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Is using Random and OrderBy a good shuffle algorithm?
...asy to implement an O(n) shuffle. The code in the question "works" by basically giving a random (hopefully unique!) number to each element, then ordering the elements according to that number.
I prefer Durstenfield's variant of the Fisher-Yates shuffle which swaps elements.
Implementing a simple S...
Is there a way for multiple processes to share a listening socket?
...POSIX type OS), using fork() will cause the forked child to have copies of all the parent's file descriptors. Any that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apac...
Logging errors in ASP.NET MVC
...ET MVC application to log exceptions. The way I'm doing this is by having all my controllers inherit from a BaseController class. In the BaseController's OnActionExecuting event, I log any exceptions that may have occurred:
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Create a custom callback in JavaScript
All I need to do is to execute a callback function when my current function execution ends.
10 Answers
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Use LINQ to get items in one List, that are not in another List
...rs find more readable:
var result = peopleList2.Where(p => peopleList1.All(p2 => p2.ID != p.ID));
Warning: As noted in the comments, these approaches mandate an O(n*m) operation. That may be fine, but could introduce performance issues, and especially if the data set is quite large. If t...
What is the exact meaning of Git Bash?
... , fetch , and merge . But I still don't know what Git Bash itself actually is!
4 Answers
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Count the number of occurrences of a string in a VARCHAR field?
...rough text that also has words with capitalized letters (like German where all nouns are written with capitalized letter). The REPLACE only replaces exact matches. To consider all words you need to change the replace above to: LENGTH( REPLACE ( LOWER(description), "value", "") ) and make sure that "...
Is there a difference between single and double quotes in Java?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to determine an interface{} value's “real” type?
... h4ck3rm1k3h4ck3rm1k3
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How to add item to the beginning of List?
...ssible to insert at the end of the list?
– Gary Henshall
Dec 11 '17 at 14:36
3
@GaryHenshall yes,...