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PHP array delete by value (not key)
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Difference between Observer, Pub/Sub, and Data Binding
... observers one observable can notify.
Pub/Sub
Another name (perhaps with more "broadcast" semantics) of the Observable/Observer pattern, which usually implies a more "dynamic" flavor - observers can subscribe or unsubscribe to notifications and one observable can "shout out" to multiple observers....
String comparison using '==' vs. 'strcmp()'
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The other usage for strcmp it shows the sorting. To be more clear about sorting. strcmp() returns <0 if string1 sorts before string2, >0 if string2 sorts before string1 or 0 if they are the same. For example $string_first = "aabo"; $string_second = "aaao"; echo $n = strcmp...
Should I use Python 32bit or Python 64bit
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64 bit version will allow a single process to use more RAM than 32 bit, however you may find that the memory footprint doubles depending on what you are storing in RAM (Integers in particular).
For example if your app requires > 2GB of RAM, so you switch from 32bit to 64...
How exactly does the callstack work?
...e are quite a few architectures (hello Itanium) where the whole thing is.. more interesting (and there are things like variable sized argument lists!)
– Voo
Jun 2 '14 at 0:37
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How to get the error message from the error code returned by GetLastError()?
... Thank you very much, your example is much clearer than the one from MSDN. More over, the one from MSDN even couldn't compile. It includes some strsafe.h header, that isn't safe at all, it causing a bunch of a compiler errors in winuser.h and winbase.h.
– Hi-Angel
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What does send() do in Ruby?
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Great answer, more clear than the verbose accepted answer.
– aaron-coding
Jun 16 '15 at 21:53
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What is the purpose of the word 'self'?
... or requiring declarations like C++ and Java do, or perhaps something yet more different -- but it didn't. Python's all for making things explicit, making it obvious what's what, and although it doesn't do it entirely everywhere, it does do it for instance attributes. That's why assigning to an ins...