Write a program that reads a list of words. Then, … 继续阅读 Write a program that reads a list of words. Then, the program outputs those words and their frequencies (case insensitive)(编写一个程序来读取单词列表。然后,程序输出这些单词及其频率(不区分大小写))-python

Convert single element array to string with dot ad… 继续阅读 Convert single element array to string with dot added before the string in Perl(在Perl中,将单元素数组转换为字符串,并在字符串前添加点)-arrays

R Split a Vector to Overlapping Sub-Vectors and Co… 继续阅读 R Split a Vector to Overlapping Sub-Vectors and Conjoin the First and the Last Elements(R将向量拆分为重叠的子向量,并将第一个和最后一个元素连接起来)-r