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How much is the overhead of smart pointers compared to normal pointers in C++?
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edited Mar 19 '17 at 11:32
answered Mar 10 '14 at 9:17
li...
Bash function to find newest file matching pattern
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234
The ls command has a parameter -t to sort by time. You can then grab the first (newest) with he...
Declaring an enum within a class
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answered Mar 23 '10 at 21:42
Peter AlexanderPeter Alexander
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...[T]) else None
}
}
}
scala> Registry.register("a", List(1,2,3))
scala> Registry.get[List[Int]]("a")
res6: Option[List[Int]] = Some(List(1, 2, 3))
scala> Registry.get[List[String]]("a")
res7: Option[List[String]] = None
When storing an element, we store a "Manifest" of it too....
Compile time string hashing
...is is a little bit late, but I succeeded in implementing a compile-time CRC32 function with the use of constexpr. The problem with it is that at the time of writing, it only works with GCC and not MSVC nor Intel compiler.
Here is the code snippet:
// CRC32 Table (zlib polynomial)
static constexpr ...
c++ 代码调用nsis安装包实现静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
c++ 代码调用nsis安装包实现静默安装TCHAR szCurPath[MAX_PATH] = {0};GetCurrentDirectory(MAX_PATH, szCurPath);TCHAR szFile[MAX_PATH] = {0};_stprintf_s(szFile, ...
TCHAR szCurPath[MAX_PATH] = {0};
GetCurrentDirectory(MAX_PATH, szCurPath);
TCHAR szFile[MAX_PATH] = {0};
_stprintf_s(szFi...
Where do “pure virtual function call” crashes come from?
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edited Dec 16 '15 at 6:30
Destructor
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answer...
Drop all tables whose names begin with a certain string
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Filip Cornelissen
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answered Aug 7 '08 at 4:53
Curt HagenlocherCu...
Accessing a Dictionary.Keys Key through a numeric index
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edited Jan 3 at 7:03
Kolappan N
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a...
How to pass command line arguments to a rake task
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389
Options and dependencies need to be inside arrays:
namespace :thing do
desc "it does a thing...