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deciding among subprocess, multiprocessing, and thread in Python?
...ngle instance for co-ordinating your workers and marshaling data (pickled, JSON, BSON, or YAML) among them.
Of course as you start to build a larger scale and more sophisticated solution around Redis you are re-implementing many of the features that have already been solved using, Celery, Apache Spa...
How to change the port of Tomcat from 8080 to 80?
...I use the following commands:
sudo /sbin/iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080
sudo /sbin/service iptables save
http://www.excelsior-usa.com/articles/tomcat-amazon-ec2-advanced.html#port80
...
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
...ost" the socket connector is used, but when you connect to "127.0.0.1" the TCP/IP connector is used. You could try using "127.0.0.1" if the socket connector is not enabled/working.
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Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...doesn't have very many standards defined. You can send and receive data as JSON, XML or even plain text. It's light weighted compared to SOAP.
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Websocket API to replace REST API?
...
The only problem I can using TCP (WebSockets) as your main web content delivery strategy is that there is very little reading material out there about how to design your website architecture and infrastructure using TCP.
So you can't learn from other pe...
Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...ill connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain sockets.
Your OS supports Unix domain sockets, but PostgreSQL's Unix socket that psql needs either doesn't exist or is in a different location than it expects.
Sp...
Repairing Postgresql after upgrading to OSX 10.7 Lion
...ful with this: This setting changes the access from the domain socket to a TCP connection. While it probably works, you might lose a bit of performance and usable ports on your machine which can be a problem depending on your setup. The solution provided by John is correct.
– p...
What is a “callback” in C and how are they implemented?
...ack is invoked.
In the following program we create a socket to listen for TCP connection requests and when a request is received, the function doing the listening then invokes the callback function provided. This simple application can be exercised by running it in one window while using the telnet...
Format of the initialization string does not conform to specification starting at index 0
...verAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
Specifying TCP port
Server=myServerAddress;Port=1234;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
Oracle
Using TNS
Data Source=TORCL;User Id=myUsername;Password=myPassword;
Using integrated security
Data Source=TORCL;Integ...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...o I need to allow port 3306 in iptables:
>iptables -A INPUT -i eth0 -p tcp -m tcp --dport 3306 -j ACCEPT
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