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How do you test that a Python function throws an exception?

...t ahold of the actual Exception object thrown: import unittest def broken_function(): raise Exception('This is broken') class MyTestCase(unittest.TestCase): def test(self): with self.assertRaises(Exception) as context: broken_function() self.assertTrue('This i...
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Get last n lines of a file, similar to tail

... blocks.append(f.read(BLOCK_SIZE)) else: # file too small, start from begining f.seek(0,0) # only read what was not read blocks.append(f.read(block_end_byte)) lines_found = blocks[-1].count('\n') lines_to_go -= lines_found ...
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Chrome hangs after certain amount of data transfered - waiting for available socket

...ins and serve them directly with Nginx for example. Create a subdomain called img.yoursite.com and load all your images from there. Create a subdomain called scripts.yourdomain.com and load all your JS and CSS files from there. Create a subdomain called sounds.yoursite.com and load all your MP3s...
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Standard deviation of a list

... The functions are actually called stdev and pstdev, not using std for standard as one would expect. I couldn't edit the post as edits need to modify at least 6 chars... – mknaf Jan 6 '17 at 16:00 ...
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Find out how much memory is being used by an object in Python [duplicate]

...and internal structures related to object types and garbage collection. Finally, some python objects have non-obvious behaviors. For instance, lists reserve space for more objects than they have, most of the time; dicts are even more complicated since they can operate in different ways (they have a ...
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Rails 4 multiple image or file upload using carrierwave

...tiple_image_upload_carrierwave In gem file gem 'carrierwave' bundle install rails generate uploader Avatar Create post scaffold rails generate scaffold post title:string Create post_attachment scaffold rails generate scaffold post_attachment post_id:integer avatar:string rake db:migrate ...
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How do I get textual contents from BLOB in Oracle SQL

... First of all, you may want to store text in CLOB/NCLOB columns instead of BLOB, which is designed for binary data (your query would work with a CLOB, by the way). The following query will let you see the first 32767 characters (at mo...
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Cross-Domain Cookies

...erver side you need to have the following headers: header("Access-Control-Allow-Origin: http://origin.domain:port"); header("Access-Control-Allow-Credentials: true"); header("Access-Control-Allow-Methods: GET, POST"); header("Access-Control-Allow-Headers: Content-Type, *"); Within the PHP-file yo...
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find filenames NOT ending in specific extensions on Unix?

Is there a simple way to recursively find all files in a directory hierarchy, that do not end in a list of extensions? E.g. all files that are not *.dll or *.exe ...
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what's the correct way to send a file from REST web service to client?

...n begin. My REST service is made on Java and I'm using Jersey, I'm sending all the data using the JSON format. 4 Answers ...