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Linq with group by having count
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Like this:
from c in db.Company
group c by c.Name into grp
where grp.Count() > 1
select grp.Key
Or, using the method syntax:
Company
.GroupBy(c => c.Name)
.Where(grp => grp.Count() > 1)
.Select(grp => grp.Key);
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Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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13
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What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
Is there any difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout in .NET?
6 Answers
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Can I make the foreign key field optional in Django model
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@WardC The combo of the two is so frequent because typically if you're going to allow a field to be blank in your form, you're going to also need your database to allow NULL values for that field. The exception is CharFields and TextFie...
Query a parameter (postgresql.conf setting) like “max_connections”
... server. It is essentially an alternative interface to the SHOW and
SET commands. It also provides access to some facts about each
parameter that are not directly available from SHOW, such as minimum
and maximum values.
For your original request:
SELECT *
FROM pg_settings
WHERE name = '...
setup cron tab to specific time of during weekdays
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19
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How to pass an array into jQuery .data() attribute
...rockhaus they're both delimiters - quote marks are "string delimiters" and commas are "record delimiters". Only the former are relevant to the OP's question.
– Alnitak
Dec 20 '13 at 18:08
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AngularJS : Where to use promises?
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This is not going to be a complete answer to your question, but hopefully this will help you and others when you try to read the documentation on the $q service. It took me a while to understand it.
Let's set aside AngularJS for a moment and just co...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...he way I understand it, if a client-side script running on a page from foo.com wants to request data from bar.com, in the request it must specify the header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com .
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Converting pfx to pem using openssl
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You can use the OpenSSL Command line tool. The following commands should do the trick
openssl pkcs12 -in client_ssl.pfx -out client_ssl.pem -clcerts
openssl pkcs12 -in client_ssl.pfx -out root.pem -cacerts
If you want your file to be password pr...