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JavaScript dependency management: npm vs. bower vs. volo [closed]
...ill not used it for more than 5 minutes in years. Don't know about it, but from what I can see it does include some build tool, which is very familiar to Grunt users.
npm
Yes, npm stands for Node Package Manager. But nowadays you can use it for everything; people are no longer only npm installing ...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...
Nate C was close, but not quite.
From the docs:
You can evaluate a QuerySet in the following ways:
Iteration. A QuerySet is iterable, and it executes its database query the first time you iterate over it. For example, this will print the headline...
How can I use threading in Python?
... simple multithreading with Python with map and pool.
The code below comes from an article/blog post that you should definitely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code:
from ...
How do I convert seconds to hours, minutes and seconds?
...ossible to use time.strftime, which gives more control over formatting:
from time import strftime
from time import gmtime
strftime("%H:%M:%S", gmtime(666))
'00:11:06'
strftime("%H:%M:%S", gmtime(60*60*24))
'00:00:00'
gmtime is used to convert seconds to special tuple format that strftime() re...
Why both no-cache and no-store should be used in HTTP response?
...ore such responses as part of their normal operation
But this is omitted from the newer RFC 7234 HTTP spec in potentially an attempt to make no-store stronger, see:
http://tools.ietf.org/html/rfc7234#section-5.2.1.5
share...
Pod install is staying on “Setting up CocoaPods Master repo”
I'm cloning a project from a git repo, but when I execute pod install the first line I see is "Setting up CocoaPods Master repo" and after that I can't see anything more, the console stops there.
...
Zero-based month numbering [closed]
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The use of zero to start counting is actually an optimization trick from Assembly programmers. Instead of assigning 1 to the count register, they XOR'ed the register with itself, which was slightly faster in CPU cycles. This meant that counting would start with 0 and would always be up to the...
Abstract methods in Python [duplicate]
...e already using a metaclass. In this case, just have your metaclass derive from abc.ABCMeta instead of from type and you should be OK. If you don't know what a metaclass is, don't worry about it. :-)
– kindall
Dec 8 '10 at 0:15
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System.Timers.Timer vs System.Threading.Timer
...ill, by default, call your timer event handler on a worker thread obtained from the common language runtime (CLR) thread pool. [...] The System.Timers.Timer class provides an easy way to deal with this dilemma—it exposes a public SynchronizingObject property. Setting this property to an instance o...
Is there a way to detach matplotlib plots so that the computation can continue?
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Use matplotlib's calls that won't block:
Using draw():
from matplotlib.pyplot import plot, draw, show
plot([1,2,3])
draw()
print('continue computation')
# at the end call show to ensure window won't close.
show()
Using interactive mode:
from matplotlib.pyplot import plot, ion, ...