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Saving grid.arrange() plot to file
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147
grid.arrange draws directly on a device. arrangeGrob, on the other hand, doesn't draw anything ...
Select element based on multiple classes
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614
You mean two classes? "Chain" the selectors (no spaces between them):
.class1.class2 {
/* s...
Nested attributes unpermitted parameters
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illusionist
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answered Apr 10 '13 at 8:20
thorsten müllerthorsten müller
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How to use sessions in an ASP.NET MVC 4 application?
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answered Jan 3 '13 at 12:34
Jobert EnamnoJobert Enamno
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How to create arguments for a Dapper query dynamically
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24
Note that you can do new DynamicParameters(dictionary) and it will work just fine.
– asgerhallas
Dec ...
What does the `#` operator mean in Scala?
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4 Answers
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Active
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Run a callback only if an attribute has changed in Rails
...:Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in Rails ...
How to determine the longest increasing subsequence using dynamic programming?
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407
OK, I will describe first the simplest solution which is O(N^2), where N is the size of the co...
Logger slf4j advantages of formatting with {} instead of string concatenation
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It is about string concatenation performance. It's potentially significant if your have dense lo...