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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...truncate，不能使用delete，因为delete需要查询，要用到索引读写，并且delete还会写数据库log耗费磁盘IO，存储空间也没有释放。truncate和drop是操作数据库删除数据比较好的做法。由于有两个表作为数据插入表，使用数据库表的自增id...
Why charset names are not constants?
... on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use Charset.UTF8 ?
...
Java: PrintStream to String?
...ByteArrayOutputStream baos = new ByteArrayOutputStream();
final String utf8 = StandardCharsets.UTF_8.name();
try (PrintStream ps = new PrintStream(baos, true, utf8)) {
yourFunction(object, ps);
}
String data = baos.toString(utf8);
...
PHPMailer character encoding issues
...
If you are 100% sure $message contain ISO-8859-1 you can use utf8_encode as David says. Otherwise use mb_detect_encoding and mb_convert_encoding on $message.
Also take note that
$mail -> charSet = "UTF-8";
Should be replaced by:
$mail->CharSet = 'UTF-8';
And placed after...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...; 'root',
'password' => 'venturaa',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
'unix_socket' => '/tmp/mysql.sock',
),
Now just save changes, and reload the page and it must work!
...
Ignoring accented letters in string comparison
...8");
return destEncoding.GetString(
Encoding.Convert(Encoding.UTF8, destEncoding, Encoding.UTF8.GetBytes(s)));
}
I think an extension method would be better:
public static string RemoveAccents(this string s)
{
Encoding destEncoding = Encoding.GetEncoding("iso-8859-8");
retur...
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
...d i figured the following and it helped.
python 2.7 is in use.
# encoding=utf8
import sys
reload(sys)
sys.setdefaultencoding('utf8')
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...m/php/php-src/blob/php-5.6.4/ext/standard/html.c#L471
// php_utf32_utf8(unsigned char *buf, unsigned k)
if ($cp < 0x80) {
return chr($cp);
} else if ($cp < 0xA0) {
return chr(0xC0 | $cp >> 6).chr(0x80 | $cp & 0x3F);
}
...
How to read a text file reversely with iterator in C#
...Func<Stream> streamSource)
: this(streamSource, Encoding.UTF8)
{
}
/// <summary>
/// Creates a LineReader from a filename. The file is only opened
/// (or even checked for existence) when the enumerator is fetched.
/// UTF8 is ...
Modify SVG fill color when being served as Background-Image
...xin:
.element-color(@color) {
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="@{color}" ... /></g></svg>');
}
LESS usage:
.element-color(#fff);
SCSS mixin:
@mixin element-color($color) {
background-image: url('data:image/svg+xml;utf8,<sv...