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When should I use Debug.Assert()?
...uild your project in Release mode, all validations/error-checking will be gone.
– Oscar Mederos
May 7 '11 at 8:31
28
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Ruby: Can I write multi-line string with no concatenation?
...eeded (easy multi-line concatenation WITHOUT extra whitespace), but since none of the actual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' using implicit concatenation'\
' to prevent spare \n\'s'
=> "this is a multi-line string using implicit concatenation ...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
...es are only worth your time for things that really matter. This just isn't one of those things. As you can see, everyone has a pet way of writing an unending loop. Pick for yourself whatever makes you happiest for the little things, and then run your profiler on the code that matters. :)
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How to atomically delete keys matching a pattern using Redis
...0, you can run lua scripts, which execute atomically. I have never written one, but I think it would look something like this
EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 prefix:[YOUR_PREFIX e.g delete_me_*]
Warning: As the Redis document says, because of performance ...
Tab Vs Space preferences in Vim
... ' : 'no')
echohl ModeMsg
echon 'expandtab'
finally
echohl None
endtry
endfunction
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Best way to obfuscate an e-mail address on a website?
...to enter it in to a random, shady-looking form at the site you linked to. Honeypotting, anyone? :)
– srobinson
Apr 3 '15 at 14:45
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What does status=canceled for a resource mean in Chrome Developer Tools?
... e.g. HTTP 400 error code, etc)
In our case we finally traced it down to one frame trying to append HTML to another frame, that sometimes happened before the destination frame even loaded. Once you touch the contents of an iframe, it can no longer load the resource into it (how would it know where...
How to disallow temporaries
..., it is again a bad (read worse) workaround. Because we are back to square one after undefining it, which means that you will not get a compilation error (which the OP intended) on a similar line i.e., Foo("Hi") inside Foo.cpp now
– Aamir
Nov 1 '12 at 12:59
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Difference between map, applymap and apply methods in Pandas
...lue depends on the function.
Fourth major difference (the most important one): USE CASE
map is meant for mapping values from one domain to another, so is optimised for performance (e.g., df['A'].map({1:'a', 2:'b', 3:'c'}))
applymap is good for elementwise transformations across multiple rows/col...
Send email using the GMail SMTP server from a PHP page
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could anyone please give me a link where I can get the Mail.php file. Because I tried it and it would not work Thanks
– Yoosuf
Apr 17 '11 at 6:52
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