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What is the rationale for all comparisons returning false for IEEE754 NaN values?
Why do comparisons of NaN values behave differently from all other values?
That is, all comparisons with the operators ==, =, where one or both values is NaN returns false, contrary to the behaviour of all other values.
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Why is there no Constant feature in Java?
...hods and pointer to const type. The enhancement request ticket in the Java Community Process for implementing const correctness in Java was closed in 2005, implying that const correctness will probably never find its way into the official Java specification.
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Why do C++ libraries and frameworks never use smart pointers?
...rs to your heart’s content. Their source is available to your library at compile time, so you rely on the stability of their interfaces alone, not of their implementations.
But because of the lack of standard ABI, you generally cannot pass these objects safely across module boundaries. A GCC shar...
Nodejs Event Loop
... modules is usually calling the function Task in the threadpool. When it's complete, it calls the AfterTask function in the main thread. Whereas Eio_REQUEST is the request handler which can be a structure / object whose motive is to provide communication between the threadpool and main thread.
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AngularJS : Prevent error $digest already in progress when calling $scope.$apply()
...utside the reach of Angular. For example, when a twitter bootstrap modal becomes hidden. Sometimes the DOM event fires when a $digest is in progress, sometimes not. That's why I use this check.
I would love to know a better way if anyone knows one.
From comments:
by @anddoutoi
angular.js Anti...
Efficient way to apply multiple filters to pandas DataFrame or Series
...es object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user.
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What is the difference between RegExp’s exec() function and String’s match() function?
...ly, it has to be the same regular expression object. A literal doesn’t accomplish that.
– Ry-♦
Jan 27 '15 at 5:12
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What is a difference between
...values from the collection, they will all be E or some subclass (i.e. it's compatible). The drainTo method is trying to put values into the collection, so the collection has to have an element type of E or a superclass.
As an example, suppose you have a class hierarchy like this:
Parent extends O...
How to get the source directory of a Bash script from within the script itself?
... no matter where it is being called from.
It will work as long as the last component of the path used to find the script is not a symlink (directory links are OK). If you also want to resolve any links to the script itself, you need a multi-line solution:
#!/bin/bash
SOURCE="${BASH_SOURCE[0]}"
whi...
How do I declare a 2d array in C++ using new?
... Yes, a T[][N] would be called "array of array [N] of T" and be an incomplete type, while T[][] would be an invalid type (all except the last dimensions must have a known size). T[N][M] is "array [N] of array[M] of T", while yours, T[sizeX] is "array [sizeX] of T" where T is a pointer to an in...