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How can I check for an empty/undefined/null string in JavaScript?
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edited Jun 2 '18 at 0:29
user5779136
answered Sep 30 '08 at 17:20
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Preserve line endings
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+50
You can use the -b option for sed to have it treat the file as binary. This will fix the problem with cygwin's sed on Windows.
Exam...
Detect rotation of Android phone in the browser with JavaScript
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Gajus
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answered Feb 21 '10 at 23:37
jb.jb.
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Quickly reading very large tables as dataframes
I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead o...
LINQ Using Max() to select a single row
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edited Jul 5 '13 at 13:08
answered Feb 2 '12 at 15:30
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Converting an array of objects to ActiveRecord::Relation
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edited Dec 2 '14 at 0:04
answered Jun 26 '13 at 23:29
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How to replace a whole line with sed?
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– A-IV
Mar 28 '17 at 19:06
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How to swap keys and values in a hash
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edited Jan 14 at 0:20
the Tin Man
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Swift how to sort array of custom objects by property value
...es : [imageFile] = []
Then you can simply do:
Swift 2
images.sorted({ $0.fileID > $1.fileID })
Swift 3+
images.sorted(by: { $0.fileID > $1.fileID })
The example above gives desc sort order
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