kittisak-phetrungnapha

// Two pointers: one input, opposite ends

public int fn(int[] arr) {
    int left = 0;
    int right = arr.length - 1;
    int ans = 0;

    while (left < right) {
        // do some logic here with left and right
        if (CONDITION) {

kittisak-phetrungnapha

import Foundation
import Alamofire

protocol NetworkSession: class {
    func request<T: Decodable>(router: Router, decoder: JSONDecoder, completion: @escaping (Result<T, Error>) -> Void)
}

final class APIManager: NetworkSession {
    
    static let shared = APIManager()

kittisak-phetrungnapha

const store = require('google-play-scraper');

store.reviews({
  appId: 'com.facebook.katana',
  page: 1,
  sort: gplay.sort.RECENT
}).then(console.log, console.log);

kittisak-phetrungnapha

import pandas as pd
import numpy as np
import json
import nltk
import string
import re
import tensorflow as tf

kittisak-phetrungnapha

import pandas as pd
import numpy as np
import json
import spacy
import nltk
import string
import re

kittisak-phetrungnapha

appIdCondition = df['appId'].notnull()
dateCondition = df['date'].str.len() == 17
df = df[np.logical_and(appIdCondition, dateCondition)][['appId', 'date', 'dataSource']]

print(df)
print(df.count())

# Result
                                appId               date        dataSource
6                  #10_Perfectly Clear  26:07:13:08:31:49  PlayStore_Random

kittisak-phetrungnapha

def model_cv(splits, X, y, pipeline, description, category):
    print(description)
    print()
    
    kfold = StratifiedKFold(n_splits=splits, shuffle=True, random_state=42)
    reports = []
    accuracy = []
    
    for train, test in kfold.split(X, y):
        model_fit = pipeline.fit(X[train], y[train])

kittisak-phetrungnapha

class NetworkTest: XCTestCase {

    func testGetContacts() {
        let expectation = self.expectation(description: "contacts")
        
        var contacts: [Contact]?
        Network.shared.request(router: Router.getContacts) { (result: Result<[Contact]>) in
            switch result {
            case .success(let contactList):
                contacts = contactList

kittisak-phetrungnapha

class Network {
    static let shared = Network()
    
    private let config: URLSessionConfiguration
    private let session: URLSession
    
    private init() {
        config = URLSessionConfiguration.default
        session = URLSession(configuration: config)
    }

kittisak-phetrungnapha

enum Router {
    case getContacts
    case getContact(id: Int)
    case createContact(body: [String: Any])
    case updateContact(id: Int, body: [String: Any])
    
    private static let baseURLString = "YOUR_BASE_URL_STRING"
    
    private enum HTTPMethod {
        case get