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Check to see if python script is running
...bind('\0' + process_name)
print 'I got the lock'
except socket.error:
print 'lock exists'
sys.exit()
get_lock('running_test')
while True:
time.sleep(3)
It is atomic and avoids the problem of having lock files lying around if your process gets sent a SIGKILL
You can...
self referential struct definition?
...ive things... I would like each cell to contain another cell, but I get an error along the lines of "field 'child' has incomplete type". What's up?
...
Why is “import *” bad?
...ity).
Because you can't use cool tools like pyflakes to statically detect errors in your code.
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What does 'synchronized' mean?
...e
strategy for preventing thread
interference and memory consistency
errors: if an object is visible to
more than one thread, all reads or
writes to that object's variables are
done through synchronized methods.
In a very, very small nutshell: When you have two threads that are reading...
How do you specify that a class property is an integer?
... = guard((a, b) => a + b as integer, myCoolInteger, 10)
you'll get an error like below
Argument of type '10' is not assignable to parameter of type 'integer'.
Type '10' is not assignable to type '{ readonly [TAG]: unique symbol; }'.(2345)
Note that you aren't enforcing the return type here...
Google Maps Android API v2 Authorization failure
... (?) was updated while I was reading Stackoverflow with the authentication error message on log. The app was running with while screen, after a few minutes the map was loaded and no more auth errors. I guess a reinstall would also have done it.
– John
Nov 25 '1...
How to spread django unit tests over multiple files?
...
This is great but I ran into an error where, when running an app level test (python manage.py test appName) the second bit of code would throw an error stating that __path__ was not available. I avoided it by wrapping the second snippet in a if '__path__'...
How to check if a string is a valid date
...
require 'date'
begin
Date.parse("31-02-2010")
rescue ArgumentError
# handle invalid date
end
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Command prompt won't change directory to another drive
...ttempt to change to a directory on a different drive, it would give you an error message saying "ERROR - the file you're trying to access resides on another driver. Specify -d..."
– committedandroider
Oct 22 '19 at 22:21
...
Is it correct to use alt tag for an anchor link?
...e that the src attribute isn’t allowed either.
By validating your HTML, errors like these are reported to you.
Note that the above is for HTML5, which is W3C’s HTML standard from 2014. In 2016, HTML 5.1 became the next HTML standard. Finding the allowed attributes works in the same way. You...