大约有 23,000 项符合查询结果（耗时：0.0169秒） [XML]
What is the difference between an Azure Web Site and an Azure Web Role
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I've just posted a comprehensive blog post on this very subject at http://robdmoore.id.au/blog/2012/06/09/windows-azure-web-sites-vs-web-roles/.
An excerpt from my conclusion: If you need enormous scale, SSL, Asian or West US data centres, a non-standard configuration (of IIS, ports, diagno...
Java regex email
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Here is RFC822 compliant regex adapted for Java:
Pattern ptr = Pattern.compile("(?:(?:\\r\\n)?[ \\t])*(?:(?:(?:[^()<>@,;:\\\\\".\\[\\] \\000-\\031]+(?:(?:(?:\\r\\n)?[ \\t])+|\\Z|(?=[\\[\"()<>@,;:\\\\\".\\[\\]]))|\"(?:[^\\\"\\r\\\\]|\\\\.|(?:(?:\\r\\n)?[ \\t]))*\"(?:(?:\...
How to convert SecureString to System.String?
...ces.Marshal class:
String SecureStringToString(SecureString value) {
IntPtr valuePtr = IntPtr.Zero;
try {
valuePtr = Marshal.SecureStringToGlobalAllocUnicode(value);
return Marshal.PtrToStringUni(valuePtr);
} finally {
Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
}
}
If you w...
Approximate cost to access various caches and main memory?
... | |
| | | ns|
| | us|
| ms|
From:
Originally by Peter Norvig:
- http://norvig.com/21-days.html#answers- http://surana.wordpress.com/2009/01/01/numbers-everyone-should-know/,- http://sites.google.com/site/io/building-scalable-web-applications-with-google-app-engine
...
How to use Boost in Visual Studio 2010
... version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ImportGroup Label="PropertySheets" />
<PropertyGroup Label="UserMacros">
<BOOST_DIR>D:\boost_1_53_0\</BOOST_DIR>
</PropertyGroup&g...
vector vs. list in STL
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Still, if you switch to vector<UglyBlob*> or even vector<shared_ptr<UglyBlob> >, again - list will lag behind.
So, access pattern, target element count etc. still affects the comparison, but in my view - the elements size - cost of copying etc.
...
Is it safe to delete a void pointer?
...loc (size_t size)
{
return ::operator new(size);
}
void my_free (void* ptr)
{
::operator delete(ptr);
}
Note that unlike malloc(), operator new throw
When should std::move be used on a function return value? [duplicate]
... What about trying to return variables declared as std::unique_ptr<Derived> when function is declared to return std::unique_ptr<Base>? In gcc and mingw-w64 it just works, but vanilla mingw (based gcc 4.9.3, targeting i686-pc-cygwin) needs std::move(x) to compile.
...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...ned pointers to employee are:
employee *,
const employee *,
std::auto_ptr<employee>,
std::list<boost::reference_wrapper<employee> >::iterator,
employee **,
boost::shared_ptr<const employee *>.
In general, chained pointers with dereferencing distance greater than 1 are not likely to be use...
Is short-circuiting logical operators mandated? And evaluation order?
...y from functionA then functionB and then functionC. Used for this like
if(ptr && ptr->value) {
...
}
Same for the comma operator:
// calls a, then b and evaluates to the value returned by b
// which is used to initialize c
int c = (a(), b());
One says between the left and righ...