大约有 46,000 项符合查询结果（耗时：0.1170秒） [XML]
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
...ster.
If you really care, compile with assembler output for your platform and look to see.
It doesn't matter. This never matters. Write your infinite loops however you like.
share
|
improve this a...
Return XML from a controller's action in as an ActionResult?
...
/// Serialises the object that was passed into the constructor to XML and writes the corresponding XML to the result stream.
/// </summary>
/// <param name="context">The controller context for the current request.</param>
public override void ExecuteResult(Controll...
Why are arrays covariant but generics are invariant?
...
Via wikipedia:
Early versions of Java and C# did not include generics (a.k.a. parametric polymorphism).
In such a setting, making arrays invariant rules out useful polymorphic programs.
For example, consider writing a function to shuffle an array, or a fun...
Android “Only the original thread that created a view hierarchy can touch its views.”
I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
...
Android: checkbox listener
I want to put a Listener over a CheckBox . I looked for info and it is like this:
10 Answers
...
OS X: equivalent of Linux's wget
...
Also, wget is available via both MacPorts and Fink.
– Brian Clapper
Dec 31 '10 at 20:26
47
...
How to fix “Referenced assembly does not have a strong name” error?
...e to sign a thirp-party is to
Disassemble the assembly using ildasm.exe and save the intermediate language (IL):
ildasm /all /out=thirdPartyLib.il thirdPartyLib.dll
Rebuild and sign the assembly:
ilasm /dll /key=myKey.snk thirdPartyLib.il
Fixing Additional References
The above steps work ...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
...only if there's an Access Denied error?
Or, you could simply have the commands for the xcopy and reg.exe always be run with psexec -h, but it would be annoying for the end-user if they need to input their password each time (or insecure if you included the password in the script)...
...
How to copy text programmatically in my Android app?
I'm building an Android app and I want to copy the text value of an EditText widget. It's possible for the user to press Menu+A then Menu+C to copy the value, but how would I do this programmatically?
...