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How do I redirect output to a variable in shell? [duplicate]
I have a script like that
8 Answers
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How to get the first non-null value in Java?
Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables?
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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.
13 Answers
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Naming conventions: “State” versus “Status” [closed]
Quick question: I'd like to hear your thoughts on when to use "State" versus "Status" when naming both fields such as "Foo.currentState" vs "Foo.status" and types, like "enum FooState" vs "enum FooStatus". Is there a convention discussed out there? Should we only use one? If so which one, and if not...
Is duplicated code more tolerable in unit tests?
I ruined several unit tests some time ago when I went through and refactored them to make them more DRY --the intent of each test was no longer clear. It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable, but...
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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How do I expand a tuple into variadic template function's arguments?
Consider the case of a templated function with variadic template arguments:
13 Answers
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What is the difference between __init__ and __call__?
I want to know the difference between __init__ and __call__ methods.
13 Answers
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