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C++: const reference, before vs after type-specifier
...const*.)
As a matter of style
Regarding which you should prefer stylistically, however, I'll dissent from a lot of the other answers and prefer const T& (and const T*):
const T& is the style used in Stroustrup's The C++ Programming Language book.
const T& is the style used in the C++...
Enable remote connections for SQL Server Express 2012
I just installed SQL Server Express 2012 on my home server. I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error:
...
How can I lock a file using java (if possible)
...fy that second process that the file is already opened? Does this automatically make the second process get an exception if the file is open (which solves my problem) or do I have to explicitly open it in the first process with some sort of flag or argument?
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Embedding JavaScript engine into .NET [closed]
just wondering if anyone has ever tried embedding and actually integrating any js engine into the .net environment. I could find and actually use (after a LOT of pain and effort, since it's pretty outdated and not quite finished) spidermonkey-dotnet project. Anyone with experience in this area? En...
Swift - Split string over multiple lines
... some text
over multiple lines
"""
Older versions of Swift don't allow you to have a single literal over multiple lines but you can add literals together over multiple lines:
var text = "This is some text\n"
+ "over multiple lines\n"
...
How to unzip files programmatically in Android?
I need a small code snippet which unzips a few files from a given .zip file and gives the separate files according to the format they were in the zipped file. Please post your knowledge and help me out.
...
Efficiently test if a port is open on Linux?
... to connect by loopback. If it fails, then the port is closed or we aren't allowed access. Afterwards, close the connection.
Modify this for your use case, such as sending an email, exiting the script on failure, or starting the required service.
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How to include *.so library in Android Studio?
...how to add a *.so library to Android Studio, but none of them works, especially when it comes to the point of text: This does not work with the newer xxx (Android Studio, gradle, ...)
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How to select from subquery using Laravel Query Builder?
...y there is no method to create subquery in FROM clause, so you need to manually use raw statement, then, if necessary, you will merge all the bindings:
$sub = Abc::where(..)->groupBy(..); // Eloquent Builder instance
$count = DB::table( DB::raw("({$sub->toSql()}) as sub") )
->mergeBin...
Add new item in existing array in c#.net
...
I would use a List if you need a dynamically sized array:
List<string> ls = new List<string>();
ls.Add("Hello");
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