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Image comparison - fast algorithm
I'm looking to create a base table of images and then compare any new images against that to determine if the new image is an exact (or close) duplicate of the base.
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What Are the Differences Between PSR-0 and PSR-4?
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How to override trait function and call it from the overridden function?
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Manually raising (throwing) an exception in Python
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If you want to, you can modify what happens with your new raise - e.g. setting new args for the instance:
def error():
raise ValueError('oops!')
def catch_error_modify_message():
try:
error()
except ValueError:
error_type, error_instance, traceback = sys.exc_info()
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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PHP YAML Parsers [closed]
Does anyone know of a good YAML Parser for PHP? If so, what are the pros and cons of this library?
8 Answers
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Making an iframe responsive
I was reading this stackoverflow post titled "Can you make an iFrame responsive?", and one of the comments/answers led me to this jfiddle.
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Is it expensive to use try-catch blocks even if an exception is never thrown?
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try has almost no expense at all. Instead of doing the work of setting up the try at runtime, the code's metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist t...
Using CSS in Laravel views?
I've just began learning Laravel, and can do the basics of a controller and routing.
18 Answers
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How to implement a many-to-many relationship in PostgreSQL?
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