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Regular expression to match DNS hostname or IP Address?
... can be found here)
– new123456
Feb 27 '11 at 19:28
32
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Getting MAC Address
...t!
– deinonychusaur
Feb 1 '13 at 11:27
28
hex(mac) to get the familiar hex format of the mac
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What is the difference between 127.0.0.1 and localhost
...you still have to do an actual lookup of localhost somewhere.
If you use 127.0.0.1, then (intelligent) software will just turn that directly into an IP address and use it. Some implementations of gethostbyname will detect the dotted format (and presumably the equivalent IPv6 format) and not do a lo...
Can two applications listen to the same port?
...
127
Yes (for TCP) you can have two programs listen on the same socket, if the programs are designed...
Datatype for storing ip address in SQL Server
What datatype should I choose for storing an IP Address in a SQL Server?
11 Answers
11...
Heroku/GoDaddy: send naked domain to www [closed]
...d I do this correctly??
– tx291
Feb 27 '17 at 17:10
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Remote JMX connection
...eful.
– Reza Ameri
Apr 28 '14 at 10:27
I have two questions here - 1) What if one wants to use JMXMP rather than JMX. ...
Increasing the maximum number of TCP/IP connections in Linux
...g used once).
Usual system defaults are:
net.ipv4.ip_local_port_range = 32768 61000
net.ipv4.tcp_fin_timeout = 60
This basically means your system cannot consistently guarantee more than (61000 - 32768) / 60 = 470 sockets per second. If you are not happy with that, you could begin with increas...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...ou can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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django-debug-toolbar not showing up
... it's True.
If it's still not working, try adding '127.0.0.1' to INTERNAL_IPS as well.
UPDATE
This is a last-ditch-effort move, you shouldn't have to do this, but it will clearly show if there's merely some configuration issue or whether there's some larger issue.
Add the following to settings.p...