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How to get maximum value from the Collection (for example ArrayList)?
... list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
15 Answers
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How to select the nth row in a SQL database table?
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There are ways of doing this in optional parts of the standard, but a lot of databases support their own way of doing it.
A really good site that talks about this and other things is http://troels.arvin.dk/db/rdbms/#select-limit.
Basically, PostgreSQL and MySQL supports the non-...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
... a bash script for several subprocesses spawned from that script to finish and return exit code !=0 when any of the subprocesses ends with code !=0 ?
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How to create a GUID/UUID in Python
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The uuid module, in Python 2.5 and up, provides RFC compliant UUID
generation. See the module docs and the RFC for details. [source]
Docs:
Python 2: http://docs.python.org/2/library/uuid.html
Python 3:
https://docs.python.org/3/library/uuid.html
E...
How do I get the n-th level parent of an element in jQuery?
...parents().eq(0); // "Father".
$('#element').parents().eq(2); // "Great-grandfather".
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How can I efficiently download a large file using Go?
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Note that io.Copy reads 32kb (maximum) from input and writes them to output, then repeats. So don't worry about memory.
– Moshe Revah
Jul 28 '12 at 0:11
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
I upgraded Xcode version and when using external static libraries, I get this message:
8 Answers
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Pass variables to Ruby script via command line
I've installed RubyInstaller on Windows and I'm running IMAP Sync but I need to use it to sync hundreds of accounts. If I could pass these variables to it via command line I could automate the whole process better.
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Convert a float64 to an int in Go
... a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clumsy - is there a better way to do this?
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How to check permissions of a specific directory?
... it does:
-d, --directory
list directory entries instead of contents, and do not dereference symbolic links
You might be interested in manpages. That's where all people in here get their nice answers from.
refer to online man pages
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