大约有 40,000 项符合查询结果（耗时：0.0407秒） [XML]
AVD Manager - Cannot Create Android Virtual Device
I just installed the Android Eclipse Plugin and the Android SDK from Google yesterday. I open the AVD Manager window by going to Window -> Android Virtual Device Manager . I then click "New" and am presented with the "Create new Android Virtual Device (AVD)" window. The problem is, I can't get t...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...00
成功！
八、附录
1、解决 webrick响应慢的问题：
修改C:\RailsInstaller\Ruby1.9.3\lib\ruby\1.9.1\webrick\ 目录中的server.rb 和httprequest.rb文件。
server.rb中的184行：
addr = sock.peeraddr
改为
addr = sock.peeraddr(:numeric )
h...
How To Capture A Minidump: Let Me Count The Ways - C/C++ - 清泛网 - 专注C/C++及内核技术
...uo;t complete unless it produced a minidump. I thought I’d throw out all the ways I know off the top of my head. Of course, I’m sure there are other ways so please add them in the comments!
Note: I’m only using Windows 7 and Server 2008 R2 these days so some of these might not wor...
Python speed testing - Time Difference - milliseconds
...e timedelta! For timing purposes always use c.total_seconds().
You can do all sorts of maths with datetime.timedelta, eg:
>>> c / 10
datetime.timedelta(0, 0, 431654)
It might be more useful to look at CPU time instead of wallclock time though ... that's operating system dependant though...
Recommended method for escaping HTML in Java
...amp; characters when outputting HTML in plain Java code? (Other than manually doing the following, that is).
11 Answers
...
Using git repository as a database backend
...d in my case. I'd like to emphasize that this rationale might not apply to all cases, so it's up to architect to decide.
Generally, the first main point my question misses is that I'm dealing with multi-user system that work in parallel, concurrently, using my server with a thin client (i.e. just a...
converting Java bitmap to byte array
When I look at the buffer after the call to copyPixelsToBuffer the bytes are all 0... The bitmap returned from the camera is immutable... but that shouldn't matter since it's doing a copy.
...
Sum a list of numbers in Python
...does integer division: it discards the remainder. To divide things through all the way, we need to use floating-point numbers. Fortunately, dividing an int by a float will produce a float, so we just use 2.0 for our divisor instead of 2.
Thus:
averages = [(x + y) / 2.0 for (x, y) in zip(my_list[:-...
Is char signed or unsigned by default?
... is 100% equivalent to declaring it as signed int. This is always true for all compilers and architectures.
share
|
improve this answer
|
follow
|
...
What does the property “Nonatomic” mean?
...
Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retaine...