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Change R default library path using .libPaths in Rprofile.site fails to work
...ry/Frameworks/R.framework/Versions/2.15/Resources/library"
[2] "/Users/user_name/userLibrary"
The .libPaths function is a bit different than most other nongraphics functions. It works via side-effect. The functions Sys.getenv and Sys.setenv that report and alter the R environment variables have ...
Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
...
Does Python have a package/module management system?
... manager until 2014.
Until Pip, the de facto standard was a command easy_install. It was woefully inadequate. The was no command to uninstall packages.
Pip was a massive improvement. It had most the features of Ruby's Gem. Unfortunately, Pip was--until recently--ironically difficult to install. ...
How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...very last lines of corresponding manual page (faqs.org/docs/bashman/bashref_56.html) which I didn't read to the end.
– Tianyi Cui
Aug 18 '10 at 22:22
...
Simplest way to profile a PHP script
...
The PECL APD extension is used as follows:
<?php
apd_set_pprof_trace();
//rest of the script
?>
After, parse the generated file using pprofp.
Example output:
Trace for /home/dan/testapd.php
Total Elapsed Time = 0.00
Total System Time = 0.00
Total User Time = 0.00
...
Is there a better alternative than this to 'switch on type'?
...erscore if you don't need access to the object: case UnauthorizedException _:
– Assaf S.
Mar 7 '18 at 10:39
...
How can I use jQuery in Greasemonkey scripts in Google Chrome?
...site request policy of the target page applies - (e.g. I had to reinject GM_xmlhttpRequest before seeing that it did not help me). In the end I simply copy pasted the code of jquery.min.js.
– Jean Hominal
Mar 16 '13 at 14:51
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How to send file contents as body entity using cURL
...ry headers that match what the service is expecting: --header: "<header_name>:<header_value>" as a single string.
– Roy Hinkley
Jul 27 '17 at 18:36
...
Mongoose's find method with $or condition does not work properly
...the 'param' must consist of more than 12 characters.
User.find( { $or:[ {'_id':objId}, {'name':param}, {'nickname':param} ]},
function(err,docs){
if(!err) res.send(docs);
});
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improv...
How to calculate the CPU usage of a process by PID in Linux from C?
...rocess
pgrp pgrp of the process
sid session id
tty_nr tty the process uses
tty_pgrp pgrp of the tty
flags task flags
min_flt number of minor faults
cmin_flt number of minor faults with child's
maj_flt number of major faults
cm...