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PHP “php://input” vs $_POST
...nput instead of $_POST when interacting with Ajax requests from JQuery. What I do not understand is the benefits of using this vs the global method of $_POST or $_GET .
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Oracle “(+)” Operator
...null-extended rows of table2. Other meanings for the circles are obscure. What exactly do you think the diagrams mean? Why did you put them in other than blindly copying other people's (bad) presentations?
– philipxy
Mar 5 '19 at 11:09
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How to install a gem or update RubyGems if it fails with a permissions error
...eir own use. While it's OK to make minor modifications to that if you know what you're doing, because you are not sure about the permissions problem, I'd say it's not a good idea to continue along that track.
Instead, I'll strongly suggest you look into using either rbenv or RVM to manage a separat...
Explain the concept of a stack frame in a nutshell
...find (probably, I just don't search hard enough) any decent explanation of what stack frame is.
6 Answers
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Memcached vs APC which one should I choose? [closed]
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Stunning answer +1. My question now is what's an opcode cache?
– Marco Demaio
Apr 2 '12 at 11:20
4
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One-liner to check whether an iterator yields at least one element?
...nel) is sentinel:
print('iterator was empty')
If you have no idea of what the iterator might possibly yield, make your own sentinel (e.g. at the top of your module) with
sentinel = object()
Otherwise, you could use, in the sentinel role, any value which you "know" (based on application cons...
How to get duplicate items from a list using LINQ? [duplicate]
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Skip(1) is skipping the first item :( Do you know what should I do if I want all items?
– ParPar
Mar 23 '14 at 10:17
2
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Best practices for catching and re-throwing .NET exceptions
What are the best practices to consider when catching exceptions and re-throwing them? I want to make sure that the Exception object's InnerException and stack trace are preserved. Is there a difference between the following code blocks in the way they handle this?
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What does the “@” symbol mean in reference to lists in Haskell?
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To add to what the other people have said, they are called as-patterns (in ML the syntax uses the keyword "as"), and are described in the section of the Haskell Report on patterns.
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Find out how much memory is being used by an object in Python [duplicate]
...ode, but not by an instantiated object (anytime during its life), which is what I want.
6 Answers
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