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How to include (source) R script in other scripts
...nment and uses sys.source to source the file if not.
Here's a quick and untested function (improvements welcome!):
include <- function(file, env) {
# ensure file and env are provided
if(missing(file) || missing(env))
stop("'file' and 'env' must be provided")
# ensure env is character
...
Android accelerometer accuracy (Inertial navigation)
... calibrating methods. Seems your suggestion is what I need. I just need to confirm. Once I find the mode, say it is 0.5. I didn't get the "Then find the number of digital points by how much the output fluctuates and use that for your filtering." Could you please elaborate on it more.
...
Auto-loading lib files in Rails 4
...y request in development, but only once (during boot-up) in production and test.
Rails.logger.info "\n--- Loading extensions for #{self.class} "
Dir.glob("#{Rails.root}/lib/extensions/**/*.rb").sort.each do |entry|
Rails.logger.info "Loading extension(s): #{entry}"
require_dependency "#{entr...
Can a Windows batch file determine its own file name?
...he file name, but in your examples you use n for the file name. After some testing, it seems that f is the full path, and n is the file name.
– Drew Chapin
Oct 9 '15 at 12:10
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Plotting time in Python with Matplotlib
... using pyplot.plot (after parsing them from their string representation). (Tested with matplotlib versions 1.2.0 and 1.3.1.)
Example:
import datetime
import random
import matplotlib.pyplot as plt
# make up some data
x = [datetime.datetime.now() + datetime.timedelta(hours=i) for i in range(12)]
y ...
Revert a range of commits in git
...using) in the reference: git revert -n master~5..master~2, it says fifth latest commit included. But master~5 is actually 6th latest commit. See revision selection in git docs for detailed info about .. notation :-)
– Honza Haering
Feb 3 '17 at 15:09
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Add custom icons to font awesome
...want to use it for most of the icons on my site but there are a few custom svg icons that I'd need in addition to what's offered.
...
Inspect element that only appear when other element is mouse overed/entered
...ill stay visible, you will then be able to inspect it in the Element tab.
Tested on Chrome. Doesn't seem to work on Firefox.
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log4j logging hierarchy order
...application, this java logging mode should only be used on Development and Testing environment and must not be used in production environment.
INFO is more restricted than DEBUG java logging level and we should log messages which are informative purpose like Server has been started, Incoming messag...
string c_str() vs. data()
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@BrianR.Bondy I tried this code: .. auto str = string { "Test \0String!" }; cout << "DATA : " << str.data() << endl; The output is "Test" and not the whole string, What did I do wrong?
– programmer
Sep 19 '15 at 15:45
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