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What is __gxx_personality_v0 for?
This is a second-hand question from an OS development site, but it made me curious since I couldn't find a decent explanation anywhere.
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Passing base64 encoded strings in URL
Is it safe to pass raw base64 encoded strings via GET parameters?
10 Answers
10
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IOCTL Linux device driver [closed]
... a driver can define an ioctl which allows a userspace application to send it orders. However, ioctls are not very flexible and tend to get a bit cluttered (dozens of "magic numbers" which just work... or not), and can also be insecure, as you pass a buffer into the kernel - bad handling can break t...
How do I print the type or class of a variable in Swift?
...the examples below to the new Swift 2.0 syntax (e.g. println was replaced with print, toString() is now String()).
From the Xcode 6.3 release notes:
@nschum points out in the comments that the Xcode 6.3 release notes show another way:
Type values now print as the full demangled type name when ...
private[this] vs private
.... From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some specific cases where I need to explicitly restrict c...
Stop pip from failing on single package when installing with requirements.txt
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Running each line with pip install may be a workaround.
cat requirements.txt | xargs -n 1 pip install
Note: -a parameter is not available under MacOS, so old cat is more portable.
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How do I get the function name inside a function in PHP?
Is it possible?
4 Answers
4
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How to call a parent method from child class in javascript?
...spent the last couple of hours trying to find a solution to my problem but it seems to be hopeless.
8 Answers
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How to pick just one item from a generator?
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Create a generator using
g = myfunct()
Everytime you would like an item, use
next(g)
(or g.next() in Python 2.5 or below).
If the generator exits, it will raise StopIteration. You can either catch this exception if necessary, or use the default argument to next():
next(g, default_value...
What is the documents directory (NSDocumentDirectory)?
...xplain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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