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How do you use the ellipsis slicing syntax in Python?
...%r items" % item
...
>>> x = TestEllipsis()
>>> print x[2]
return 2 items
>>> print x[...]
Returning all items
Of course, there is the python documentation, and language reference. But those aren't very helpful.
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round up to 2 decimal places in java? [duplicate]
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12 Answers
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Is there a way to perform “if” in python's lambda
In python 2.6 , I want to do:
16 Answers
16
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How to atomically delete keys matching a pattern using Redis
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23 Answers
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Using jQuery to center a DIV on the screen
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28 Answers
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How to write multiple line string using Bash with variables?
...the command used (echo) is wrong.
Correct would be:
#!/bin/bash
kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
cat /etc/myconfig.conf
This construction is referred to as a Here Document and can be found in t...
Undo working copy modifications of one file in Git?
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2263
You can use
git checkout -- file
You can do it without the -- (as suggested by nimrodm), b...
Accessing JPEG EXIF rotation data in JavaScript on the client side
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262
If you only want the orientation tag and nothing else and don't like to include another huge j...
数据结构、算法复杂度一览表 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...数组作为优先队列)
图G(V,E), V为顶点集, E为边集
O(|V|^2)
O(|V|^2)
O(|V|)
Bellman-Ford最短路径算法
图G(V,E), V为顶点集, E为边集
O(|V||E|)
O(|V||E|)
O(|V|)
排序算法(来源)
算法
数据结构
时间复杂度
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