大约有 20,000 项符合查询结果（耗时：0.0426秒） [XML]
PostgreSQL disable more output
I am running a script on my PostgreSQL server:
6 Answers
6
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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)
...
Bulk insert with SQLAlchemy ORM
...27847 secs
sqlite3: Total time for 100000 records 0.487842082977 sec
Script:
import time
import sqlite3
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer, String, create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
Base = decla...
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()
...
Avoid modal dismiss on enter keypress
...ed to be able to use enter key as a saving key so I added save_stuff() javascript to onsubmit. return false; is used to prevent the form submit.
<form onsubmit="save_stuff(); return false;">
...
</form>
<script>
function save_stuff(){
//Saving stuff
}
</script&g...
How to store a git config as part of the repository?
...g the contents of your home dir). If you've got something like a configure script or similar that users must run, you could have that set the include (or prompt the user to).
– Hasturkun
Aug 20 '13 at 10:01
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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...
Difference between jQuery’s .hide() and setting CSS to display: none
... display: table-cell;
border: 1px solid;
padding: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p>
<button class="hide">Hide</button>
<button class="show">Show</button>
</p>
...