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家庭设备保修簿：综合应用案例 · App Inventor 2 中文网
...面与入口
HTML 布局预览；原生导航、图表和系统窗口以 Android 实际显示为准。底部四个入口分别是总览、档案、操作、设置。
完整操作流程
选择购买日期 → 建档并保存凭证 → 查剩余保修期 → ...
KeepScreenOn 拓展：保持屏幕常亮不息屏 · App Inventor 2 中文网
...reenOn 拓展
保持屏幕常亮不息屏。
使用 Android 系统的 FLAG_KEEP_SCREEN_ON 标志实现，无需任何额外权限（不需要 WAKE_LOCK 权限），适用于展示、阅读、导航、视频播放等需要屏幕保持常亮的应用场景。
.aix 拓展下载：
...
Removing projects in Sublime Text 2 and 3
...ext 3
C:\Program Files\Sublime Text 3\Data\Local\Session.sublime_session
Mac OSX:
Sublime Text 2
~/Library/Application Support/Sublime Text 2/Settings/Session.sublime_session
Sublime Text 3
~/Library/Application Support/Sublime Text 3/Local/Session.sublime_session
Linux (Ubuntu):
Sublime Tex...
Installing pip packages to $HOME folder
...Python core developers about what is the appropriate directory location on Mac OS X for PEP370-style user installations. In Python 2.7 and 3.2, the location on Mac OS X was changed from $HOME/.local to $HOME/Library/Python. This might change in a future release. But, for now, on 2.7 (and 3.2, if ...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...审核无误，软件里做了保存）。
我的电脑用了一款虚拟系统软件，可以很方便随时在两个系统里切换，所以，可以让软件同时做2个账户，相互不干扰。当然，如果，再用上VM等虚拟系统软件，理论上，1台电脑可以同时运作4个...
Understanding reference counting with Cocoa and Objective-C
... going:
Apple's introduction to memory management.
Cocoa Programming for Mac OS X (4th Edition), by Aaron Hillegas - a very well written book with lots of great examples. It reads like a tutorial.
If you're truly diving in, you could head to Big Nerd Ranch. This is a training facility run by Aar...
PHP中9大缓存技术总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...页面，而不会去走php服务器解析的流程。此种方式，在CMS系统中比较常见，比如dedecms；
一种比较常用的实现方式是用输出缓存：
Ob_start()
******要运行的代码*******
$content = Ob_get_contents();
****将缓存内容写入html文件*****
Ob_...
How to convert CFStringRef to NSString?
...
If you're using ARC in recent versions of Mac OS X/Objective C,
it's real easy:
NSString *happyString = (NSString *)CFBridgingRelease(sadString);
However, Xcode will happily warn you when you try to toll free bridge
CFString to NSString and offer to automatically ...
How to stop mysqld
To find out the start command for mysqld (using a mac) I can do:
17 Answers
17
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how to change default python version?
I have installed python 3.2 in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version?
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