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Structure padding and packing
...r alignment is the size to which each member is rounded off
padding is the extra space added to match the alignment
In mystruct_A, assuming a default alignment of 4, each member is aligned on a multiple of 4 bytes. Since the size of char is 1, the padding for a and c is 4 - 1 = 3 bytes while no pa...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解TCP状态转移要点TCP协议规定，对于已经建立的连接，网络双方要进行四次握手才能成功断开连接，如果缺少了其中某个步骤，将会使连接处于假死 TCP状态转移要点
TCP协议...
server { # 我们都知道（我们都应该知道），443是 https 的默认端口 list...
...nbsp; # 我们都知道（我们都应该知道），443是 https 的默认端口
listen 443 ssl;
server_name www.your-domain.com;
# 你要有证书，才能 https，免费申请一个吧，七牛云，阿里云...
Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
...用select()函数来进行指定时间的阻塞int send( SOCKET s, const char FAR *buf, int len, int flags ); 不论是客户还是服务器应用程序都用send函数来向TCP连接的...int send( SOCKET s, const char FAR *buf, int len, int flags );
不论是客户还是服务器应用程序都...
Open Redis port for remote connections
...
in config file I added string bind 0.0.0.0 after string bind 127.0.0.1. Restarted redis. And now can connect remotly.
– Maxim Yefremov
Sep 30 '13 at 10:08
...
Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...
...<< EOF #include <netdb.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #define CANARY"in_the_coal_mine" struct { char buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffer", CANARY }; int main(void) { struct hostent resbuf; struct hostent *result; int herrno;...
Best practices/performance: mixing StringBuilder.append with String.concat
...m trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this
...
unsigned int vs. size_t
...ead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
...
How to send password securely over HTTP?
...nstructed as follows:
The username and password are combined into a string separated by a
colon, e.g.: username:password
The resulting string is encoded using
the RFC2045-MIME variant of Base64, except not limited to 76
char/line.
The authorization method and a space i.e. "Basic ...
How to write a scalable Tcp/Ip based server
...n.ReceiveBuffer.IndexOf('\n', index)) != -1)
{
string s = connection.ReceiveBuffer.GetString(start, index - start - 1);
s = s.Backspace();
LineReceivedEventArgs args = new LineReceivedEventArgs(connection, s);
Delegate[] de...