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App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
... offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e....
MySQL: What's the difference between float and double?
...,
`decimal_2` decimal(10,5) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
INSERT INTO `_numerics`
(
`float_1`,
`float_2`,
`double_1`,
`double_2`,
`decimal_1`,
`decimal_2`
)
VALUES
(
1.3,
1.3,
1.3,
1....
What is the difference between varchar and nvarchar?
...= 'NLS_CHARACTERSET'.
If your NLS_CHARACTERSET is a Unicode encoding like UTF8, great. Using VARCHAR and NVARCHAR are pretty much identical. Stop reading now, just go for it. Otherwise, or if you have no control over the Oracle character set, read on.
VARCHAR — Data is stored in the NLS_CHARACTE...
How do I connect to a MySQL Database in Python?
... db='db',
charset='utf8mb4',
cursorclass=pymysql.cursors.DictCursor)
try:
with connection.cursor() as cursor:
# Create a new record
sql = "INSERT INTO `users` (`email`, `password`) VALUES (%s, %...
Process escape sequences in a string in Python
..., e.g. s.encode('utf-8').decode('unicode_escape').encode('latin1').decode('utf8')
– metatoaster
May 25 '18 at 9:01
|
show 6 more comments
...
Convert Python dictionary to JSON array
..., in raw_decode
obj, end = self.scan_once(s, idx)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start byte
Ultimately you can't store raw bytes in a JSON document, so you'll want to use some means of unambiguously encoding a sequence of arbitrary bytes as an AS...
How to Create Deterministic Guids
...
public static Guid ToGuid(string src)
{
byte[] stringbytes = Encoding.UTF8.GetBytes(src);
byte[] hashedBytes = new System.Security.Cryptography
.SHA1CryptoServiceProvider()
.ComputeHash(stringbytes);
Array.Resize(ref hashedBytes, 16);
return new Guid(hashedBytes);
}
...
How to find the size of localStorage
...
Depends on the character set (i.e. utf8, etc) which that doesn't account for
– jas-
Sep 24 '14 at 11:18
...
How do I see the current encoding of a file in Sublime Text?
...saved by Sublime Text in this session. Once saved by ST , it then reports 'UTF8' until closed (on re-opening the guessing starts over).
– mklement0
Dec 24 '15 at 3:48
...
HTTP URL Address Encoding in Java
...that this isn't UTF-8. To get UTF-8 just pre-process the input with String utf8Input = new String(Charset.forName("UTF-8").encode(input).array()); (taken from here)
– letmaik
Oct 8 '11 at 19:44
...