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What is the optimal Jewish toenail cutting algorithm?
...mport ifilter, permutations
validseqs = ifilter(isValid, permutations([1,2,3,4,5]))
for i in validseqs:
print i
(1, 3, 5, 2, 4)
(1, 4, 2, 5, 3)
(2, 4, 1, 3, 5)
(2, 4, 1, 5, 3)
(2, 5, 3, 1, 4)
(3, 1, 4, 2, 5)
(3, 1, 5, 2, 4)
(3, 5, 1, 4, 2)
(3, 5, 2, 4, 1)
(4, 1, 3, 5, 2)
(4, 2, 5, 1, 3)
(4, 2, ...
Should I use @EJB or @Inject
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Nov 15 '11 at 15:08
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How to get notified about changes of the history via history.pushState?
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edited Jun 19 '17 at 23:34
KARASZI István
27.9k77 gold badges8989 silver badges114114 bronze badges
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本地通知使用指导 · App Inventor 2 中文网
...建议给每类通知固定一个序号，比如 1 = 提醒、2 = 会议、3 = 下载。
权限：安卓 13 及以上第一次发通知时会弹出授权提示；用户拒绝后通知发不出来，并触发屏幕的「权限被拒绝」事件。
快速上手
拖一个本...
How to deal with SettingWithCopyWarning in Pandas?
I just upgraded my Pandas from 0.11 to 0.13.0rc1. Now, the application is popping out many new warnings. One of them like this:
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App Inventor 2 TaifunImage 拓展，图像高级处理功能，剪裁，压缩，翻转等 ...
...的jpg图像文件分割成多个块。
例如，rows=4和columns=3会将原始图像分割成12块，参见截图
这些块也将存储在ASD中。
使用以下命名约定：imageFileName_rowNumber_columnNumber.jpg。
如果ASD中的图像是横向格式则返...
Difference between List, List, List, List, and List
...Could e.g. be used by a method that is returning the length of the list.
3) T, E and U are the same, but people tend to use e.g. T for type, E for Element, V for value and K for key. The method that compiles says that it took an array of a certain type, and returns an array of the same type.
4) Y...
Retrieve the position (X,Y) of an HTML element relative to the browser window
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1863
The correct approach is to use element.getBoundingClientRect():
var rect = element.getBoundingC...
How to avoid reinstalling packages when building Docker image for Python projects?
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143
Try to build a Dockerfile which looks something like this:
FROM my/base
WORKDIR /srv
ADD ./requ...
Javascript Drag and drop for touch devices [closed]
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edited Jun 30 '14 at 13:33
kiplantt
32311 silver badge77 bronze badges
answered Jun 15 '1...