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How to append rows to an R data frame
...d in R). The next-best solution is to use list, and the worst solution (at least based on these timing results) appears to be rbind.
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TCP loopback connection vs Unix Domain Socket performance
...ink is dead (HTTP 404)... this is why stackoverflow best-practice is to at least provide a short/concise relevant quote from the source URL at the time of the answer writing (then when the link goes down the short summary is still available).
– Trevor Boyd Smith
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Check if database exists in PostgreSQL using shell
...nd stuff.. you check for db existence, which supposingly means you have at least psql, ant thats the least and only command you use! very nice indeed. Besides the subject didn't mention the shell type nor the commands version or distro.. I'd never relay on such a pletora of pipes to system tooling I...
Putting license in each code file? [closed]
...rt of each source file - safest but not required. each file should have at least the "copyright" line and a pointer to where the full notice is found. - only requirement is the copyright line with a pointer to the rest. It's fine to put the full license in one separate file.
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Custom HTTP Authorization Header
...to cause more confusion than it's worth, and will violate the principle of least surprise. It might also lead to interoperability problems for your API client programmers who want to use off-the-shelf tool kits that can only deal with the standard form of typical HTTP headers (such as Authorization)...
Github: Can I see the number of downloads for a repo?
...ithub does not currently show a downloads field in the assets any more (at least using this technique)?
– Demis
Nov 29 '15 at 4:28
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Create Directory if it doesn't exist with Ruby
...worse version: system 'mkdir -p "foo/bar"'
=> true
But that seems (at least to me) as worse approach as you are using external 'tool' which may be unavailable on some systems (although I can hardly imagine system without mkdir, but who knows).
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How does Chrome's “Request Desktop Site” option work?
... 301 and 302 redirects, I know it works with document.location changes (at least as described), and would speculate that it works with <meta> refreshes.
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Stop pip from failing on single package when installing with requirements.txt
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At least with GNU xargs, there's -a flag option, which allows xargs read arguments from file, so this can be done as xargs -n 1 -a requirements.txt pip install. Prevents UUOC and excessive plumbing
– Sergiy...
How to remove the arrow from a select element in Firefox
...ow doesn't work with transparent backgrounds (draw an ugly bg in place, at least on firefox linux)
– kik
Dec 13 '13 at 15:44
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