大约有 40,000 项符合查询结果（耗时：0.0468秒） [XML]
When to use wrapper class and primitive type
...ire a object if you want to maximize numeric performance. This is advised by the documentation, and this article demonstrates how auto-boxing can cause a large performance difference.
share
|
impro...
Can anyone explain this strange behavior with signed floats in C#?
...MethodImpl(MethodImplOptions.InternalCall)])
When all of the fields are 8 bytes wide, CanCompareBits mistakenly returns true, resulting in a bitwise comparison of two different, but semantically identical, values.
When at least one field is not 8 bytes wide, CanCompareBits returns false, and the c...
How do you specify command line arguments in Xcode 4?
...; Edit Scheme... -> Run -> Arguments
(Copy-Paste from the link given by Jano)
share
|
improve this answer
|
follow
|
...
How do you redirect to a page using the POST verb?
...usly don't care about actually having the browser get the redirect anyway (by virtue of accepting the answer you have already accepted):
[AcceptVerbs(HttpVerbs.Get)]
public ActionResult Index() {
// obviously these values might come from somewhere non-trivial
return Index(2, "text");
}
[Acce...
Optimistic vs. Pessimistic locking
...atio read vs. write: if your application is mainly a read-only application by a lot of users, and sometimes you write data, than go for optimistic locking. StackOverflow, for example, have a lot of people reading pages, and sometimes someone edit one: in pessimistic locking, who would get the lock?...
Difference between std::result_of and decltype
... AFAIK, so without result_of<> it's awkward to get the type returned by a template without relying on the arguments having valid default constructors.
– Robert Mason
Nov 1 '12 at 16:46
...
How to execute PHP code from the command line?
...ut if you don't want to install the awesome interactive shell for php made by facebook to get tab completion, history, and so on, then use -a as such:
>>> php -a
Interactive shell
php > echo function_exists("foo") ? "yes" : "no";
no
php >
If it doesn't work on your box like on my...
How can I enable the Windows Server Task Scheduler History recording?
...ab), click Enable All Tasks History
That's it. Not sure why this isn't on by default, but it isn't.
share
|
improve this answer
|
follow
|
...
What is this Javascript “require”?
...lly confined to a web browser with a limited global context defined mostly by what came to be known as the Document Object Model (DOM) level 0 (the Netscape Navigator Javascript API).
Server-side Javascript eliminates that restriction and allows Javascript to call into various pieces of native code...
curl POST format for CURLOPT_POSTFIELDS
...ame with @ and use the full path. The filetype can be explicitly specified by following the filename with the type in the format ';type=mimetype'. This parameter can either be passed as a urlencoded string like 'para1=val1&para2=val2&...' or as an array with the field name as key and field d...