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How to sort an array in Bash
I have an array in Bash, for example:
16 Answers
16
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Count, size, length…too many choices in Ruby?
...r arrays and hashes size is an alias for length. They are synonyms and do exactly the same thing.
count is more versatile - it can take an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to co...
What is the best way to implement nested dictionaries?
...lt where apropos, so when keys are missing under normal usage you get the expected KeyError. If you insist on getting this behavior, here's how to shoot yourself in the foot:
Implement __missing__ on a dict subclass to set and return a new instance.
This approach has been available (and documented) ...
What is a bank conflict? (Doing Cuda/OpenCL programming)
...ody help me understand it? I have no preference if the help is in the context of CUDA/OpenCL or just bank conflicts in general in computer science.
...
How to work around the stricter Java 8 Javadoc when using Maven
...r Java 8 Javadoc when using Maven is deactivating it.
Since the parameter -Xdoclint:none only exists in Java 8, defining this parameter breaks the build for any other Java. To prevent this, we can create a profile that will be active only for Java 8, making sure our solution works regardless of the ...
JavaScript unit test tools for TDD
...nd Karma be used together?
pros:
Uses node.js, so compatible with Win/OS X/Linux
Run tests from a browser or headless with PhantomJS
Run on multiple clients at once
Option to launch, capture, and automatically shut down browsers
Option to run server/clients on development computer or separately
Ru...
ASP.NET MVC ambiguous action methods
...valueName;
}
public override bool IsValidForRequest(ControllerContext controllerContext, MethodInfo methodInfo) {
return (controllerContext.HttpContext.Request[ValueName] != null);
}
public string ValueName { get; private set; }
}
In the above example, the attribute simply ...
Find location of a removable SD card
Is there an universal way to find the location of an external SD card?
22 Answers
22
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Error “initializer element is not constant” when trying to initialize variable with const
...objects with static storage duration have to be initialized with constant expressions, or with aggregate initializers containing constant expressions.
A "large" object is never a constant expression in C, even if the object is declared as const.
Moreover, in C language, the term "constant" refers...
What is “thread local storage” in Python, and why do I need it?
...
In Python, everything is shared, except for function-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are lo...