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Rails: Using build with a has_one association in rails
... later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile .
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postgresql COUNT(DISTINCT …) very slow
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You can use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;
This is much faster than:
COUNT(DISTINCT column_name)
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Inserting a Link to a Webpage in an IPython Notebook
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For visual learners.
[blue_text](url_here)
Thanks dbliss.
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Assign one struct to another in C
...ree() because they are automatic variables: en.wikipedia.org/wiki/Automatic_variable
– joshdoe
Jun 19 '12 at 16:32
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How to use Swift @autoclosure
...answered Jun 8 '14 at 5:28
eddie_ceddie_c
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How to Test a Concern in Rails
...t I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec?
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JavaScript regex multiline flag doesn't work
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Can I use: caniuse.com/#feat=mdn-javascript_builtins_regexp_dotall MDN: developer.mozilla.org/ru/docs/Web/JavaScript/Reference/…
– Filyus
Aug 19 at 9:44
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Set element focus in angular way
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Controller-as is much simplier with lodash. _.set(scope, attributes.focusOnSaveInput, function() { element.focus(); }).
– Atomosk
Sep 20 '18 at 8:22
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Does Entity Framework Code First support stored procedures?
...ng the built in Database object: context.Database.SqlQuery<Dummy>("sp_GetDummy");
– Steven K.
Mar 23 '11 at 18:50
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What is an MvcHtmlString and when should I use it?
...d my own extension method to make a <link> tag:
<Extension()> _
Public Function CssBlock(ByVal html As HtmlHelper, ByVal src As String, ByVal Optional ByVal htmlAttributes As Object = Nothing) As MvcHtmlString
Dim tag = New TagBuilder("link")
tag.MergeAttribute("type", "text/css...