I need to get values from a Map by Adapter position i get from a RecyclerView.
As you can see each time i click on an Album Art i create a new array of album objects.
final Album[] albums = new Album[albumMap.size()];
for (Map.Entry<Integer,Album> e : albumMap.entrySet()){
albums[i+...
I have hierarchical table for my features with a parent-child relation. There was an unique constraint missing, why I have branches in the data, where multiple children relate to one parent. To add the constraint, I have to remove the branches.
CREATE TABLE feature_log
(
feature_id UUID DEFA...
So my task was to make a lottery function, but the instructor only provides half the code when explaining and going through my resources i was unable to find proper examples on how to complete it aside from this part.
import random
def user(startval, endval, numberpicked):
somelist = []
...
Listening to messages from the udp socket, I would like to somehow determine where packets come from and scatter in sessions to get a more detailed report on the received data, I just did it forehead, looking for the current session and recording in its channel, I would like to know if more elega...
I implement BinaryTree (K extends Comparable, V) concept to binarySearchTree and I have written get and put method. As far as I check, there is no problem in my code. So now I wonder that are there any problem or weak point in my code? and m,
public void put(K key, V value) {
Node n...
I need to return different types from my function, which is responsible for executing SQL queries.
I suppose template function is what I need, but I'm having some problems figuring the implementation out.
What I would like to do, is return false/true when query contains "INSERT", and in case w...
i want to ask you if i POST an article with featured=True then the old featured=true get transferred to featured=false queryset. i just want two [:2] values in featured=true queryset. here is the example of what i want there are two article in featured=true queryset which i want the second articl...
I'm solving basic sudoku puzzles with backtracking, but it's slow. I want to update the domain for each field on the grid, but I don't know when or how to update the domain to remove invalid entries.
Aside from the main question, I'm not a Python 'native' so all suggestions are welcomed.
Objec...
This is a follow-up question to this question, having carried out some of the advise kindly provided by other users.
The full repo is here, but I'll post the most important extracts below.
Background
I'm trying to get the hang of blockchain and public key cryptography, so I thought it would be...
I need a class to generate json content from data retrieved from a database. This gave me an excuse to play at creating a json library. This is my first attempt so it could probably be improved in many ways.
Features are:
feed in json from stdin to populate internal structures.
output json t...
I recently started building a web office for a company that I want to launch in the future and I need an advice if I am doing it the right way, or should I take a different approach while I am still at the beginning.
So far I only got the login system and the user/role management system but I pl...
The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another number.
Given an array nums representing the data status of...
Thanks for all the great feedback in Part 1. I implemented a lot of it. Here is version 2. I am looking for feedback on:
Recursive solve algorithm. It's too slow. I used Chrome DevTools Performance Profiler to optimize slow functions and I sped it up a lot. But fundamentally I think the algorit...
Python script that can download images and videos of the user, like Gallery with photos or videos. It saves the data in the folder.
How it works:
Log in in instragram using selenium and navigate to the profile
Check the availability of Instagram profile if it's private or existing
Gathering ur...
I have a validator class, whose purpose is to validate input data. Initially I wrote the class like this:
export class ValidatorForInputs {
constructor(inputData) {
this._data = inputData;
}
validate() {
let results = {};
let validateInputDataForMissingKeys = checkInp...
Here is a class that I have implemented in order to sort rows of parameters in the form of an array of strings.
public class ParameterLinesSorter : IParameterLinesSorter
{
private int identiferIndex;
private IEnumerable<string[]> parameterLines;
public IEnumerable<IEnumerable<string[]>
I'm trying to calculate the size of the files on my disc. In java-7 this could be done using Files.walkFileTree as shown in my answer here.
However if i wanted to do this using java-8 streams it will work for some folders, but not for all.
public static void main(String[] args) throws IOExcepti...
I wrote a class that contains a static method that reads in files from NetworkRepository and converts them into a list of integer-arrays, each representing an edge. The file format from NetworkRepository is, that each line which is not a comment contains two integer numbers, the IDs of vertices c...
This is a follow-up from my previous review on this site. To be clear, the code is stand-alone, and does not depend on the previous review.
As before my goal is to come up with a design for a chess engine in Kotlin that hides implementation details, and that ensures that the implementation canno...
I am learning python and trying to solve different problems i came across this program which is name mashup which is in Get Programming:Learn to code with Python.
problem statement: Write a program that automatically combines two names given by
the user. That’s an open-ended problem statement, s...
