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I joined Codidact a few days ago. I have looked around to learn the platform features and how things are handled in some communities. I just found that excel is a child tag of openoffice-calc. I ...
Reading from a union member who's size is larger than that of the last written member is explicitly allowed since C99, but the value of the extra bytes is unspecified. From the cppreference page on...
This can be achieved using SFINAE, making the default overload invalid for non-numeric types: template <class T, class... Types> constexpr bool in_variant(const std::variant<Types...>...
My large, multi-module Maven project validation (Maven Enforcer plug-in) is playing tricks on me. moduleA> mvn validate correctly finds all modules runs enforcer on all of them displays co...
I realize this might not be feasible, because course all of that hinges on the possibility to get some acceptable data on a users behavior on other sites, but for me the biggest hurdle is that to c...
I don't know the "real" answer, but from bash on Linux at least, it's possible to work around the issue by using -f instead of -c, using process substitution to supply the SQL: $ psql -v foo=bar -...
I don't think the question is trivial. Maven is very complex and confusing at first. The documentation is also quite something. It's not easy to figure out what's going on unless you already know. ...
I'm coming down strongly in favor of command-line arguments or options over interactive I/O for a number of reasons: Providing arguments on the command line is vastly superior for programmatic...
Context I noticed that an application was flooding the database with simple SELECTs. The investigation revealed some bugs in the health check which theoretically implemented caching (to avoid quer...
Hello everyone, I am seeking help with understanding why multithreading does not work correctly in this example: import time import matplotlib.pyplot as plt import concurrent.futures voltage...
private readonly int _checkInterval; What are the units? I have to search for usages to find out. I strongly favour using TimeSpan instead of int. private static readonly SemaphoreS...
Context I am currently migrating a Web application from on-prem infrastructure to K8s. The legacy infrastructure relies on defining some tokens in the configuration files and these are replaced d...
I'm trying to do some DOM manipulation in jQuery, but am having issues with creating wrapper elements. For some reason, prepending to the wrapper doesn't work after I call wrap. Code <html>...
This answer will use Python 3 for code examples. I encourage people to post other answers for other languages. I'll continue to update this answer, as I'm able, based on comments with tested/verifi...
Assuming that there are no alignment problems between the two pointer types (impl-defined), the code is otherwise well-defined. As per the quoted 6.3.2.3 C allows pretty much any form of wild and c...
Problem How can I compress each column of a dataframe to the output of a function (i.e., mean), preserving columns? MWE import pandas as pd data = {"A": [1, 2, 3, 4], "B": [5, 6, 7, 8]} ...
Let's analyze this code, assuming an architecture where the alignment of int64_t is the same as that of double: void bar(double *f, int64_t *j) { *(int64_t *)f = *j; } void foo(void) ...
The dictionary methods .keys(), .values(), and .items() all return view objects. Said objects reflect any changes to the underlying dictionary. This is often useful. Is there a way to get such a v...
MEMCMP simply compares the memory bits between two locations. This has nothing to do with whatever those bits might mean. Your first example, on the other hand, compares the contents of variable ...
Quick answer (DATE_PART(dayofweek, my_datetime) + 6) % 7 Slow answer For avoidance of doubt, here is what I believe you currently have (assuming an input called my_datetime): DATE_PART(dayofw...
I have a query summarizing some transaction data that I'd like to summarize by day of week. For my use case, I need to return weekdays formatted according to ISO 8601, so Monday must be the first d...
I'm trying to subclass pdb to have a debugger that, in case of a call to a decorated function, can "step in" the decorated function directly and skip the decorator content altogether. A well-behave...
The Code using Microsoft.EntityFrameworkCore; public class BloggingContext : DbContext { public DbSet<Blog> Blogs { get; set; } public DbSet<Post> Posts { get; set; } ...
Well, minutes after posting my question, I found the disappointing answer: no. Original answer found on https://www.mathworks.com/matlabcentral/answers/184191-can-i-have-subdirectories-in-a-packag...
