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`daru_chart` and `daru_table` helper methods for rails app is already defined in https://github.com/Shekharrajak/daru-view/pull/55 . We need similar helper methods for Sinatra and Nanoc app.
Ori…
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# Motivace
Uživatelé by měli mít možnost skrze Preventivku darovat peníze na její další rozvoj. Jedná se o jeden ze způsobů, jak získat peníze na provoz. Časem vyhodnotíme, jak moc je tento způsob ús…
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Refer https://github.com/SciRuby/daru-view/pull/119 discussion
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I get this error on running `rnorm` on Ruby-2.0.0.
``` ruby
lokeshh:~/workspace $ rvm use 2.0.0-p647
Using /home/ubuntu/.rvm/gems/ruby-2.0.0-p647
lokeshh:~/workspace $ irb
2.0.0-p647 :001 > require '…
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Hi,
the last line in the following code raised an error:
```
require 'statsample'
a = Daru::Vector.new([1, 2, 3, 4, 5])
b = Daru::Vector.new([6, 7, 8, 9, 10])
t_2=Statsample::Test::T::TwoSam…
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As HighCharts supports multiple series in a single chart, we can add a feature to visualize multiple Daru::DataFrame and Daru::Vector in a single chart (Need to think how a user will provide the data …
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Hey,
I get some errors without obviously missing python module. Could you please suggest a fix for this issue?
python main.py
[ERROR] 'NoneType' object has no attribute 'setStyleSheet'
Trace…
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Looks like this is a different issue, but related to #2. The issue is that it looks like there is code depending on Rails, that shouldn't be loaded when in IRuby.
This is the error I get:
```
…
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Should be done in `daru-1.0` branch:
1. `daru-io` becomes hard dependency for `daru`
2. All `Daru#from_something` and `Daru#to_something` functionality should be removed from `daru` gem, alongside…
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[enhancement / question]
It is strange that the `delete_rows` method is not implemented in` Daru::DataFrame`.
Anything I’m missing?
Please let me know if you know how to delete multiple rows.