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How to throw a C++ exception
...e the example (of what NOT to do):
#include <iostream>
#include <string>
using namespace std;
class MyException : public exception
{
public:
MyException(const string& msg) : m_msg(msg)
{
cout << "MyException::MyException - set m_msg to:" << m_msg <&l...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...q的头文件
#include <zmq.h>
#include "stdio.h"
int main(int argc, char * argv[])
{
void * pCtx = NULL;
void * pSock = NULL;
const char * pAddr = "tcp://*:7766";
//创建context，zmq的socket 需要在context上进行创建
if((pCtx = zmq_ctx_new()) == NULL)
...
TypeError: 'str' does not support the buffer interface
...
If you use Python3x then string is not the same type as for Python 2.x, you must cast it to bytes (encode it).
plaintext = input("Please enter the text you want to compress")
filename = input("Please enter the desired filename")
with gzip.open(filen...
How do I use Java to read from a file that is actively being written to?
...ed in the console.
public class FileReader {
public static void main(String args[]) throws Exception {
if(args.length>0){
File file = new File(args[0]);
System.out.println(file.getAbsolutePath());
if(file.exists() && file.canRead()){
...
Set icon for Android application
... such:
<application android:icon="@drawable/icon_name" android:label="@string/app_name" >
....
</application>
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Efficient way to return a std::vector in c++
...
vector<string> getseq(char * db_file)
And if you want to print it on main() you should do it in a loop.
int main() {
vector<string> str_vec = getseq(argv[1]);
for(vector<string>::iterator it = str_vec.beg...
String vs. StringBuilder
I understand the difference between String and StringBuilder ( StringBuilder being mutable) but is there a large performance difference between the two?
...
Command-line Unix ASCII-based charting / plotting tool
Is there a good command-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph.
...
Should I inherit from std::exception?
...s no way to pass a message to std::exception. std::runtime_error accepts a string and is derived from std::exception.
– Martin York
Nov 3 '09 at 19:59
14
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Python int to binary string?
...re any canned Python methods to convert an Integer (or Long) into a binary string in Python?
35 Answers
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