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What does the caret (^) character mean?
...e tip of the current branch.
Remember that git commits can have more than one parent. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate.
You can get to parents of any commit, not just HEAD. You can also move back through generations: for example, master~2 means th...
What is function overloading and overriding in php?
...rence, since you cannot do either :)
Function overriding could have been done with a PHP extension like APD, but it's deprecated and afaik last version was unusable.
Function overloading in PHP cannot be done due to dynamic typing, ie, in PHP you don't "define" variables to be a particular type. E...
Days between two dates? [duplicate]
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Assuming you’ve literally got two date objects, you can subtract one from the other and query the resulting timedelta object for the number of days:
>>> from datetime import date
>>> a = date(2011,11,24)
>>> b = date(2011,11,17)
>>> a-b
datetime.timedel...
How can I get Git to follow symlinks?
... solution to its problem.tried to cancel downvote but locked sorry. On the one hand your answer is right given the warning, on the other hand one should give priority to answer working now rather than in the past
– user1767316
Jul 26 '17 at 16:29
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Perform commands over ssh with Python
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@Gabriel: one of the recent releases should have improved support on Windows. If it's still not working, please feel free to open an issue.
– Michael Williamson
Aug 25 '14 at 14:02
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
...ons in the securely initiated session are from the authenticated user each one has to be signed.
There's an amusing explanation involving naked motorcyclists here:
https://docs.microsoft.com/archive/blogs/vbertocci/end-to-end-security-or-why-you-shouldnt-drive-your-motorcycle-naked
So WS-Security...
Git for beginners: The definitive practical guide
...This will destroy all revision history, all your tags, everything git has done. It will not touch the "current" files (the files you can currently see), but previous changes, deleted files and so on will be unrecoverable!
sh...
Python List vs. Array - when to use?
...ous data (that is to say, all of the same type) and so it uses only sizeof(one object) * length bytes of memory. Mostly, you should use it when you need to expose a C array to an extension or a system call (for example, ioctl or fctnl).
array.array is also a reasonable way to represent a mutable st...
How to view the assembly behind the code using Visual C++?
...l note: there is big difference between Debug assembler output and Release one. The first one is good to learn how compiler produces assembler code from C++. The second one is good to learn how compiler optimizes various C++ constructs. In this case some C++-to-asm transformations are not obvious.
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Meaning of “[: too many arguments” error from if [] (square brackets)
I couldn't find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it.
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