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How to delete migration files in Rails 3
...ll environments it already ran (production, development, testing, staging, etc) before deleting its file. That's also why I wrote that it's safer to just create another migration to revert that old one, once it's already ran on production.
– Fábio Batista
Apr ...
Displaying the #include hierarchy for a C++ file in Visual Studio
... Perhaps add some details of how to use it, where the documentation is etc.? This answer doesn't add much currently.
– Sam Brightman
Jan 15 '19 at 10:49
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...t just eats up bytes for no reason and potentially increases cache misses, etc.
The noise it makes pretty much makes timing micro-optimizations
impossible.
How can I make sure that such accidental lucky / unlucky alignments
are not interfering when I do micro-optimizations (unrelated to...
View array in Visual Studio debugger? [duplicate]
...ill have to remember that ptr[0] is really ptr[100] and ptr[1] is ptr[101] etc.
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In bash, how does one clear the current input?
...m in any tool which user interface uses the library (Actually Emacs, bash, etc..). You can customize its behavior by editing the .inputrc file (take a look to the link above for more details).
– rkachach
Sep 22 '15 at 15:48
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JMS Topic vs Queues
...he architecture. Added components could be monitoring, logging, analytics, etc.
You never know at the beginning of the project what the requirements will be like in 1 year, 5 years, 10 years. Change is inevitable, embrace it :-)
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How to go back in Eclipse?
...umping around a big project following the execution flow (ctrl + click and etc.), is there a way to retrace a step? If my code calls a method and I go to the method definition, is there a key combination that will take me back to the calling code?
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How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...other parameters as well, which is needed for more complex functions calls etc.
– Andreas Reiff
Jan 25 '18 at 10:22
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How to print a float with 2 decimal places in Java?
...u need to hard-code a "neutral" locale for case-folding, number rendering, etc., specify Locale.ROOT. This would be appropriate for text that will be consumed by another program, rather than rendered for human users. For text presented to a user, honor their locale, whether they specified it explici...
Auto margins don't center image in page
...ow. (display:block or display:table, position:static or position:relative, etc.)
– Phrogz
Apr 20 '11 at 17:26
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