大约有 44,000 项符合查询结果（耗时：0.0517秒） [XML]
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...endency madness is one of the reasons that 16-bit instructions are avoided now. x86-64 inherited this from 8086 for 8-bit and 386 for 16-bit, and decided to have 8 and 16-bit registers work the same way in 64-bit mode as they do in 32-bit mode.
See also Why doesn't GCC use partial registers? for...
Create a Date with a set timezone without using a string representation
... I am amazed about his answer clarity and helpfulness. Did not know that working with Javascript dates was such a nightmare until today :S
– will824
Feb 12 '14 at 17:00
...
Extracting .jar file with command line
...
Thanks, everything is fine now!
– Bobby C
Dec 11 '11 at 2:31
2
...
Can you explain the HttpURLConnection connection process?
I am using HTTPURLConnection to connect to a web service. I know how to use HTTPURLConnection but I want to understand how it works. Basically, I want to know the following:
...
Could not reliably determine the server's fully qualified domain name
...this broke apache until I set ServerName localhost in the global context. Now the vhost is working again and the SSL cert is being served properly.
– AaronM
Oct 12 '15 at 16:07
...
What is the difference between active and passive FTP?
...rties.
In passive mode, the client establishes both channels. We already know it establishes the command channel in active mode and it does the same here.
However, it then requests the server (on the command channel) to start listening on a port (at the servers discretion) rather than trying to es...
How do BitTorrent magnet links work?
...he format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 characters, I found it holds exactly 160bits, which is exactly the size of the SHA1.
...
What is a reasonable code coverage % for unit tests (and why)? [closed]
...The first programmer is new and just getting started with testing.
Right now he has a lot of code and no
tests. He has a long way to go;
focusing on code coverage at this time
would be depressing and quite useless.
He’s better off just getting used to
writing and running some tests. He...
Is there a way to delete a line in Visual Studio without cutting it?
...n on the right (otherwise it won't be applied).
Finally > OK.
You can now open a .CPP file and use your shortcut to remove a line.
share
|
improve this answer
|
follow
...
How to do this in Laravel, subquery where in
...at comes close, and i've been puzzeling with similar queries for some time now. But where_in (laravel 3) requires 2 arguments, the second one being an array. Any idea how to get this right? Also, I don't think laravel 3 supports the from method.
– Marc Buurke
M...