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What does “abstract over” mean?
... numbers under a single symbol ns:
def sumOf(ns: List[Int]) = ns.foldLeft(0)(_ + _)
And we don't particularly care that it's a List either. List is a specific type constructor (takes a type and returns a type), but we can abstract over the type constructor by specifying which essential characteri...
How to return an array from JNI to Java?
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If you've examined the documentation and still have questions that should be part of your initia...
Limit ggplot2 axes without removing data (outside limits): zoom
...y explains this on pp. 99; 133 of his ggplot2 book (1st edition), or pp. 160 - 161 if you have the second edition.
The issue is that, as you say, limits inside the scale or setting ylim() causes data to be thrown away, as they are constraining the data. For a true zoom (keep all the data), you nee...
Python Regex instantly replace groups
...king with this one. They should add such example.
– Y0da
Apr 26 '18 at 21:46
it worked from the firsttime, This is a p...
MySQL remove all whitespaces from the entire column
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203
To replace all spaces :
UPDATE `table` SET `col_name` = REPLACE(`col_name`, ' ', '')
To remo...
How to increase font size in a plot in R?
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You want something like the cex=1.5 argument to scale fonts 150 percent. But do see help(par) as there are also cex.lab, cex.axis, ...
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How to convert a java.util.List to a Scala list
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answered Apr 23 '13 at 8:07
FynnFynn
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Why does running the Flask dev server run itself twice?
...o away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can look for the WERKZEUG_RUN_MAIN environment varia...
Sublime Text 2 and 3: open the same file multiple times
... "file view", hit Enter
– Eric
Apr 20 '18 at 12:16
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Couldn't connect to server 127.0.0.1:27017
...ottTrott
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