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How to get the IP address of the docker host from inside a docker container
...to use this method in Dockerfile (except when we need this IP during build time only), because this IP will be hardcoded during build time.
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What does extern inline do?
...see it as an out-of-line function (or you'll get duplicate symbols at link time).
extern inline will not generate an out-of-line version, but might call one (which you therefore must define in some other compilation unit. The one-definition rule applies, though; the out-of-line version must have the...
Split a string by spaces — preserving quoted substrings — in Python
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Wow, impressive. You posted at the exact same time as @Jerub. And 2 minutes after the question!
– xaviersjs
Jul 10 at 17:04
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How to get hex color value rather than RGB value?
... rgb2hex's function body (not hex's body), so the array is not redefined 3 times per 1 call to rgb2hex. Also learn to use 'var', so you don't pollute the global scope.
– Matt
Nov 16 '09 at 8:22
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How to replace master branch in Git, entirely, from another branch? [duplicate]
... why I'm doing that... basically I severely mixed up things, importing two times the same patches through github interface and command line push, then getting everything back to work by manual merge. After that I also created another branch with a clean history, but too late... anyway. As it's on my...
Arrays, heap and stack and value types
... the program and it'd clutter up the stack if they were left on it all the time. Or am I wrong? I'd guess they'd just be boxed and would live on the heap for as long the array existed.
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Explain the use of a bit vector for determining if all characters are unique
...en't normally used by us layman- the author didn't bother taking the extra time out in explaining the process nor what the actual mechanics involved here are. I was content with the previous answer on this thread in the beginning but only on an abstract level. I came back to it because I felt ther...
SQL Server CTE and recursion example
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Q 1) how value of N is getting incremented. if value is assign to N every time then N value can be incremented but only first time N value was initialize.
A1: In this case, N is not a variable. N is an alias. It is the equivalent of SELECT 1 AS N. It is a syntax of personal preference. There are 2...
Does Java have something like C#'s ref and out keywords?
...problem in a "cleanest" way that I can think of for Java at this moment in time...
– Pangamma
Dec 23 '18 at 1:07
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What is the difference between LL and LR parsing?
...or '{'
is encountered.
An LL parser cannot handle two rules at the same time, so it must
chose either FunctionDef or FunctionDecl. But to know which is
correct it has to lookahead for a ';' or '{'. At grammar analysis time, the lookahead (k) appears to be infinite. At parsing time it is fini...