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How to check if there exists a process with a given pid in Python?
... print("a process with pid %d does not exist" % pid)
For reference:
https://pypi.python.org/pypi/psutil
https://github.com/giampaolo/psutil
http://pythonhosted.org/psutil/#psutil.pid_exists
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Connect Java to a MySQL database
...attern for the DB connection is a bad approach. See among other questions: http://stackoverflow.com/q/9428573/. This is a #1 starters mistake.
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JQuery .on() method with multiple event handlers to one selector
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@Override is not allowed when implementing interface method
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How do I pass a variable by reference?
...or pass-by-reference - it is call-by-object. See this, by Fredrik Lundh:
http://effbot.org/zone/call-by-object.htm
Here is a significant quote:
"...variables [names] are not objects; they cannot be denoted by other variables or referred to by objects."
In your example, when the Change metho...
Getting MAC Address
I need a cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing ...
Socket.IO - how do I get a list of connected sockets/clients?
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They dropped nearly everything in 1.0 as it's a complete rewrite. But as 1.0 has been unreleased for years. In 1.0 you have to use the connected object of the namespace.
– 3rdEden
Apr 8 '14 at 13:17
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How can I see normal print output created during pytest run?
...as usual and display it when tests pass as well as fail. See stackoverflow.com/a/59156707/369977
– pR0Ps
Apr 7 at 12:43
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jQuery AJAX cross domain
.... Setting it to * will accept cross-domain AJAX requests from any domain. (https://developer.mozilla.org/en/http_access_control)
The method to do this will vary from language to language, of course. Here it is in Rails:
class HelloController < ApplicationController
def say_hello
headers['...
Convert a Scala list to a tuple?
...ut the "length" of a tuple must be encoded in its type, and hence known at compile time. For example, (1,'a',true) has the type (Int, Char, Boolean), which is sugar for Tuple3[Int, Char, Boolean]. The reason tuples have this restriction is that they need to be able to handle a non-homogeneous types....