TechMaster

/**
 * Created by techmaster on 2/8/17.
 */

/***
 * Calculate factorial of n
 * @param n {Number} n must be integer and greater than zero
 */
function factorial(n) {
  if (isNaN(n)) {

TechMaster

-(void) printString: (NSString*) msg
         onComplete: (void (^)(void)) complete{
    NSLog(@"%@", msg);
    complete();
}

-(void) demoRecursiveBlock
{
    __block int index = 0;
    NSArray* array = @[@"ABC", @"DEF", @"MNP"];

TechMaster

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        self.addBar()
    }
    
    func addBar() {

TechMaster

//
//  ViewController.swift
//  DisplayAlert
//
//  Created by cuong on 6/30/17.
//  Copyright © 2017 Techmaster. All rights reserved.
//

import UIKit

TechMaster

import UIKit

class ViewController: UIViewController {

    override func loadView() {
        print("loadView")
    }
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.

TechMaster

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var txtField: UITextField!
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

TechMaster

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int checkHopQuy(char* string);

int main()
{
    char string1[] = "a[b]c";
    char string2[] = "} abc {";
    char string3[] = "<ok string [good]>";

TechMaster

#include <iostream>
#include <vector>

using namespace std;
#define CATCH_CONFIG_MAIN  // This tells Catch to provide a main() - only do this in one cpp file
#include "catch.hpp"
vector<int> separateOddEven(vector<int> arr) {
    auto left = arr.begin();
    auto right = arr.end() - 1;

TechMaster

#include <iostream>
#include <vector>

using namespace std;
/*
Chuyển số chẵn về bên trái, số lẻ về bên phải
http://algorithms.tutorialhorizon.com/separate-even-and-odd-integers-in-a-given-array/
int [] arrA = {1,2,3,4,6,8,7,12};
Output: [12, 2, 8, 4, 6, 3, 7, 1]
*/

TechMaster

#include <iostream>
void printBinary(int n) {
    int k;
    char *str = (char*) malloc(n * sizeof(char));
    memset(str,'0', n); //set str = '00...00'
    printf("%s\n", str); //print base string
    while (1) {
        k = n - 1; //Tinh tu ky tu cuoi
        while (k >=0) {
            if (str[k] == '0') {