大约有 870 项符合查询结果（耗时：0.0148秒） [XML]
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...
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 "/"
...
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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Using port number in Windows host file
...80 is not occupied by another service.
You can check with netstat -a -n -p TCP | grep "LISTENING"
added the following network configuration with netsh command utility
netsh interface portproxy add v4tov4 listenport=80 listenaddress=127.65.43.21 connectport=8081 connectaddress=127.0.0.1
I can no...
Connect to Amazon EC2 file directory using Filezilla and SFTP
...rityGroups -> SSH -> Inbound rules -> Edit -> Add Rule (
SSH|TCP|22|My IP(it's get ip automatically | name for rule) -> Save
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
... driver making it use the UNIX socket to connect to MySQL instead of the a TCP socket.
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