As I was streaming I had a brilliant visitor suggest we write a blockchain in Python.
So we did.
Note that there is no validation or voting simulated here.
Here's the results, in package/blockchain.py:
from __future__ import annotations
# https://mypy.readthedocs.io/en/latest/running_mypy.htm...
I have a part of code that is loading a dataset and normalizing property values to [0, 1]. My implementation is:
import pickle
import numpy as np
with open(dataset_name, 'rb') as f:
prop_1 = pickle.load(f)
prop_2 = pickle.load(f)
prop_3 = pickle.load(f)
l_bound = []
l_boun...
The following snippet of C includes implementations for both Windows NT and POSIX-compliant systems to get the time (with microsecond resolution) since the Unix epoch. In the case of Windows NT, the time is registered as 100-nanosecond ticks since the NT epoch (1/1/1601), so it requires a bit of ...
As some you you may know, handling disconnected entities in EF can be a bit of a headache. After a really long weekend, I managed to make it work for my use case and refactor the code to the best of my knowledge. However, I'm still not happy with it since every time I have to add a new entity to ...
I am a beginner in python. This is the Nested Lists problem from HaackerRank.
Given the names and grades for each student in a Physics class of N
students, store them in a nested list and print the name(s) of any
student(s) having the second lowest grade.
Note: If there are multiple ...
Introduction
I am recently learning Rust by reading The Rust Programming Language (a.k.a. the book). I have finished the first three chapters so far, and this is my attempt for the first exercise listed at the end of Chapter 3, which has a simple description:
Convert temperatures between Fa...
I've created some controller for handling clicked links statistics. Does this class meet Single Responsibility Principle?
class StatisticsController
{
protected $statisticsQuery;
public function __construct(StatisticsQuery $statisticsQuery)
{
$this->statisticsQuery = $statis...
Good morning/ evening/ afternoon/ night everyone,
I do not have an intention to ask for an answer, but I want to know if my answer is good for a two-week Python beginner? Thanks in advance.
Question:( Automate the Boring Stuff with Python/ page 102)
Comma Code
Say you have a list value like t...
I'm trying to replicate Android's GenerateViewId() to assign a unique Tag to dynamically created UIViews in Xamarin.iOS.
internal static class LayoutExtensions
{
// A tentative to mimmic Java's AtomicInteger used by GenerateViewId()
// https://android.googlesource.com/platform/frameworks...
I developed this small code to make my life easier when I work with remote machines over ssh tunnel crossing a bastion host. I would like to publich it so others could benefit/learn from it.
So I would appreciate your opinions for improvement or maybe I foreseen some issues in this approach.
G...
First post here. I sincerely hope that I am doing everything by the book. Also, I want to thank you in advance for any help and assistance that you may be able to provide me. I have been coding VBA for 2 weeks and I realise that my code may suck.
Problem; what can I do to make my code faster? I ...
Let's say I have this ConcurrentDictionary defined statically at a Global level (Global is called 'WebApiApplication'. Any reference to WebApiApplication within the following snippets refer to globally defined static variables).
Public Shared Property ssMWMultiTenant As New ConcurrentDictionary...Basically I'm implementing an Audio Player in Angular. I based the audio player off of this tutorial. The only thing is I'm implementing a Jukebox, so the audio cannot be hard-coded in as it will change based on what the users queue. I researched my problem and most solutions involved using a Sub...
I am using c4.4xlarge and c4.8xlarge for cfn-cluster. Sometimes I use my own templates, other times I have used AWS default for VPC US-West(Calif), specifying e.g. c4.4xlarge.
After the cloud is formed, I can never seem to run the simple hello world shell using qsub, and even this small job ...
I am beginner in HTML/CSS, I realized the header part, here is an image below.
I would like to know if my code is correct ? I have another problem. I don't know how to rename class names correctly? Is there a convention?
I thank you in advance for your help.
body{
margin: 0;
padding:...I'm trying to keep my script from exceeding the maximum execution time, but I'm not sure how to optimize my code. The part that really hangs is when the file is an APR. It has to unzip 69 files, convert them to Google docs format, and then overwrite the existing tabs on a Google Sheet. Thank you!...
I'm switching my neural network library over to using ArrayFire for performance.
One of the features I am losing moving from ndarray is ndarray_einsum_beta, as such I need to write my own function to carry out what I was using einsum for.
This function needs to be as fast as possible.
This is ...
I recently finished writing a conway's game of life implementation in c++, using sdl2.
Please tell me what needs to be improved.
Github Repo
In a particular social network friends are automatically allocated to users by the system and users cannot add friends of their choice on their own. There are currently N users on the social network, labeled from 2 to N+1.
For every ith user (where i ranges from 2 to N+1), the system allocated a...
I made a C# console maths test where the user answers addition, subtraction, multiplication, division, power, square-root questions based on the difficulty they choose!
However, I am struggling to refactor one part of my code.
Here is my code:
using System;
using System.Collections.Generic;
n...
