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How to get filename without extension from file path in Ruby
...turns the last component of the filename given in file_name, which must be formed using forward slashes (``/’’) regardless of the separator used on the local file system. If suffix is given and present at the end of file_name, it is removed.
File.basename("/home/gumby/work/ruby.rb") #=&...
One line if statement not working
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Remove if from if @item.rigged ? "Yes" : "No"
Ternary operator has form condition ? if_true : if_false
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MySQL Query to select data from last week?
Hi I have a table with a date field and some other information.
I want to select all entries from the past week, (week start from Sunday).
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Which is better: … or …
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
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If Python is interpreted, what are .pyc files?
... files they're given, whether they compile the sources to some lower level forms (and, if so, which form -- and whether they save such compiled forms, to disk or elsewhere), how they execute said forms, and so forth.
The classical implementation, CPython, is often called just "Python" for short -- ...
Controlling a USB power supply (on/off) with Linux
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Note. The information in this answer is relevant for the older kernels (up to 2.6.32). See tlwhitec's answer for the information on the newer kernels.
# disable external wake-up; do this only once
echo disabled > /sys/bus/usb/devices...
How does the HyperLogLog algorithm work?
...le. Assume you have two elements and your hash function which gives values form 0 to 2^10 produced 2 values: 344 and 387. You decided to have 16 buckets. So you have:
0101 011000 bucket 5 will store 1
0110 000011 bucket 6 will store 4
By having more buckets you decrease the variance (you use sl...
How do I stop Chrome from yellowing my site's input boxes?
Among other text and visual aids on a form submission, post-validation, I'm coloring my input boxes red to signify the interactive area needing attention.
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How to display HTML tags as plain text [duplicate]
I have an input form on my website where HTML is allowed and I'm trying to add instructions about the use of HTML tags. I'd like the text to
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How to properly document S4 class slots using Roxygen2?
...0, current as of 5.0.1.
For S4, the best practice is documentation in the form:
#' \section{Slots}{
#' \describe{
#' \item{\code{a}:}{Object of class \code{"numeric"}.}
#' \item{\code{b}:}{Object of class \code{"character"}.}
#' }
#' }
This is consistent with the internal repr...