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What is a typedef enum in Objective-C?
I don't think I fundamentally understand what an enum is, and when to use it.
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Understanding __get__ and __set__ and Python descriptors
I am trying to understand what Python's descriptors are and what they are useful for. I understand how they work, but here are my doubts. Consider the following code:
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Determine if a function exists in bash
Currently I'm doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined.
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Can you attach Amazon EBS to multiple instances?
We currently use multiple webservers accessing one mysql server and fileserver. Looking at moving to the cloud, can I use this same setup and attach the EBS to multiple machine instances or what's another solution?
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IllegalArgumentException or NullPointerException for a null parameter? [closed]
I have a simple setter method for a property and null is not appropriate for this particular property. I have always been torn in this situation: should I throw an IllegalArgumentException , or a NullPointerException ? From the javadocs, both seem appropriate. Is there some kind of an understood...
How do I expand a tuple into variadic template function's arguments?
Consider the case of a templated function with variadic template arguments:
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Swift double to string
Before I updated xCode 6, I had no problems casting a double to a string but now it gives me an error
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How to check if a URL is valid
How can I check if a string is a valid URL?
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Convert a positive number to negative in C#
You can convert a negative number to positive like this:
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