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PHP - concatenate or directly insert variables in string

..., you should really choose the one you prefer :-) Personally, I would go with your second solution in such a case (Variable interpolation), which I find easier to both write and read. The result will be the same; and even if there are performance implications, those won't matter 1. As a sidenote...
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Most efficient way to check for DBNull and then assign to a variable?

...follow | edited Jan 24 '18 at 10:50 community wiki ...
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Recommended add-ons/plugins for Microsoft Visual Studio [closed]

... plugins for Microsoft Visual Studio ? Freebies are preferred, but if it is worth the cost then that's fine. 77 Answer...
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How do I loop through a list by twos? [duplicate]

I want to loop through a Python list and process 2 list items at a time. Something like this in another language: 7 Answers...
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Open directory dialog

...from Win32, but unfortunately the dialog requires file(s) to be selected - it stays open if I simply click OK without choosing one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. ...
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What underlies this JavaScript idiom: var self = this?

I saw the following in the source for WebKit HTML 5 SQL Storage Notes Demo : 10 Answers ...
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What is the effect of extern “C” in C++?

...le that contains just the declaration of your function. Your function definition is contained in a binary format (that was compiled by your C++ compiler) that the client C linker will then link to using the C name. Since C++ has overloading of function names and C does not, the C++ compiler cannot j...
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UIRefreshControl without UITableViewController

Just curious, as it doesn't immediately seem possible, but is there a sneaky way to leverage the new iOS 6 UIRefreshControl class without using a UITableViewController subclass? ...
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Plurality in user messages

... both are wrong. The correct way of doing this is: string message = ( noofitemsselected==1 ? "You have selected " + noofitemsselected + " item. Are you sure you want to delete it?": "You have selected " + noofitemsselected + " items. Are you sure you want to delete them?" ); This is because d...
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When & why to use delegates? [duplicate]

... I agree with everything that is said already, just trying to put some other words on it. A delegate can be seen as a placeholder for a/some method(s). By defining a delegate, you are saying to the user of your class, "Please feel fr...