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Utilizing multi core for tar+gzip/bzip compression/decompression
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There is effectively no CPU time spent tarring, so it wouldn't help much. The tar format is just a copy of the input file with header blocks in between files.
– Mark Adler
Apr 23 '15 at 5:23
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PHP - iterate on string characters
Is there a nice way to iterate on the characters of a string? I'd like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string.
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“rm -rf” equivalent for Windows?
... folder, one can just do robocopy /mir c:\empty .
– Léon Pelletier
Nov 6 '15 at 4:56
The takeown helped me as I copie...
How to set the width of a cell in a UITableView in grouped style
...in a category :) I'd also note that the more transparent objects, the more cpu load :)
– mister koz
Nov 10 '11 at 2:40
11
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Do while loop in SQL Server 2008
... live in an age where our database servers have anywhere between 10 and 20 CPU cores idle at any given moment, and where our storage controllers have their available bandwidth measured in Gigabits, so I'm not sure this conventional "wisdom" that "LOOP = BAD" still applies.
– Ge...
UITableView Cell selected Color?
...gray // You can also use .none, .blue or .default
– Sébastien REMY
Jan 8 '17 at 20:48
7
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In Clojure, when should I use a vector over a list, and the other way around?
...t both ends a list is a pretty terrible choice. A deque is much better (in CPU and especially memory). Try github.com/pjstadig/deque-clojure
– boxed
Dec 24 '13 at 10:00
2
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Why does Java's hashCode() in String use 31 as a multiplier?
... I think the choice of 31 is rather unfortunate. Sure, it might save a few CPU cycles on old machines, but you have hash collisions already on short ascii strings like "@ and #! , or Ca and DB . This does not happen if you choose, for instance, 1327144003, or at least 524287 which also allows bitsh...
Any way to clear python's IDLE window?
I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
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How to append output to the end of a text file
...othySwan, I believe with the -e option.
– Valentin Grégoire
Mar 5 '18 at 7:44
echo does not remove newlines from the ...