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Rails 4 LIKE query - ActiveRecord adds quotes
... Is this still valid for Rails 5? Because if I have Movie.where("title ILIKE :s", s: search_string) it gets translated to SELECT 1 AS one FROM "movies" WHERE (title ILIKE 'test') LIMIT $1 by ActiveRecord (Rails 5.1.6) - please notice that there is no percentage symbol after the ILIKE)
...
Number of elements in a javascript object
Is there a way to get (from somewhere) the number of elements in a javascript object?? (i.e. constant-time complexity).
6 A...
Properly close mongoose's connection once you're done
I'm using mongoose in a script that is not meant to run continuously, and I'm facing what seems to be a very simple issue yet I can't find an answer; simply put once I make a call to any mongoose function that sends requests to mongodb my nodejs instance never stops and I have to kill it manually wi...
What's the best Django search app? [closed]
...the API look very cool:
# set up the model
class Event(models.Model):
title = models.CharField(max_length=255)
date = models.DateField()
is_outdoors = models.BooleanField()
index = djangosearch.ModelIndex(text=['title'],
additional=['date', 'is_...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published_at: '2015-10-19 23:00:43.469520'
created_at: '2015-10-20 00:00:43.470739'
updated_at: '2015-10-20 00:00:43.470739'
attributes: !ru...
Principal component analysis in Python
...2)**2))
fig, [ax1, ax2, ax3] = plt.subplots(1, 3)
ax1.imshow(img)
ax1.set_title('true image')
ax2.imshow(noisy.mean(0))
ax2.set_title('mean of noisy images')
ax3.imshow((s[0]**(1./2) * V[:,0]).reshape(img.shape))
ax3.set_title('first spatial PC')
plt.show()
...
How to import existing *.sql files in PostgreSQL 8.4?
...ermination of a line. And I also must remove the GO. Do you t hink the sql script is not a psql script?
– swdev
Feb 27 '12 at 7:02
...
Get second child using jQuery
...').next()
And a more elaborated example:
This code gets the text of the 'title' attribute of the 2nd child element of the UL identified as 'my_list':
$('ul#my_list:first-child').next().attr("title")
In this second example, you can get rid of the 'ul' at the start of the selector, as it's red...
How to set the thumbnail image on HTML5 video?
...name = file_put_contents($thumbs_dir . $file, $data);
}
?>
//jscode
<script type="text/javascript">
var videos = <?= json_encode($videos); ?>;
var video = document.getElementById('video');
video.addEventListener('canplay', function () {
this.currentTime = this.duration / 2;
}...
How can I display an image from a file in Jupyter Notebook?
...it is an absolute path from the web root, i.e. 
– ccpizza
Jun 28 '18 at 17:43
...