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Float vs Decimal in ActiveRecord

...esent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly. That's why there is a Decimal format. If you do this: irb:001:0> "%.47f" % (1.0/10) => "0.100000000000000005551115123125...
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Android Studio 0.4 Duplicate files copied in APK META-INF/LICENSE.txt

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Show percent % instead of counts in charts of categorical variables

...ous(labels = percent) ## version 3.0.0 This question is currently the #1 hit on google for 'ggplot count vs percentage histogram' so hopefully this helps distill all the information currently housed in comments on the accepted answer. Remark: If hp is not set as a factor, ggplot returns: ...
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Make xargs handle filenames that contain spaces

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Matplotlib: “Unknown projection '3d'” error

... 114 First off, I think mplot3D worked a bit differently in matplotlib version 0.99 than it does in...
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How to convert a std::string to const char* or char*?

... 1091 If you just want to pass a std::string to a function that needs const char* you can use std...
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Validating parameters to a Bash script

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Convert char to int in C and C++

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Can someone explain this 'double negative' trick? [duplicate]

... 251 A logical NOT operator ! converts a value to a boolean that is the opposite of its logical value...
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outline on only one border

...{ content: "\a0"; display: block; padding: 2px 0; line-height: 1px; border-top: 1px dashed #000; } .element p { padding: 0 10px; } <div class="element"> <p>Some content comes here...</p> </div> (Or see external demo.) All sizes and colors ar...