大约有 46,000 项符合查询结果（耗时：0.0529秒） [XML]
What is a message pump?
In this thread (posted about a year ago) there is a discussion of problems that can come with running Word in a non-interactive session. The (quite strong) advice given there is not to do so. In one post it is stated "The Office APIs all assume you are running Office in an interactive session on...
Performance of Java matrix math libraries? [closed]
We are computing something whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question:
...
How do I parse JSON with Objective-C?
...
With the perspective of the OS X v10.7 and iOS 5 launches, probably the first thing to recommend now is NSJSONSerialization, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime.
So, for...
FFmpeg on Android
... best solution? The Android Build System link is broken - what is that supposed to be? There are a bunch of toolkits to aid in building with the NDK. However they all fail with various build errors for me, and seem a little old. Is there any reason why someone can't just post a built static ffmpeg l...
Targeting .NET Framework 4.5 via Visual Studio 2010
... it from Visual Studio 2010, since it's just a minor update that should't pose problems for Visual Studio 2010. Unfortunately I am not, even manually removing certain 4.0 and adding the corresponding 4.5 assemblies resulted in the original 4.0 assemblies still being referenced in the project.
...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...ide or provide default styling for disabled form elements. (Gray out or emboss text) Internet Explorer
5.5 is particularly nasty about this.
Disabled form elements do not receive focus.
Disabled form elements are skipped in tabbing navigation.
The Read Only Attribute
Not all fo...
How do I properly clean up Excel interop objects?
...
...
Marshal.ReleaseComObject(sheets);
Marshal.ReleaseComObject(sheet);
POST MORTEM UPDATE:
I want every reader to read this answer by Hans Passant very carefully as it explains the trap I and lots of other developers stumbled into. When I wrote this answer years ago I didn't know about the effec...
Loader lock error
...ult (reset all), the debug window shows <mda:msg xmlns:mda="schemas.microsoft.com/CLR/2004/10/mda"> <!-- Attempting managed execution inside OS Loader lock.... etc --> <mda:loaderLockMsg break="true"/> </mda:msg> VS then presents multiple breakpoints during t...
Apache is downloading php files instead of displaying them
OS and server information:
26 Answers
26
...
How to get error message when ifstream open fails
...r between the execution of the f.open and use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people in the comments):
e.what() seemed at first to be a more C++-...