This is a follow-up question for A get_extents helper function for Boost.MultiArray in C++. In order to retrieve, manipulate size information in each dimension from Boost.MultiArray in some better ways. Besides the get_extents helper function, I am attempting to implement extents_to_array and arr...
I wrote a barebones version of wc in rust. wc is a program that counts the number of characters, words, and lines in a file and outputs those values to the command line. Here is an example of the output:
9 25 246 Cargo.toml
52 163 1284 src/main.rs
61 188 1530 total
My version current...
I have written a code snippet to use HashMap<String, Vec<&String>> as the main data structure, and finally, I want to return a collected Vec<Vec<String>>, I can archive it by a for-loop, it there any pure iterator way to do this? (I have tried several times, but got tones of
confused compiler err...
Here is my solution for Advent of Code 2020, Day 4, Part 1 in C. I tried using fscanf or fgets, but couldn't find a nice of doing it, so I ended up using getc. Is there a way of using fscanf or fgets that makes this code better? Also, how does the code look in general?
#include <stdio.h>
#include <
I am a beginner who just started writing in typescript.
I would like to ask how to map an array of objects with a children array efficiently.
what I am trying to do is I am trying to map navigation menu item objects to two arrays for a json LD object.
I have an array of navigation items as below....
myObject = {
myNestedObject1: {
prop1: "a",
thingy1: { colour: "yellow" }
},
myNestedObject2: {
prop1: "c",
thingy1: { colour: "red" }
}
}
What I am trying to do: return first key where prop1 has value "a" (in the example above, it's "myNestedObject1"). If nothing found r...
i'm learning about how to create a good and clean code, and i'm just need to review something like that, and i really not sure how can i fix this code into a clean code.
bool isValidUserName(const std::string& username)
{
bool valid = false;
if (username.length() >= MIN_NAME_LENGTH)
...
I am trying to calculate the nth number of Fibonacci sequence as efficiently possible in Python, so I tried this:
import time
import numba as nb
from functools import lru_cache
@lru_cache(maxsize=None)
@nb.jit(parallel=True)
def fib(n):
a=0
b=1
if n == 0:
return a
for _ ...
I am trying to replace in an adapted code from internet, a tread pooling class, named ThreadPool:
void ThreadPool::Wait()
{
// we're done waiting once all threads are waiting
while (m_threads_waiting != m_threads.size())
{
;
}
}
where m_threads_waiting is defined as:
std:...Use case
This is an event loop and signaling system I created for a piece of software which will have multiple asynchronous server/clients/event-emitters/ui, some of those components will have their own event loop running on a separate thread, some will just post events in the main thread event l...
This shell script, with only a few configurations, has the goal of initializing a project on Gitlab.com without having to go through the go through the website's ui.
This means: Let's say you just a project with a few source files, but you haven't done anything with git yet. The goal of this scri...
I am trying to build a broken link checker based on this How-to: https://dev.to/arvindmehairjan/build-a-web-crawler-to-check-for-broken-links-with-python-beautifulsoup-39mg
However, I'm having trouble with the line of code, since when I run the program, I get this error message:
File "/Users/Docu...
Where should i put print statements describing the flow of the program? Is there any convetion or code style for this?
Should they be in higher level functions?
def create_collage():
print('finding images ...')
image_paths = get_image_paths()
print('loading images ...')
images = ...
In light of the about to be starting nomination phase of the 2021 Community Moderator Election, I want to add this question as a place for the community to nudge candidates on the edge into actually nominating themselves.
We had this for the 2015 election and I kind of missed it in the 2018 elect...
In a current project of I have multiple modules that need to read from and write to a config.json file, where the settings are saved as nested dictionaries. I chose json here, because I want the config file to be human-readable.
Simplified example config.json:
{
"server_data": {
"email_address
I don't program much in c, but cobbled together some code from different places in google. I'm sure this is backwards especially in how it works with strings and directory files. Please let me know what the best practices would have been.
/* usbresetall -- reset all of the usb devices on bus 001 ...
