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LINQ where vs takewhile
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159
TakeWhile stops when the condition is false, Where continues and find all elements matching the...
How to get the last N rows of a pandas DataFrame?
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Wes McKinneyWes McKinney
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What does the “|” (single pipe) do in JavaScript?
Why does 0.5 | 0 return zero, but any integer (including negative) returns the input integer? What does the single pipe ("|") do?
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if, elif, else statement issues in Bash
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How to remove space between axis & area-plot in ggplot2?
...ome distance away from the
axes. The defaults are to expand the scale by 5% on each side for
continuous variables, and by 0.6 units on each side for discrete
variables.
The problem is thus solved by adding expand = c(0,0) to scale_x_continuous and scale_y_continuous. This also removes the ne...
PHP cURL vs file_get_contents
...s request
– Markus Köhler
Jul 29 '15 at 14:53
@velop: Yes. And method, too. And redirects. And timeout... php.net/man...
How to take column-slices of dataframe in pandas
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252
2017 Answer - pandas 0.20: .ix is deprecated. Use .loc
See the deprecation in the docs
.loc u...
Fastest way to replace NAs in a large data.table
...le) # v1.6.6
require(gdata) # v2.8.2
set.seed(1)
dt1 = create_dt(2e5, 200, 0.1)
dim(dt1)
[1] 200000 200 # more columns than Ramnath's answer which had 5 not 200
f_andrie = function(dt) remove_na(dt)
f_gdata = function(dt, un = 0) gdata::NAToUnknown(dt, un)
f_dowle = function(dt) { ...