Database-level UTF-8
If you use PHP to operate to MySQL, sometimes even if you do all of the above, your string may still face the problem of storing it in a non-UTF-8 format in the database.To ensure that your strings are used UTF-8 from PHP to MySQL, check that your database and data tables are set to UTF8MB4 character set and collation, and make sure that your PDO connection request also uses the UTF8MB4 character set. See the example code below, which is very important.Please note that for
Continue to type the following line of code: Then the previous code writes:Message2.lowercasestring + "Okay, I ' m working on it"Swift allows to concatenate-strings with the + operator. The line of code converts the content of Message2 to lower case and then concatenated with another string. Interestingly, you can include emoji characters in your code. Wonder how to type emoji characters in Mac OS. It ' s e
.1.1.
Object Attributes
There are two ways to access object attributes: vertex operator (.) and brackets operator ([]).1.1.1.
Point operator (
.
)
When you know the attribute name, use the vertex operator.
Here is an example of reading object attributes using the vertex OPERATOR:
Var myObj = {Prop1: "val1 ",Prop2: "val2"};Var prop1val = myObj. prop1; // val1Var prop2val = myObj. prop2; // val21.1.2.
Brackets operator (
[]
)
The second method for accessing objects is the brackets operator ([]). i
P1905 Life Big Bang version stone scissors clothDescribeStone scissors cloth is a common scissors game: Stone wins scissors, scissors wins cloth, Bushe stone. If two people punch the same, then dead heat. In the 8th episode of the second quarter of the Big Bang, a new version of the rock-and-scissors-cloth game appeared. The upgraded version of the game is based on the traditional stone scissors cloth game, adding two new gestures:Spock: One of the leading stars of Star Trek. Lizard Man: The rev
({"_id": "Chunksize", "value": +}); #单位是m
7. Manually move the Block Sh.movechunk ("Test.users", {"user_id": Numberlong ("223439877780288900")}, "Spock");
Move the block with user_id 223439877780288900 to the Shard named Spock.You must use the slice key to find the block you want to move. The simplest way to usually specify a block is to specify his lower bounds, but any value within the specified block range can be (except the maximum). 8. Extr
itself does not save the data, it loads the cluster data from the configuration server at startup. You can start any number of mongos processes. The usual settings are when each application server uses a MONGOs process (running on the same machine as the application server) Each mongos process must be sorted by list, using the same list of configuration servers. 3). Convert a replica set to a shard: There are two possibilities: there is already a replica set, or a cluster is built from scratch.
Tags: so the body client key XML--Encoding Method Name ToolIncorrect string value garbled problem in MySQL solutionHave you ever encountered an error similar to the following? Java.sql.SQLException:Incorrect string value: ' \xf0\x9f\x92\x9c ' for column ' content ' at row 1. The reason for this exception is that the UTF8 encoding in MySQL will store a character up to 3 bytes if the UTF8 of a character Encoding takes up 4 bytes (most commonly the emoji
I read the user's nickname through the interface, but many of the names are special characters, such as these special words designators not into the MySQL database is meaningless. So I want to filter, the name of the character only the Chinese characters and numbers extracted. How to write this in PHP.
