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How do I convert a Ruby class name to a underscore-delimited symbol?
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143
Rails comes with a method called underscore that will allow you to transform CamelCased string...
Hidden features of Scala
...M/D.
val regex = "(\\d+)/(\\d+)/(\\d+)".r
val regex(year, month, day) = "2010/1/13"
The second line looks confusing if you're not used to using pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's...
Is there a way to ignore a single FindBugs warning?
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315
The FindBugs initial approach involves XML configuration files aka filters. This is really less...
What exactly is Heroku?
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198
Heroku is a cloud platform as a service. That means you do not have to worry about infrastruct...
TreeMap sort by value
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179
You can't have the TreeMap itself sort on the values, since that defies the SortedMap specific...
Is there an equivalent for var_dump (PHP) in Javascript?
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18 Answers
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Select2 dropdown but allow new values by user?
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100
For version 4+ check this answer below by Kevin Brown
In Select2 3.5.2 and below, you can use...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
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123
What about just getting a listing of the tarball and throw away the output, rather than decomp...
Count number of lines in a git repository
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15 Answers
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How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
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154
With the Python plugin installed:
Navigate to File > Project Structure.
Under the Proje...