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[cpu]TI cortex-A9 查看cpu的频率
Hi Aaron,For checking and changing Cortex-A9 CPU frequency in u-boot, refer to the below files:u-boot/arch/arm/cpu/armv7/am33xx/clock_am43xx.cu-boot/a ...
分类:其他好文   时间:2017-11-13 13:54:47    阅读次数:167
TF-IDF算法——原理及实现
TF-IDF算法是一种用于信息检索与数据挖掘的常用加权技术。TF的意思是词频(Term - frequency),IDF的意思是逆向文件频率(inverse Document frequency). TF-IDF是传统的统计算法,用于评估一个词在一个文档集中对于某一个文档的重要程度。它与这个词在当前 ...
分类:编程语言   时间:2017-11-12 12:25:00    阅读次数:272
697. Degree of an Array
697. Degree of an Array Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one ...
分类:其他好文   时间:2017-11-07 22:17:30    阅读次数:140
java Collections 工具类
1.reverse反转2.shuffle随机排序3.sort自然排序4.sort指定比较器排序5.swap将下标位置为x和y的元素进行交换6.max 最大值7.min 最小值8.frequency 计算元素个数9.copy复制List10.replaceAll 替换所有元素 import java. ...
分类:编程语言   时间:2017-11-06 18:04:10    阅读次数:202
配置elastalert(二)
接第一篇,之前已经创建好规则了,这篇主要讲如何把安装的elastalert用起来。创建规则每个规则定义要执行的查询,触发匹配的参数,以及每个匹配的触发警报列表。我们将使用example_rules/example_frequency.yaml作为模板:#(Required) #Rulename,mustbeunique name:Examplefreq..
分类:其他好文   时间:2017-11-01 00:02:29    阅读次数:427
显式等待和隐式等待
1.WebDriverWait类,由webdriver提供的等待方法,格式: WebDriverWait(dirver,timeout,poll_frequency=0.5,ignored_exceptions=None) driver:浏览器驱动 timeout:最长超时时间,默认单位秒 poll ...
分类:其他好文   时间:2017-10-25 13:04:31    阅读次数:115
[LeetCode] Degree of an Array 数组的度
Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. Your t ...
分类:编程语言   时间:2017-10-24 14:06:10    阅读次数:200
697. Degree of an Array
Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. Your t ...
分类:其他好文   时间:2017-10-19 15:02:32    阅读次数:164
[LeetCode] Top K Frequent Words 前K个高频词
Given a non-empty list of words, return the k most frequent elements. Your answer should be sorted by frequency from highest to lowest. If two words h ...
分类:其他好文   时间:2017-10-19 00:16:48    阅读次数:250
451. Sort Characters By Frequency 按频率排序字符
Given a string, sort it in decreasing order based on the frequency of characters.Example 1:Input: "tree" Output: "eert" Explanation: 'e' appears twice... ...
分类:编程语言   时间:2017-10-17 01:09:25    阅读次数:134
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