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1) Chinese Character Exchange Code (Chinese character code) Chinese Character Exchange Code (Chinese Character Code) is mainly used for Chinese character information exchange. National Standard Code: The Chinese Character Exchange Code stipulated in

Title Description:Given a string, find the first non-repeating character in it and return it ' s index. If it doesn ' t exist, return-1.Examples:s = "Leetcode" return 0.s = "Loveleetcode", return 2.Note:you may assume the string contain only

Andy, 8, has a dream-he wants to produce his very own dictionary. this is not an easy task for him, as the number of words that he knows is, well, not quite enough. instead of thinking up all the words himself, he has a briliant idea. from his

An introduction to the non-direction graph of adjacency matrices The non-direction graph of adjacency matrix refers to the graph represented by adjacency matrix. The above figure G1 contains "a,b,c,d,e,f,g" a total of 7 vertices, and contains

1, defining regular Expressions 1 There are two forms of defining regular expressions, one is the normal way, the other is the constructor method.2 normal way: var reg=/expression/Additional parameterExpression: A string that represents a rule in

Description(1). This manual only selects useful information for translation, if you want to check the full content, please do your own info sort.(2) in the translation, the use of "note" in parentheses, for my addition, non-original content, help to

The user interface and operating system name the files and directories using the system-related pathname string. This class renders an abstract, system-independent view of the hierarchical path name. The abstract path name has two components:An

 Linux sort command explanation Syntax formatSort [-A] [-B] [-C] [-D] [-F] [-I] [-M] [-N] [-R] [-u] [-o outfile][-T character] [-T Directory] [-y [kilobytes] [-Z recordsize] [[+ [fskip][. Cskip] [B] [d] [f] [I] [N] [r] [-[fskip] [. cskip] [

Vim as a editing software has a powerful operation instructions, flexible configuration methods, through the appropriate combination to achieve dazzling functionality, and regular expressions as a processing of text and data important tool, and vim

/* The hardest problem evertime limit: 2000/1000 MS (Java/others) memory limit: 65536/32768 K (Java/others) total submission (s): 15859 accepted submission (s ): 7331 problem descriptionjulius Caesar lived in a time of danger and intrigger. the