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How do I get elapsed time in milliseconds in Ruby?
... yes, but giving just "Time.now" is inaccurate and does not answer the question precisely.
– LowFieldTheory
Nov 8 '19 at 14:46
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What is Angular.noop used for?
...swered Mar 12 '14 at 10:22
tomaoqtomaoq
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
二维码的生成细节及原理二维码又称QR Code，QR全称Quick Response，是一个近几年来移动设备上超流行的一种编码方式，它比传统的Bar Code条形码能存更多的信息，...二维码又称QR Code，QR全称Quick Response，是一个近几年来移动设备上超...
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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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...
Get JSON object from URL
...json);
echo $obj->access_token;
For this to work, file_get_contents requires that allow_url_fopen is enabled. This can be done at runtime by including:
ini_set("allow_url_fopen", 1);
You can also use curl to get the url. To use curl, you can use the example found here:
$ch = curl_init();
//...
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) {
...
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.
...