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Extract a substring according to a pattern
..._ as a separator and made two separate variables for the prefix and suffix based on @Grothendieck answer: prefix <- sub("_.*", "", variable) and suffix <- sub(".*_", "", variable)
– swihart
Nov 13 '15 at 19:45
...
Haskell testing workflow
...eal with cabal test and cabal bench, mixing HUnit, doctest, and quickcheck based tests with criterion benchmarks. The code in speculation predates cabal test and cabal bench.
– Edward KMETT
Nov 2 '12 at 17:02
...
What's the difference between @Component, @Repository & @Service annotations in Spring?
...ns, i.e. translating technology-specific exceptions to more generic Spring-based ones, to avoid tight coupling.
– stivlo
Mar 20 '15 at 11:50
...
Sorting a tab delimited file
...transition so tab should work just fine.
However, the columns are indexed base 1 and base 0 so you probably want
sort -k4nr file.txt
to sort file.txt by column 4 numerically in reverse order. (Though the data in the question has even 5 fields so the last field would be index 5.)
...
Visual Studio support for new C / C++ standards?
...casionally question as to why we haven’t implemented C99. It’s really based on interest from our users. Where we’ve received many requests for certain C99 features, we’ve tried to implement them (or analogues). A couple examples are variadic macros, long long, __pragma, __FUNCTION__, and ...
Rotating x axis labels in R for barplot
...is should be the accepted answer. Works perfectly using a parameter of the base barplot function used in the question.
– jwhaley58
Nov 8 '16 at 15:06
1
...
Is it possible to set a custom font for entire of application?
...
Yes with reflection. This works (based on this answer):
(Note: this is a workaround due to lack of support for custom fonts, so if you want to change this situation please do star to up-vote the android issue here). Note: Do not leave "me too" comments on t...
Shortcut for creating single item list in C#
...
A different answer to my earlier one, based on exposure to the Google Java Collections:
public static class Lists
{
public static List<T> Of<T>(T item)
{
return new List<T> { item };
}
}
Then:
List<string> x = Lists...
How do I get the current absolute URL in Ruby on Rails?
... method, but if you're curious, the implementation is:
def original_url
base_url + original_fullpath
end
For Rails 3:
You can write "#{request.protocol}#{request.host_with_port}#{request.fullpath}", since request.url is now deprecated.
For Rails 2:
You can write request.url instead of r...
What's the difference between JavaScript and JScript?
...s. One beautiful day, ECMA international came and said: let's make engines based on common standard, let's make something general to make life more easy and fun, and they made that standard.
Since all browser providers make their JavaScript engines based on ECMAScript core (standard).
For example, ...