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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
Should I define a separate index on the email column (for searching purposes), or is the index is "automatically" added along with UNIQ_EMAIL_USER constraint?
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...functionality of reduce.
But you cannot parallelize a foldLeft, so its runtime is always O(N) (even if you feed in a commutative monoid). This is because it's assumed the operation is not a commutative monoid and so the cumulated value will be computed by a series of sequential aggregations.
fol...
How to pretty print XML from the command line?
Related: How can I pretty-print JSON in (unix) shell script?
8 Answers
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What does `m_` variable prefix mean?
...dent which variables are local and which ones are members. However, by the time syntax highlighting appeared in the late 90s, the convention had been around for many years and was firmly set (at least in the C++ world).
I do not know which tutorials you are referring to, but I will guess that they...
How to include (source) R script in other scripts
I've created a utility R script, util.R, which I want to use from other scripts in my project.
What is the proper way to ensure that the function this script defines are available to function in my other scripts?
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Entity Framework Migrations renaming tables and columns
...nge the property name. That's it. Either way, this just saved me a ton of time. Thanks!
– Crispy Ninja
Apr 21 '18 at 15:25
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Link and execute external JavaScript file hosted on GitHub
...y don’t want to track changes in build files in your regular repo. Every time you want to update your hosted files, simply merge master into gh-pages, rebuild, commit, and then push.
(protip: you can merge and rebuild in the same commit with these steps:)
$ git checkout gh-pages
$ git merge --no...
How to drop SQL default constraint without knowing its name?
In Microsoft SQL Server, I know the query to check if a default constraint exists for a column and drop a default constraint is:
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How to implement the Java comparable interface?
I am not sure how to implement a comparable interface into my abstract class. I have the following example code that I am using to try and get my head around it:
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Array extension to remove object by value
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Perfect, you gotta love Swift (2). I really like how with time more things get possible and stuff gets simplified
– Kametrixom
Jun 28 '15 at 21:25
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