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Is there any advantage of using map over unordered_map in case of trivial keys?
...ments but if you call it at the start, then there should be no penalty, at least according to cplusplus.com/reference/unordered_map/unordered_map/reserve
– Richard Fung
Mar 3 '14 at 21:50
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How do I escape the wildcard/asterisk character in bash?
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Why in hell? printf is a separate process (at least, not a built-in in bash) and the use of printf you demonstrate has no benefit over echo.
– ddaa
Sep 19 '08 at 14:35
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Prevent users from submitting a form by hitting Enter
...to the condition, or else newlines inside a textarea are blocked (in IE at least).
– Flash
Aug 8 '12 at 6:47
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How to check if a number is a power of 2
...ue of a number you perform a bitwise negation and add 1 to the result. The least significant bit of i which is set will also be set in -i. The bits below that will be 0 (in both values) while the bits above it will be inverted with respect to each other. The value of i & -i will therefore be th...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...ndas.to_datetime
You can try it with other formats then '%Y-%m-%d' but at least this works.
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What's wrong with Groovy multi-line String?
... test
test""".stripIndent()
Because of
The line with the least number of leading spaces determines the number to remove.
you need to also indent the first "test" and not put it directly after the inital """ (the \ ensures the multi-line string does not start with a newline).
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Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
...r will not be shown anymore (you can see it only through scrolling up). At least for me it is not shown
– Ruzard
Dec 15 '12 at 16:49
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awk without printing newline
...0, since $0 may contain strings like %F, etc... Following easily fails (at least with GAWK 3.1.5): echo "%F"|awk '{printf $0}'. Use the printf "%s",$0 instead.
– Vlad
Dec 21 '16 at 5:51
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Reduce git repository size
...te's .git folder. To keep the size reduction changes you likely have to at least push them yourself first. If you don't control the remote you're out of luck, but you could always make your own fork
– rjm27trekkie
Jul 31 at 22:23
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Two statements next to curly brace in an equation
...oduces
Notice that here, math must be delimited by \(...\) or $...$, at least on the right of & in each line (reference).
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