~

c++/file/binary_read_write/read_bin_edge.cpp

+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+int main(){
+  //ifstream in("/home/songxinkai/bin_edges/edges.reddit.fea16.bin", ios::in | ios::binary);
+  //ifstream in("/home/songxinkai/GraphData_1/bin_edges/edges.enzymes.cachesize_10MB_lrd_16wayset.fea_64.bin", ios::in | ios::binary);
+  ifstream in("a.bin", ios::in | ios::binary);
+  int* data = new int[4]; // 0: dst_vid, 1: src_vid, 2: is_cache_miss, 3: is_last_src
+  while(!in.eof()){
+    in.read((char*)data, sizeof(int)*4);
+    //if (data[0] % 1000 != 0) continue;
+    for (int j = 0; j < 4; ++j){
+      cout << data[j] << ", ";
+    }
+    cout << endl;
+  }
+  return 0;
+}

c++/file/binary_read_write/write_binary.py

+#!/usr/bin/python
+import struct
+
+f = open("a.bin", "ab")
+f.write(struct.pack('i', 10))
+f.write(struct.pack('i', 10))
+f.write(struct.pack('i', 10))
+f.write(struct.pack('i', 10))
+f.write(struct.pack('i', 10))
+f.close()

c++/map/main.cpp

+#include <iostream>
+#include <map>
+
+using namespace std;
+
+int main(){
+  return 0;
+}

c++/string/main1.cpp

@@ -7,19 +7,21 @@ using namespace std;
 
 int main(){
   string a("1.bin.finish");
-  string b(".finish");
-  string c("1.bin");
-  vector<string> v;
-  v.push_back(a);
-  v.push_back(b);
-  v.push_back(c);
-  cout << string::npos << endl;
-  cout << a.find(b) << endl;
-  if (string::npos != a.find(b)){
-    cout << a << " find " << b << ", at " << a.find(b) << endl;
-    cout << a.substr(0, a.find(b)) << " + " << b << " = " << a << endl;
-  }
-  vector<string>::iterator it_str = find(v.begin(), v.end(), c);
-  cout << (it_str == v.end()) << ", " << *it_str << endl;
+  string b(".fisnish");
+  cout << (string::npos == a.find(b)) << endl;
+  cout << (string::npos == a.find(".")) << endl;
+  // string c("1.bin");
+  // vector<string> v;
+  // v.push_back(a);
+  // v.push_back(b);
+  // v.push_back(c);
+  // cout << string::npos << endl;
+  // cout << a.find(b) << endl;
+  // if (string::npos != a.find(b)){
+  //   cout << a << " find " << b << ", at " << a.find(b) << endl;
+  //   cout << a.substr(0, a.find(b)) << " + " << b << " = " << a << endl;
+  // }
+  // vector<string>::iterator it_str = find(v.begin(), v.end(), c);
+  // cout << (it_str == v.end()) << ", " << *it_str << endl;
   return 0;
 }