Mobile phone side will often encounter user input box, input emoji, if the database is UTF8, will encounter error: Sqlexception:incorrect string value: ' \xf0\x9f\x98\x84 ' for column ' review ' At row 1The reason: UTF-8 encoding can be two, three, four bytes. The emoji expression is 4 bytes, while MySQL UTF8 encodes up to 3 bytes, so data cannot be plugged in.FilterPHP Filter
First of all, want to get the system's expression, to first know the expression corresponding to the UTF8 encoding, I will part of the picture Show, and then with the UIButton arrangement, IOS 7 added more than 300 emoji, these can be Baidu found, now on the code:Convert numbers to#define EMOJI_CODE_TO_SYMBOL (x) ((((0x808080f0 | (x 0x3f000) >> 4) | (x 0XFC0) The defined macro turns into UTF8 and takes out the corresponding emoji:Get the default emo
publicvoid Beforetextchanged (Charsequences,intstart,intbefore,intcount) { if (! Resettext) { cursorpos=getselectionend (); // here with s.tostring () And not directly with s because if you use s, // So, Inputaftertext and s are pointing to the same address in memory, S has changed, nbsP;//inputaftertext also changed, then the expression filter failed inputaftertext= s.tostring (); }} @Override publicvoidontextchanged (charsequences,intstart,int Before,intcount) { if (!resettext) { if (count
Pacman's unknown trust problem after pacman is upgraded to 4.0, the installation or upgrade software requires the PGP key. If the key Import fails, an error will occur and exit. The error message is similar to: error: signature from xyz is unknown trust solution is to set/etc/pacman. change the SigLevel value in conf to Never. Modify the SigLevel in the [core] Section as follows: [core] # SigLevel = Package
Comment box with emoji pop-up layer, semantic + emoji picker, java. SQL. SQLException: Incorrect string value: '\ xF0 \ x9F ..',
When you are doing a project on your own and making comments.
I selected the semantic. js prototype. This is not used in many countries, but the number of stars on github is very high. I want to find a js framework on it.
Semantic Chinese Network: http://www.semantic-ui.cn/
With h
Processing of Emoji and string emoji
I suffered a loss of experience because the project bug caused by the Emoji expression was hit twice by the hacker. There are always some naughty children who love to do something with their expressions. For the first time, we changed the table to utf8mb4, and the second statement was hard to solve. After searching for the Int
Label:I solved the problem with his method, the pro-test is available, do not use Navicat for MySQL to query the code,Enter MySQL in the server with the root command and show variables like ' char% '; the encoding of the command query is the most accurate. ㈠ Preface In order to deal with the opportunities and challenges of wireless Internet, avoid the problems caused by emoji emoticons, The UTF8MB4 character set is recommended in advance for MySQL dat
[Mysql] adds support for emoji and mysql adds emoji1. Introduction
We recommend that you use the utf8mb4 character set in advance for MySQL databases related to wireless connection to avoid problems caused by emoji.
MySQL Server> 5.5.32. Configuration + upgrade the current configuration
mysql> \s--------------mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (i386) using readline 5.1Connection id:
Interpretation of the Emoji Open-Source Project (2) custom emojis and the emoji open-source project
Introduction
In the previous section, we explained a system Emoji expression. In this section, we talked about custom expressions, such as QQ and so on. Just two days ago, we saw an application similar to QQ, although there are still many things that need to be imp
After the basic archlinux system is installed, you must use the pacman tool to update the system and install new software. You can use the aria2 tool to greatly increase the download speed. Aria2 is a download tool similar to thunder. It can be used to download multi-threaded multipart download files, saving a lot of time.
Today, the habitual Pacman-syu finds that files cannot be downloaded and always repo
Canvas draws a commonly used emoji expression, while canvas draws emoji
:
The Code is as follows:
The above is all the content of this article. I hope this article will help you in your study or work. I also hope to provide more support to the customer's home!
Configure the insert of emoji characters and insert of emoji characters
An error is reported when a character is inserted in a recently created Project.
ERROR 1366: 1366: Incorrect string value: '\xF0\x9D\x8C\x86' for column 'vl' at row 1
After struggling for several hours, I solved it ~~ You only need to convert utf8 to utf8mb4.
This problem is actually not that difficult. It took a long time to solve the
The general database encoding is UTF8,UTF8 does not support the storage of emoticons, when the nickname with the expression will appear garbled, there are two ways to solve:1.mysql database upgrade to more than 5.5 version, UTF8 to UTF8MB4,UTF8MB4 characters can be up to 4 bytes, can store emoticons, restart the database server, this method may be invalidated;2. Filter out emoji in Java code, simple and efficient, below is the tool class that filters
In the "Pacman" game, there are 3 different types of enemies planned.· Loose type: Will not look back until it touches the wall· Guard type: When the enemy and the protagonist "Big Mouth" in the same row or the same column will be alerted to close to the big mouth.· Disturbing: Constantly approaching the big mouth.These three enemies are implemented using the following functions:Ai ai handles void redone::makedecision (bool b) {int i = rand (); if (b)
Pacman game is the game of a more classic game, we plan to eat beans as the first game.Development tools for Visual Stdio 2013.The game plan is:
Filename
File type
Description
GMap.h
Header file
Map class declaration file
GMap.cpp
source file
Map class implementation file
GObject.h
Header file
Object class declaration file
GObject.cpp
Topic: Given a plane of some points, eat Mr. Bean from the origin, can only go right or upward, beg two eat Mr. Bean up to how many beansEach point is split into two, with a flow rate of 1, and a cost of 1 sides;If you can get to another point from one point, connect the out point of the previous point back to the point in the pointRun the cost stream. But it's obviously going to be tle.If I can go to J,j to K, then obviously need not even i->k this edge this is a pruningAfter adding this prunin
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