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Reducing Django Memory Usage. Low hanging fruit?
...ping global references to data. That prevents the python garbage collector from releasing the memory.
Don't use mod_python. It loads an interpreter inside apache. If you need to use apache, use mod_wsgi instead. It is not tricky to switch. It is very easy. mod_wsgi is way easier to configure for dj...
Passing functions with arguments to another function in Python?
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You can use the partial function from functools like so.
from functools import partial
def perform(f):
f()
perform(Action1)
perform(partial(Action2, p))
perform(partial(Action3, p, r))
Also works with keywords
perform(partial(Action4, param1=p))
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How do I consume the JSON POST data in an Express application
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This answer is outdated, but the one from @chrisarton is up to date.
– Emil Ingerslev
Jan 11 '16 at 9:30
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How to apply multiple transforms in CSS?
...S rule.
Keep in mind multiple transform one line directives are applied from right to left.
This: transform: scale(1,1.5) rotate(90deg);
and: transform: rotate(90deg) scale(1,1.5);
will not produce the same result:
.orderOne, .orderTwo {
font-family: sans-serif;
font-size: 22px;
c...
On - window.location.hash - Change?
... changes, and trigger the jQuery event.
This completely unbinds your code from needing to understand this support problem, the implementation of a special event of this kind is trivial (to get a simple 98% working version), but why do that when somebody else has already.
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Align button at the bottom of div using CSS
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When using position:absolute; the element will be positioned absolutely from the first positioned parent div, if it can't find one it will position absolutely from the window so you will need to make sure the content div is positioned.
To make the content div positioned, all position values that...
Get the closest number out of an array
I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this:
20 Answers
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CustomErrors mode=“Off”
... exact same problem), here's my answer:
In my case, I cut/pasted the text from the generic error saying in effect if you want to see what's wrong, put
<system.web>
<customErrors mode="Off"/>
</system.web>
So this should have fixed it, but of course not! My problem was that...
How can I read large text files in Python, line by line, without loading it into memory?
...n infile" will load my 5GB of lines in to the memory? and, How can I read from tail?
– Bruno Rocha - rochacbruno
Jun 25 '11 at 2:31
70
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Is there a performance difference between a for loop and a for-each loop?
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From Item 46 in Effective Java by Joshua Bloch :
The for-each loop, introduced in
release 1.5, gets rid of the clutter
and the opportunity for error by
hiding the iterator or index variable
completely. The resulti...