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CORS - How do 'preflight' an httprequest?
...d to detect such a request, and add the "Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN'] header, after detecting that this was a cross-origin XHR.
PHP Code sample:
if (!empty($_SERVER['HTTP_ORIGIN'])) {
// Uh oh, this XHR comes from outer space...
// Use this opportunity to filte...
ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...low is the simple demonstration:
public static ThreadLocal<int> _threadlocal =
new ThreadLocal<int>(() =>
{
return Thread.CurrentThread.ManagedThreadId;
});
public static void Main()
{
new Thread(() =>
{
...
Https Connection Android
...rify the host - dont check for certificate
final static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
/**
* Trust every server - dont check for any certificate
*/
private static void trustAl...
Why is argc not a constant?
...esting... I looked up the prototype in the header, and it has char* const* ___argv there, but the interface actually adheres to const char **. Such confusion. I had confused the precedence of the [] and the * with respect to the const. My apologies.
– Joe Z
...
How to use transactions with dapper.net?
...answered Apr 28 '12 at 13:32
the_joricthe_joric
10.7k33 gold badges3131 silver badges5353 bronze badges
...
“Unknown class in Interface Builder file” error at runtime
...it, and prints the warning.
By default, Objective-C targets will have -all_load -ObjC flags set by default, which will keep all of the symbols. But I had started with a C++ target, and didn't have that. Nevertheless, I found a way around this, which keeps the linker aggressive.
The hack I was or...
what is reverse() in Django
...t's suppose that in your urls.py you have defined this:
url(r'^foo$', some_view, name='url_name'),
In a template you can then refer to this url as:
<!-- django <= 1.4 -->
<a href="{% url url_name %}">link which calls some_view</a>
<!-- django >= 1.5 or with {% load ur...
Why does SIGPIPE exist?
... changing global signal dispositions is to temporarily mask it with pthread_sigmask, perform the write, then perform sigtimedwait (with zero timeout) to consume any pending SIGPIPE signal (which is sent to the calling thread, not the process) before unmasking it again.
I believe the reason SIGPIPE ...
Chrome hangs after certain amount of data transfered - waiting for available socket
...r available socket...
is shown, because you've reached a limit on the ssl_socket_pool either per Host, Proxy or Group.
Here are the maximum number of HTTP connections which you can make with a Chrome browser:
The maximum number of connections per proxy is 32 connections. This can be changed in ...
Append TimeStamp to a File Name
...tring("yyyyMMddHHmmssfff")
or string.Format
string.Format("{0:yyyy-MM-dd_HH-mm-ss-fff}", DateTime.Now);
or Interpolated Strings
$"{DateTime.Now:yyyy-MM-dd_HH-mm-ss-fff}"
There are following custom format specifiers y (year), M (month), d
(day), h (hour 12), H (hour 24), m (minute), s (sec...