normal string

  #!/bin/bash( echo "user" sleep 2 echo "passwd" sleep 3 echo "do something in remote device" sleep 3 echo "exit") | telnet IP The above is non-interactive usage. If you need interactive usage, you can use round CT, and then

From: http://hi.baidu.com/nathena/blog/item/d9b169fd422cc71e09244dd9.html   The downloaded file name is garbledScenario 11. GBK File2. The downloaded file name does not contain spaces.The following code// GBK charset$ Filename = "GBK file. The file

Description:There are n positive integers connected into a row to form a minimum integer.Program input: N countProgram output: Multi-digit join   For example:When n = 2, the minimum integer connected by two integers 32,321 is: 32132,When N = 4, the

ClassicAlgorithmStudy Series: 10. A thorough understanding of Fourier transform algorithm and Author: July, dznlong February 22, 2011 Recommended reading:The scientist and engineer's Guide to Digital Signal Processing, By Steven W. Smith, Ph.

Preg_replace function prototype: Mixed preg_replace (mixed pattern, mixed replacement, Mixed Subject [, int limit]) Note: The/e modifier enables preg_replace () to treat the replacement parameter as PHP code (after appropriate reverse

PHP string functions Addslashes: adds a slash to the string.Bin2hex: Binary to hexadecimal.Chop: removes consecutive gaps.CHR: returns the character of the ordinal value.Chunk_split: Splits a string into segments.Convert_cyr_string: Convert the

Common redis Data Types Redis has the following data types: String Hash List Set Sorted set Before describing these data types, let's take a look at how redis's internal memory management describes these different data types:  First, redis

  This is the keys list of the redis official documentation.   (1) set key value -- set a key to a value (2) Get key -- get the set value (3) DEL key -- delete the set key (4) expire key seconds -- set the time when the key value exists (5) expireat

Today, you need to write a small tool to parse CSV data to Lua, which uses the string in the Lua library. gsub () has never been very familiar with this method. Today, I finally tried it well. It is very powerful, enjoyable, and convenient... The

Jquery greatly simplifies Ajax development and makes Ajax applications necessary for front-end and back-end data transmission. Generally, we can use a normal string as the data transmitted in the front and back ends (for example, we can use special

I,Brief Introduction to JSONIn terms of structure, all data can be divided into three types:  The first type is scalar (scalar), which is a separate string or number (numbers), such as the word "Beijing.The second type is sequence (sequence), that

1. String or byte string? In my opinion, a python string can only be a byte string. You can even store an image or a binary executable file in it. Import typesF = open ('d: // hello.jpg ', 'R ')PIC = f. Read ()Print type (PIC) = types.

I. Architecture Sessionfactory: A thread-safe, immutable cache snapshot of a compiled map file belonging to a single database. Session of the factory. It is possible to hold an optional data cache that can be stored at the process level or at

character encoding As we've already said, strings are also a type of data, but a special string is a coding problem. Because a computer can only handle numbers, if you are working with text, you must convert the text to a number before processing

1. Getting Started First of all you have to use a C + +, Java, JavaScript, and so on, programming small white estimate is more difficult, have some programming experience of Python small white relatively simple. 1.1 Hello world! Python installation

Python escape character Python uses a backslash (\) to escape characters when special characters are needed in characters. As the following table: Python string operatorThe following table instance variable a value is the string "Hello" and the B

Make sure that replacement constitutes a valid PHP code string. otherwise, PHP will report a syntax parsing error in the row containing preg_replace (). Preg_replace function prototype: Mixed preg_replace (mixed pattern, mixed replacement, mixed

Use preg_replace dangerous e modifiers with caution (a single-sentence backdoor is commonly used ). Preg_replace function prototype: mixedpreg_replace (mixedpattern, mixedreplacement, mixedsubject [, intlimit]) Special note: e modifier enables

PHP character functions. AddSlashes: Adds a slash to the string. Bin2hex: binary to hexadecimal. Chop: removes consecutive gaps. Chr: returns the character of the ordinal value. Chunk_split: splits a string into segments. C AddSlashes: Adds a slash

We encountered some problems when using split today. I still do not have a deep understanding of the function. I will make a mark in the close-up. First, let's look at the definitions of the two methods: Function prototype: array split (string $