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Is there shorthand for returning a default value if None in Python? [duplicate]
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answered Dec 21 '15 at 8:21
zoigozoigo
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Rails 3: Get Random Record
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I am working on a project (Rails 3.0.15, ruby 1.9.3-p125-perf) where the db is in localhost and users table has a bit more than 100K records.
Using
order by RAND()
is quite slow
User.order("RAND(id)").first
becomes
SELECT users.* FROM users ORD...
What is the javascript MIME type for the type attribute of a script tag? [duplicate]
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edited Jun 26 '15 at 3:38
Timo Tijhof
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How to make completely transparent navigation bar in iOS 7
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AlanAlan
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Removing duplicate objects with Underscore for Javascript
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tronman
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answered Jul 13 '12 at 21:05
ShanimalShanimal
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C++: How to round a double to an int? [duplicate]
...e (call it x), meant to be 55 but in actuality stored as 54.999999999999943157 which I just realised.
5 Answers
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How do I round a decimal value to 2 decimal places (for output on a page)
...the value of a decimal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places.
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Placeholder Mixin SCSS/CSS
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edited Oct 24 '14 at 15:24
answered Jun 19 '13 at 2:25
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Get current time as formatted string in Go?
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150
Use the time.Now() function and the time.Format() method.
t := time.Now()
fmt.Println(t.Forma...
Combine two ActiveRecord::Relation objects
...re reference, #or method has been added to ActiveRecord::Relation on Jan 2015, and it will be part of Rails 5.0, which will ship in late 2015. It allows use of the OR operator to combine WHERE or HAVING clauses. You can checkout HEAD if you need it prior the official release. See Merge Pull Request ...