Emoji, these small cartoon images that express emotion have become an integral part of modern communication, so that Emoji's word has been officially earned in 2015 by Webster's and Oxford's dictionaries. When it comes to the birth of emoji, here's a very interesting little story:Around 1999, a Japanese young man named Kurita Water rang, like many straight men, was often misunderstood for texting his girlfr
Tags: mysql utf8mb4 emojiThe company has new requirements, iOS client to go online comments can use emoji expression function, before MySQL 5.5, UTF-8 encoding only support 1-3 bytes, starting from MySQL 5.5, can support 4 byte UTF encoding utf8mb4, A character can support more character sets and can support more emoji. UTF8MB4 is compatible with UTF8 and can represent more characters than UTF8, which is a
Tags: group mysql set COM has a storage style NIC whyBefore the solution, you have to explain why there is an error, emoji expression occupies 4 bytes, but MySQL database UTF-8 encoding can only store 3 bytes, it will cause storage not to go inHow to troubleshoot emoji storage issuesMySQL UTF8 encodes a character up to 3 bytes, but a emoji expression is 4 bytes,
In recent months to do more development, storage nickname is essential, but this evil support emoji expression do nickname, it is a bit of egg painThe General MySQL table is designed with the UTF8 character set. The nickname field with emoji is gone insert , and the entire field becomes an empty string. What's going on here?It turns out that MySQL's UTF8 character set is 3 bytes, and
Defined:Emoji is the international expressionScene:Emoji expression input and display on 1,IOS,ANDROID,WP2,web also need to be as a support platform for emoji expression on line input and display (parsing)Problem:1,app input expression on the Web side of the display is garbled (such as square brackets, question marks, and the actual encoding)2,mysql Storage Emoji Report Exception (0xF0 0x9F 0x8F 0x8), this
The solution of the emoji expression box in ios5.1 is that the emoji expression cannot work properly on some ios5.1 devices.
Display . Me
Test Ios5.1 (9b176
IPhone 4) the emoji cannot be displayed normally, all of which are boxes.
Ios5.1 (9b179 for iPhone 4S) can display emoji normally.
The reason is that
Emoji is the emoji, in the mobile phone is already very popular use of an expression.
Facing the problem:
Insert emoji expression, save to database times wrong:
Sqlexception:incorrect string value: ' \xf0\x9f\x98\x84 ' for column ' review ' at row 1
The UTF-8 encoding can be two, three, and four bytes. The emoji
If there are comments or information recovery in the project place, often use emoji, sometimes such as the background does not support emoji, will show garbled error, we can turn emoji into Unicode encoding or UTF8 encoding format to the server. Of course, if the background server receives the time can be well judged to identify the best, our side backstage is su
Input box with delete button, this is standard, the implementation of a lot of ways, open source is also a lot of.But, nothing is like a blind toss.Speak.Only on the basis of the original to add the extension. Relatively few intrusions, using the same method as the original. No castration.Full code: Public class exedittext extends appcompatedittext {Rect Clearrect =NewRect (); Public Exedittext(Context context) {Super(context); } Public Exedittext(context context, AttributeSet attrs) {Super(con
Let's give you a description of the problem.
The server side does not support emoji expressions, so the client cannot include emoji expressions when uploading user input.
Solution
Before the client sends the request, determines whether the user input contains an expression and, if it contains an expression, prompts the user to re-enter it. The key to this process is to determine whether the string contai
http://blog.csdn.net/binjly/article/details/47321043Today, the test gave me a bug, said the mobile input emoji expression can not be submitted. Long ago has thought, the cell phone input method comes with the emoji expression, should be some special characters. Since it is a character, it should all be able to submit, but why is it stuck? Search, only to find that the original
Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn Thinkphp's default utf8 does not support Emoji, because Emoji is unicode encoded and each Emoji occupies 4 bytes, you only need to change the data table and column encoding to utf8mb4.
I found a bunch of articles on the Internet and did not write
Filter Emoji in NSString and NSStringEmoji
Sometimes, because of project requirements, you need to filter emoji in NSString.For example:
To communicate with android, android does not support this function yet.
Content is sent as a text message.
The idea is as follows: traverse each NSString character and replace it with another character. Print each character:
NSRange range; for(NSInteger i = 0; i
Recently docking iOS, Android client, need to store emoji and other emoji, crawled online:Objective:The recently developed iOS project, because of the need for user text storage, naturally encountered an issue where emoticons such as emoji were supported by MySQL DB. Troubled for a few days, on the verge of desperate abandonment, finally completed the conversion
Show the emoji demo directly on Android
It took some time to show the emoji issue on the Android mobile phone. Some methods have been found, but for the emoji issue on the website and Twitter, very difficult.
There are senior developers in xda-developerIn his desire, qtotter combined Android OS droidsansfallback. TTF with Softbank
How does mysql search for emoji? Mysql supports the utf8mb4 character set, that is, the storage of emoji emojis is supported.
Is it possible to use emoji as a where condition for select? How can this problem be achieved?
Reply to discussion (solution)
As long as you can play it out in the editor, the query is no different from other characters.
I used chrom
Since the version of the database is now 5.5.2 , but to look at the Internet to directly store emoji emoticons, you need to upgrade to 5.5.3 and then set the CharSet utf8mb4 , but the upgrade database feels sensitive operation.Consider how long after the direct consideration of using regular to replace, but emoji the expression of the code unicode too much, in the Internet to find a code, or 2 years ago upd
Series Index
Unicode and Emoji
Dictionary tree Trietree and performance testing
Production Practice
After the knowledge of Unicode and Emoji is prepared, this article enters the coding link.
When we know that Emoji is a sequence of Unicode characters, it is natural to understand that Emoji find and sens
This article mainly introduces how to use mysql to save emoji expressions (developer nickname ..)
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x92\x94' for colum n 'name' at row 1 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3525) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986) at com.mysql.jdb
The emoji keyboard is very easy to exhale, just remember this shortcut key combination:
Command + CONTROL + SPACEBAR (space)
This key combination will exhale a specialized emoji keypad (interface), it is a large special character panel of the condensed version, the larger special character panel in addition to emoji, but also contains punctuation, curren
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