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Move assignment operator and `if (this != &rhs)`

... Wow, there is just so much to clean up here... First, the Copy and Swap is not always the correct way to implement Copy Assignment. Almost certainly in the case of dumb_array, this is a sub-optimal solution. The use of Copy and Swap is for dumb_array is a classic example of putting the...
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How do I simulate a hover with a touch in touch enabled browsers?

... OK, I've worked it out! It involves changing the CSS slightly and adding some JS. Using jQuery to make it easy: $(document).ready(function() { $('.hover').on('touchstart touchend', function(e) { e.preventDefault(); $(this).toggleClass('hover_effect'); }); }); ...
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bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]

I am new to Ruby and trying to wrap my head around following concepts: bundler vs RVM vs gems vs RubyGems vs gemsets vs system rub and I'm confused. ...
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The application may be doing too much work on its main thread

I am new to Android SDK/API environment. It's the first I am trying to draw a plot/chart. I tried running different kinds of sample codes the emulator using 3 different free libraries, nothing is showing in the layout screen. The logcat is repeating the following message: ...
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Delete multiple records using REST

...things that don't make sense from your point of view. This choice is best, and can be done RESTfully. If you are creating an API and you want to allow mass changes to resources, you can use REST to do it, but exactly how is not immediately obvious to many. One method is to create a ‘change request...
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How does Go compile so quickly?

I've Googled and poked around the Go website, but I can't seem to find an explanation for Go's extraordinary build times. Are they products of the language features (or lack thereof), a highly optimized compiler, or something else? I'm not trying to promote Go; I'm just curious. ...
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What unique features does Firebug have that are not built-in to Firefox?

I just cleaned my Firefox addons and wondered: 8 Answers 8 ...
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Git branch strategy for small dev team [closed]

We have a web app that we update and release almost daily. We use git as our VCS, and our current branching strategy is very simple and broken: we have a master branch and we check changes that we 'feel good about' into it. This works, but only until we check in a breaking change. ...
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Why are these constructs using pre and post-increment undefined behavior?

... can't predict the behavior when the code is run. As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i.e. requiring that all implementa...
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Why is there a difference in checking null against a value in VB.NET and C#?

... VB.NET and C#.NET are different languages, built by different teams who have made different assumptions about usage; in this case the semantics of a NULL comparison. My personal preference is for the VB.NET semantics, which in esse...