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How to return a part of an array in Ruby?
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195
Yes, Ruby has very similar array-slicing syntax to Python. Here is the ri documentation for the ...
In a javascript array, how do I get the last 5 elements, excluding the first element?
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You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
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Reset keys of array elements in php?
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Riz-waan
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answered May 8 '12 at 5:09
deceze♦deceze
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How do you grep a file and get the next 5 lines
How do I grep a file for 19:55 and get the Line 1,2,3,4,5?
3 Answers
3
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NumPy array initialization (fill with identical values)
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325
NumPy 1.8 introduced np.full(), which is a more direct method than empty() followed by fill() f...
Is there an equivalent for the Zip function in Clojure Core or Contrib?
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(map vector '(1 2 3) '(4 5 6))
does what you want:
=> ([1 4] [2 5] [3 6])
Haskell needs a collection of zipWith (zipWith3, zipWith4, ...) functions, because they all need to be of a specific type; in particular, the number of input lists they...
Tell Ruby Program to Wait some amount of time
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sleep(2.hours); sleep(3.days) # etc., etc.
# or shorter
sleep(0.5) # half a second
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What is the fastest method for selecting descendant elements in jQuery?
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95
Method 1 and method 2 are identical with the only difference is that method 1 needs to parse the...
基于Windows平台的反Rootkit原理与实现 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术
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2.3 本软件开发基础 ................................ ................................ ................................ 6
2.4 程序界面拟合 ................................ ................................ ........
ERROR: Error installing capybara-webkit:
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answered Jul 23 '12 at 23:50
sitessites
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