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Database sharding vs partitioning
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Partitioning is more a generic term for dividing data across tables or databases. Sharding is one specific type of partitioning, part of what is called horizontal partitioning.
Here you replicate the schema across (typically) multiple instances or servers, using some...
Apply multiple functions to multiple groupby columns
...r what the arguments are. As usual, the aggregation can be a callable or a string alias.
In [79]: animals = pd.DataFrame({'kind': ['cat', 'dog', 'cat', 'dog'],
....: 'height': [9.1, 6.0, 9.5, 34.0],
....: 'weight': [7.9, 7.5, 9.9, 1...
How to use chrome web inspector to view hover code
... right click it.
Alternatively, you can use Event Listener Breakpoints sidebar pane in the Scripts panel and select to pause in mouseover handlers.
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compilation warning: no rule to process file for architecture i386
...will be compiled, and normally you have already included <file>.h inside your <file>.m
– Giuseppe
Jun 28 '11 at 18:55
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List comprehension: Returning two (or more) items for each item
...m_iterable((func(x) for func in funcs) for x in range(n))). Which would incidentally eliminate khachik's complaint. (Though in a sense, mine and his are essentially the same in terms of process. We simply define the inner generator differently.)
– JAB
Aug 8 '12...
What is http multipart request?
... request to upload multiple files at once.
– Dario Seidl
Sep 29 '18 at 11:48
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@DarioSeidl the st...
How to improve performance of ngRepeat over a huge dataset (angular.js)?
...croll will get you into trouble unless you are virtualizing it (which ui-grid does).
– richard
Dec 10 '15 at 6:53
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How to get row from R data.frame
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10 years later ---> Using tidyverse we could achieve this simply and borrowing a leaf from Christopher Bottoms. For a better grasp, see slice().
library(tidyverse)
x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ),
B = c(4...
Testing if jQueryUI has loaded
... this doesn't work for me. can someone please take a look at this jsfiddle and let me know if i'm doing something wrong. jsfiddle.net/vEvYv/1 I expect the else of my if statement to run because I am not loading jQuery. except, it fails on the first line. Run the page with your browser console...
How to change a git submodule to point to a subfolder?
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I'm afraid the URL for submodules always just points to the repository - you can't specify that you only want a subfolder of a repository, in the same way that git doesn't support "narrow clones" in general.
If you can't live with h...