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What is the most efficient way to concatenate N arrays?
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I believe your test may have an error: the a.concat(b) test case seems to be needlessly making a copy of the array a then throwing it away.
– ninjagecko
Apr 22 '12 at 21:35
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Why do we need extern “C”{ #include } in C++?
...y than a C compiler would, so when you try to link, you would get a linker error saying there were missing symbols.
To resolve this, we tell the C++ compiler to run in "C" mode, so it performs name mangling in the same way the C compiler would. Having done so, the linker errors are fixed.
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Getting the encoding of a Postgres database
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Because there's more than one way to skin a cat:
psql -l
Shows all the database names, encoding, and more.
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Reverse Y-Axis in PyPlot
I have a scatter plot graph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes up to the max value. I would like the Y-Axis to start at the max value and go up to 0.
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How do I delete multiple rows in Entity Framework (without foreach)
... command to sql like so: WHERE IN ("1, 2, 3"). The database then throws an error because you passed it a string instead of a list of integers.
– JesseNewman19
Aug 1 '16 at 16:42
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Viewing all defined variables [duplicate]
...ython shell. What I want to have is Matlab style listout where you can see all the variables that have been defined up to a point (so I know which names I've used, their values and such).
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How to copy a row and insert in same table with a autoincrement field in MySQL?
... Looks nice, but when I run the first query in MySQL, I get Error Code: 1113. A table must have at least 1 column.
– physicalattraction
Aug 30 '16 at 15:44
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Getting the max value of an enum
...ied, so it's best to use a Long instead (if you're lazily not trapping the error properly!).
– AjV Jsy
Jul 31 '19 at 11:46
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PHP array delete by value (not key)
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I seem to be getting a 'Parse Error' for saying [$element], I used array($element) instead. No biggie, but just wanted anyone who had a similar issue to know that they weren't alone
– Angad
Aug 26 '13 at 14:11
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Why does integer overflow on x86 with GCC cause an infinite loop?
...efined behavior, it means it. Anything can happen. "Anything" includes "usually integers wrap around, but on occasion weird stuff happens".
Yes, on x86 CPUs, integers usually wrap the way you expect. This is one of those exceptions. The compiler assumes you won't cause undefined behavior, and optim...