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How to include (source) R script in other scripts
... # load the file
assign(".files", c(file, files), envir=ENV) # set the flag
}
} else {
ENV <- attach(NULL, name=env) # create/attach new environment
sys.source(file, ENV) # load the file
assign(".files", file, envir=ENV) # set the flag
}
}
...
How to get the system uptime in Windows? [closed]
I am using windows 7 and xp. I want to know the uptime of the system.
3 Answers
3
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Nested JSON objects - do I have to use arrays for everything?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
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Difference between natural join and inner join
...G or ON -- and, as Jonathan Leffler pointed out, select the desired result-set columns to avoid "duplicates" if desired.
Happy coding.
(The NATURAL keyword can also be applied to LEFT and RIGHT joins, and the same applies. A NATURAL LEFT/RIGHT join is just a short syntax for a specific LEFT/RIGHT j...
Start a git commit message with a hashmark (#)
...t if it's already in the prepared message, find another char in a small subset. This should stop surprises because git strips some lines unexpectedly.
Note that git is not smart enough to recognize '#' as the comment char in custom templates and convert it if the final comment char is different.
It ...
IE7 Z-Index Layering Issues
I've isolated a little test case of IE7's z-index bug, but don't know how to fix it.
I have been playing with z-index all day long.
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ISO time (ISO 8601) in Python
I have a file. In Python, I would like to take its creation time, and convert it to an ISO time (ISO 8601) string while preserving the fact that it was created in the Eastern Time Zone (ET) .
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Turn a simple socket into an SSL socket
...ddr, &clilen);
sslctx = SSL_CTX_new( SSLv23_server_method());
SSL_CTX_set_options(sslctx, SSL_OP_SINGLE_DH_USE);
int use_cert = SSL_CTX_use_certificate_file(sslctx, "/serverCertificate.pem" , SSL_FILETYPE_PEM);
int use_prv = SSL_CTX_use_PrivateKey_file(sslctx, "/serverCertificate.pem", SSL_FIL...
How to calculate the angle between a line and the horizontal axis?
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First find the difference between the start point and the end point (here, this is more of a directed line segment, not a "line", since lines extend infinitely and don't start at a particular point).
deltaY = P2_y - P1_y
del...
Concatenating two std::vectors
...d only add code to first get the number of elements each vector holds, and set vector1 to be the one holding the greatest. Should you do otherwise you're doing a lot of unnecessary copying.
– Joe Pineda
Oct 14 '08 at 16:11
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