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Selecting data frame rows based on partial string match in a column
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150
I notice that you mention a function %like% in your current approach. I don't know if that's a ...
Pandas dataframe get first row of each group
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5 Answers
5
Active
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xkcd style graphs in MATLAB
...,3);
plot(x,y2,'w','lineWidth',7);
plot(x,y2,'r','lineWidth',3);
xlim([0.95 10])
ylim([0 5])
set(gca,'fontName','Comic Sans MS','fontSize',18,'lineWidth',3,'box','off')
%# add an annotation
annotation(fh,'textarrow',[0.4 0.55],[0.8 0.65],...
'string',sprintf('text%shere',char(10)),'headStyl...
How to reorder data.table columns (without copying)
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185
Use setcolorder():
library(data.table)
x <- data.table(a = 1:3, b = 3:1, c = runif(3))
x
# ...
How do you check whether a number is divisible by another number (Python)?
...est whether each number from 1 to 1000 is a multiple of 3 or a multiple of 5. The way I thought I'd do this would be to divide the number by 3, and if the result is an integer then it would be a multiple of 3. Same with 5.
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How can I check which version of Angular I'm using?
... edited Apr 2 '19 at 12:26
Kabb5
3,39822 gold badges2929 silver badges4949 bronze badges
answered Apr 15 '13 at 14:35
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How to insert element into arrays at specific position?
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outis
66.3k1717 gold badges125125 silver badges191191 bronze badges
answered Jul 28 '10 at 15:58
ArtefactoArtefacto
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What is the difference between Ruby 1.8 and Ruby 1.9
...ion: Use Hash.key
Fixnum.to_sym Now Gone
Ruby 1.9
irb(main):001:0> 5.to_sym
NoMethodError: undefined method 'to_sym' for 5:Fixnum
Ruby 1.8.6
irb(main):001:0> 5.to_sym
=> nil
(Cont'd) Ruby 1.9
# Find an argument value by name or index.
def [](index)
lookup(index.to_sym)
end
sv...