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How do I set up email confirmation with Devise?
Is there a tutorial out there that explains how to set up Devise's signup confirmation email from scratch (in both development and production), i.e. if you don't have Action Mailer set up?
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SQL SELECT WHERE field contains words
I need a select which would return results like this:
15 Answers
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ScalaTest in sbt: is there a way to run a single test without tags?
I know that a single test can be ran by running, in sbt,
5 Answers
5
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LINQ, Where() vs FindAll()
Can someone explain how the LINQ functions Where(..) and FindAll(..) differ? They both seem to do the same thing...
4 Answe...
What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
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How does the String class override the + operator?
Why in Java you're able to add Strings with the + operator, when String is a class? In the String.java code I did not find any implementation for this operator. Does this concept violate object orientation?
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Deep null checking, is there a better way?
Note: This question was asked before the introduction of the .? operator in C# 6 / Visual Studio 2015 .
16 Answers
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Extracting just Month and Year separately from Pandas Datetime column
I have a Dataframe, df, with the following column:
11 Answers
11
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What is SuppressWarnings (“unchecked”) in Java?
Sometime when looking through code, I see many methods specify an annotation:
11 Answers
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How can I select random files from a directory in bash?
I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands?
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