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SQL “between” not inclusive
...fix this is:
SELECT *
FROM Cases
WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01'
Another way to fix it is with explicit binary comparisons
SELECT *
FROM Cases
WHERE created_at >= '2013-05-01' AND created_at < '2013-05-02'
Aaron Bertrand has a long blog entry on dates...
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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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...
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?
...
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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PHP page redirect [duplicate]
...at, I was always going to have sent headers. And for me this is just a web form bot response. Nice one, thanks.
– SteveCinq
Mar 29 '17 at 6:02
...
How to add leading zeros for for-loop in shell? [duplicate]
...
Use the following syntax:
$ for i in {01..05}; do echo "$i"; done
01
02
03
04
05
Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$...
Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
...Planted}" class="small" th:errorclass="fieldError" />
Applied to a form field tag (input, select, textarea…), it will read the name of the field to be examined from any existing name or th:field attributes in the same tag, and then append the specified CSS class to the tag if such field ha...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
...n-'NA' element,
and give an error if neither works.
as.Date("01 Jan 2000") yields an error because the format isn't one of the two listed above. as.Date("01/01/2000") yields an incorrect answer because the date isn't in one of the two formats listed above.
I take "standard unambiguo...