信号signal 是python进程间进行信号发送的一种机制，其原理是操作系统对进程的控制,是一种程序中断 一个进程一旦接收到信号就会打断原来的程序执行流程来处理信号。 那么singanl到底有什么用呢？ siganl的应用: 1. 故障定位技术(进程的底层故障，例如进程突然中断和一些可能性较小的故 ...
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编程语言 时间：
2018-08-19 21:52:47
阅读次数：
206
You found two items in a treasure chest! The first item weighs weight1 and is worth value1, and the second item weighs weight2 and is worth value2. Wh ...
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其他好文 时间：
2018-08-17 19:57:42
阅读次数：
151
Given array of integers, find the maximal possible sum of some of its k consecutive elements. Example For inputArray = [2, 3, 5, 1, 6] and k = 2, the ...
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其他好文 时间：
2018-08-17 00:43:42
阅读次数：
166
Find the leftmost digit that occurs in a given string. Example For inputString = "var_1__Int", the output should befirstDigit(inputString) = '1'; For ...
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其他好文 时间：
2018-08-16 23:48:29
阅读次数：
296
Given a string, find the number of different characters in it. Example For s = "cabca", the output should bedifferentSymbolsNaive(s) = 3. There are 3 ...
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其他好文 时间：
2018-08-16 23:43:04
阅读次数：
438
Given array of integers, remove each kth element from it. Example For inputArray = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and k = 3, the output should beextr ...
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其他好文 时间：
2018-08-16 00:37:19
阅读次数：
173
Given an array of equal-length strings, check if it is possible to rearrange the strings in such a way that after the rearrangement the strings at con ...
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其他好文 时间：
2018-08-14 21:00:02
阅读次数：
209
Consider integer numbers from 0 to n - 1 written down along the circle in such a way that the distance between any two neighboring numbers is equal (n ...
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其他好文 时间：
2018-08-13 23:56:10
阅读次数：
619
Given two cells on the standard chess board, determine whether they have the same color or not. Example For cell1 = "A1" and cell2 = "C3", the output ...
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其他好文 时间：
2018-08-13 20:48:17
阅读次数：
173
Given a string, replace each its character by the next one in the English alphabet (z would be replaced by a). Example For inputString = "crazy", the ...
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其他好文 时间：
2018-08-13 20:46:31
阅读次数：
171
