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Deep Learning（深度学习）学习笔记整理系列之（一） - 大数据 & AI - 清泛...
...、Deep Learning的常用模型或者方法
9.1、AutoEncoder自动编码器
9.2、Sparse Coding稀疏编码
9.3、Restricted Boltzmann Machine(RBM)限制波尔兹曼机
9.4、Deep BeliefNetworks深信度网络
9.5、Convolutional Neural Networks卷积神经...
How to generate random SHA1 hash to use as ID in node.js?
...oString();
crypto.createHash('sha1').update(current_date + random).digest('hex');
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Quickest way to convert a base 10 number to any base in .NET?
... binary = IntToString(42, new char[] { '0', '1' });
// convert to hexadecimal
string hex = IntToString(42,
new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F'});
// convert to hexavigesimal (base ...
CSS3 Transparency + Gradient
...
);
(src)
Apparently you can even do this in IE, using an odd "extended hex" syntax. The first pair (in the example 55) refers to the level of opacity:
/* approximately a 33% opacity on blue */
filter: progid:DXImageTransform.Microsoft.gradient(
startColorstr=#550000FF, endColorstr=#550000FF
)...
Collisions when generating UUIDs in JavaScript?
...
node-uuid has a test harness that you can use to test the distribution of hex digits in that code. If that looks okay then it's not Math.random(), so then try substituting the UUID implementation you're using into the uuid() method there and see if you still get good results.
[Update: Just saw Ve...
What is the difference between encode/decode?
...somecodec) is meaningful for these values of somecodec:
base64
bz2
zlib
hex
quopri
rot13
string_escape
uu
I am not sure what decoding an already decoded unicode text is good for. Trying that with any encoding seems to always try to encode with the system's default encoding first.
...
How to properly add cross-site request forgery (CSRF) token using PHP
...ion_start();
if (empty($_SESSION['token'])) {
$_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];
Sidenote: One of my employer's open source projects is an initiative to backport random_bytes() and random_int() into PHP 5 projects. It's MIT licensed and available on ...
How can one print a size_t variable portably using the printf family?
...u\n", x); // prints as unsigned decimal
printf("%zx\n", x); // prints as hex
printf("%zd\n", y); // prints as signed decimal
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Creating Unicode character from its number
...emember that the escape sequences in Java source code (the \u bits) are in HEX, so if you're trying to reproduce an escape sequence, you'll need something like int c = 0x2202.
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What is the difference between UTF-8 and Unicode?
...0xxxxxxx 7 007F hex (127)
110xxxxx 10xxxxxx (5+6)=11 07FF hex (2047)
1110xxxx 10xxxxxx 10xxxxxx (4+6+6)=16 FFFF hex (65535)
11110xxx 10xxxxxx 10xxxxxx 10xxxx...