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How to find Unused Amazon EC2 Security groups
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This is the sample code written in boto (Python SDK for AWS) to list the Security Group against number of instances it is associated with.
You may use this logic to obtain the same in command line as well
Boto Code
import boto
ec2 = boto.connect_ec2()
sgs = ec2.g...
What is the pythonic way to detect the last element in a 'for' loop?
I'd like to know the best way (more compact and "pythonic" way) to do a special treatment for the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one.
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Sublime 3 - Set Key map for function Goto Definition
...ault (Windows).sublime-mousemap in %appdata%\Sublime Text 3\Packages\User
Linux - create Default (Linux).sublime-mousemap in ~/.config/sublime-text-3/Packages/User
Mac - create Default (OSX).sublime-mousemap in ~/Library/Application Support/Sublime Text 3/Packages/User
Now open that file and put ...
How is set() implemented?
I've seen people say that set objects in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of data structure does it use? What other implications does that implementation have?
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Are list-comprehensions and functional functions faster than “for loops”?
In terms of performance in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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Python: Ignore 'Incorrect padding' error when base64 decoding
...ding === always works. Any extra = chars are seemingly safely discarded by Python.
– Acumenus
Nov 24 '19 at 21:30
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Python function global variables?
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Within a Python scope, any assignment to a variable not already declared within that scope creates a new local variable unless that variable is declared earlier in the function as referring to a globally scoped variable with the keywo...
are there dictionaries in javascript like python?
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Actually, Python allows statement-terminating semicolons, so the first example is completely valid both in Python and JavaScript
– celticminstrel
Oct 15 '15 at 22:45
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...i via ethernet on ubuntu Share display by installing VNC on Raspberry for Linux Share display by installing VNC on Raspberry for Windows
– Nicole Finnie
Feb 20 '16 at 22:40
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Python unittest - opposite of assertRaises?
...code you would raise a KeyError, that would be an error, not a failure. In python - differently than some other languages - Exceptions are routinely used for control flow, this is why we have the except <ExceptionName> syntax indeed. To that regard, user9876's solution is simply wrong.
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