I'm trying to write universal factory creating objects by name. I've got some working prototype now but there must be a better way than casting construction methods to void pointer.
struct aobject {}; // some base
class factory
{
public:
template <typename... TArgs>
static aobject *crea...
I wrote the following a while ago (using regex code I found on Stackoverflow), and I have the following concern I'd like addressed: should there be an std::move() around the passing of the string into the parameter in the second version of the function, ExpandEnv(std::string const &text), to the ...
I have created this program and intend to implement it into basic card games that I create. I would like help cleaning up redundant code and overall, make it more concise.
import random
class Card():
def __init__(self, value, suit):
self.value = value
self.suit = suit
...
For the codeforces problem 158B Taxi problem. Can someone explain the logic behind the below code: Problem :158B
I=raw_input;I()
s=map(int, I().split())
a,b,c,d=map(s.count,range(1,5))
print d+c+(2*b+max(a-c,0)+3)/4
I'm starting to learn Angular and I wanted to ask if this application is good? Is it following good standard of coding or code of rules? Is it following good practices? Your response will truly guide me in learning Angular. This is the his github
[https://github.com/chenkie/ng2-cribs][1]
I've written a tool in Python to help me with a specific problem I have with electronic circuit design. Here are the motivations:
It is common in circuit design to need to choose two resistor values to form a voltage divider. Any number of combinations of resistors can satisfy the divider. And ...
I wrote a program for a basic AI with voice recognition that makes request to News API to retrieve metadata for the headlines currently published on a range of news sources and blogs. For now it does everything I need it to do. What I want to do is improve the quality of the code with best practi...
I currently have a module with Class / Methods I want to use in other scripts. Recently chess.com released a read-only REST API for beta-testing. The methods in my class build a URL for the API endpoints I am interested in and get the JSON data for me to work with in other scripts.
It is worth ...
I have made an api call to google apps using server to server authentication. These are the credentials it requires.
service_account_user= [email protected]
p12_fullfilepath = /home/tara/taraproject/myvenv/myp12file.p12
secret_password = secretwhilesetup
api_sco...
I have used command pattern with undo support. The terms associated with Command Pattern are as follows
Client → Invoker → Command instance execute() → Receiver
so the client will need to know whether the operation was successfully so that it can decide whether to undo.
In my example, Receive...
The purpose of this code is to produce a universe of points, randomly generated around predetermined centroids, provided as a vector of vector. The final product is a file of sample points, to be used for fake data analysis in another program. The objective here was brevity and speed - I feel the...
I skipped reviewing this answer because I am not sure what to do with it after I read the comment posted below it:
Welcome to Code Review! You have presented an alternative solution,
but haven't reviewed the code. Please explain your reasoning (how your
solution works and why it is better...
My partner argue with me about weather should we add ( and ) when a function want to return a tuple.
def gravity(self):
lat = sum([o.user_location[0] for o in self.orders]) / len(self.orders) lat = sum([o.user_location[0] for o in self.orders]) / len(self.orders)
lng ...
I started to learn Go language and I figured to write another request router as I am going to need it for my next Go project. As it is my first thing written in Go I appreciate comments and suggestions. Thanks a lot. Find code base on Github
I've been implementing a little application that will read a text file that holds URL addresses (one address per line).
Example:
http://www.yahoo.com
http://www.cnn.com
http://news.google.com
Based on that file, I am supposed to read the parsed content of the main page for each URL and search...
I came up with this simple solution:
public class Main {
/**
* How to count occurrence of a given character in a String?
*/
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
if (!in.hasNextLine()) {
System.out.println("You must enter a stri...
This class is read specific information(body, subject...) form Outlook emails.
I want some suggestions(Naming, avoid code smells, OOP designs.. and more..) to improve this code... Thanks.
public class MailMessageInfoHandler
{
private const string ExchangeAddressType = "EX",
...
I'm starting writing in Python and is tasked with writing a simple tool that opens a web-page, collects all the URLs (both complete like http://mail.com and relative ones like /mail/inbox) and returns a list of them prefixed with the domain name. The code is below.
Could someone take a look and ...
I have been trying to learn javascript for a year now, and have just embarked on HackerRank's 30 days of code. After a couple of days I finally solved this problem. Here is the task (if you click the link, press x to the signup page):
Task
Given a string S of length N that is indexed from 0 to...
I am trying to solve this problem from HackerRank https://www.hackerrank.com/challenges/equal/problem
here is my Java attempt
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
static List<Integer> memo = new Arr...
