JiaChangGit

#include <cxxabi.h>  //abi::__cxa_demangle

#include <iostream>
#include <sstream>
#include <string>
#include <typeinfo>
#include <vector>

template <typename T>
class IOProcessor {

JiaChangGit

#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>

enum class ErrorCode {
  SUCCESS,
  FILE_OPEN_FAILED,
  FILE_WRITE_FAILED,

JiaChangGit

#include <fstream>
#include <iostream>
using namespace std;
int main() {
  ifstream in1;
  in1.open("ifstreamTest1.txt");
  if (in1.fail()) {
    cout << "file opening is failed...\n";
    exit(1);
  }

JiaChangGit

111-cpp_io

Project Tree

cpp_str                  //
├─ copyFile.c            //
├─ copyFile.exe          //
├─ ifstreamTest.cpp      //
├─ ifstreamTest1.txt //

JiaChangGit

Title	Author	Date
檔案管理系統	Jia	24/04/23

000-General

010-Waiting

100-Code

JiaChangGit

#include <stdio.h>

static int copyfile(const char *src_name, const char *tar_name) {
  char buffer[8192];
  size_t read = 0;

  if (!src_name || !tar_name) return -1;

  FILE *src_file = fopen(src_name, "rb");
  if (src_file == NULL) {

JiaChangGit

ulimit -s 81920

JiaChangGit

C/C++ trap

int* p1, p2; 可能以為 p2 也是指標，但事實上並不是

#define pow(a) a * a

展開後會是 x + x * x + x

改成#define pow(a) (a) * (a)

JiaChangGit

#include <algorithm>
#include <iostream>
#include <queue>
#include <sstream>
#include <stack>
#include <string>
#include <vector>

template <typename T>
class IOProcessor {

JiaChangGit

$OutputEncoding = [console]::InputEncoding = [console]::OutputEncoding = [Text.UTF8Encoding]::UTF8