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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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How to generate random SHA1 hash to use as ID in node.js?
...More research would be required to know if that number is on-par with a uniform distribution of v8's Math.random implementation
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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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How can I generate Unix timestamps?
... %T %Z %Y" "`date`" "+%s"
Takes the output of date, which will be in the format defined by -f, and then prints it out (-j says don't attempt to set the date) in the form +%s, seconds since epoch.
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How can I improve my paw detection?
...nd_paws(data, smooth_radius=5, threshold=0.0001):
data = sp.ndimage.uniform_filter(data, smooth_radius)
thresh = data > threshold
filled = sp.ndimage.morphology.binary_fill_holes(thresh)
coded_paws, num_paws = sp.ndimage.label(filled)
data_slices = sp.ndimage.find_objects(code...
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...
Return JSON response from Flask view
...on that analyzes a CSV file with Pandas and produces a dict with summary information. I want to return the results as a response from a Flask view. How do I return a JSON response?
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LEFT OUTER joins in Rails 3
...ult when you pass ActiveRecord::Base#joins a named association, it will perform an INNER JOIN. You'll have to pass a string representing your LEFT OUTER JOIN.
From the documentation:
:joins - Either an SQL fragment for additional joins like "LEFT JOIN
comments ON comments.post_id = id" (rarel...
Visual Studio 2012 Express is suddenly “incompatible with this version of Windows”?
...ing this problem. I reinstalled VS 2012 but no luck. Installing the update form this answer fixed the issue.
– user3885927
Apr 1 '16 at 19:43
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