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How to convert an NSTimeInterval (seconds) into minutes
... See Albaregar's answer - it is a better way of doing this (more code but more flexible, maintainable)
– benvolioT
Sep 12 '10 at 16:49
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Command to get nth line of STDOUT
...just for variety:
ls -l | sed -n 2p
Using this alternative, which looks more efficient since it stops reading the input when the required line is printed, may generate a SIGPIPE in the feeding process, which may in turn generate an unwanted error message:
ls -l | sed -n -e '2{p;q}'
I've seen t...
What is RSS and VSZ in Linux memory management
... use it, so if you add up all of the RSS values you can easily end up with more space than your system has.
The memory that is allocated also may not be in RSS until it is actually used by the program. So if your program allocated a bunch of memory up front, then uses it over time, you could see R...
Multiprocessing vs Threading Python [duplicate]
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More than 10 lines in a node.js stack error?
Is there a way to get more than 10 lines in a node.js stack error?
4 Answers
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REST API - why use PUT DELETE POST GET?
...hentication, caching and content type negotiation. Now that I am thinking more about it, you may be able to use these with RPC style interfaces, but the temptation will often be to implement your own system from scratch, or code up an integration to an existing system. With REST you can use the bu...
In what order are Panels the most efficient in terms of render time and performance?
There are many times when more than one panel would suitable for the layout I want, however I know there is a difference in render times for different panel types.
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Is “else if” faster than “switch() case”? [duplicate]
... have many items you should definitely use a switch.
If a switch contains more than five items, it's implemented using a lookup table or a hash list. This means that all items get the same access time, compared to a list of if:s where the last item takes much more time to reach as it has to evaluat...
MySQL Select minimum/maximum among two (or more) given values
Is it possible to SELECT the minimum or maximum among two or more values. I'd need something like this:
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Format a number as 2.5K if a thousand or more, otherwise 900
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