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how to create a file name with the current date & time in python?
...me
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so your filename could append or use this string.
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round() doesn't seem to be rounding properly
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answered Sep 11 '08 at 15:11
JimmyJimmy
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“Ago” date/time functions in Ruby/Rails
...tead of mins.
– cbron
Jan 13 '12 at 15:47
4
If you're outside of Rails, require 'active_support' ...
How to know if two arrays have the same values
... they have the same members in any order-
var array1= [10, 6, 19, 16, 14, 15, 2, 9, 5, 3, 4, 13, 8, 7, 1, 12, 18, 11, 20, 17];
var array2= [12, 18, 20, 11, 19, 14, 6, 7, 8, 16, 9, 3, 1, 13, 5, 4, 15, 10, 2, 17];
if(array1.sort().join(',')=== array2.sort().join(',')){
alert('same members');
}
e...
What's the best way to store Phone number in Django models
...exp
One note for your model: E.164 numbers have a max character length of 15.
To validate, you can employ some combination of formatting and then attempting to contact the number immediately to verify.
I believe I used something like the following on my django project:
class ReceiverForm(forms.M...
Calculate the median of a billion numbers
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answered Apr 3 '10 at 14:15
Steve JessopSteve Jessop
251k3131 gold badges420420 silver badges659659 bronze badges
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How to find the installed pandas version
...cessor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1.8.2
scipy: 0.14.0.dev-371b4ff
statsmodels: 0.6.0.dev-a738b4f
IPython: 2.0.0-dev
sphinx: 1.2.2
patsy: 0.3.0
dateutil: 1.5
pytz: 2012c
bottleneck: None
tables: 3.1.1
numexpr...
Float vs Decimal in ActiveRecord
...do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fractions, like compounding interests, or ...
Wget output document and headers to STDOUT
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edited Apr 15 '14 at 15:15
answered Apr 8 '14 at 2:27
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