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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...o, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get a result set back that looks like this:
{[nil, nil]=>512,
["Joe", "test@test.c...
Best practices to handle routes for STI subclasses in rails
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This is the simplest solution I was able to come up with with minimal side effect.
class Person < Contact
def self.model_name
Contact.model_name
end
end
Now url_for @person will map to contact_path as expected.
How it works: URL helpers rely on YourModel...
HTTP Basic Authentication credentials passed in URL and encryption
...encrypted? Is the same true for GETs and POSTs
Yes, yes yes.
The entire communication (save for the DNS lookup if the IP for the hostname isn't already cached) is encrypted when SSL is in use.
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Javascript Confirm popup Yes, No button instead of OK and Cancel
...that can build a DOM-based dialog instead. Try Jquery UI: http://jqueryui.com/
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Mongoose query where value is not null
.../reference/operator/query The up-to-date doc about it, is here: mongoosejs.com/docs/api.html#query_Query-ne
– zeropaper
Jul 20 '14 at 7:52
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How to send cookies in a post request with the Python Requests library?
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What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
... when the job just can't be done with a basic Forms control.
Many user's computers by default won't trust ActiveX, and it will be disabled; this sometimes needs to be manually added to the trust center. ActiveX is a microsoft-based technology and, as far as I'm aware, is not supported on the Mac. ...
Position icons into circle
...wice half the size of the images.
We don't yet know the radius, but we can compute it if we know the number of edges (and therefore the tangent of half the base angle, precomputed and set as a custom property --tan) and the polygon edge. We probably want the polygon edge to be a least the size of th...
SFTP Libraries for .NET [closed]
Can anyone recommend a good SFTP library to use? Right now I'm looking at products such as SecureBlackbox, IPWorks SSH, WodSFTP, and Rebex SFTP. However, I have never used any SFTP library before so I'm not sure what I'm looking for.
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Git remote branch deleted, but still it appears in 'branch -a'
... branches." according to the Git documentation found here: https://git-scm.com/docs/git-branch
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