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Rails: How can I set default values in ActiveRecord?
...st this case like so:
self.number ||= 0.0 if self.has_attribute? :number
and for a boolean column...
self.bool_field = true if (self.has_attribute? :bool_value) && self.bool_field.nil?
Also note that the syntax is different prior to Rails 3.2 (see Cliff Darling's comment below)
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Intellij IDEA. Hide .iml files
I use Intellij IDEA 12 and I want to hide .iml files in Project view. How I can achieve this?
8 Answers
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Generating an MD5 checksum of a file
Is there any simple way of generating (and checking) MD5 checksums of a list of files in Python? (I have a small program I'm working on, and I'd like to confirm the checksums of the files).
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How to submit form on change of dropdown list?
I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet.
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Query to list all stored procedures
...[master].INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_TYPE = 'PROCEDURE'
AND LEFT(ROUTINE_NAME, 3) NOT IN ('sp_', 'xp_', 'ms_')
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How can I submit a form using JavaScript?
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Set the name attribute of your form to "theForm" and your code will work.
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How do I PHP-unserialize a jQuery-serialized form?
...g on the request type.
The serialize method just takes the form elements and puts them in string form. "varname=val&var2=val2"
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How to delete all data from solr and hbase
How do I delete all data from solr by command? We are using solr with lily and hbase .
18 Answers
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How do I resize a Google Map with JavaScript after it has loaded?
I have a 'mapwrap' div set to 400px x 400px and inside that I have a Google 'map' set to 100% x 100%. So the map loads at 400 x 400px, then with JavaScript I resize the 'mapwrap' to 100% x 100% of the screen - the google map resizes to the whole screen as I expected but tiles start disappearing befo...
How do I disable the security certificate check in Python requests
...rify=False)
<Response [200]>
If you're using a third-party module and want to disable the checks, here's a context manager that monkey patches requests and changes it so that verify=False is the default and suppresses the warning.
import warnings
import contextlib
import requests
from url...