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What is Unicode, UTF-8, UTF-16?
...e this:
Every character holds an enumerated position from 0 to 1,114,111 (hex: 0-10FFFF) called code point.
An encoding form maps a code point to a code unit sequence. A code unit is the way you want characters to be organized in memory, 8-bit units, 16-bit units and so on. UTF-8 uses 1 to 4 units ...
Creating SolidColorBrush from hex color value
I want to create SolidColorBrush from Hex value such as #ffaacc. How can I do this?
6 Answers
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的Web Server，会存在大量的TIME_WAIT状态，假如server一秒钟接收1000个请求，那么就会积压 240*1000=240，000个 TIME_WAIT的记录，维护这些状态给Server带来负担。当然现代操作系统都会用快速的查找算法来管理这些 TIME_WAIT，所以对于新的 ...
Why does HTML think “chucknorris” is a color?
...s in turn from the blog post, we get the following:
Replace all nonvalid hexadecimal characters with 0's
chucknorris becomes c00c0000000
Pad out to the next total number of characters divisible by 3 (11 -> 12)
c00c 0000 0000
Split into three equal groups, with each component representing th...
CSS background opacity with rgba not working in IE 8
...same start and end color ( alpha channel is the first pair in the value of HEX )
background: rgba(255, 255, 255, 0.3); /* browsers */
filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#4cffffff', endColorstr='#4cffffff'); /* IE */
...
Why are flag enums usually defined with hexadecimal values
A lot of times I see flag enum declarations that use hexadecimal values. For example:
6 Answers
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Hash function that produces short hashes?
...ort hashlib
>>> hash = hashlib.sha1("my message".encode("UTF-8")).hexdigest()
>>> hash
'104ab42f1193c336aa2cf08a2c946d5c6fd0fcdb'
>>> hash[:10]
'104ab42f11'
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What is a regular expression for a MAC Address?
... printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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How to change the output color of echo in Linux
... # Cyan
On_IWhite='\033[0;107m' # White
the escape character in bash, hex and octal respectively:
| | bash | hex | octal | NOTE |
|-------+-------+--------+---------+------------------------------|
| start | \e | \x1b | \033 | ...
jQuery Data vs Attr?
...s was a contrived example. For storing color values, I used to use numeric hex notation (i.e. 0xABC123), but it's worth noting that hex was parsed incorrectly in jQuery versions before 1.7.2, and is no longer parsed into a Number as of jQuery 1.8 rc 1.
jQuery 1.8 rc 1 changed the behavior of auto-c...