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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...
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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top -c command in linux to filter processes listed based on processname
...eparated list of pids so we use -d',' in pgrep. The -f flag in pgrep makes it match the command line instead of program name.
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)?
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How to avoid circular imports in Python? [duplicate]
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Doesn't seem to work with submodules import foobar.mod_a and import foobar.mod_b doesn't work like described above.
– Nick
Oct 2 '13 at 0:39
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