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Difference between HEAD and master
... commit of the branch you are currently on." I think this is misleading at best. If you checkout an older commit, then HEAD is now a pointer to that older commit, not to the most recent commit. Right?
– LarsH
Mar 17 '16 at 16:36
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How can I output UTF-8 from Perl?
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TMTOWTDI, chose the method that best fits how you work. I use the environment method so I don't have to think about it.
In the environment:
export PERL_UNICODE=SDL
on the command line:
perl -CSDL -le 'print "\x{1815}"';
or with binmode:
binmode(STD...
What scalability problems have you encountered using a NoSQL data store? [closed]
...sider adding a cronjob there... 0o).
In a summary, CouchDB was surely the best choice (or at least a better choice than MySQL) for this subproject and it does its job well.
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Should the hash code of null always be zero, in .NET
...d have been anything at all. I tend to agree that 0 wasn't necessarily the best choice, but it's one that probably leads to fewest bugs.
A hash function absolutely must return the same hash for the same value. Once there exists a component that does this, this is really the only valid value for the...
Remove duplicated rows using dplyr
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Most of the time, the best solution is using distinct() from dplyr, as has already been suggested.
However, here's another approach that uses the slice() function from dplyr.
# Generate fake data for the example
library(dplyr)
set.seed(123)
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How can I build multiple submit buttons django form?
...ven's answer is more in the right direction, but still not necessarily the best answer
– Patrick
Aug 6 '14 at 6:25
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Getting and removing the first character of a string
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substring is definitely best, but here's one strsplit alternative, since I haven't seen one yet.
> x <- 'hello stackoverflow'
> strsplit(x, '')[[1]][1]
## [1] "h"
or equivalently
> unlist(strsplit(x, ''))[1]
## [1] "h"
And you can ...
Loading cross-domain endpoint with AJAX
...ith YQL and jQuery
Cross-domain requests with jQuery.ajax
Heads up!
The best way to overcome this problem, is by creating your own proxy in the back-end, so that your proxy will point to the services in other domains, because in the back-end not exists the same origin policy restriction. But if y...
Closing JDBC Connections in Pool
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Actually, the best approach to connection management is to not farm them out to any code anywhere.
Create a SQLExecutor class that is the one and only location which opens and closes connections.
The entire rest of the application th...
How can I install from a git subdirectory with pip?
...pts, use double quotes around arguments to be on the safe side. for more best practices see: shellcheck.net or github.com/koalaman/shellcheck
– Erik Aronesty
Jan 17 '19 at 15:38
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