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Does the APNS device token ever change, once created?
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edited Nov 27 '17 at 6:40
iosCurator
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answered J...
Hidden Features of Xcode
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edited Jun 20 at 9:12
community wiki
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Hiding elements in responsive layout?
...(Class names : .visible-md-block, hidden-md)
Large devices
Desktops (≥1200px) (Class names : .visible-lg-block, hidden-lg)
For more information : http://getbootstrap.com/css/#responsive-utilities
Below is deprecated as of v3.2.0
Extra small devices
Phones (<768px) (Class names : .visibl...
What is the difference between map and flatMap and a good use case for each?
...e(Seq("Roses are red", "Violets are blue")) // lines
rdd.collect
res0: Array[String] = Array("Roses are red", "Violets are blue")
Now, map transforms an RDD of length N into another RDD of length N.
For example, it maps from two lines into two line-lengths:
rdd.map(_.length).collect
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Pimpl idiom vs Pure virtual class interface
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redirect COPY of stdout to log file from within bash script itself
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gsamaras
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answered Aug 4 '10 at 8:24
DevSolarDevSolar
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Function to Calculate Median in SQL Server
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2019 UPDATE: In the 10 years since I wrote this answer, more solutions have been uncovered that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can b...
When NOT to use Cassandra?
...roblems.
– Nick Suwyn
Mar 7 '16 at 20:35
NoSQL database is not a thing. NoSQL is just a term used for modern non-relat...
What is the difference between memmove and memcpy?
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answered Jul 29 '09 at 16:03
bdonlanbdonlan
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How to extend an existing JavaScript array with another array, without creating a new array
...th a stack overflow error if array b is too long (trouble starts at about 100,000 elements, depending on the browser).
If you cannot guarantee that b is short enough, you should use a standard loop-based technique described in the other answer.
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