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Elegant Python function to convert CamelCase to snake_case?
..." to "multinomal_n_b" instead of "multinomial_nb.
– s2t2
Sep 6 at 0:33
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实时开发、测试和调试工具 · App Inventor 2 中文网
... 或者，你可以通过右键单击该块并选择“删除注释”来永久删除注释。 请注意，这与 Do It 命令的结果窗口是同一个窗口。
错误
有时执行块的结果会是错误。 在下图中，我们将 this 的值更改为文本“apple”，然后单击“Do It”...
App Inventor 2 试验组件 · App Inventor 2 中文网
... 鉴于我们获取的 Firebase令牌有效期较长，这实际上将是永久的。 Shared_prefs 在应用程序更新后仍然存在，并且根据设备上备份的配置方式，它可能在应用程序删除和重新安装后仍然存在。
通常这不是问题，但是如果我们更改...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...educed detail with a bilateral filter
image = Import["http://i.imgur.com/z2t8y.jpg"]
thumb = ImageResize[ image, 36, Resampling -> "Nearest"];
thumb = BilateralFilter[thumb, 1, .2, MaxIterations -> 2];
iTunes picks the background color by finding the dominant color along the edges of the al...
Quicksort: Choosing the pivot
...the worst case will be:
T(n) = O(n) (find the median) + O(n) (partition) + 2T(n/2) (recurse left and right)
By the Master Theorem, this is O(nlog(n)). However, the constant factor will be huge, and if worst case performance is your primary concern, use a merge sort instead, which is only a little b...
brew update: The following untracked working tree files would be overwritten by merge:
... see also stackoverflow.com/questions/6024671/…
– s2t2
Jul 27 '13 at 19:51
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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PS1="[\u@\h \W]\$ "
但是退出后这些环境变量就丢失了，要永久生效的话，可以在~/.bash_profile、~/.bash_login、~/.profile或/etc/profile（需要管理员权限）里进行设置：
echo 'PS1="[\u@\h \W]\$ "' >> ~/.bash_profile
要修改主机名的话，可以打开...
Differences between detach(), hide() and remove() - jQuery
...r cheap templating that avoids jquery live events: jsfiddle.net/b9chris/PNd2t
– Chris Moschini
Apr 10 '12 at 19:55
I s...
What is the difference between NTFS Junction Points and Symbolic Links?
...6 '12 at 10:19
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answered May 1 '12 at 10:52
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java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... API给你全面的程序来控制所有的OSCache特性。
永久缓存--缓存能随意的写入硬盘，因此允许昂贵的创建（expensive-to-create）数据来保持缓存，甚至能让应用重启。
支持集群--集群缓存数据能被单个的进行参数...