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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:
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Non-Singleton Services in AngularJS
...eak down dependency injection and the library will behave awkwardly, especially for third parties. In short, I am not sure there are any legitimate use cases for non-singleton sevices.
A better way to accomplish the same thing is to use the factory as an API to return a collection of objects with g...
Set Background color programmatically [duplicate]
I try to set background color programmatically but when I set every one of my colors, the background being black but with any color background being white like the application theme.
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Read stream twice
... I think this is the only valid solution as mark isn't supported for all types.
– Warpzit
Mar 1 '12 at 11:10
3
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...default, a function object should produce the same result every time it's called. This is the difference between an object orientated function and a function using a global variable, effectively.
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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...
Ruby max integer
...w big they can be.
If you are looking for the machine's size, i.e. 64- or 32-bit, I found this trick at ruby-forum.com:
machine_bytes = ['foo'].pack('p').size
machine_bits = machine_bytes * 8
machine_max_signed = 2**(machine_bits-1) - 1
machine_max_unsigned = 2**machine_bits - 1
If you are loo...
Add new item in existing array in c#.net
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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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NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
...te for xUnit.NET. While most of the other testing frameworks mentioned are all pretty much the same, xUnit.NET has taken a pretty unique, modern, and flexible approach to unit testing. It changes terminology, so you no longer define TestFixtures and Tests...you specify Facts and Theories about your ...