티스토리

More Code
검색하기

블로그 홈

More Code

morecode.tistory.com/m

More Code

구독자
0
방명록 방문하기

주요 글 목록

  • [C++ C# Python Java] String Concatenation // [C++] String Concatenation // VC : suppress error messages about obsolete & deprecated functions#pragma warning(disable : 4996)#define _CRT_SECURE_NO_WARNINGS#define _CRT_SECURE_NO_WARNINGS_GLOBALS #include #include using namespace std; int main(){ // string text0 = "Hello" + "World"; // error string text1 = "Hello" "World"; cout 공감수 0 댓글수 0 2019. 5. 21.
  • mutable immutable [Python] function # immutable def func(x): print("x", hex(id(x)), x) x += 1 print("x", hex(id(x)), x) def main(): a = 1 print("a", hex(id(a)), a) func(a) print("a", hex(id(a)), a) if __name__ == '__main__': main() """ Outputa 0x67298070 1x 0x67298070 1x 0x67298090 2a 0x67298070 1""" # mutable def func(x): print("x", hex(id(x)), x) x.append(3) print("x", hex(id(x)), x) def main(): a = [1, 2] print("a", hex(id(a)),.. 공감수 0 댓글수 0 2019. 5. 21.
  • Python for .NET : Windows.Forms Example 3 # Python for .NET import syssys.path.append("..\\Sharp1\\bin\\Debug") import clrclr.AddReference("Forms1") import Forms1import Systemimport System.Windows.Formsfrom PyQt5.QtWidgets import * class pyForm1(Forms1.Form1): def __init__(self): self.Text = "Python for .NET" self.button1.Click += self.pybutton1_Click self.button2.Click += self.pybutton2_Click def pybutton1_Click(self, sender, e): self... 공감수 0 댓글수 0 2019. 5. 15.
  • Python for .NET : Windows.Forms Example 2 # Python for .NET import syssys.path.append("..\\Frame1\\bin\\Debug") import clrclr.AddReference("Frame1") import Frame1import Systemimport System.Windows.Forms class pyForm1(Frame1.Form1): def __init__(self): self.Text = "Python for .NET" self.button1.Click += self.button1_Click def button1_Click(self, sender, e): self.Button1_Click(sender, e) def main(): myForm1 = pyForm1() System.Windows.Form.. 공감수 0 댓글수 0 2019. 5. 8.
  • Python for .NET : Windows.Forms Example 1 # Python for .NET import clrclr.AddReference("Frame1")import Frame1import System.Windows.Forms def main(): myForm1 = Frame1.Form1() System.Windows.Forms.Application.EnableVisualStyles(); System.Windows.Forms.Application.Run(myForm1) if __name__ == '__main__': main() Python for .NET Referencehttp://pythonnet.github.io/https://github.com/pythonnet/pythonnethttps://github.com/pythonnet/pythonnet/wi.. 공감수 0 댓글수 0 2019. 5. 8.
  • [Python] Video File Renamer # Video File Renamer# Rename video files so that various sets of video files can be sorted properly. import os def main(): path = 'd:\\Down\\z' for root, dirs, files in os.walk(path): step = 1000 / len(files) files.sort() count = 0 for item in files: prefix = "{0:0>4.0f}".format(step * count + step / 3) os.rename(os.path.join(root, item), os.path.join(root, "{0} {1}".format(prefix, item))) count.. 공감수 0 댓글수 0 2019. 4. 25.
  • mutable immutable [Python] list int # mutable immutable def main(): # List is mutable myList = [1, 2, 3] print(hex(id(myList)), myList) myList.append(4) print(hex(id(myList)), myList) # int is immutable myInt = 3 print(hex(id(myInt)), myInt) myInt += 1 print(hex(id(myInt)), myInt) if __name__ == "__main__": main() [Output]0x20fd3e84508 [1, 2, 3]0x20fd3e84508 [1, 2, 3, 4]0x55ce80b0 30x55ce80d0 4 공감수 0 댓글수 0 2019. 4. 23.
