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How do you append to an already existing string?

... edited Feb 17 '17 at 10:23 lleaff 3,4451212 silver badges2222 bronze badges answered Feb 12 '10 at 7:16...
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Once upon a time, when > was faster than < … Wait, what?

... 349 If I understand correctly, performance-wise, flipping the sign of Z and the depth test is n...
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What's the difference between .so, .la and .a library files?

... 320 .so files are dynamic libraries. The suffix stands for "shared object", because all the applic...
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ModelState.AddModelError - How can I add an error that isn't for a property?

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How can I use “puts” to the console without a line break in ruby on rails?

... idlefingersidlefingers 29.3k55 gold badges7777 silver badges6868 bronze badges ...
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PHP namespaces and “use”

... Tomas Prado 3,03633 gold badges1818 silver badges3434 bronze badges answered May 10 '12 at 21:17 cmbuckleycmbuckl...
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Catching error codes in a shell pipe

...ng uses: tmp=${TMPDIR:-/tmp}/mine.$$ trap 'rm -f $tmp.[12]; exit 1' 0 1 2 3 13 15 ...if statement as before... rm -f $tmp.[12] trap 0 1 2 3 13 15 The first trap line says 'run the commands 'rm -f $tmp.[12]; exit 1' when any of the signals 1 SIGHUP, 2 SIGINT, 3 SIGQUIT, 13 SIGPIPE, or 15 SIGTERM o...
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Multiline bash commands in makefile

... 138 You can use backslash for line continuation. However note that the shell receives the whole com...
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Best way to iterate through a Perl array

...he array elements occurs. ($_ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.) #5 might be similar. In terms memory usage: They're all the same except for #5. for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the...
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How to use Bash to create a folder if it doesn't already exist?

... Maxim SloykoMaxim Sloyko 12.3k77 gold badges3535 silver badges4646 bronze badges ...