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В базе данных в таблице есть столбец ‘users’ с типом данных enum, в котором содержится перечисление. Как получить данные из этого столбца? Пример запроса String sql = “SELECT `users` FROM data WHERE `name`=?”; PreparedStatement stmt = connect().prepareStatement(sql); stmt.setString(1, user.toLowerCase()); ResultSet result = stmt.executeQuery(); if(result.next(){ result.getЧТО-ТО() } Помогите, пожалуйста, с выводом данных.Read more

I have an entity called History which is tied to an Order entity. History has a property called Operation. All possible values for this property comes from an enum that goes like this: public enum Operations { ItemAdded, ItemRemoved, SupplierChanged // and so on… } These are the operations through which that history record wasRead more

I am storing information about Widgets in my database, and each Widget has one (non-unique) transformation function associated with it. My problem is how to associate Widgets with their transformation function. My first instinct was to use an enum for the transformation function. I am using sqlalchemy for my database ORM, which includes an enumRead more

¿Como convertir string a Enum en un metodo generico? public static T EnumFromString<T>(string value, T defaultValue) where T : Enum { return ….; }Read more

/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.awzpact.cm.util; /** * * @author zia.khan */ interface Named { public String getName(); } // Super class of all Tables. class Table<ERead more

I’m quite new to Go and would like to improve my code. I have a representation for access levels in Go like this: type AccessLevelValue int const ( GuestPermissions AccessLevelValue = 10 ReporterPermissions AccessLevelValue = 20 DeveloperPermissions AccessLevelValue = 30 MasterPermissions AccessLevelValue = 40 OwnerPermission AccessLevelValue = 50 ) What I want is a “constructor”Read more

Imagine there is an endpoint GET /v1/status which returns one of predefined statuses that are documented. For example one of [disabled, enabled]. The endpoint can be used by other third party services. The problem that I see with just adding a blocked status as is, is that third party clients will not be able toRead more