大约有 3,260 项符合查询结果（耗时：0.0245秒） [XML]
Principal component analysis in Python
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Fyinfo, there's an excellent talk on Robust PCA by C. Caramanis, January 2011.
– denis
Feb 1 '11 at 14:26
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MySQL indexes - what are the best practices?
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Excellent the slideshare.net/billkarwin/how-to-design-indexes-really presentation
– Manuel Jordan
Oct 19 '19 at 18:55
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What are JavaScript's builtin strings?
... And IE10 support seals the deal (with sincere apologies @alpha123 for the excellent answer)
– Jason Sperske
Apr 12 '13 at 20:33
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What is the difference between up-casting and down-casting with respect to class variable
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@awksp This is an excellent and articulate answer. Pretty much sums up everything I need to know about Casting.
– Gautham Honnavara
Nov 16 '16 at 20:14
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Unit Testing C Code [closed]
...t seams into code that is otherwise encapsulated.
Michael Feathers has an excellent book about testing legacy code. In one chapter he covers techniques for dealing with non-OO code which I highly recommend.
Edit: I've written a blog post about unit testing procedural code, with source available o...
How to watch for array changes?
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Outstanding answer here. The ObservableArray's class is excellent. +1
– dooburt
Jun 13 '16 at 9:31
1
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Rails: Default sort order for a rails model?
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A quick update to Michael's excellent answer above.
For Rails 4.0+ you need to put your sort in a block like this:
class Book < ActiveRecord::Base
default_scope { order('created_at DESC') }
end
Notice that the order statement is placed in a blo...
How can I use redis with Django?
...There's a backend here https://github.com/sebleier/django-redis-cache/ and excellent documentation in the Django docs here: https://docs.djangoproject.com/en/1.3/topics/cache/ .
I've recently started using https://github.com/erussell/django-redis-status to monitor my cache - works a charm. (Configu...
Why are unsigned int's not CLS compliant?
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Excellent explanation from the mathematical perspective!
– dizarter
Jun 18 '15 at 13:42
add a commen...
How to use Greek symbols in ggplot2?
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Here is a link to an excellent wiki that explains how to put greek symbols in ggplot2. In summary, here is what you do to obtain greek symbols
Text Labels: Use parse = T inside geom_text or annotate.
Axis Labels: Use expression(alpha) to get gr...