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Get Image size WITHOUT loading image into memory
...ulo Scardine (based on code from Emmanuel VAÏSSE)
#
# Created: 26/09/2013
# Copyright: (c) Paulo Scardine 2013
# Licence: MIT
#-------------------------------------------------------------------------------
#!/usr/bin/env python
import os
import struct
class UnknownImageFormat(Exception)...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...aperclip is the convenience layer for S3 storage.
– s01ipsist
Oct 1 '14 at 5:39
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Is a Python dictionary an example of a hash table?
...te experimentation I found this hash collision:
>>> hash(1.1)
2040142438
>>> hash(4504.1)
2040142438
Yet it doesn't break the dictionary:
>>> d = { 1.1: 'a', 4504.1: 'b' }
>>> d[1.1]
'a'
>>> d[4504.1]
'b'
Sanity check:
>>> for k,v in d.ite...
What's the fastest algorithm for sorting a linked list?
...
101
It is reasonable to expect that you cannot do any better than O(N log N) in running time.
Ho...
How do I temporarily disable triggers in PostgreSQL?
...on:
SET session_replication_role = DEFAULT;
Source: http://koo.fi/blog/2013/01/08/disable-postgresql-triggers-temporarily/
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What is aria-label and how should I use it?
...the aria-label rather that the title attribute here: http://www.w3.org/TR/2014/NOTE-WCAG20-TECHS-20140916/ARIA14 in a similar example, you can see that the technology support does not include standard browsers : http://www.w3.org/WAI/WCAG20/Techniques/ua-notes/aria#ARIA14
In fact aria-label, in thi...
Python multiprocessing PicklingError: Can't pickle
...ult object at 0x10504f8d0>
>>> res = _
>>> res.get()
101
Get pathos (and if you like, dill) here:
https://github.com/uqfoundation
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Express.js - app.listen vs server.listen
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answered Mar 20 '17 at 11:01
Ivan TalalaevIvan Talalaev
3,84744 gold badges3131 silver badges4040 bronze badges
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What is the difference between old style and new style classes in Python?
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edited Feb 2 at 11:01
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Set value to null in WPF binding
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edited Jul 24 '11 at 8:01
bargz
6311 silver badge44 bronze badges
answered Dec 13 '09 at 3:28
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