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What is move semantics?

...surprised if x had changed somehow. Did you notice how I just said x three times (four times if you include this sentence) and meant the exact same object every time? We call expressions such as x "lvalues". The arguments in lines 2 and 3 are not lvalues, but rvalues, because the underlying string ...
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Static way to get 'Context' in Android?

...e that the context retrieved in such a way will always be non-null. At the time you need it, it's usually because you want to initialize an helper, or get a resource, that you cannot delay in time; handling the null case will not help you. So I understood I was basically fighting against the Android...
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Is there any connection string parser in C#?

...StringBuilder etc (unfortunately there is no public interface from MS this time). Otherwise you have DbProviderFactory.CreateConnectionStringBuilder which will give you an alternate way to write it provider-agnostic way. You would need to specify provider in config file and have the right version of...
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MySQL “WITH” clause

... place a much higher priority on scalability. They have focused for a long time on making their internals more scalable, to take advantage of modern hardware. But I think they have neglected SQL features. – Bill Karwin Feb 4 '14 at 18:25 ...
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PHP - include a php file and also send query parameters

...why not turn it into a regular function, included once and called multiple times? share | improve this answer | follow | ...
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How do I clone a specific Git branch? [duplicate]

...to accomplish, when you're asking about cloning a specific branch. At the time of writing the original answer below, git had no --single-branch option, but let's preserve it for full satisfaction of angry bees. The answer so badly disliked by copypasters was this: git init git remote add -t refsp...
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Is 'switch' faster than 'if'?

... too often I see people thinking "if I make it a switch, it'll be the same time no matter how many cases I have" -- and that's completely false. Even with a jump table you get the indirect jump cost and you pay for entries in the table for each case; and memory bandwidth is a Big Deal on modern hard...
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How do I trim leading/trailing whitespace in a standard way?

Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution. ...
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Bootstrap 3 Navbar Collapse

...ve them return to the previous value. Then re-add them at the appropriate time. I'm not sure if there's a better way to do it. Recompiling the Bootstrap LESS to your needs is the best (easiest) way. Otherwise, you'll have to find all the CSS media queries that affect your Navbar, overwrite them t...
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Verify version of rabbitmq

...r-right corner of every web page, along with the version of the Erlang run-time. share | improve this answer | follow | ...