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No secret option provided to Rack::Session::Cookie warning?
I am running Rails 3.2.3, Ruby 1.9 under Fedora 17. I get this warning, when I run rails s , and how do I fix?
7 Answers
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How to tell Jackson to ignore a field during serialization if its value is null?
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1122
To suppress serializing properties with null values using Jackson >2.0, you can configure th...
How do you plot bar charts in gnuplot?
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124
Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) wi...
How can you detect the version of a browser?
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27 Answers
27
Active
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How to find the installed pandas version
...ion__:
In [76]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
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commit: ...
Change column type from string to float in Pandas
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+200
You have four main options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric type...
SQL Server: Filter output of sp_who2
Under SQL Server, is there an easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
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answered May 22 '11 at 4:11
Caley WoodsCaley Woods
4,62944 gold badges2626 silver badges3636 bronze badges
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How to download Xcode DMG or XIP file?
...ion (6.3, 5.1, etc.) only the latest revision is kept in the list.)
Xcode 12
12.2 beta
12 (Requires macOS 10.15.4 or later) (Latest as of 17-Sept-2020)
Xcode 11
11.7 (Latest as of Sept 02 2020)
11.6
11.5
11.4.1 (Requires macOS 10.15.2 or later)
11.3.1
11.2.1
11.1
11 (Requires macOS 10.1...
汇编语言（王爽著）附书签 - 文档下载 - 清泛网 - 专注C/C++及内核技术
...深入浅出（书是给人看的，别人看懂了才是最关键的）。2、有的地方看的出来是老师自己的感悟（不像其它国内大多数的书，就知道东抄一点西搬一点。内容到是什么都有，看了就不知道在讲个什么，什么都讲不清楚，就知道...