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Rails 4: List of available datatypes
Where can I find a list of data types that can be used in Ruby on Rails 4?
Such as
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Why does Haskell's “do nothing” function, id, consume tons of memory?
Haskell has an identity function which returns the input unchanged. The definition is simple:
1 Answer
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Get record counts for all tables in MySQL database
Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table?
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How can I see which Git branches are tracking which remote / upstream branch?
I know I can do git branch --all , and that shows me both local and remote branches, but it's not that useful in showing me the relationships between them.
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Detect if value is number in MySQL
Is there a way to detect if a value is a number in a MySQL query? Such as
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How to jump to a specific character in vim?
How can I jump to the next character X in vim?
4 Answers
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Chained method calls indentation style in Python [duplicate]
From reading PEP-8, I get it that you should put the closing parenthesis on the same line as the last argument in function calls:
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GitHub “fatal: remote origin already exists”
I am trying to follow along Michael Hartl's Rails tutorial but I've run across an error.
19 Answers
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django models selecting single field
I have a table/models called Employees and I would like to get all rows of a single field as a queryset.
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Java: How to set Precision for double value? [duplicate]
I was working with numbers recently and I had a situation where I want to set the precision of a double value say to 6 digits or 4 digits, depending on the value stored in the database.
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