Let's say we have the following classes: I have an IQueryable which I need to filter based on values provided in FilterA in some generic way, becau ...
Let's say we have the following classes: I have an IQueryable which I need to filter based on values provided in FilterA in some generic way, becau ...
I haven't worked with expressions that much, I am trying to reference an Expression property by string name but I cam getting this error: c# The m ...
This method should return a function which can evaluate the scalar product of two vectors of the same size: But in order to do that, I need to know ...
I want to build an expression for IQueryable GroupBy. While at the moment I'm just simplifying the problem to try and get it working, the eventual fin ...
I'm having trouble writing EF Core expression tree code that would be able to translate to MS SQL Server query utilizing all 3 parameters of its built ...
I'm trying to search for a string-equivalent value (which user inputs as HTTP request query parameter) in my SQL database on non-string columns (ie. b ...
So I have a perfectly working binary expression tree, but when I tried to modify it to add a parent pointer to each node, (which I will later need to ...
When using LINQ2DB for my application I tried to use entity-DTO mapping using Expression<Func<Entity, DTO>> and vice versa like described ...
So I am trying to take a user input and then parse it into an expression that I have set up an expression tree for. The expression tree that I have is ...
I want to create SQL LINQ expression like: Can someone help me to create that expression? I tried, but I am getting an error Substring(3,5) ...
I am fairly new to Haskell so it is probably something simple that I am missing but I have an expression tree that looks like this: And that code w ...
I am trying to loop post order through a sympy-expression. It works fine except for the fact that it skips the last addition (im my example case the a ...
I'm working on a typed scripting language backed by C# Expression Trees. I'm stuck on one issue around proper type conversion with binary operators. H ...
I'm struggling with expression trees and Entity Framework Core. I have a method that returns an expression tree that I will use for filtering, someth ...
I am trying to create an expression tree to make a lambda that can be used in an EntityFramework Where clause. I need to check for null and am trying ...
I write an assembly during runtime, which stores me all getter methods for all properties from about 1000 types. The code I use to pull the getters i ...
I have found ExecuteDeleteAsync and ExecuteUpdateAsync in EF Core 7 with great enthusiasm. They help to make my code much simpler and faster. There is ...
Background Context: I am working on a database project that builds models from parsed datasets and then merges these models with the database using E ...
I try to return vectors' scalar product using expression trees, but I can not loop into arrays, can u help me? The task description and code please se ...
The problem I am having is that when I have a fraction as an exponent in my sympy function, srepr evaluates that fraction and returns a float. I would ...