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What is the “owning side” in an OR<em>Mem> <em>mem>apping?
What exactly does the owning side <em>mem>ean? What is an explanation with so<em>mem>e <em>mem>apping exa<em>mem>ples ( one to <em>mem>any, one to one, <em>mem>any to one )?
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How do you know when to use fold-left and when to use fold-right?
I'<em>mem> aware that fold-left produces left-leaning trees and fold-right produces right-leaning trees, but when I reach for a fold, I so<em>mem>eti<em>mem>es find <em>mem>yself getting bogged down in headache-inducing thought trying to deter<em>mem>ine which kind of fold is appropriate. I usually end up unwinding the entire proble...
How to force vi<em>mem> to syntax-highlight a file as ht<em>mem>l?
How do I set vi<em>mem>'s syntax highlighting to treat a file extension as an ht<em>mem>l file?
6 Answers
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dplyr su<em>mem><em>mem>arise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
When using su<em>mem><em>mem>arise with plyr 's ddply function, e<em>mem>pty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using su<em>mem><em>mem>arise with dplyr . Is there another way to keep e<em>mem>pty categories in the result?
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Difference between Prag<em>mem>a and Cache-Control headers?
I read about Prag<em>mem>a header on Wikipedia which says:
3 Answers
3
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How to get the first colu<em>mem>n of a pandas DataFra<em>mem>e as a Series?
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&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; i<em>mem>port pandas as pd
&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; df = pd.DataFra<em>mem>e({'x' : [1, 2, 3, 4], 'y' : [4, 5, 6, 7]})
&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; df
x y
0 1 4
1 2 5
2 3 6
3 4 7
&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; s = df.ix[:,0]
&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; type(s)
&a<em>mem>p;lt;class 'pandas.core.serie...
The Concept of 'Hold space' and 'Pattern space' in sed
I'<em>mem> confused by the two concepts in sed: hold space and pattern space. Can so<em>mem>eone help explain the<em>mem>?
3 Answers
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How to navigate through a vector using iterators? (C++)
The goal is to access the "nth" ele<em>mem>ent of a vector of strings instead of the [] operator or the "at" <em>mem>ethod. Fro<em>mem> what I understand, iterators can be used to navigate through containers, but I've never used iterators before, and what I'<em>mem> reading is confusing.
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How can I get a Bootstrap colu<em>mem>n to span <em>mem>ultiple rows?
I'<em>mem> trying to figure out how to do the following grid with Bootstrap.
5 Answers
5
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Difference between Grunt, NP<em>Mem> and Bower ( package.json vs bower.json )
I'<em>mem> new to using np<em>mem> and bower, building <em>mem>y first app in e<em>mem>berjs :).
I do have a bit of experience with rails, so I'<em>mem> fa<em>mem>iliar with the idea of files for listing dependencies (such as bundler Ge<em>mem>file)
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