I wrote a small wrapper function to choose between runtime (std) sqrt and a constexpr version, as a continuation of the vector class I published here earlier:
C++ mathematical n-dimensional vector template using fold expressions
It seems to work fine and Compiler Explorer shows that the sqrt fu...
I have a list of contacts, classified into categories. Each category is represented with a different class.
So, base class:
class Contact
{
public ushort Id { get; private set; }
public Phone Phone { get; private set; }
public Contact(ushort id, Phone phone)
{
Id = id;
...
I have the following case, I need to delete a specific observer for the firebase database reference, so I made a code that looks something like it looks to the NotificationCenter. In various managers I used NSMapTable in order to keep the weak references on UIViewControllers and that contorller s...
I have been struggling with a RegEx pattern for a while now.
I am trying to match a single Text character at the start of a string and then anything after that character that is an integer with a length of 5 characters.
Ie,
A12345 = Match
B34464 = Match
2B3456 = No Match, first digit is not ...
In the process of updating a Table: Table_Id, Table_Column1, .. , Table_ColumnN.
I want to split my current result List<Table> into:
List<Table> toInsert, For a bluck insert.
<Table> Dbitem, To SubmitChanges to update the row.
For now, for each Table of my result I'm looking for a matching...
This is actual production code, and I think what I have stripped out is truly irrelevant to the question. (If I'm wrong I'm sure I'll be corrected.)
This is a request object received by a .NET Web API application. Our application has dozens of them, and they each have a Handle() method.
I'm not...
I am working on a library that parses query strings and evaluates the result for a given context. The query has the format FIELD OPERATOR VALUE (AND|OR) .... The list of operators is constant, but the field's type can be customized (default primary types are supported right now - other types can ...
I am self taught in python. I love to play the lottery and play with numbers. I put this program together as a hobby to learn python and build something that people can use.
I used and reused code throughout the program, so some variables in different methods are the same, but still accomplish t...
Consider a custom class X holding some resource (for simplicity represented here by an integer member variable) with move constructor (MC), move assignment operator (MAO), and a custom swap function:
class X {
int i_;
public:
X(int i) : i_(i) { }
X(X&& rhs) = default; // move constructor
X
You’re given A/B and C/D. You will have to calculate A/B + C/D and answer it as E/F.
Input specification
On the first line you’re given the test case number N. Then there will be N line following. Each line consist of 4 integers with two “/” in the middle. For example: the each line wil...
Here is my attempt to implement a simple counting semaphore in Java. Please share your comments.
/*
* A simple counting semaphore implementation.
* Acquire calls block until a resource is available.
* Supports fairness option which serves Acquire calls
* in FIFO order.
*/
import java.util...
Over the last couple of months I've been working on a zork-style text based adventure game to kind of crash-course teach myself Python. I've gotten to the point in it where I'm fairly proud of what I've made so far, although it's not complete I think that it's ready enough to post on here.
w...
I'm new to Python and have written a UEFA Champions League draw simulator. It receives input for 32 teams from 14 countries, and then randomly distributes them into groups of 4, never putting two teams from the same country into the same group.
I am looking for more efficient ways to write this ...
I've been asked to review code. And here's the code:
const eachText = [];
$('td')
.each((i, td) => {
if (td.textContent.startsWith('H')) {
eachText.push(td.textContent);
}
});
Here's what I adviced:
should be named uppercase like all other languages (like a de-facto standa...
I have a PageStore interface defined as:
type Pagestore interface {
NewPage(url string, finished bool) (*PageData, error)
GetPage(id string) (*PageData, error)
SavePage(p *PageData) error
FinishPage(p *PageData) error
}
And a struct RedisPagestore, that implements this interfac...
This is a code revision of a previous post and works well.
Code has been reworked to be far more clear and concise, thanks to reviewer suggestions. Redundant and unnecessary data structures have been removed, and code has been made more consistent with C++11.
The purpose of this code is to prod...
The task is to convert a temperature in a list of fahrenheit, celsius, or kelvin to the two other temperatures in the list.
Here is my code:
/*
* #define LANG C
*/
#include <stdio.h> /** standard io **/
#include <stdlib.h> /** exit(), atof and the lot **/
#include <unistd.h> /** needed f...
I am implementing my first app using MVC.
I would like to know if the approach I thought for the session system is a good and scalable one.
Well, basically a session is stored in my MySQL database and it is represented as a Session Model object.
I also created a SessionDataMapper that makes the...
