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Is returning by rvalue reference more efficient?
...t with this.
Your case of returning an rvalue reference would be a good idea in other occasions. Imagine you have a getAB() function which you often invoke on a temporary. It's not optimal to make it return a const lvalue reference for rvalue temporaries. You may implement it like this
struct Be...
Can I implement an autonomous `self` member type in C++?
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Nice idea but even though I’m not fundamentally opposed to macros I would only accept its usage here if it mimicked C++ scoping, i.e. if it were usable as CLASS_WITH_SELF(foo) { … }; – and I think that’s impossible to achi...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...tains helpful guidelines; let me attempt a pragmatic summary:
The general idea behind non-terminating errors is to allow "fault-tolerant" processing of large input sets: failure to process a subset of the input objects should not (by default) abort the - potentially long-running - process as a whol...
How to convert floats to human-readable fractions?
... and/or the addition of <, >, <<, >> prefixes to give an idea of the coarseness of the approximation.
– vladr
Nov 6 '15 at 14:52
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Tables instead of DIVs [duplicate]
... same principle applies to many other things as well. It may not be a good idea to use a table tag to set up a three column layout, but it's certainly just fine to use it for grids and lists... except, of course, when you can actually use the ol or ul (list) tags.
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Should import statements always be at the top of a module?
... When X needs Y and Y needs X, they are either two parts of the same idea (i.e. should be defined together) or there's a missing abstraction.
– GLRoman
Jan 16 at 18:48
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How to autosize a textarea using Prototype?
...t want to use it on textboxes with novels in them, but you get the general idea.
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How to prevent custom views from losing state across screen orientation changes
... in the xml. But still all of them gets the settings of the last view. Any ideas?
– Christoffer
Jun 21 '14 at 16:56
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Is there a way to create your own html tag in HTML5?
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Absolutely correct. Not a fantastic idea. But absolutely correct. You could make a whole army of your own tags on your page, and make them all backwards-compatible with IE6, just by adding an array of all of the tag names you want to use, and then creating eac...
How do you close/hide the Android soft keyboard using Java?
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Why is overriding manifest settings a bad idea? I am calling this from a fragment. There is no manifest setting that applies to a fragment...
– Greg Ennis
Apr 24 '14 at 0:48
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