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How do I generate a stream from a string?
...erateStreamFromString(string value)
{
return new MemoryStream(Encoding.UTF8.GetBytes(value ?? ""));
}
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Calculate a MD5 hash from a string
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In general you should hash a lossless text encoding, like UTF8.
– Oliver Bock
Jul 1 '16 at 1:57
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Sending images using Http Post
...Builder builder = MultipartEntityBuilder.create();
builder.setCharset(MIME.UTF8_CHARSET);
if (career != null)
builder.addTextBody("career", career, ContentType.create("text/plain", MIME.UTF8_CHARSET));
if (gender != null)
builder.addTextBody("gender", gender, ContentType.create("text/plain"...
App Inventor 2 列表积木完全指南：从入门到精通，一篇搞定数据存储 - App...
...互转
App Inventor 2 提供了一组 CSV 相关积木，方便列表与文本之间的格式转换：
列表转换为CSV行：一维列表转CSV文本，如 [a,b,c] 变为 "a","b","c"CSV行转换为列表：CSV文本转一维列表，如 a,b,c 变为 ["a&quo...
Best way to convert text files between character sets?
...hat you don't have to know the source encoding
vim +"set nobomb | set fenc=utf8 | x" filename.txt
Be aware that this command modify directly the file
Explanation part!
+ : Used by vim to directly enter command when opening a file. Usualy used to open a file at a specific line: vim +14 file.txt
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...e
return codecs.utf_8_decode(input, errors, True)
UnicodeDecodeError: 'utf8' codec can't decode byte 0x96 in position 19: invalid start byte
In this case, the encoding is windows-1252 so you have to do:
>>> 'my weird character \x96'.decode('windows-1252')
u'my weird character \u2013'...
Compression/Decompression string with C#
...;
}
}
public static byte[] Zip(string str) {
var bytes = Encoding.UTF8.GetBytes(str);
using (var msi = new MemoryStream(bytes))
using (var mso = new MemoryStream()) {
using (var gs = new GZipStream(mso, CompressionMode.Compress)) {
//msi.CopyTo(gs);
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Using awk to remove the Byte-order mark
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Not awk, but simpler:
tail -c +4 UTF8 > UTF8.nobom
To check for BOM:
hd -n 3 UTF8
If BOM is present you'll see: 00000000 ef bb bf ...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
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sure, but if it's UTF8-encoded data (as I guess), then .decode('utf-8') should do the trick, nor?
– ch3ka
May 2 '12 at 0:29
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How to initialise a string from NSData in Swift
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Swift 2.X or older
let datastring = NSString(data: fooData, encoding: NSUTF8StringEncoding)
Swift 3 or newer:
let datastring = NSString(data: fooData, encoding: String.Encoding.utf8.rawValue)
This doc explains the syntax.
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