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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
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I don't know why it returns a node list instead of an array, maybe because like getElementsByTagName it will update the result when you update the DOM. Anyway a very simple method to transform that result in a simple array is:
Array....
Is a Java hashmap search really O(1)?
...hm! We can generalzie this to
pcollision x k = (n / capacity)k
And now we can disregard some arbitrary number of collisions and end up with vanishingly tiny likelihood of more collisions than we are accounting for. You could get the probability to an arbitrarily tiny level by choosing the c...
gitignore without binary files
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Now, this is kind of a different approach.
– René Nyffenegger
Jan 18 '18 at 16:45
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MySQL error 2006: mysql server has gone away
... under [mysqld] made the trick.
add a line
max_allowed_packet=500M
now restart the MySQL service once you are done.
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How to force uninstallation of windows service
... show.
taskkill /pid <SERVICE_PID> /f
Where /f is to force stop.
Now you can install or launch your service.
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Checking if a variable is defined?
...correct syntax for the above statement is:
if (defined?(var)).nil? # will now return true or false
print "var is not defined\n".color(:red)
else
print "var is defined\n".color(:green)
end
substituting (var) with your variable. This syntax will return a true/false value for evaluation in the if ...
np.mean() vs np.average() in Python NumPy?
... already noted, there's another extremely important difference that I just now discovered the hard way: unlike np.mean, np.average doesn't allow the dtype keyword, which is essential for getting correct results in some cases. I have a very large single-precision array that is accessed from an h5 f...
Mechanisms for tracking DB schema changes [closed]
...t migrations and have implemented their own language-specific versions. I know of Ruckusing, a PHP migrations system that is modelled after Rails' migrations; it might be what you're looking for.
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WCF chokes on properties with no “set ”. Any workaround?
...ell the WCF Serializer to ignore it. I'll see what I can find and let you know.,
– Russell
Feb 24 '10 at 2:34
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overlay opaque div over youtube iframe
... @meder thanks for the link and solution! will try it out right now, but the flash is still click-able though :)
– Timo Huovinen
Sep 29 '10 at 10:22
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