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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...r(std::string &str) {
char *p = const_cast<char *> (str.c_str());
char q[1024];
while (*p != '\0') {
sprintf(q, "%02x, %u, %c", *p, *p, *p);
std::cout << q << std::endl;
p++;
}
}
（十六进制，无符号整形，字符型）
Shift-jis:
0xffffffb1, 4294967217, ｱ
Euc-jp:...
How are cookies passed in the HTTP protocol?
...e
If there is a cookie set, then the browser sends the following in its request header.
Cookie:name=value
See the HTTP Cookie article at Wikipedia for more information.
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How to integrate nodeJS + Socket.IO and PHP?
...re('socket.io')(http);
app.get('/', function(req, res) {
res.sendfile('index.html');
});
io.on('connection', function (socket) {
socket.on( 'new_notification', function( data ) {
console.log(data.title,data.message);
// Now Emit this message to all connected devices
io.sockets.e...
Difference between return and exit in Bash functions
... is executed before the shell terminates.
EDIT:
As per your edit of the question, regarding exit codes, return has nothing to do with exit codes. Exit codes are intended for applications/scripts, not functions. So in this regard, the only keyword that sets the exit code of the script (the one tha...
URL encoding the space character: + or %20?
...orm field names and values are encoded and sent to the server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early version of the general URI percent-encoding rules, with a number of modifications such as newline norm...
How to randomize (shuffle) a JavaScript array?
...original post linked to this)
function shuffle(array) {
var currentIndex = array.length, temporaryValue, randomIndex;
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentI...
Automate ssh-keygen -t rsa so it does not ask for a passphrase
...
On RHEL 6, I got this error: "ssh-keygen: option requires an argument -- N" :(
– Anthony O.
Dec 9 '15 at 15:02
1
...
Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
...ntioned in application_controller, then I can log in and perform any GET requests, but on very first POST request Rails resets the session, which logs me out.
...
Optimizing away a “while(1);” in C++0x
...n), and p is a local variable, whose address has not been taken:
for (p = q; p != 0; p = p -> next) {
++count;
}
for (p = q; p != 0; p = p -> next) {
++count2;
}
Could these two loops be merged and replaced by the following loop?
for (p = q; p != 0; p = p -> next) {
...
How to develop a soft keyboard for Android? [closed]
... More explanation on this: fampennings.nl/maarten/android/09keyboard/index.htm
– TWiStErRob
Sep 9 '14 at 22:51
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