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How can one check to see if a remote file exists using PHP?
...close($ch);
Anyway, you only save the cost of the HTTP transfer, not the TCP connection establishment and closing. And being favicons small, you might not see much improvement.
Caching the result locally seems a good idea if it turns out to be too slow.
HEAD checks the time of the file, and retur...
Can't connect to local MySQL server through socket homebrew
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This helped me to force the mysql client to use the TCP socket, as I'm running an SSH tunnel on localhost to my remote MySQL DB.
– Iow
Oct 18 '19 at 9:38
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How can a web application send push notifications to iOS devices? [closed]
...many complications (apple developer certificates, push packages, low-level TCP connection to APNs).
If you want to implement the push notifications by yourself start with these tutorials:
Push API: Push Notifications on the Open Web
Apple Push Notification system: Configuring Safari Push Notific...
Converting between strings and ArrayBuffers
Is there a commonly accepted technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back.
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How to add a custom HTTP header to every WCF call?
... @Mark, This is a really great answer. Thanks. I've tried this over net.tcp but am using the Headers collection directly (the Http Headers didn't work). I get a Header with my token (Name) in at ServiceHost AfterReceiveRequest event, but not the value (there doesn't even seem to be a property for...
How to enable external request in IIS Express?
...e...
Program %ProgramFiles%\IIS Express\iisexpress.exe
OR Port 8080 TCP
Now when you start iisexpress.exe you should see a message such as
Successfully registered URL "http://*:8080/" for site "hello world" application "/"
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Is it possible to ping a server from Javascript?
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Ping is ICMP, but if there is any open TCP port on the remote server it could be achieved like this:
function ping(host, port, pong) {
var started = new Date().getTime();
var http = new XMLHttpRequest();
http.open("GET", "http://" + host + ":" + port, ...
What is IP address '::1'?
...ser question, because it probably means something is broken with your IPv4 TCP/IP stack.
– Joel Coehoorn
Jan 6 '11 at 3:21
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Difference between Role and GrantedAuthority in Spring Security
...ind and replace" and i am back on track!
– Jørgen Skår Fischer
Jan 29 '16 at 23:20
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This is a...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
... Dec 18 '17 at 15:14
Linus Unnebäck
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answered Jun 12 '13 at 11:20
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