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How do I convert from BLOB to TEXT in MySQL?
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That's unnecessary. Just use SELECT CONVERT(column USING utf8) FROM..... instead of just SELECT column FROM...
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推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有一个用户和一条新闻。通过分析用户的行为以及新闻的文本内容，我们提取出数个关键字，如下图：
将这些关键字作为属性，把用户和新闻分解成向量，如下图：
之后再计算向量距离，便可以得出该用户和新闻的相似度了...
How can I search (case-insensitive) in a column using LIKE wildcard?
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SELECT *
FROM trees
WHERE trees.`title` COLLATE UTF8_GENERAL_CI LIKE '%elm%'
Actually, if you add COLLATE UTF8_GENERAL_CI to your column's definition, you can just omit all these tricks: it will work automatically.
ALTER TABLE trees
MODIFY COLUMN title VARCHAR(…) C...
Using PowerShell to write a file in UTF-8 without the BOM
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Using .NET's UTF8Encoding class and passing $False to the constructor seems to work:
$MyRawString = Get-Content -Raw $MyPath
$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
[System.IO.File]::WriteAllLines($MyPath, $MyRawS...
How to get UTF-8 working in Java webapps?
...g:
CREATE DATABASE `ID_development`
/*!40100 DEFAULT CHARACTER SET utf8 COLLATE utf8_swedish_ci */;
Then, all of the tables need to be in UTF-8 also:
CREATE TABLE `Users` (
`id` int(10) unsigned NOT NULL auto_increment,
`name` varchar(30) collate utf8_swedish_ci default NULL
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Effective way to find any file's Encoding
... 0xef && bom[1] == 0xbb && bom[2] == 0xbf) return Encoding.UTF8;
if (bom[0] == 0xff && bom[1] == 0xfe && bom[2] == 0 && bom[3] == 0) return Encoding.UTF32; //UTF-32LE
if (bom[0] == 0xff && bom[1] == 0xfe) return Encoding.Unicode; //UTF-16LE
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Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
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MySQL case insensitive select
...lumn in create table statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
– gregthegeek
Mar 19 '14 at 18:56
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Differences between utf8 and latin1
what is the difference between utf8 and latin1?
2 Answers
2
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How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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