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Ruby / Rails - Change the timezone of a Time, without changing the value
...along the lines of
ActiveSupport::TimeZone.new('America/New_York').local_to_utc(t)
This says convert this local time (using the zone) to utc. If you have Time.zone set then you can of course to
Time.zone.local_to_utc(t)
This won't use the timezone attached to t - it assumes that it's local to...
Plurality in user messages
Many times, when generating messages to show to the user, the message will contain a number of something that I want to inform the customer about.
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Referring to a Column Alias in a WHERE Clause
...E ( DATEDIFF(day, maxlogtm, GETDATE() > 120)
Normally you can't refer to field aliases in the WHERE clause. (Think of it as the entire SELECT including aliases, is applied after the WHERE clause.)
But, as mentioned in other answers, you can force SQL to treat SELECT to be handled before the WH...
Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
By using Thymeleaf as template engine, is it possible to add/remove dynamically a CSS class to/from a simple div with the th:if clause?
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How to detect IE11?
When I want to detect IE I use this code:
15 Answers
15
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SQL Server, convert a named instance to default instance?
I need to convert a named instance of SQL server 2005, to a default instance.
7 Answers
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Understanding MongoDB BSON Document size limit
...
First off, this actually is being raised in the next version to 8MB or 16MB ... but I think to put this into perspective, Eliot from 10gen (who developed MongoDB) puts it best:
EDIT: The size has been officially 'raised' to 16MB
So, on your blog example, 4MB is
actually a whole ...
OpenID vs. OAuth [duplicate]
...is really the difference between OpenID and oAuth? They look just the same to me.
5 Answers
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...esult of evaluating the expression itself.
++i increments i and evaluates to the new value of i.
i++ evaluates to the old value of i, and increments i.
The reason this doesn't matter in a for loop is that the flow of control works roughly like this:
test the condition
if it is false, terminate
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Is it possible to use pip to install a package from a private GitHub repository?
I am trying to install a Python package from a private GitHub repository. For a public repository, I can issue the following command which works fine:
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