Reply content:
I read the user's nickname through the interface, but many of the names are special characters, such as these special words designators not into the MySQL database is meaningle
Clever operations on regular expressions in JS and clever operations on JS
If you don't talk much about it, paste the Code directly. The specific code is as follows:
Var msg = "dsada [emoji: 37] dsadas [emoji: 3900] farfarafen River"; function fetch (msg) {var match, result = msg, reg =/\ [emoji: \ d + \]/g, emojiIndex, totalEmojiNum = 45; while (match = reg.ex
Twitter has released its full emoji facial images of open source. Developers can go to GitHub to download the full expression Library and add these expressions to their apps or Web pages.These days in the chat project just use, record down easy to use.Call mode
HTML code
OK, this can be invoked on these two lines of code. How to display the textarea after the call, and submit to the page. Since the
1. Click on the expression
1.1 Expression Magnification interface
1.2 Realization Ideas
1> Monitor Emoji button click
2> can only display one magnifying glass at a time, create one, do not create it repeatedly
3> Magnifier should be as a whole hwemotionpopview, and relatively simple, with xib to achieve, provide class method
4> lazy Loading in Hwemotionpageview Hwemotionpopview
Note 1 : Hwemotionpopview Add location i
(); the + } - the @TestBayi the Public voidTestgetmenu () { the - Try { - theSystem.out.println ("----------------------------"); the theResultactions actions = the - This. Mockmvc.perform (Get ("/menu/manage.action")); the theSystem.out.println (status ());// the 94 System.out.println (Content (). toString ()); the the actions.andexpect (Status (). IsOk ()); the 98 //Actions.andexpect (Content (). ContentType ("text/html")); About -System.out.println ("----------------------------"
Ask a php array and String Conversion question. I have the following string: {code...} except using the explode function for segmentation, is there any other way to quickly convert it to an array. Ask a php array and String Conversion question. I have the following string:
["Approval", "bbcode", "emoji", "english", "flags", "likes", "simplified-chinese"]
In addition to using the explode function for segmentation, is there any other way to quickly
The requirements are as follows: On the left, the right is the finished figure.Specific requirements Description: The user's reply is a cell, the number of words is variable. When there is a condition, you need to add a clickable Delete button small icon after the last word of the text (possibly wrapping), and the text supports the emoji emoji.Resolution process:1, a see this text needs to be interspersed with pictures of the Nstextattachment object i
(ASC) {s= [text Substringwithrange:rg];//because it's ASCII, it's not wrong to take it directly. } Else{__block Nsinteger idx=0; __block NSString*trimstring =@"";//the truncated string//using string traversal, this method can know exactly whether each emoji is a Unicode or two[Text Enumeratesubstringsinrange:nsmakerange (0, [text length]) options:nsstringenumerationbycomposedcharactersequence S Usingblock:^ (nsstring* substring
corresponding to the iconUsing the FontLab Studio 5 tool to open a font file (such as Fontello.ttf), you can see the correspondence between the icon and the Unicode code.4. Use the iconUILabel *label = [[UILabel alloc] Initwithframe:cgrectmake (Ten, $, +)];label.font = [Uifont fontwithname:@] Fontello "Size:35];label.text = @" \u0000e802 \u0000e801 \u0000e803 \u0000e804 \u0000e805 \u0000e81a "; label.textColor = Uicolorfromrgb (0xff7300); [Self.view Addsubview:label];In Objective-c, the custom
complete the configuration by reading the configuration file given beforehand;Configuration options given by a specific syntax;Kickstart file (answer file)Install boot boot option: Boot:Text: How to install textsAskmethod: Manually specify the installation method to useNetwork-related boot options:Ip=ipaddrNetmask=maskGateway=gwDns=dns_server_ipIfname=name:mac_addr650) this.width=650; "Style=" border-top:0px;border-right:0px;border-bottom:0px;padding-bottom:0px;padding-top:0 px;padding-left:0px
.
Often check out these small copies and write down the possible trends you find in your notebook. Repeatedly doing this, you will learn how to make successful application design, marketing, and different pricing models. The process of this study is simple, not a penny, and interesting.
2. Research successful applications
How do you know what the market needs for your application? Look at the top-tier apps. Are these top applications similar to those you want to develop? If so, yo
must be C or begin with D
1 bytes of UTF-8 hexadecimal encoding must start with a 8 smaller number
Three. Emoji of common problem handlingThe so-called emoji is a character that is in \u1F601 \u1F64F the-section of Unicode. This clearly exceeds the encoding range of the currently used UTF-8 character set \u0000 – \uFFFF . Emoji expression with the popul
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