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Total memory used by Python process?
... a useful solution that works for various operating systems, including Linux, Windows 7, etc.:
import os
import psutil
process = psutil.Process(os.getpid())
print(process.memory_info().rss) # in bytes
On my current Python 2.7 install with psutil 5.6.3, the last line should be
print(process.m...
Approximate cost to access various caches and main memory?
Can anyone give me the approximate time (in nanoseconds) to access L1, L2 and L3 caches, as well as main memory on Intel i7 processors?
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...from it:
class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = models.DecimalField()
class Meta:
abstract = True
class Place(AbstractPlace):
pass
class LongNamedRestaurant(AbstractPlace):
name = models.CharField(max_length=255)
food_ty...
What regular expression will match valid international phone numbers?
...1234 (UK) is also perfectly valid if written 0044 8984 1234 which this regexp (and on other answers as well) does not support.
– Xeroxoid
Aug 11 '15 at 15:29
4
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What's the difference between “mod” and “remainder”?
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There is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
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git merge: apply changes to code that moved to a different file
...ork to match the target file organization.
Say that you modified original.txt on your branch (the local branch), but on the master branch, original.txt has been copied to another one, say copy.txt.
This copy has been done in a commit that we name commit CP.
You want to apply all your local changes, ...
Java Reflection: How to get the name of a variable?
...Java Reflection, is it possible to get the name of a local variable? For example, if I have this:
8 Answers
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Set CSS property in Javascript?
...var element = document.createElement('select');
element.style.width = "100px";
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What is a good use case for static import of methods?
...itance". In this case, would you have been tempted to have BusinessObject extend some.package.DA? If so, static imports may be a cleaner way of handling this. If you never would have dreamed of extending some.package.DA, then this is probably a poor use of static imports. Don't use it just to save a...
tag vs tag
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In HTML 4, the type attribute is required. In my experience, all
browsers will default to text/javascript if it is absent, but that
behaviour is not defined anywhere. While you can in theory leave it
out and assume it will be interpreted as JavaScript, it's invalid
H...