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Reloading module giving NameError: name 'reload' is not defined
...always. To be sure, I think the valid use cases for writing reload into a script are very rare indeed, and those employing that sort of dark art are unlikely to be reading this comment. However, if you are developing a module and using an IPython console to test it interactively, then reload can b...
How to validate IP address in Python? [duplicate]
...regular expression - Patrick’s playground blog
test-ipv6-regex.pl - Perl script with tons of test-cases. It seems my regex fails on a few of those tests.
Edit3:
Finally managed to write a pattern that passes all tests, and that I am also happy with.
...
Site does not exist error for a2ensite
...returns:
Error: example.com does not exist
a2ensite is simply a Perl script that only works with filenames ending .conf
Therefore, I have to rename my setting file for example.com to example.com.conf as might be achieved as follows:
mv /etc/apache2/sites-available/example.com /etc/apache2...
How can I make PHP display the error instead of giving me 500 Internal Server Error [duplicate]
...ese settings (except display_startup_errors) at the very beginning of your script to set them at runtime (though you may not catch all errors this way):
error_reporting(E_ALL);
ini_set('display_errors', 'On');
After that, restart server.
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How do I update Node.js?
...
Use Node Version Manager (NVM)
It's a Bash script that lets you download and manage different versions of node. Full source code is here.
There is a separate project for nvm for Windows: github.com/coreybutler/nvm-windows
Below are the full steps to use NVM for mult...
MYSQL OR vs IN performance
...give their "opinion"': Providing performance figures without including the scripts, tables and indexes used to obtain those figures makes them unverifiable. As such, the figures are as good as an "opinion".
– Disillusioned
Dec 17 '16 at 10:48
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python multithreading wait till all threads finished
...
You need to use join method of Thread object in the end of the script.
t1 = Thread(target=call_script, args=(scriptA + argumentsA))
t2 = Thread(target=call_script, args=(scriptA + argumentsB))
t3 = Thread(target=call_script, args=(scriptA + argumentsC))
t1.start()
t2.start()
t3.start()...
AngularJS : ng-model binding not updating when changed with jQuery
... It has little to do with angular, and a lot to do with how javascript works. When you assign the scope variable to an object, you are assigning it by reference, as opposed to by value as done when a var is set equal to a primitive value. I talked about about it in my post here. stackover...
How can I exclude all “permission denied” messages from “find”?
...on denied' >&3; } 3>&2 2>&1
In short: Custom file descriptor 3 is used to temporarily swap stdout (1) and stderr (2), so that error messages alone can be piped to grep via stdout.
Without these redirections, both data (file paths) and error messages would be piped to grep via...
Calculating distance between two points, using latitude longitude?
...
Here is a page with javascript examples for various spherical calculations. The very first one on the page should give you what you need.
http://www.movable-type.co.uk/scripts/latlong.html
Here is the Javascript code
var R = 6371; // km
var dLat ...