewsQ: How to extract the face of a RG document from a scanned image
Ola, Personal I am developing a solution where I use Google Cloud Vision to analyze text in the image, this is already ready in my solution. I send the image and Google Vision returns the words…
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answer601
viewsQ: How to map an image using Google Areas and Coordinates.Cloud.Vision.Api
Hello, friends! I’m trying to map an image, using the Html5 "Area" tag that works with polygons, I want to map a rectangle or several rectangles on top of an image "img". My doubt is, I have a map…
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answer345
viewsQ: When running the POST passing object via the URI of a Webapi, the object arrives as null in the method
I am a few days beating head with this problem I have a fronted MVC5 application and it sends an object to another Webapi application in a Save method(). See the code of my Frontend application that…
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answer373
viewsQ: Problems with Lambda and Datetime consultation
Hello I have the following Actionresult code from my controller below: [HttpPost] [AuthorizedUser] public ActionResult Load(DateTime DataInicial, DateTime DataFinal) { var AcessoDominio = new…
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answers77
viewsQ: POST in Ajax arrives with null data in the Actionresult of MVC5
I have an AJAX function that is the event click of a button where I pick up all the checkbox which are checked and caught the values of each and play on an array this way:…
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answers62
viewsQ: Problems with Objectstatemanager when updating a Model
I’m having trouble updating a model, the code below is working correctly when I give GET in a context model edits on the screen (View) and I give a Submit everything ok but when I have a data grid…
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answer344
viewsQ: MVC Hidden Field Encryption - How to decrypt more than one Server-side property
Hello I’m developing a web application mvc 5 and in some cases I need to insert in the view fields @Html.Hiddenfor, only I don’t want to show the value to the user if he views the html code, So far…
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answer380
viewsQ: How to turn off the webcam using the Saycheese plugin?
My doubt is simple but I’m not getting it. I’m using a simple and basic Javascript plugin called Saycheese for my webcam in a C# MVC web project. My question is: How to make the webcam off when the…
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answers151
viewsQ: How to find out the type of relationship between two tables
Hello, everybody I wanted to know a way, or better, if there is a way to find out through a SELECT the type of relationship between two tables wanted me to return. SELECT TABELA_PRINCIPAL,…
entity-frameworkasked Rodrigo 381 -
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answers655
viewsQ: Problems with Security Level Trust (Locaweb Server)
Hello, I’m getting the following error message below: This Configuration Section cannot be used at this path. This Happens when the site Administrator has locked access to this Section using from an…
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answer241
viewsQ: How to integrate Jquery.Validator and Smartnotification.js plugin?
My question is this:: How do I integrate Jquery.Validator() messages with the modal windows of the Smartnotification.js plugin? I would like that when the inputs get into the roles of validators of…
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answers384
viewsQ: How to mount a select that brings information of which column is PK, which is not, and which is FK
I need a TSQL bring me some table information data as which column is IS_NULLABLE, COLUMN_NAME, and so on, but I came across a problem, I can’t bring a column in a CASE WHEN which says that such…
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answer647
viewsQ: Problems authenticating to Report Service 2014 server via C# MVC5 application
I’m having a problem connecting to the Report Service 2014 server via C# of an MVC4 project: Setting: A Server Report Service 2014 has been installed that will have numerous reports, due to the…
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answers1434
viewsA: Obtaining the number of dependents of an official
Hello, I played your scenario here! and I set up what you might be wanting: CREATE TABLE Funcionario ( Id INT NOT NULL AUTO_INCREMENT, Nome VARCHAR(100) NOT NULL, PRIMARY KEY (id) ); CREATE TABLE…
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answer145
viewsQ: How to start a Consoleapplication that manages all database objects equal to Codefirst
Hello! to All I am starting a Console Application project in C#, I have read a lot about Entity Framework, Code First, Migrations. The purpose of this project is to generate all the tables of a…
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answers104
viewsA: Batch deletion using Linq
Follow an example: using (Entities conexaoEF = new Entities()) { // 1 - Seleciona a entidade no banco a qual se quer apagar. 'receitaParaDeletar' var receitaParaDeletar =…
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answer1692
viewsQ: Dataannotation: How to validate "e-mail" property, check whether or not it exists in the database, with attribute other than in the client and yes in the Server
I have a layered application, and in my presentation layer, I have a ViewModel that is UsuarioViewModel inside this I have a Property calling for public email {get; set;}. Already this validating…