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How do I (or can I) SELECT DISTINCT on multiple columns?
... the performance of the currently accepted answer by factor 10 - 15 (in my tests on PostgreSQL 8.4 and 9.1).
But this is still far from optimal. Use a NOT EXISTS (anti-)semi-join for even better performance. EXISTS is standard SQL, has been around forever (at least since PostgreSQL 7.2, long before...
Can I add jars to maven 2 build classpath without installing them?
... I always assumed you could create a repository in the project, finally confirmed it, great!
– albfan
Feb 19 '12 at 10:40
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How is mime type of an uploaded file determined by browser?
...r upload, it looks at the first buffer of data it receives and then runs a test on it. These tests try to determine if the file is a known mime type or not, and if known mime type it will simply further test it for which known mime type and take action accordingly. I think IE tries to do this first ...
Compare DATETIME and DATE ignoring time portion
...ne
CONVERT(DATE, GETDATE()) = CONVERT(DATE,'2017-11-16 21:57:20.000')
I test that for MS SQL 2014 by following code
select case when CONVERT(DATE, GETDATE()) = CONVERT(DATE,'2017-11-16 21:57:20.000') then 'ok'
else '' end
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Detect if called through require or directly by command line
...a module');
}
See documentation for this here: https://nodejs.org/docs/latest/api/modules.html#modules_accessing_the_main_module
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How do I compile a Visual Studio project from the command-line?
I'm scripting the checkout, build, distribution, test, and commit cycle for a large C++ solution that is using Monotone , CMake , Visual Studio Express 2008, and custom tests.
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contenteditable, set caret at the end of the text (cross-browser)
...don't think focus and select is required why not comment out the lines and test it?
– dotnethaggis
Jul 19 '17 at 10:41
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difference between use and require
...n the namespace definition:
(ns com.me.project
(:use [clojure.contrib.test-is :only (deftest is run-tests)]))
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Difference between attr_accessor and attr_accessible
...sible becomes sufficient to allow getter/setter to :password and :password_confirmation even though they are not in the database. Very confused ;)
– tentimes
Sep 24 '12 at 18:20
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What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
... the void RenderPartial to start with). Partial is mostly useful (imo) in testing, though as SLaks said there may be some places that you want to manipulate the output before rendering it in production code. They're just rare, imo.
– Paul
Jun 1 '10 at 19:50
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