  • Basic Structure [Python] __name__, __main__, import # Python1.py import programimport source def main(): print("in Python1.py", __name__) program.main() source.main() if __name__ == "__main__": main() # program.py def main(): print("in program.py", __name__) if __name__ == "__main__": main() # source.py def main(): print("in source.py", __name__) if __name__ == "__main__": main() 공감수 0 댓글수 0 2019. 4. 23.
  • [C# Python Java] is operator, instanceof operator [Python] is operator, is not operatorhttps://www.geeksforgeeks.org/difference-operator-python/ [C#] is operator, as operatorhttps://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/ishttps://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/ashttps://www.geeksforgeeks.org/c-sharp-is-operator-keyword/https://www.geeksforgeeks.org/c-sharp-as-operator-keyword/http.. 공감수 0 댓글수 0 2019. 4. 20.
  • [C# C++ Python] verbatim string, raw string literal [C#] verbatim stringusing System; namespace Sharp1{ class Program { static void Main(string[] args) { Console.WriteLine("c:\next\race\folder\test1.xlsx"); Console.WriteLine(@"c:\next\race\folder\test1.xlsx"); // verbatim string Console.ReadKey(); } }} [C#] interpolated stringhttps://docs.microsoft.com/en-us/dotnet/csharp/language-reference/tokens/interpolated [C#] verbatim stringhttps://docs.mic.. 공감수 0 댓글수 0 2019. 4. 19.
  • Integer to Binary Conversion [Python] # Python 3 print(bin(int(input()))) 공감수 0 댓글수 0 2019. 4. 19.
  • Integer to Binary Conversion [Java] // Java package package1; import java.util.Scanner; public class Program { public static void main(String[] args) { try (Scanner sc = new Scanner(System.in)) { int number = sc.nextInt(); String binary = Integer.toBinaryString(number); System.out.println(binary); } catch (Exception ex) { System.err.println(ex.getMessage()); } }} 공감수 0 댓글수 0 2019. 4. 19.
  • Integer to Binary Conversion [C#] // C# using System; namespace ToBinary{ class Program { static void Main(string[] args) { string input = Console.ReadLine(); int number = Convert.ToInt32(input); string binary = Convert.ToString(number, 2); Console.WriteLine(binary); } }} 공감수 0 댓글수 0 2019. 4. 19.
  • Integer to Binary Conversion [C/C++] // C/C++ // [VC] suppress error messages about obsolete & deprecated functions#pragma warning(disable : 4996)#define _CRT_SECURE_NO_WARNINGS#define _CRT_SECURE_NO_WARNINGS_GLOBALS #include #include #define LENGTH 11 int main(int argc, char **argv){ char buffer[LENGTH]; int number = 0; do { fgets(buffer, LENGTH, stdin); number = atoi(buffer); } while (number < 0); printf("%12s %d\n", "Integer", n.. 공감수 0 댓글수 0 2019. 4. 19.
  • [HackerRank] The Coin Change Problem https://www.hackerrank.com/challenges/coin-change/problem def get_ways(n, c): return [[]] if n == 0 else [[b, *j] for i, b in enumerate(c) if b = coin: for way in get_ways(change - coin, coins[i:]): my_ways.append([coin, *way]) return my_ways n = int(input("Target Change: ").strip())c = list(map(int, input("Coin List: ").strip().split()))c.sort()ways = get_ways(n, c)print("Number of Ways:", len(.. 공감수 0 댓글수 0 2019. 4. 19.
  • [HackerRank] Super Reduced String https://www.hackerrank.com/challenges/reduced-string/problem # Python 3 def reduce_string(s): for i, x in enumerate(s[1:]): if s[i] == x: return reduce_string(s[:i] + s[i + 2:]) return s result = reduce_string(input().strip())print(result) if result != '' else print('Empty String') # Python 3 def reduce_string(s): str_list = list(s) index = 0 while len(str_list) > 1 and index < len(str_list) - 1.. 공감수 0 댓글수 0 2019. 4. 19.
