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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
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utf8_general_ci is a very simple — and on Unicode, very broken — collation, one that gives incorrect results on general Unicode text. What it does is:
converts to Unicode normalization form D for canonical decompositio...
How do I enable MSDTC on SQL Server?
...wered Aug 11 '08 at 12:04
Lars MæhlumLars Mæhlum
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How to make MySQL handle UTF-8 properly
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Update:
Short answer - You should almost always be using the utf8mb4 charset and utf8mb4_unicode_ci collation.
To alter database:
ALTER DATABASE dbname CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
See:
Aaron's comment on this answer How to make MySQL handle UTF-8 properly
W...
How can I transform string to UTF-8 in C#?
...:
byte[] bytes = Encoding.Default.GetBytes(myString);
myString = Encoding.UTF8.GetString(bytes);
Another thing you may have to remember: If you are using Console.WriteLine to output some strings, then you should also write Console.OutputEncoding = System.Text.Encoding.UTF8;!!! Or all utf8 strings...
How can I remove non-ASCII characters but leave periods and spaces using Python?
...ignore all symbols that are not supported. For example, the Swedish letter å is not an ASCII character:
>>>s = u'Good bye in Swedish is Hej d\xe5'
>>>s = s.encode('ascii',errors='ignore')
>>>print s
Good bye in Swedish is Hej d
Edit:
Python3: str ->...
How to change collation of database, table, column?
The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci .
19 Answers
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When should I create a destructor?
...ed Feb 4 '11 at 13:58
Øyvind BråthenØyvind Bråthen
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Why would json_encode return an empty string
...ns probably a faulty response, some strings were probably not UTF-8
using utf8_encode() on those string solved my problem, but see note below
Here is a recursive function that can force convert to UTF-8 all the strings contained in an array:
function utf8ize($d) {
if (is_array($d)) {
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...ne will see squares if you are not using fonts that support them.
MySQL's utf8 only supports basic multilingual plane, and you need to use utf8mb4 instead:
For a supplementary character, utf8 cannot store the character at all,
while utf8mb4 requires four bytes to store it. Since utf8 cannot s...
Pickle or json?
... answered Feb 13 '10 at 22:22
Håvard SHåvard S
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