ruby remove substring

String The two classes, String and Symbol, provide the ability to represent text and work with text. The two classes are very different. String representation A string is generally wrapped in a set of quotation marks: "That's a string."Single

Type of a value (1) Integral typeThe integer type is divided into two, if within 31 digits (four bytes), that is the Fixnum instance. If more than, that is the Bignum instance. Copy Code code as follows: #整型 integer below are some

Achieve 1 Copy Code code as follows: String.prototype.trim = function () { return this. Replace (/^\s\s*/, '). Replace (/\s\s*$/, '); } It does not look very good, using two of regular replacements, the actual speed is

Original article in this: https://www.cnblogs.com/cnkai/p/7642787.htmlThere is a personal modification and correctionConnecting to a databaseStrictredisFrom Redis import Strictredis#!/usr/bin/env python#Coding:utf-8 fromRedisImportStrictredis

A set of methods for removing spaces in JavaScript. The script home has previously released a lot of code for removing spaces, which is more comprehensive. Implementation 1 The Code is as follows: String. prototype. trim = function (){Return this.

Achieve 1 Copy Code code as follows: String.prototype.trim = function () { Return This.replace (/^\s\s*/, '). Replace (/\s\s*$/, "); } It does not look very good, using two of regular replacements, the actual speed is

Copy codeThe Code is as follows: // static method of String object Object. extend (String ,{ Interpret: function (value ){ Return value = null? '': String (value ); }, SpecialChar :{ '\ B': '\ B ', '\ T':' \ t ', '\ N':' \ n ', '\ F':' \ F ', '\ R':'

Copy codeThe Code is as follows:// Static method of String objectObject. extend (String ,{Interpret: function (value ){Return value = null? '': String (value );},SpecialChar :{'\ B': '\ B ','\ T':' \ t ','\ N':' \ n ','\ F':' \ F ','\ R':' \ R ','\\'

First, start the Python journey interactive mode1.Ctrl + D Enter an EOF character to exit the interpreter, or you can type exit () to exit2. #!/usr/bin/env python3 in #! called Shebang, the purpose is to tell the shell to use the Python interpreter

Copy Code code as follows: static method of String Object Object.extend (String, { Interpret:function (value) { return value = = null? ': String (value); }, Specialchar: { ' \b ': ' \\b ', ' t ': ' \\t ', ' \ n ': ' \\n ', ' \f ': '