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C++ Structure Initialization
...er. And dot notation is way safer if you happen to add the same type (like char*) as one of the other members above or below in the structure, because there's no risk of swapping them.
– Gui13
Nov 16 '16 at 9:21
...
How do I grant myself admin access to a local SQL Server instance?
...he "SQL Server Configuration Manager", right click the server instance and select properties, go to the tab "Startup Parameters" and add -m.
– maets
May 5 '15 at 13:32
...
How to make my custom type to work with “range-based for loops”?
...ample of why this is useful is that your end iterator can read "check your char* to see if it points to '0'" when == with a char*. This allows a C++ range-for expression to generate optimal code when iterating over a null-terminated char* buffer.
struct null_sentinal_t {
template<class Rhs,
...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...:socket(),connect()，返回连接的sockfd
int create_io_channel(const char *ipaddr, int port);
2. 搭建TCP Server
下面以伪代码方式给出，错误处理省略
int main(int argc, char *argv[])
{
// 初始化
…
// event初始化
event_init();
init_server(por...
What is the meaning of “__attribute__((packed, aligned(4))) ”
...es in some cases. Consider the following structure:
typedef struct
{
char Data1;
int Data2;
unsigned short Data3;
char Data4;
}sSampleStruct;
sizeof(sSampleStruct) will be 12 rather than 8. Because of structure padding. By default, In X86, structures will be padded to 4-byte ...
google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...
using namespace std;
using ::testing::Return;
int main(int argc, char** argv) {
::testing::InitGoogleMock(&argc, argv);
string value = "Hello World!";
MockFoo mockFoo;
EXPECT_CALL(mockFoo, getArbitraryString()).Times(1).
WillOnce(Retu...
Parsing a comma-delimited std::string [duplicate]
...
Input one number at a time, and check whether the following character is ,. If so, discard it.
#include <vector>
#include <string>
#include <sstream>
#include <iostream>
int main()
{
std::string str = "1,2,3,4,5,6";
std::vector<int> vect;
...
warning: implicit declaration of function
...er has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int x, char *p);
sha...
Should I initialize variable within constructor or outside constructor [duplicate]
... in some case initializing in constructor makes sense.
class String
{
char[] arr/*=char [20]*/; //Here initializing char[] over here will not make sense.
String()
{
this.arr=new char[0];
}
String(char[] arr)
{
this.arr=arr;
}
}
So depending on the situa...
Set a persistent environment variable from cmd.exe
... value)
Dim wu
Set wu = wsh.Environment(typey)
wui = wu.Item(vary)
Select Case action
Case "ls"
WScript.Echo wui
Case "del"
On Error Resume Next
wu.remove(vary)
On Error Goto 0
Case "set"
wu.Item(vary) = value
Case "add"
If wui = "" Then
...