emoji

问题 I have an emoji, and I want it to be white, but when I run the program it appears red. How do I change it to white? rating.text = "\(♥♥♥♥♥)" rating.textColor = UIColorRGB("ffffff") 回答1: The following answer explains why you can't change the color of Emoji characters. The glyphs are essentially images. If you want to be able to use a heart symbol that you can color, try using one of the non-Emoji heart characters like ♥︎ . Or ensure the label's font isn't using the Apple Color Emoji font. 回答2:

问题 I am trying to insert emoji / emoticons to MSSQL database but it just stores ??? instead of the emoji / emoticons. I am finding only help for MSSQL not MySQL I tried : link but not finding answers even not able to set with : ALTER TABLE mytable charset=utf8mb4, MODIFY COLUMN textfield1 VARCHAR(255) CHARACTER SET utf8mb4,MODIFY COLUMN textfield2 VARCHAR(255) CHARACTER SET utf8mb4; MSSQL does not recognize this command. this is only for Microsoft SQL server not MySQL 回答1: Use NVARCHAR(size)

问题 I am trying to understand how emojis work and the other thing is how does any textarea in my browser handle a seemingly 2 chars represented as one? For example: "👍".length // -> 2 More examples here: https://jsbin.com/zazexenigi/edit?js,console 回答1: Javascript uses UTF-16 (source) to manage strings. In UTF-16 there are 1,112,064 possible characters. Now, each character uses code points to be represented(*). In UTF-16 one code-point use two bytes (16 bits) to be saved. This means that with one

问题 Is it possible to re-encode emoji 3 or 4 byte strings into emoji again? I inherited a MySQL Innodb table with utf8_unicode_ci encoding. These emoji 4 byte strings are everywhere. Is it possible to translate them back into emoji? First step was to modify the character set to utf8mb4 . This changed all strings like ð��£ to strings like this: 😊 . But what I really want is to translate 😊 into something like . (I have no idea if 😊 is really a smiley) 回答1: Inspired by Ignacio Vazquez

问题 I'm working on default emojis in iOS. i'm able to successfully encode and decode default emojis using NSNonLossyASCIIStringEncoding encoding. Its working fine when i sent emojis with simple text but it returns nil when some special character is added in string. How do i make it work ? Code : testString=":;Hello \ud83d\ude09\ud83d\ude00 ., <> /?\"; NSData *data = [testString dataUsingEncoding:NSUTF8StringEncoding]; NSString *strBody = [[NSString alloc] initWithData:data encoding

问题 My current issue is that I am trying to grey out a button with emojis in it. Nevertheless it seems that, due the nature of emojis, it is not possible to change the color using HTML / CSS properties. I.e.: <button disabled> 🎨_myText </button> <p style="color:grey"> 👎_myText2 </p> 回答1: If you're looking to just change the Emoji colour to grey, you can do so using filter: grayscale: <button style="filter: grayscale(100%);" disabled>🎨_myText</button> <p style="color:grey; filter: grayscale(100%);

问题 I am trying to figure out how to check if a string contains a specfic emoji. For example, look at the following two emoji: Bicyclist: http://unicode.org/emoji/charts/full-emoji-list.html#1f6b4 US Flag: http://unicode.org/emoji/charts/full-emoji-list.html#1f1fa_1f1f8 Bicyclist is U+1F6B4 , and the US flag is U+1F1FA U+1F1F8 . However, the emoji to check for are provided to me in an array like this, with just the numerical value in strings: var checkFor = new string[] {"1F6B4","1F1FA-1F1F8"};

问题 I've downloaded Google's "Noto Color Emoji" font, but can't get it to work. I have no problems with fonts like "Noto Sans Regular". But with the "Noto Color Emoji" font I get the following errors in Firefox (on Windows 10): downloadable font: no supported glyph shapes table(s) present (font-family: "NotoColorEmoji" style:normal weight:normal stretch:normal src index:0) downloadable font: rejected by sanitizer (font-family: "NotoColorEmoji" style:normal weight:normal stretch:normal src index:0

问题 How to convert UTF16 (emoji) to HTML Entity (hex) using java I have the string from DB like this "\uD83D\uDE02". I try to display this unicode emoji, it displays as ��. I search in google to convert UTF16 to Html hex code. But i didnt get any solution. Please help me I will show this unicode to Emoji smily icon 回答1: You can use emoji4j library for this. For example: String line = "Hi , i am fine \uD83D\uDE02 \uD83D\uDE02, how r u ?"; EmojiUtils.hexHtmlify(line); //Hi , i am fine 😂 😂, how r u

问题 I'm trying to detect emoji in my php code, and prevent users entering it. The code I have is: if(preg_match('/\xEE[\x80-\xBF][\x80-\xBF]|\xEF[\x81-\x83][\x80-\xBF]/', $value) > 0) { //warning... } But doesn't work for all emoji. Any ideas? 回答1: if(preg_match('/\xEE[\x80-\xBF][\x80-\xBF]|\xEF[\x81-\x83][\x80-\xBF]/', $value) You really want to match Unicode at a character level, rather than trying to keep track of UTF-8 byte sequences. Use the u modifier to treat your UTF-8 string on a