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Difference between onCreateView and onViewCreated in Fragment
What's the essential difference between these two methods? When I create a TextView, should I use one over the other for performance?
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Git undo local branch delete
...;
Edit: As @seagullJS says, the branch -D command tells you the sha1, so if you haven't closed the terminal yet it becomes real easy. For example this deletes and then immediately restores a branch named master2:
user@MY-PC /C/MyRepo (master)
$ git branch -D master2
Deleted branch master2 (was 13...
Passing a method as a parameter in Ruby
... off the method.
def weightedknn(data, vec1, k = 5)
...
weight =
if block_given?
yield(dist)
else
gaussian.call(dist)
end
end
...
end
weightedknn(foo, bar) do |dist|
# square the dist
dist * dist
end
But it sounds like you would like more reusable chunks of c...
Access lapply index names inside FUN
... will pass in the "element" (here the index) to the first argument not specified among the extra ones. In this case, I specify y and n, so there's only i left...
Which produces the following:
[[1]]
[1] "a 11"
[[2]]
[1] "b 12"
[[3]]
[1] "c 13"
UPDATE Simpler example, same result:
lapply(seq_al...
How to convert the background to transparent? [closed]
...background and the border is not part of the image]
File menu/Save Image
GIF/PNG/ICO image file formats support transparency, JPG doesn't!
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Select top 10 records for each category
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If you are using SQL 2005 you can do something like this...
SELECT rs.Field1,rs.Field2
FROM (
SELECT Field1,Field2, Rank()
over (Partition BY Section
ORDER BY RankCriteria DESC ) AS Ra...
How to make a new List in Java
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If you use an IDE you can also generally view a type hierarchy in there, which may be more convenient. In Eclipse the default shortcut is F4, and in IDEA it is Ctrl+H.
– David Mason
Jun ...
How to get the type of a variable in MATLAB?
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for conditionals: if ( string(class(b)) == 'double' ) fprintf(1, 'b is double'); end
– khaverim
Apr 16 at 18:09
add a ...
Define an 's src attribute in CSS [duplicate]
I need to define an 's src attribute in CSS. Is there a way to specify this attribute?
7 Answers
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Using LIMIT within GROUP BY to get N results per group?
...table.id, yourtable.year DESC;
Please see fiddle here.
Please note that if more than one row can have the same rate, you should consider using GROUP_CONCAT(DISTINCT rate ORDER BY rate) on the rate column instead of the year column.
The maximum length of the string returned by GROUP_CONCAT is lim...