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Ignoring time zones altogether in Rails and PostgreSQL
...alue representing the count of microseconds from the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH ...
What is default session timeout in ASP.NET?
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107
It is 20 Minutes according to MSDN
From MSDN:
Optional TimeSpan attribute.
Specifies the numb...
Unique constraint that allows empty values in MySQL
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183
Yes, you can do this. See the MySQL reference (version 5.5).
A UNIQUE index creates a cons...
Keep the window's name fixed in tmux
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158
As shown in a comment to the main post: set-option -g allow-rename off in your .tmux.conf file...
jQuery .hasClass() vs .is()
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Update:
I committed a test following a comment and four upvotes to very comment. It turns out ...
How to find a parent with a known class in jQuery?
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501
Assuming that this is .d, you can write
$(this).closest('.a');
The closest method returns the...
UUID max character length
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174
Section 3 of RFC4122 provides the formal definition of UUID string representations. It's 36 c...
Haskell testing workflow
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edited Jan 13 '15 at 16:34
ulidtko
11.5k77 gold badges4343 silver badges8181 bronze badges
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Difference between `set`, `setq`, and `setf` in Common Lisp?
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Originally, in Lisp, there were no lexical variables -- only dynamic ones. And
there was no SE...
find -exec cmd {} + vs | xargs
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Speed difference will be insignificant.
But you have to make sure that:
Your script will no...