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Can PostgreSQL index array columns?
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184
Yes you can index an array, but you have to use the array operators and the GIN-index type.
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Convert a list of data frames into one data frame
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148
Use bind_rows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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Java 8 List into Map
I want to translate a List of objects into a Map using Java 8's streams and lambdas.
21 Answers
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Good PHP ORM Library?
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118
Look into Doctrine.
Doctrine 1.2 implements Active Record. Doctrine 2+ is a DataMapper ORM.
Al...
techniques for obscuring sensitive strings in C++
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edited Oct 16 '13 at 8:04
answered Oct 30 '09 at 8:37
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ggplot2 legend to bottom and horizontal
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Tyler Rinker
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answered Apr 5 '12 at 17:09
Shreyas KarnikShreyas Karnik
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Why does Bootstrap set the line-height property to 1.428571429?
...f of a 14px font-size. The target line-height is 20px:
20px ÷ 14px = 1.428571429
When determining your line-height, you want to make sure you have ample white space between your rows. This allows for ascenders and descenders without intruding on other rows. Also having ample white space allows yo...
Removing Data From ElasticSearch
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answered Apr 8 '14 at 9:08
Nathan SmithNathan Smith
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Size of font in CSS with slash
... Konrad RudolphKonrad Rudolph
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Why is '397' used for ReSharper GetHashCode override?
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edited Sep 19 '08 at 16:33
answered Sep 19 '08 at 15:29
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