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Difference in make_shared and normal shared_ptr in C++
Many google and stackoverflow posts are there on this, but I am not able to understand why make_shared is more efficient than directly using shared_ptr .
...
Type safety: Unchecked cast
...The problem is, getBean returns Object, so it is unknown what the type is. Converting it to HashMap directly would not cause the problem with the second case (and perhaps there would not be a warning in the first case, I'm not sure how pedantic the Java compiler is with warnings for Java 5). However...
Java array reflection: isArray vs. instanceof
...u might, for example, be implementing some sort of serialization mechanism and be able to pass each component of the array to the same serialization method, regardless of type.
There are two special cases: null references and references to primitive arrays.
A null reference will cause instanceof t...
What are inline namespaces for?
...ief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution?
5 A...
How to prevent line break at hyphens on all browsers
...re any other way to prevent line break? or does ckeditor have an option to convert the hyphen automatically? Thanks again
– Alan
Jan 6 '12 at 4:24
9
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HashSet vs LinkedHashSet
...), 11), .75f, true); // <-- boolean dummy argument
addAll(c);
}
And (one example of) a HashSet constructor that takes a boolean argument is described, and looks like this:
/**
* Constructs a new, empty linked hash set. (This package private
* constructor is only used by LinkedHashSet....
How can I initialize a C# List in the same line I declare it. (IEnumerable string Collection Example
I am writing my testcode and I do not want wo write:
8 Answers
8
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
...-- for each vehicle, select the first location
SELECT
VehicleID,
CONVERT(nvarchar(MAX), City) Cities,
Rank
FROM
RankedLocations
WHERE
Rank = 1
-- then incrementally concatenate with the next location
-- this will return intermediate concatenations that will be
-- fi...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
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C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every c...
Is there a built-in method to compare collections?
...tents of a couple of collections in my Equals method. I have a Dictionary and an IList. Is there a built-in method to do this?
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