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Understanding NSRunLoop
...y, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing.
A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to process each input sou...
Comments in command-line Zsh
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You can also do set -k if it's just a one off. But I'd use the setopt line from this answer in my zshrc
– Hamish Downer
Aug 25 '13 at 15:08
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Can we pass parameters to a view in SQL?
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What are the practical differences between this and a view? Can you assign user permissions to only access this function?
– MikeMurko
Oct 22 '12 at 17:44
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What file uses .md extension and how should I edit them?
...tensions .md and .markdown are just text files written in Markdown syntax. If you have a Readme.md in your repo, GitHub will show the contents on the home page of your repo. Read the documentation:
Standard Markdown
GitHub Flavored Markdown
You can edit the Readme.md file in GitHub itself. Click...
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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fol...
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...