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Has anyone ever got a remote JMX JConsole to work?
It seems that I've never got this to work in the past. Currently, I KNOW it doesn't work.
20 Answers
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How do PHP sessions work? (not “how are they used?”)
...ow Does PHP Session Works
Firstly PHP creates a 16-byte long unique identifier number (stored as a string of 32 hexadecimal characters, e.g a86b10aeb5cd56434f8691799b1d9360) for an individual session.
PHPSESSID cookie passes that unique identification number to users' browser to save that number.
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Python super() raises TypeError
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@tsunami if you want to get at the superclass, do "X.a(self)"
– James Brady
Jan 28 '09 at 20:54
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Algorithm for creating a school timetable
I've been wondering if there are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teacher...
How to change language settings in R
...force US-english setting regardless of the system
setting. If you don't know what Terminal is you can use this R command
instead:
system("defaults write org.R-project.R force.LANG en_US.UTF-8")
but do not forget to quit R and start R.app again afterwards. Please
note that you must alw...
How to convert string to boolean php
...he documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended ...
How to change the docker image installation directory?
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I comment here to let people know which version could use this, after github.com/docker/docker.github.io/pull/5978 release, It change officail website.
– zhongjiajie
Mar 27 '19 at 1:17
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What does it mean for a data structure to be “intrusive”?
...sive data structure would be an ordered list of elements that are mutable. If the element changes, the list needs to be reordered, so the list object has to intrude on the privacy of the elements in order to get their cooperation. ie. the element has to know about the list it is in, and inform it of...
Android: How can I validate EditText input?
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you're welcome! :) now that you're validating it, could you share how are you going to inform the user of the validation failure? I'm currently looking for best methods for the same.
– Niks
May 19 '10 at 6...
sed in-place flag that works both on Mac (BSD) and Linux
...oved from homebrew-core, more info in this answer. when installing gnu-sed now, the installation instructions specify that you need to add gnubin to your PATH: PATH="/usr/local/opt/gnu-sed/libexec/gnubin:$PATH"
– pgericson
Feb 13 '19 at 15:37
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