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What is scope/named_scope in rails?
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edited Sep 10 '16 at 8:25
Andreas
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answered Feb 2 '11...
Short description of the scoping rules?
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martineau
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answered Nov 15 '08 at 12:47
Rizwan Kass...
How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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When to use a key/value store such as Redis instead/along side of a SQL database?
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102
I can't seem to figure out when it's time to use it in an application.
I would recommend y...
How to declare a global variable in a .js file
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edited Sep 6 '09 at 15:10
answered Jun 3 '09 at 11:48
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Pass a PHP array to a JavaScript function [duplicate]
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In your code, you could use like the following:
drawChart(600/50, <?php echo json_encode($day); ?>, ...)
In cases where you need to parse out an object from JSON-string (like in an AJAX request), the safe way is to use JSON.parse(..) like the below:
var s = "<JSON-String&...
How to get a URL parameter in Express?
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edited Jul 16 '15 at 20:11
answered Nov 20 '13 at 7:11
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What are the advantages of NumPy over regular Python lists?
... lists -- a list of lists as you describe, in Python, would take at least 20 MB or so, while a NumPy 3D array with single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you ...
Convert data.frame column format from character to factor
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201
Hi welcome to the world of R.
mtcars #look at this built in data set
str(mtcars) #allows you ...
Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
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10 Answers
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