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What is a Y-combinator? [closed]
...e.
Below is an example of how the usage and working of a Y-Combinator, in C#.
Using a Y-combinator involves an "unusual" way of constructing a recursive function. First you must write your function as a piece of code that calls a pre-existing function, rather than itself:
// Factorial, if func d...
Populate data table from data reader
I'm doing a basic thing in C# (MS VS2008) and have a question more about proper design than specific code.
5 Answers
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Why Func instead of Predicate?
...I think Skeet's point is that Expression<> isn't a guideline. It's a C# compiler feature to recognise that type and do something different with it.
– Daniel Earwicker
Mar 20 '09 at 12:45
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Why does C++ need a separate header file?
...ia speaks a little to this.
Newer compiled languages (such as
Java, C#) do not use forward
declarations; identifiers are
recognized automatically from source
files and read directly from dynamic
library symbols. This means header
files are not needed.
...
To Workflow or Not to Workflow?
...ortunities. So if the mix of people on the project are fairly conservative C# devs attached to their daily set of OO and patterns, it will be hard to introduce. If the team is more innovative, then adoption will be much easier because the potential and new doorways multiply with each discovery.
Two...
Can we define implicit conversions of enums in c#?
Is it possible to define an implicit conversion of enums in c#?
12 Answers
12
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If strings are immutable in .NET, then why does Substring take O(n) time?
...rios.
For example, my team writes programs that do on-the-fly analysis of C# and VB code as you type it. Some of those code files are enormous and thus we cannot be doing O(n) string manipulation to extract substrings or insert or delete characters. We have built a bunch of persistent immutable dat...
Simple explanation of clojure protocols
...ve it, but fail in one way or another: Interfaces and Extension Methods in C# and Java, Monkeypatching in Ruby, Python, ECMAScript.
Note that Clojure actually already has a mechanism for solving the Expression Problem: Multimethods. The problem that OO has with the EP is that they bundle operations...
How can you program if you're blind?
...ars on Windows, Mac, Linux and DOS, in languages from C/C++, Python, Java, C# and various smaller languages along the way. Though the original question was around configuring the environment, I think it's best answered by looking at how a blind person would use a computer.
Some people use a talking...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...you don't get that piece of information you should remember that it is not C# source that executes but rather IL:
IL_0001: ldnull
IL_0002: stloc.0 // s
IL_0003: ldloc.0 // s
IL_0004: callvirt System.String.get_Length
IL_0009: call System.Console.WriteLine
It is the c...