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How to check if object (variable) is defined in R?
... looking for exists. Keep in mind that using exists with names used by R's base packages would return true regardless of whether you defined the variable:
> exists("data")
[1] TRUE
To get around this (as pointed out by Bazz; see ?exists), use the inherits argument:
> exists("data", inherit...
Remove border radius from Select tag in bootstrap 3
... background-repeat: no-repeat;
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAMCAYAAABSgIzaAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyJpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldG...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
... Shaihi
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answered Jul 15 '09 at 19:56
GuffaGuffa
618k9090 gold badges...
Why can't static methods be abstract in Java?
... Unfortunately Java doesn't let you specify that when creating an abstract base class (or an interface).
– Michael Carman
Mar 29 '11 at 20:10
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Get a list of all threads currently running in Java
...ick'n'dirty test showed, it's about 70-80 times faster than the stacktrace-based solution. For monitoring, a small performance imprint is essential, as you you'll want to keep the effects on the monitored system as small as possible (Heisenberg strikes again :) For debugging, where you may need more...
Using IPython notebooks under version control
...nb, although it would at least keep git diff notebook_file.ipynb free from base64 garbage).
that said, incidentally if you do pull code (i.e. committed by someone else not using this approach) which contains some output, the output is checked out normally. Only the locally produced output is lost.
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Why doesn't Java support unsigned ints?
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UriUri
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How does one change the language of the command line interface of Git?
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With Git for Windows 2.x (64 bit) this will be in C:\Program Files\Git\mingw64\share\locale\$LANG\LC_MESSAGES\git.mo.
– Koraktor
Wireshark localhost traffic capture [closed]
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Please try Npcap: https://github.com/nmap/npcap, it is based on WinPcap and supports loopback traffic capturing on Windows. Npcap is a subproject of Nmap (http://nmap.org/), so please report any issues on Nmap's development list (http://seclists.org/nmap-dev/).
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