Reflection is the process by which a program can observe and modify its own structure and behavior at runtime.
7
votes
1answer
89 views
Milking a COM type library: “fun” with COM reflection
Once upon a time, there was a duck that wanted to know where and how user code was calling into the VBA standard library and Excel object model. To match the rest of its API, the poor little duck had ...
4
votes
2answers
42 views
Storing disassembled data in a structured way
I want to store the information returned by the dis function of the dis module in a structured way, using a dict, associating the mnemonics of each code of a line to the correspondent line number.
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2
votes
1answer
29 views
Property validation
I require that the Feature set of my Licence to have a non-empty intersection with a set of features that the module I am loading contains. I expect other lists in my License to form similar ...
2
votes
0answers
25 views
Pagination links for various lists using Spring-HATEOAS
I'm using Spring HATEOAS to create some links on my REST API. However, the entities i'm returning are very close, so the code to generate the links are the same:
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10
votes
3answers
195 views
Tracking Entity Changes (not EF)
So, I kept refactoring my Sage300 API wrapper - I wanted the client code to feel just like using Entity Framework - this is the closest I got to it:
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1
vote
0answers
89 views
Saving the state of a ViewModel
I've the following scenario, I've got some viewmodel that need to persist their state on disk.
I've defined a custom attribute as:
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2
votes
3answers
98 views
Reflection optimization
In a web application I'm working on I have a class that Map objects to other (different) objects. It is implemented with something like:
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1
vote
0answers
13 views
How to properly assess performance gain of CreateDelegate instead of pure reflection? [duplicate]
In a web application I'm working on I have a class that Map objects to other (different) objects. It is implemented with something like:
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8
votes
1answer
97 views
Linq-to-Sage Implementation
Following-up on my last question where I wrapped the Sage API with a familiar IRepository interface, I decided to push the abstraction a step further, and... ...
3
votes
1answer
70 views
Creating a Succinct, easy-to-read Method/Parameter Tracer
I am writing a class which can log the activity of an application during run time. The plan is that the SupportMI string will be sent to a DB, from where I can use ...
6
votes
1answer
49 views
Wrapping the Sage300 View API with… a Repository
Related: Something like a LINQ provider
I needed to work with the Sage300 View API. I had never worked with it, but my first impression has been that the API is ...
3
votes
1answer
56 views
Request handler based solely on reflections ver. 2
This question is connected to the previous one: Request handler based solely on reflections
I have edited the code, taking tim's answer in regard, editing the Kernel class cohesion.
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4
votes
1answer
59 views
Request handler based solely on reflections
The code itself is divided into 3 logical parts:
Core modules (I call them Kernel modules, my love for Linux) - those are basic modules a web-developer would need, e.g. database wrapper class (PDO), ...
12
votes
2answers
389 views
6
votes
1answer
85 views
NullGuard for throwing more informative exceptions
This small utility class is my solution for a more convenient way for checking against null. I also wanted to have more informative NullReferenceExceptions but I ...
1
vote
0answers
25 views
Constructing a ship from a blueprint [closed]
In a game, I want to construct space ships from blueprints. The way I modelled it, a ship contains components and their position and a blueprint contains classes of components and their position. ...
5
votes
1answer
85 views
How to refactor this mapping class not to violate SOLID
So I have the below (which is working correctly and all my unit tests are passing) but it's ugly and is violating SOLID, I will have to change the class every time I want to be able to map a different ...
11
votes
3answers
793 views
Give me thy name, I'll invoke thee
This generic function invokes a property of a given object by name:
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11
votes
4answers
732 views
Using reflection in a test to check if a private variable is really null after a function, is this okay?
I am using reflection to check if a private variable is set to null after the logout function. This is needed because the getUser function will always attempt to set and return an user if no user is ...
0
votes
1answer
47 views
Creating instance of all classes that have certain attribut value
I have a simple custom attribute MessageDeliveryAttribute that has one string filed. Also I have several classes that mark with this attribute like:
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2
votes
1answer
45 views
Looking up alias using inspect in Python
I'm on a quest for making a good debug_print() method for printing out debug information in some of my private projects. When testing I aliased my ...
5
votes
2answers
181 views
“Better” Exception with autogenerated message
Because I don't like writing the same useless exeption messages all the time ;-) I thought I create a better exception that would make this for me. This is what I came up with:
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6
votes
1answer
98 views
A C function for returning the address of the calling function
Suppose you are given two functions, foo and bar, and neither of them are inlined. Now, if ...
4
votes
3answers
286 views
Generic toString() for JPA base entity class
In a Java/JPA project I usually define a base class (on which I put the id). The goal is to implement an generic toString() on this base class (named BaseEntity) from which all other entities inherit. ...
