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Disable cache for some images
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Please note: You do not actually prevent the browser from caching the image, you only prevent looking at the cached image. Applying proper headers to your image is the best way imho (see the solution of lhunath below). Since this way you also fill the c...
not None test in Python [duplicate]
...r of the latter two, since val could potentially be of a type that defines __eq__() to return true when passed None.
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What is the difference between integration testing and functional testing? [closed]
...your system or the database interacts with your data abstraction layer. Usually this requires an fully installed system, although in its purest forms it does not.
Functional testing is when you test the system against the functional requirements of the product. Product/Project management usually wr...
In Rails - is there a rails method to convert newlines to ?
...imple_format
Example:
simple_format(mystring)
Note that simple_format allows basic HTML tags, but also passes text through sanitize which removes all scripts, so it should be safe for user input.
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What's Alternative to Singleton
...singleton in the unit testing because we can test different configurations all at once.
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MongoDB with redis
...oDB does not have yet an expiration mechanism. Capped collections cannot really be used to implement a real TTL. Redis has a TTL-based expiration mechanism, making it convenient to store volatile data. For instance, user sessions are commonly stored in Redis, while user data will be stored and index...
How to read all files in a folder from Java?
How to read all the files in a folder through Java?
31 Answers
31
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Maximum size of a element
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Updated 10/13/2014
All tested browsers have limits to the height/width of canvas elements, but many browsers also limit the total area of the canvas element. The limits are as follows for the browsers I'm able to test:
Chrome:
Maximum height/...
Get the first element of each tuple in a list in Python [duplicate]
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Use a list comprehension:
res_list = [x[0] for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_li...
HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS
...uppose the application is set up to perform client authentication automatically. The user expects to be surfing anonymously because he's using HTTP. But if his client follows HTTPS without asking, his identity is revealed to the server.
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