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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...
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?
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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...
How can I check if a key exists in a dictionary? [duplicate]
...g
Associative arrays are called dictionaries in Python and you can learn more about them in the stdtypes documentation.
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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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Which C++ idioms are deprecated in C++11?
... safe in C++11.
Prohibiting heap allocation: The = delete syntax is a much more direct way of saying that a particular functionality is explicitly denied. This is applicable to preventing heap allocation (i.e., =delete for member operator new), preventing copies, assignment, etc.
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How to format numbers as currency string?
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"poetry"? More like obscurity. This isn't code golf; use a little white space. Proper var names wouldn't hurt, either.
– keithjgrant
Dec 30 '12 at 14:07
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Converting between datetime, Timestamp and datetime64
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