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NanyiDate: October 28, 2007Today at noon, I suddenly want to understand the relationship between Unicode and UTF-8, so I began to search the Internet information.As a result, the problem was more complicated than I thought, and it was only after lunch that I saw 9 o'clock at night.Here is my notes, mainly used to organize their own ideas. But I try to be easy to write and I hope to be useful to other friend

Transfer from http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.htmlToday at noon, I suddenly want to understand the relationship between Unicode and UTF-8, so I began to search the Internet information.As a result, the problem was more complicated than I thought, and it was only after lunch that I saw 9 o'clock at night.Here is my notes, mainly used

At noon today, I suddenly wanted to figure out the relationship between Unicode and UTF-8, so I began to look up information online. As a result, this problem is more complicated than I thought. After lunch, we can see that the problem is fixed at AM. Below are my notes, mainly used to sort out my own ideas. However, I try to make it easy to understand and hope it can be useful to other friends. After all,

ArticleSource http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.html At noon today, I suddenly wanted to figure out the relationship between Unicode and UTF-8, so I began to look up information online. As a result, this problem is more complicated than I thought. After lunch, we can see that the problem is fixed at AM. Below are my notes, ma

From: Http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.html At noon today, I suddenly wanted to figure out the relationship between Unicode and UTF-8, so I began to look up information online. As a result, this problem is more complicated than I thought. After lunch, we can see that the problem is fixed at AM. Below are my notes, mainly used to sor

Java 8 enhanced tool class Arrays notes, java8arrays Make notes at willArrays tool categories are divided into two categories: Single-thread and multi-threadAll of the following statements with a subscript range are headers without tails.Single thread:1. binarySearch: The subscript of the key in the search array: binarySearch binary search. The array must be orde

selector that determines which part of a CSS attribute is used for a paragraph. For details about the list style list type, see Chapter 11-15 of the eighth learning notes in HTML5 and CSS3 basic tutorial, chapter 1 (1) disc (solid dot) (2) circle (hollow circle) (3) square (solid square) (4) decimal (number 1, 2 ,...) (5) decimal-leading-zero (numbers 01, 02, 03... There are leading 0, compared with HTML5

, TCP guarantees that the byte stream of the network layer is correctly arrived, and that the upper logic (application layer) is not guaranteed to be accurate. Therefore, there are the following suggestions:(1) can be based on the needs of their own data encoding, compression, encryption;(2) can refer to some open source key, encryption algorithm, authentication, certificate, such as the use of the Protocol;(3) Once done, to payload to Base64, and made a MD5 digest, to the end of the MD5 to veri

distinguish Unicode and ASCII? How does a computer know that three bytes represent one symbol instead of three symbols? The second problem is that we already know that only one byte is enough for English letters. If Unicode is uniformly defined, each symbol is represented by three or four bytes, therefore, two to three bytes in front of each English letter must be 0, which is a huge waste for storage. Therefore, the size of the text file is two or three times larger, which is unacceptable. Th

Install Linux for others yesterday. Take notes as follows:Fedora 8 hard disk installation method is actually very easy, the following refer to the post on the network. 1. Preparations before installation: to install fedora 8 from the hard disk, ensure that the disk storing the feora8 image file is in the FAT32 format. In addition, you need to leave a part of the

First, find out the IP addr command result in the native all IPV4 addressBash:grep ' (?:\ D+\.) {3}\d+/\d+'127.0. 0.1/8172.18. 16.4/Python3:[Email protected] ~/py $ cat ipaddr.py#!/usr/bin/python3#-*-coding= ' utf-8 '-*-ImportReImportSUBPROCESSIPB= Subprocess.check_output ('IP Addr', shell=True) ipaddr= Ipb.decode ('Utf-8') Ip1,ip2= Re.findall (r'(?:\ D+\.) {3}\d+/\d+', ipaddr)Print(IP1, IP2) [email protect

In the previous article I introduced "talk about my understanding of JavaScript prototypes and closures (handy notes 6)", and talk about my understanding of JavaScript prototypes and closures (handy notes 9) for details. Execution context Stack When the global code is executed, an execution context environment is generated, and each invocation of the function produces an execution context. When the functi

common attack methods, the current popular attack technology and the corresponding preventive measures. SQL injection is a very interesting part, but because of this week's reading volume is relatively large, I just read the contents of the book, has not yet started the actual operation. 2, until now, the book has been all read, is completed in my reading plan, because I began to develop a reading plan, did not consider this is a professional class of reference books, ignoring the practice

Java training notes (8) MYSQL: functions are explained first today. functions are mainly divided into: 1. Aggregate functions 2. String functions 3. Date functions 4. mathematical functions Aggregate functions: A value is generated after a group of values are calculated. Common functions: function name function meaning Count () counts the maximum number of non-empty rows calculated by Max () and min, Java t

CI framework Source Code Reading Notes 8 Controller. php. CI framework Source Code Reading Notes 8 Controller. php recent time is a little tight, the source code reading series updates are somewhat slow. In view of the few codes in the Controller, this Blog first updates the source CI framework source code of this file

Java programmer's JavaScript learning notes (8 -- jQuery selector) We plan to complete this note in the following order:1. concept.2. Copy and inherit attributes.3. this/call/apply.4. Closure/getter/setter.5. prototype.6. object-oriented simulation.7. Basic jQuery mechanism.8. jQuery selector.9. jQuery tool method.10.

Dynamic CRM 2013 learning notes (1) plugin input entity Parameter Parsing Dynamic CRM 2013 study notes (2) Basic plug-in usage and debugging Dynamic CRM 2013 learning notes (3) quick creation of entity entitycreater Dynamic CRM 2013 learning notes (4) Document No. and plug-in batch registration tools After the approv

Clamav AntiVirus software source code analysis notes [8] Hedgehog @ http://blog.csdn.net/littlehedgehog [Command] The last time we talked about the main loop (accept_th), this is an endless loop, because Clamd is stuck and waiting for a client to send a request without any special circumstances, then we arrange thread dispatch, and then our attention is focused on thread operations. Here the command i

1: How to make a Help document (learn)(1) Write a Class (2) to add a document note (3) generated by the Javadoc tooljavadoc-d directory-author-version Arraytool.javaHow to use the Help document 1: Open Help document 2: Click on the display, locate the index, and see the Input box 3: Know who you're looking for? Take scanner Example 4: Enter scanner in the input box and return to 5: Look at the class under the package Java.lang does not need to

', 1981, ' Langfang ', ' Hebei ', 2001) INSERT into T_reader (Fid, FName, fyearofbirth,fcity, fprovince , Fyearofjoin) VALUES (3, ' Jerry ', 1966, ' Dongguan ', ' Dongguan ', 1995) INSERT into T_reader (Fid, FName, Fyearofbirth,fcity, Fprovince, Fyearofjoin) VALUES (4, ' Lily ', 1972, ' Jiaxing ', ' Zhejiang ', 2005) INSERT into T_reader (Fid, FName, Fyearo Fbirth,fcity, Fprovince, Fyearofjoin) VALUES (5, ' Marry ', 1985, ' Beijing ', ' Beijing ', 19