  • [Project Euler] Problem 3: Largest prime factor (incomplete) https://projecteuler.net/problem=3 from typing import List def is_prime(my_target: int, my_primes: List[int]) -> bool: for prime in my_primes: if my_target % prime == 0: return False return True def get_primes(my_target: int) -> List[int]: my_primes: List[int] = [] for number in range(2, my_target + 1): if is_prime(number, my_primes): my_primes.append(number) return my_primes def get_factors(my_.. 공감수 0 댓글수 0 2019. 4. 19.
  • [Project Euler] Problem 2: Even Fibonacci numbers https://projecteuler.net/problem=2 def f(n): return n if n[-1] + n[-2] >= 4000000 else f(n + [n[-1] + n[-2]]) print(sum([i for i in f([1, 2]) if i % 2 == 0])) # Python 3 fibonacci = [1, 2]a = 1b = 2c = 3 while c < 4000000: fibonacci.append(c) a = b b = c c = a + b total = 0 for i in fibonacci: if i % 2 == 0: total += i print(total) # Python 3 fibonacci = [1, 2]total = 2c = 3 while c < 4000000: f.. 공감수 0 댓글수 0 2019. 4. 19.
  • [Project Euler] Problem 1: Multiples of 3 and 5 참고 :https://www.nayuki.io/page/project-euler-solutionshttps://projecteuler.net/problem=1 # Python 3 total: int = 0 for i in range(1, 1000): if i % 3 == 0 or i % 5 == 0: total += i print("total =", total) # Python 3 print(sum([i for i in range(1, 1000) if i % 3 == 0 or i % 5 == 0])) // C/C++ #include #include #include #include int _tmain(INT32 argc, LPTSTR argv[]) { INT32 total = 0; for (INT32 i .. 공감수 0 댓글수 0 2019. 4. 19.
  • [Python] virtualenv or venv import sys # virtualenv if hasattr(sys, 'real_prefix') \ and hasattr(sys, 'base_prefix') \ and hasattr(sys, 'prefix') \ and sys.base_prefix == sys.prefix: print("in virtualenv environment") print("sys.real_prefix", sys.real_prefix) print("sys.base_prefix", sys.base_prefix) print("sys.prefix ", sys.prefix) # venv if not hasattr(sys, 'real_prefix') \ and hasattr(sys, 'base_prefix') \ and hasattr(s.. 공감수 0 댓글수 0 2018. 12. 26.
  • [C# & C++] unsafe keyword로 pointer 사용하는 방법 unsafe keyword를 사용하면 , C/C++에서 사용하는 pointer를 C#에서도 사용할 수 있다. unsafe keyword를 사용하기 위해서 compile할 때 /unsafe option을 주어야한다. compile할 때 /unsafe option을 주려면 Visual Studio에서 아래와 같이 설정해주면 된다. 참고 : /unsafe (C# Compiler Options) To set /unsafe compiler option in the Visual Studio development environmentOpen the project's Properties page. Click the Build property page. Select the Allow Unsafe Code check bo.. 공감수 0 댓글수 0 2018. 7. 21.
  • From C# Call C++ [Hybrid] Mixing Sample 사용환경 : Visual Studio 2017, Windows 10 x64 C#과 C++을 Mixing해서 코딩하는 방법을 알아보자. C++ Class를 C#에서 사용하는 예제를 하나 진행해보자. C++ Class를 만든 후, 그 C++ Class를 사용하는 C++/CLI Class를 만든 다음, C#에서 C++/CLI Class를 사용하는 방식으로 진행하려고 한다. 먼저 Visual Studio에서 “Blank Solution”을 하나 만들자. Solution 이름은 “Hybrid1”으로 하자. Hybrid1 Solution에 “Windows Desktop Wizard”로 Visual C++ Project를 하나 추가한다. Project 이름은 “Native1”으로 하자. Application type.. 공감수 0 댓글수 0 2018. 7. 21.
  • Thread [Java] implements Runnable // [Java] Thread Samplepackage package1; public class Program { public static void main(String[] args) { Thread t1 = new Thread(new A()); Thread t2 = new Thread(new B()); t1.start(); t2.start(); for (int i = 0; i < 10000; i++) { System.out.print("@"); } }} class A implements Runnable { public void run() { for (int i = 0; i < 10000; i++) { System.out.print("."); } }} class B implements Runnable {.. 공감수 0 댓글수 0 2018. 7. 16.
