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Can I set variables to undefined or pass undefined as an argument?
...ed object later on in the script it'll go wrong in a weird way that's much more difficult to track down than if JavaScript had just thrown an error straight away.)
This is often used to check for the existence of properties:
if (o.prop!==undefined) // or often as truthiness test, if (o.prop)
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Why is NaN not equal to NaN? [duplicate]
...n the very post you quoted: ` Many commenters have argued that it would be more useful to preserve reflexivity of equality and trichotomy on the grounds that adopting NaN != NaN doesn’t seem to preserve any familiar axiom. I confess to having some sympathy for this viewpoint, so I thought I would ...
Haskell offline documentation?
...es, if any, for getting offline docs for Haskell core libraries (and maybe more)?
9 Answers
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...the float/double/long double overloads (my emphasis, and paraphrased):
Moreover, there shall be additional overloads sufficient to ensure that, if any argument corresponding to a double parameter has type double or an integer type, then all arguments corresponding to double parameters are effect...
Show current assembly instruction in GDB
...You can switch to assembly layout in GDB:
(gdb) layout asm
See here for more information. The current assembly instruction will be shown in assembler window.
┌────────────────────────────────────────────...
Bash history without line numbers
...mand was padding the line numbers with spaces and now the cut syntax makes more sense :) Thanks @Keith Thompson for your solution that will work for > 100k histories.
– cwd
Aug 18 '11 at 16:00
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What is the benefit of using $() instead of backticks in shell scripts?
...kdb you're right about the x=$(f) working without quotes. I should've been more specific; I was proposing to use libdir=$(dirname "$(dirname "$(which gcc)")")/lib (quotes around the inner command substitutions). If left unquoted, you are still subject to the usual word splitting and glob expansion.
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Why is Linux called a monolithic kernel?
...lds-Tanenbaum debate on kernel design'. It's even funnier to read in 2013, more than 20 years after it transpired. The funniest part was Linus' signature in one of the last messages:
Linus "my first, and hopefully last flamefest" Torvalds
Obviously, that did not come true any more than Tanenbaum'...
Converting List to List
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It will be nice if there are more ready functions beside Functions.toStringFunction()
– ThiamTeck
Sep 7 '10 at 6:58
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