1
vote
1answer
50 views
Map all symbols in module to dictionary
The div and add functions are located randomly in my package structure. I have a function with this signature:
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3
votes
2answers
145 views
Getting a list of all fields in an object
I've got the following code that I use to output a list of all (public) fields in an object in an easy(ish) to read way. The issue with it is that the code is not easy to look at, and I'm not sure ...
3
votes
2answers
80 views
IEnumerable extension method that ingests SqlCommand and returns query results
The following ingests a preexisting SqlCommand and returns the values.
A couple caveats right now.
1 ) Type properties must be named identical to the SQL column
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2
votes
1answer
94 views
Getting translated string using reflection and Resource Manager
I wrote the following code to get the translated string from Resource Manager. The method GetTranslatedString is called more than 50 times in my project.
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2
votes
2answers
64 views
Method for finding all classes
This was inspired by a Stack Overflow question about getting all the classes of an application and I took it a little too seriously (or perhaps not seriously enough).
It's rather silly to do it this ...
10
votes
3answers
753 views
Listing human-readable enums
I'm trying to do some util class to operate on enums - convert Enums to its special strings representation via interface method.
String stored in enum constructors.
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1
vote
1answer
85 views
Create Form Controls based on the properties of a class
Is there a better way to create Form Controls for properties of a class? Right now, I iterate through all properties of a class and have a method to create the Form Control for that property based on ...
7
votes
2answers
115 views
Strict types decorator (works only with Python 3.5)
I wrote a decorator which makes Python 3.5 raise exceptions if the arguments that are passed to a type-hinted function are of the wrong type.
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2
votes
1answer
78 views
Method that return related entities using OData
There is method GetFull that should use OData return related entities.
When I call GetFull(12, "entity1,entity2") then I will ...
2
votes
1answer
32 views
Find foreign key membership including owner in SQL Server
Was hoping someone could sanity-check this SQL statement. I need to find the owner (schema), table, and column on both sides of a foreign key:
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4
votes
2answers
256 views
Setting the value of properties via reflection
I am working on an application in which I have to parse an XML file. Nodes of the XML file corresponds to an object. I have to populate the properties of the objects at run time. The code below ...
5
votes
1answer
71 views
Generating controls based on PropertyInfo
This is a class that takes a PropertyInfo and makes a Control for it. You can access the value of the control through a property on the class called Value. ...
6
votes
1answer
97 views
Getting all public constants from the main and nested classes
I wrote this recursive function to get all constants from a class and its subclasses. Can it be simplified?
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5
votes
1answer
79 views
Project Euler: Autorun problems
I've found that it's a huge pain to have to write the boilerplate code for each Project Euler problem I write (timing code, main method, what about running every problem instead of just one?). So I ...
6
votes
1answer
124 views
Dynamic data object generation
Last weekend I had an idea: Why not remove dozens of classes by removing all the basic get/set/equals/hashCode implementation of my data object interfaces? I tend to code against interfaces, so I ...
4
votes
0answers
68 views
Creating companion classes that are `inherited` onto any sub-classes
The idea for the code I have written came about due to the acts_as_versioned gem which automatically nests a Version class onto ...
0
votes
0answers
38 views
Generic Razor view Model property validation for Form
I have run into instances where someone would add columns to a table in the database, update the Entity Framework models for our solution, but forgot to update the forms to compensate for the added ...
3
votes
2answers
262 views
Set Game State from String
Before I used reflection to invoke a state based on the string, it looked like this:
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1
vote
4answers
275 views
Python Decorator - inspecting function argument values
Some of my functions use a "fail_silently" flag. It is used in the following way:
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5
votes
2answers
179 views
Recursively merge dictionaries with generic types in C#
I am looking to implement a method that is capable of merging 2 dictionaries using generics. I've seen several great answers on SO already, but none handle the case of nested dictionaries. As in, what ...
1
vote
0answers
2k views
Retrieving Primary Key from Entity Framework entity
Entity Framework (version 6) generates classes based on your tables that look like this (where each property represents a field in the table):
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6
votes
1answer
632 views
JSON serializer using generics rather than System.Object
I recently created a custom static class in C# to encode, hopefully, any object it is given (or collection of objects), because I was, at the time, unaware of a native C# library that did the same ...
4
votes
1answer
93 views
Porting a web-based POS system to Android
I'm currently porting a web-based POS system to Android. The Android version uses NavigationDrawer to navigate between menus.
What I need a code review on is my ...
2
votes
3answers
165 views
Property Mapping with Reflection efficiency
I have an object that I am populating via mapping and lookup with Reflection:
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2
votes
2answers
120 views
config.properties, Static Classes and Reflection
I wanted an opinion about an idea I had regarding the use of config.properties, static classes and the use of reflection.
I have to load some preferences at application startup, for that I will be ...
6
votes
2answers
206 views
Building in the built-in declarations
In order for Rubberduck to be able to "recognize" the built-in VBA functions, procedures and objects, I added yet another constructor parameter to my Declaration ...