  • Thread [C#] C# 2.0 Style Thread without ThreadStart // C# 2.0 Style Threadusing System;using System.Threading; namespace ThreadSample{ class Program { static void Main(string[] args) { // C# 2.0 Style Thread does not use ThreadStart Thread t2 = new Thread(Work); t2.Start(); for (int count = 0; count < Repetitions; count++) { Console.Write('@'); } } static void Work() { for (int count = 0; count < Repetitions; count++) { Console.Write('.'); } } co.. 공감수 0 댓글수 0 2018. 7. 16.
  • Thread [C#] C# 1.0 Style Thread with ThreadStart // C# 1.0 Style Threadusing System;using System.Threading; namespace ThreadSample{ class Program { static void Main(string[] args) { // C# 1.0 Style Thread uses ThreadStart ThreadStart ts = new ThreadStart(Work); Thread t1 = new Thread(ts); t1.Start(); for (int count = 0; count < Repetitions; count++) { Console.Write('@'); } } static void Work() { for (int count = 0; count < Repetitions; count++.. 공감수 0 댓글수 0 2018. 7. 16.
  • [SQL Server] Enable TCP/IP Protocol & Port Enable SQL Server TCP/IP ProtocolOpen SQL Server Configuration ManagerExpand "SQL Server Network Configuration" and click on "Protocols for MSSQLSERVER"Right click on "TCP/IP" and choose "Enable"Click on "SQL Server Services"Right click on "SQL Server (MSSQLSERVER)" and choose "Restart" Enable TCP/IP Port for SQL Servernetsh advfirewall firewall add rule name=SQLPort dir=in protocol=TCP action=a.. 공감수 0 댓글수 0 2018. 7. 9.
  • [Visual Studio] Dynamic/Static Library Setup Example using MySQL Connector/C++ Building Connector/C++ Applications on Windows with Microsoft Visual Studio Directory Structure From https://dev.mysql.com/downloads/connector/cpp/8.0.htmlDownload mysql-connector-c++-8.0.11-windows-x86-64bit.zip fileExtract to $(SolutionDir)connector folder $(SolutionDir)CppConnector$(SolutionDir)connector\include$(SolutionDir)connector\lib64\vs14 Visual Studio Change the build configuration fr.. 공감수 0 댓글수 0 2018. 7. 9.
  • [C++] Dynamic Memory Allocation - TCHAR *myString // Dynamic Memory Allocation : TCHAR *myString #include #include #include #include int _tmain(){ TCHAR *myString; myString = new TCHAR[8]; //_stprintf(myString, _T("%s"), _T("1234567")); wsprintf(myString, _T("%s"), _T("1234567")); _tprintf(_T("String : %s \n"), myString); _tprintf(_T("Length : %d \n"), _tcslen(myString)); delete[] myString; return 0;} 공감수 0 댓글수 0 2018. 7. 9.
  • [C#] Composite Format String & Interpolated String 아래는 Composite Format String의 간단한 예제이다.string name = "John"; int age = 20; string gender = "male"; string phone = "012-3456-7890"; Console.WriteLine("First = {0}, Second = {1}, Third = {2}, Fourth = {3}", name, age, gender, phone);이 예제를 보면 {0} {1} {2} {3} 에 무엇이 대입될 것인지 하나씩 찾아보아야 Console.WriteLine 출력문이 이해가 된다. Console.WriteLine 출력문을 Interpolated String으로 바꾸면 아래와 같이 된다.Console.WriteLine($"First = {.. 공감수 0 댓글수 0 2018. 7. 9.
  • [C#] iterating enum type enum type을 iteration하려면 어떻게 해야할까? 예를 들어서 아래와 같이 일주일의 요일이 담긴 emun type인 Days가 있다고 하자.enum Days { Sun, Mon, Tue, Wed, Thu, Fri, Sat }; Days를 iteration하여 아래와 같이 출력하려고 한다. Sun Mon Tue Wed Thu Fri Sat어떻게 해야할까? Enum.GetValues()를 이용하여, 아래와 같이 해주면 된다.Type type = typeof(Days); Array array = Enum.GetValues(type); foreach (var value in array) { Console.WriteLine(value); } Environment.SpecialFolder enum typ.. 공감수 0 댓글수 0 2018. 7. 9.
    문의안내
    • 티스토리
    • 로그인
    • 고객센터

    티스토리는 카카오에서 사랑을 담아 만듭니다.

    © Kakao Corp.