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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...cSelect(sock, m_hWnd, WM_NETWORK, FD_CONNECT | FD_READ | FD_CLOSE)==SOCKET_ERROR){
MessageBox("注册网络事件失败！");
closesocket(sock);
WSACleanup();
}
msg.Format("Connecting to %s:%d/n",inet_ntoa(serverAddr.sin_addr), ntohs(serverAddr.sin_port));
m_allmsg.SetSel(32767,...
What does Redis do when it runs out of memory?
... or if the policy is
# set to 'noeviction', Redis will start to reply with errors to commands
# that would use more memory, like SET, LPUSH, and so on, and will continue
# to reply to read-only commands like GET.
#
# This option is usually useful when using Redis as an LRU cache, or to set
# a hard ...
How do I implement basic “Long Polling”?
...ch sends a simple string after 2-10 seconds. 1 in 3 chance of returning an error 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found");
die();
}
/* Send a string after a random number ...
How can I write to the console in PHP?
...r script is run by Apache or manually on the command line. But you can use error_log for logging and various I/O streams can be written to with fwrite.
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How can I send mail from an iPhone application
... didFinishWithResult:(MFMailComposeResult)result
error:(NSError*)error;
{
if (result == MFMailComposeResultSent) {
NSLog(@"It's away!");
}
[self dismissModalViewControllerAnimated:YES];
}
Remember to check if the device is configured for sending email:
if ([MFM...
Constant pointer vs Pointer to constant [duplicate]
...pointer
constant_pointer.c: In function ‘main’:
constant_pointer.c:13: error: increment of read-only variable ‘ptr’
Hence we see very clearly above that compiler complains that we cannot changes the address held by a constant pointer.
Pointer to Constants
#include<stdio.h>
int mai...
In Python, how do I indicate I'm overriding a method?
...'hello kitty!'
and if you do a faulty version it will raise an assertion error during class loading:
class ConcreteFaultyImplementer(MySuperInterface):
@overrides(MySuperInterface)
def your_method(self):
print 'bye bye!'
>> AssertionError!!!!!!!
...
An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode
...
For those who prefer fixing errors over masking symptoms, I've posted an alternative answer. Concerning NuGet packages, why are we still targeting IIS 6/Classic?
– Jeremy Cook
Aug 20 '14 at 18:26
...
Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project
... your Linker is correct but your lib directory is set incorrectly the same error may come up. Try looking in Configuration Properties -> VC++ directories -> Library Directories to see if you set the library correctly. Sometimes the lib folder consists of a x86 and a x64 folder. You have to set...
Mock functions in Go
...r interface
type MessageSender interface {
SendMessage(message string) error
}
// This one is the "object" that our users will call to use this package functionalities
type API struct {
baseURL string
endpoint string
}
// Here we make API implement implicitly the URI interface
func (a...