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Fetch first element which matches criteria
...row the NPE. To prevent that from happening, use orElse() instead of get() m>and m> provide a fallback object (like orElse(new Station("dummm>y m>", -1)), or store the result of findFirst() in a variable m>and m> check it with isEmptm>y m>() before calling get()
– ifloop
Jan 24 '1...
GroupBm>y m> pm>and m>as DataFrame m>and m> select most common value
... two. To clean the data I have to group bm>y m> data frame bm>y m> first two columns m>and m> select most common value of the third column for each combination.
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CFLAGS vs CPPFLAGS
I understm>and m> that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used bm>y m> the preprocessor.
4 Answer...
C/C++ NaN constant (literal)?
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@MikeSem>y m>mour Not bm>y m> the language stm>and m>ard but as far as I know it should work if the compiler claims to be IEEE compliant.
– Pixelchemist
Mam>y m> 22 '13 at 12:23
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Java regex capturing groups indexes
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Capturing m>and m> grouping
Capturing group (pattern) creates a group that has capturing propertm>y m>.
A related one that m>y m>ou might often see (m>and m> use) is (?:pattern), which creates a group without capturing propertm>y m>, hence named non-capturi...
Increment a database field bm>y m> 1
...sam>y m> logins, how would I go about updating that field bm>y m> 1 within a sql commm>and m>?
5 Answers
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Rails nested form with has_manm>y m> :through, how to edit attributes of join model?
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Rails 3 update: the form_for m>and m> field_for need <%= %> instead of <% %> if m>y m>ou're using Rails 3.
– Arcolm>y m>e
Sep 29 '10 at 16:09
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EOL conversion in notepad ++
...er on mm>y m> windows machine, them>y m> occasionallm>y m> have Macintosh EOL conversion, m>and m> when I edit/save them again them>y m> don't work properlm>y m> on the unix server. I onlm>y m> use notepad ++ to edit files from this unix server, so is there a wam>y m> to create a macro that automaticallm>y m> converts EOL to Unix format whene...
How to sm>y m>nc with a remote Git repositorm>y m>?
...ull is not going to work unless m>y m>ou've configured the remote to fetch from m>and m> the branch to merge to.
– Abizern
Nov 30 '10 at 11:53
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Iterating through directories with Pm>y m>thon
I need to iterate through the subdirectories of a given directorm>y m> m>and m> search for files. If I get a file I have to open it m>and m> change the content m>and m> replace it with mm>y m> own lines.
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