新增的数组常见方法:以下说明中,红色为必选参数,蓝色为可选参数 1.indexOf(data,start); 用于返回某个数组或者字符串中规定字符或者字符串的位置; var arr = ["a","b","c","d","e"]; arr.indexOf("a"); //0 //返回当前查询字符所在 ...
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编程语言 时间:
2020-04-08 22:53:58
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134
HDOJ 1051. Wooden Sticks 题目 There is a pile of n wooden sticks. The length and weight of each stick are known in advance. The sticks are to be process ...
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其他好文 时间:
2020-04-08 20:48:30
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82
昨天晚上客户让把他网站上的产品图片都下载下来,虽然心里对这需求有些看不懂,但既然客户有需求,我们就得照做,没办法,谁让我们是苦逼的码农呢。 初看需求,有些茫然,毕竟之前没有接触过这种,但想了一下,觉得似乎也不难,于是就花时间理了一下思路,主要分为以下几步: 第一步:连接图片所在数据库; 第二步:查出 ...
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Web程序 时间:
2020-04-08 19:17:02
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114
Acsc-Stat 300Lab 10 AssignmentThe assignments must be in the correct format.? All code you write in R must be compiled using R-Markdown with the outpu ...
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其他好文 时间:
2020-04-08 19:14:58
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A thread can suspend and resume the execution of another thread. While a thread is suspended, it is not scheduled for time on the processor. If a thre ...
/// <summary> /// 复制文件夹 /// </summary> /// <param name="SourcePath">源路径</param> /// <param name="DestinationPath">目标路径</param> /// <param name="overwr ...
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其他好文 时间:
2020-04-08 12:02:24
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54
n boys and m girls came to the party. Each boy presented each girl some integer number of sweets (possibly zero). All boys are numbered with integers ...
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其他好文 时间:
2020-04-07 23:59:05
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142
Eight Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 41040 Accepted: 16901 Special Judge Description The 15-puzzle has been around for ove ...
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其他好文 时间:
2020-04-07 20:40:18
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86
前言 ReentrantLock 可重入锁,应该是除了 synchronized 关键字外用的最多的线程同步手段了,虽然JVM维护者疯狂优化 synchronized 使其已经拥有了很好的性能。但 ReentrantLock 仍有其存在价值,例如可以感知线程中断,公平锁模式,可以指定超时时间的抢锁等 ...
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编程语言 时间:
2020-04-07 19:58:23
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61
题目描述 In a village called Byteville, there are houses connected with N-1 roads. For each pair of houses, there is a unique way to get from one to anoth ...
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其他好文 时间:
2020-04-07 18:17:31
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69