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Is there any way to use a numeric type as an object key?
...a string via the toString method.
> var foo = {}
undefined
> foo[23213] = 'swag'
'swag'
> foo
{ '23213': 'swag' }
> typeof(Object.keys(foo)[0])
'string'
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
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edited Apr 3 '16 at 16:20
Axeman
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How to validate an Email in PHP?
... Manual should suffice.
Update 1: As pointed out by @binaryLV:
PHP 5.3.3 and 5.2.14 had a bug related to
FILTER_VALIDATE_EMAIL, which resulted in segfault when validating
large values. Simple and safe workaround for this is using strlen()
before filter_var(). I'm not sure about 5.3.4 fin...
Python list subtraction operation
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346
Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - in...
TypeError: not all arguments converted during string formatting python
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answered Aug 5 '13 at 8:19
nneonneonneonneo
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How to subtract date/time in JavaScript? [duplicate]
...e() - new Date(dateStr.replace(/-/g,'/')));
i.e. turning "2011-02-07 15:13:06" into new Date('2011/02/07 15:13:06'), which is a format the Date constructor can comprehend.
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How can I check for NaN values?
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1389
math.isnan(x)
Return True if x is a NaN (not a number), and False otherwise.
>>>...
How to handle anchor hash linking in AngularJS
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377
You're looking for $anchorScroll().
Here's the (crappy) documentation.
And here's the source...
How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?
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3 Answers
3
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Using a dictionary to count the items in a list [duplicate]
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in 2.7 and 3.1 there is special Counter dict for this purpose.
>>> from collections import Counter
>>> Counter(['apple','red','apple','red','red','pear'])
Counter({'red': 3, 'apple': 2, 'pear': 1})
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