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What are the differences between numpy arrays and matrices? Which one should I use?
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Given a number, find the next higher number which has the exact same set of digits as the original n
...ediately left of digit-x. Finally, sort the remaining digits in ascending order - since they were already in descending order, all you need to do is reverse them (save for digit-x, which can be placed in the correct place in O(n)).
An example will make this more clear:
123456784987654321
start w...
Why do we need extern “C”{ #include } in C++?
...s all named foo:
A::foo()
B::foo()
C::foo(int)
C::foo(std::string)
In order to differentiate between them all, the C++ compiler will create unique names for each in a process called name-mangling or decorating. C compilers do not do this. Furthermore, each C++ compiler may do this is a differ...
Group by month and year in MySQL
...aryDateTime) DESC
Should use DESC for both YEAR and Month to get correct order.
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Angular JS: What is the need of the directive’s link function when we already had directive’s contro
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I've also found this article useful for understanding the order of execution here: The nitty-gritty of compile and link functions inside AngularJS directives
– BobbyA
Jul 21 '15 at 13:29
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FIND_IN_SET() vs IN()
I have 2 tables in my database. One is for orders, and one is for companies.
6 Answers
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When do you use Git rebase instead of Git merge?
...oes conserve all your nice commits, or even give you the opportunity to re-order them through an interactive rebase).
In that case (where you rebase while being in the B branch), you are right: no further merge is needed:
A Git tree at default when we have not merged nor rebased
we get by rebas...
Running Bash commands in Python
...oggles my mind that I had to post a new answer to such a basic question in order to show how to run the command from the question idiomatically. Your answer is long but I don't see such example. Unrelated: avoid cargo-culting. If check_call() works in your case, use it. I had to fix a code that used...
In git, is there a simple way of introducing an unrelated branch to a repository?
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@kikito: Re: "Next answer is better" ... The ordering here on SO is not stable. Could you add a link pointing to what you think is a better answer.
– David J.
Jan 8 '14 at 16:09
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Difference between static and shared libraries?
...cost for execution of the functions" - that's possible (if function groups/ordering have been optimised for cache locality in the static link, or due to oddities in OS/loader/compiler/architecture like cross-segment/large-pointer perf. penalties), but on many architectures/compiler-settings the dyna...