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OPTION (RECOMPILE) is Always Faster; Why?
... a stored procedure is created (I suspect you are calling ad-hoc sql from .NET but if you are using a parameterized query then this ends up being a stored proc call) SQL Server attempts to determine the most effective execution plan for this query based on the data in your database and the parameter...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Server接口。利用VS的自动完成，实现其五个方法。和使用.NET 编写UDF 一样，我们需要在类名称上加一些自定义属性。这四个属性中，与UDF相比多了一个ProgID属性，该属性唯一标识改RTD函数。
[Guid("0A5F2820-C34E-4EF5-9110-F66B2A7796C0")]
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How does libuv compare to Boost/ASIO?
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Scope
Boost.Asio is a C++ library that started with a focus on networking, but its asynchronous I/O capabilities have been extended to other resources. Additionally, with Boost.Asio being part of the Boost libraries, its scope is slightly narrowed to prevent duplication with other Boost...
How to color System.out.println output? [duplicate]
...ences, while os x terminals only tend to support \e, but I may be wrong. Nonetheless, if you see something like the following image, then you're all set! (Note that I am using the shell, zsh, and it is coloring my prompt string; also, I am using urxvt as my terminal in linux.)
"How does this work...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...anipulator
As I see it, INotifyPropertyChanged is a fundamental part of .Net. i.e. its in System.dll. Implementing it in your "Model" is akin to implementing an event structure.
If you want pure POCO, then you effectively have to manipulate your objects via proxies/services and then your ViewMod...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...like GC - but it works only for ressources the GC "understands". E.g. the .NET GC does not know the cost of COM objects. When simply creating and destroying them in a loop, it will happily let the application run into the ground regarding address space or virtual memory - whatever comes first - with...
Get path of executable
...In this case using the predefined OS macros detailed at predef.sourceforge.net/preos.html to select the method is straightforward.
– Clifford
Oct 7 '09 at 15:02
5
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Is Haxe worth learning? [closed]
... have to deal with changes in the environment or targets (you develop for .NET but an important customer requires PHP, or maybe that widget should be in Flash not Javascript), and this is the best case scenario. In the worst case you'll have to switch constantly, often multiple times in the same bus...
Approximate cost to access various caches and main memory?
... 1K bytes with Zippy PROCESS
20,000 ns - Send 2K bytes over 1 Gbps NETWORK
250,000 ns - Read 1 MB sequentially from MEMORY
500,000 ns - Round trip within a same DataCenter
10,000,000 ns - DISK seek
10,000,000 ns - Read 1 MB sequentially from NETWORK
30,000,000 ns - ...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
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The Select produces a WhereSelectEnumerableIterator. This is an internal .Net class that implements IEnumerable, not IQueryable. So a conversion to another type has taken place and the subsequent AsQueryable can never return the original source anymore.
The implication of this is that using AsQuery...