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I'm trying to make a program that renders a circle at a position the user gives and with the size the user gives. The code checks every pixel location to see if it fulfills the distance formula for the origin. See below:
void place_circle(int center[2], int size, SDL_Renderer* renderer){
std...
I've recently made a reverse-shell which allows you remote shell access to other computers.
It's written in Python 2 and it is cross-platform. Basically, it get's user input for a command and sends it to the client with sockets. The client then runs it with os.system.
Here's the code for the...0
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def permutations(lst):
if not lst:
yield []
return
"*** YOUR CODE HERE ***"
if type(lst)==tuple:
t=lst
lst=[]
for elem in t:
lst+=[elem]
if type(lst)==str:
lst=list(lst)
for elem in lst:
if elem:
...
import random
import turtle
import copy
topLeft_x = -360
topLeft_y = 300
t = None
numCells = None
Draw the board
so i draw the board first.
def drawBoard(grid, sideLen):
t.clear()
t.color('black')
#Draw the horizontal lines
for i in range (0, numCells + 1):
t.up (...
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A couple of Python scripts to clean, update and optimalize your music library. I'm open for all kinds of review to optimalize the scripts itself and improve my coding qualities
https://github.com/sebastiaanspeck/MusicLibraryOptimalizer
I've used this code to get the sum of the values of each column and display in footer. Here advantage is that I don't have to look for the column name, just get the count of total number of rows and columns and then iterate over each row and column.
Please suggest how can I make this code more ...
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def get_optimal_value(capacity, weights, values):
value = 0.
remaining_capacity = capacity
# compute value per unit
values_per_unit = [v / float(w) for w, v in zip(weights, values)]
while remaining_capacity > 0:
value_and_index = get_max_value_per_unit(values_per_unit)...
I am trying to draw a heat map with a given input of points and amplitude of each point. The normal input size is around 400000 points, but the code draws every 15th point. The map is drawn onto a Canvas.
In the XAML:
<Grid x:Name="MainPanel" Width="800" Height="600">
<Textbox Name="textbox...
I wrote simple function for checking if string is balanced (with brackets ([{}])). It takes a string argument and need to return boolean value (true if string is balanced and false if not).
const isBalanced = (string) => {
const arr = string.split('');
let open = [];
const openBrack...
I have the following code, and I'd like to refactor it to a more functional way:
for (Person person : personList) {
Integer addressId = createAddress(person);
if (addressId != null) {
updateDbStatus(addressId, person);
}
}
I tried the following:
per...
guys i am making a quadratic equation program, but my delta always show like an int when calculated, here is my code :
double a, b, c, x1, x2, delta;
cout << "Enter a : ";
cin >> a;
cout << "\nEnter b : ";
cin >> b;
cout << "\nEnter c : ";
cin >> c;
delta = pow(b, 2...
I have written this code after studying from Introduction to Algorithm. I think this code is very basic and simple. I want to modify it.
#include <iostream>
int tail;
int head;
void initialise_head_tail(){
tail=0;
head=0;
}
void enqueue(int a[],int x,int s){
a[tail]=x;
if( tail+1==s)
tail=...
As per wiki,
Dependency injection allows a client the flexibility of being configurable. Only the client's behavior is fixed. The client may act on anything that supports the intrinsic interface the client expects.
Dependency injection can be used to externalize a system's configuration...
Consider I have a String,
String value = "Sunday - H15,Sunday - H03,Sunday - H13,Sunday - H01,Sunday - H05,Friday - H23,Saturday - H05,Monday - H16,Monday - H17,Monday - H18,Monday - H19,Monday - H20";
In this String we have Days(Sunday, Monday etc..) and the Alphanumne...2
I am looking for tips on improving my implementation of an OOP design problem in Python3
Here is the problem (paraphrasing to save space):
There is a call center with three levels of employees - Respondent, Manager and Director.
A call that goes to the center propagates as Respondent -> Mana...
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In my script, User fills a Django form then two things : data are saved in my database and an email is sent to a support account.
I'm looking for improve this little part from my Django web application. All this process works fine, but I would like to improve this part in my view :
subject = "...
Question : https://pastebin.com/v9bjZJLa
I Don't know any mathematical way to count all preimages of a given 2-D grid. So I approached using a brute-force way. But there's a memory error if the dimension of grid is higher than 4x5. Can anyone suggest me a better way.
Thanks in advance.
Here's ...
For the Arduino programming environment, let's say I have a string literal:
char strlit[17] = "_ _ _ Sup _ _ team? _ _ _"
I would like to put brackets around the nth word and clear any brackets that may be around current words.
meaning that foo(strlit, 0) would return "_ _[Sup]_team?_...0
Problem statement: Given an array of N integers, find and print its number of negative subarrays (i.e sub arrays having negative summation) on a new line.
My code: Taking order of 3 time. How can I improve my code?
int sum=0,count=0;
for(int i=1,k,j;i<=N;i++){
for(k=1;k<=N-i+1;...
Is it a good practice to separate Logic from Request controller in an Api ?
Without separation:
@app.mod_portal.bp.route('scan', methods=['GET'])
@login_required
def scan_all():
print(vars(app.mod_portal.bp))
portals = Portal.get_all(g.user.id)
for portal in portals:
scan(p...
I have the following code to calculates and retrieves pair combinations:
public static void calculateCombinations(int x){
int number = combination(x);
int counter=0,y=0;
while(counter<number){
y++;
for(int i=1; i<=x; i++){
if(y!=i &&...
As an exercise, I've writing a program that will keep generating random integers and placing them into ranges, or buckets. The problem is to generate 100 random integers partitioned evenly into n buckets.
So, for example, for n = 10, it would be:
10 random integers in range 0-9
10 random...0
Admittedly, this is a duplicate of this question - Sum of Maximum GCD
But mine contains working code and it has successfully passed some of the test cases. But it does throw runtime exceptions and I'm trying to understand where I could be going wrong. I don't see any segmentation faults that cou...
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This is part 2 of better end test for square root approximation
Here is exercise 1.7 from SICP:
Exercise 1.7
The good-enough? test used in computing square roots will not be very
effective for finding the square roots of very small numbers. Also, in
real computers, arithmetic operat...0
Q: just getting into template literals im pretty sure this is incorrect but could i get some feedback?
I'm writing a tool that walks the AST of some JavaScript code, with the goal of hooking eval with a function (eg. _logJS).
Leave aside the implementation of the AST rewriting; suppose it works perfectly. What my tool does is replace function calls like foo(bar, baz) with the following:
// If `f...
I was wondering about "Local variable hides a field" hint displayed by some IDEs. Is this a bad practice? Should I avoid this? How?
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0
-1
Download the project
class ModelAndView
Holder for both Model and View in the web MVC framework. Note that these are entirely distinct. This class merely holds both to make it possible for a controller to return both model and view in a single return value.
Represents a model and view ...
I am changing all mysqli queries to use PDO now and just want to make sure I'm doing it right. Here is an old one:
$sql = "INSERT into profile (profileid, name, description) values ('$profileid', '$name', '$description')";
$sql= mysqli_query($connection,$sql);
if (!$sql) {
...0
One of my first attempt in React therefore I am sure there will bel plenty of non-sense of coding that it the main reason to put here for learning more from the review by intelligent users
Is the coding style is ideal with ES6 & new version of React ?
In pages using the technologies es6, babel....
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