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Cause of a process being a deadlock victim
...Polyfun's answer here:
How to get rid of deadlock in a SQL Server 2005 and C# application?
It explains the concurrency issue, and how the usage of "with (updlock)" in your queries might correct your deadlock situation - depending really on exactly what your code is doing. If your code does follow t...
Mapping two integers to one, in a unique and deterministic way
...ions involved in Cantor pairing function means its slower too.
Here is a C# implementation.
public static long PerfectlyHashThem(int a, int b)
{
var A = (ulong)(a >= 0 ? 2 * (long)a : -2 * (long)a - 1);
var B = (ulong)(b >= 0 ? 2 * (long)b : -2 * (long)b - 1);
var C = (long)((A ...
Creating stored procedure and SQLite?
...h your own user defined functions in the host language (PHP, Python, Perl, C#, Javascript, Ruby etc). You can then use these custom functions as part of any SQLite select/update/insert/delete. I've done this in C# using DevArt's SQLite to implement password hashing.
...
How to sort with lambda in Python
...o use key functions with lambda functions.
Python and other languages like C# or F# use lambda functions.
Also, when it comes to key functions and according to the documentation
Both list.sort() and sorted() have a key parameter to
specify a function to be called on each list element prior to makin...
Unauthorised webapi call returning login page rather than 401
...
Using C# 6, here is a smaller version of IsAjaxRequest: private static bool IsAjaxRequest(IOwinRequest request) { return request.Query?["X-Requested-With"] == "XMLHttpRequest" || request.Headers?["X-Requested-With"...
LINQ to read XML
...
Not the answer you're looking for? Browse other questions tagged c# xml linq linq-to-xml or ask your own question.
'await' works, but calling task.Result hangs/deadlocks
...Cleary: there's no "enouraging" of async void. It's merely employing valid c# construct to solve the deadlock issue. The above snippet is an indispensible and simple work-around to the OP's issue. Stackoverflow is about solutions to problems, not verbose self-promotion.
– Herma...
Interface vs Base class
...t's take your example of a Dog and a Cat class, and let's illustrate using C#:
Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abstract class Mammal
This base class w...
Add property to anonymous type after creation
...
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Why is Thread.Sleep so harmful
...ly know what you're doing and why".
A couple of my other favorites in the C# world are that they tell you to "never call lock(this)" or "never call GC.Collect()". These two are forcefully declared in many blogs and official documentation, and IMO are complete misinformation. On some level this m...