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Detect if Android device has Internet connection
...essarily need to make a full HTTP connection. You could try just opening a TCP connection to a known host and if it succeeds you have internet connectivity.
public boolean hostAvailable(String host, int port) {
try (Socket socket = new Socket()) {
socket.connect(new InetSocketAddress(host, po...
How to serve an image using nodejs
...meone doesn't want to rely on anyone to get the job done then at least raw TCP sockets should be used instead - which I do in one of my examples below.
A more serious problem is that all of the answers here that use the http module are broken. They introduce race conditions, insecure path resolutio...
Resetting a setTimeout
...
269
You can store a reference to that timeout, and then call clearTimeout on that reference.
// i...
Make sure only a single instance of a program is running
...r it to the solution above because it doesn't require a specially reserved TCP port.
try:
import socket
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
## Create an abstract socket, by prefixing it with null.
s.bind( '\0postconnect_gateway_notify_lock')
except socket.error ...
Python Remove last 3 characters of a string
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ghostdog74ghostdog74
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C# XML Documentation Website Link
...ill work in documentation tools like Sandcastle.
– Snæbjørn
Aug 27 '15 at 9:31
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Automatic HTTPS connection/redirect with node.js/express
...node doesn't have to run as root:
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 3000
All together, this works exactly as I wanted it to.
To prevent theft of cookies over HTTP, see thi...
dropping infinite values from dataframes in pandas?
... Use use_inf_as_na instead. Add to/update answer?
– Håkon T.
Jul 25 '19 at 7:14
1
This one is a ...
Print second last column/field in awk
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ghostdog74ghostdog74
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Possible reasons for timeout when trying to access EC2 instance
...in the port range, your local IP/32 in the source field, and leave 'custom tcp rule' in the dropdown.
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