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Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...些自动学习得到的特征可以大大提高精确度，甚至在分类问题中比目前最好的分类算法效果还要好！
AutoEncoder存在一些变体，这里简要介绍下两个：
Sparse AutoEncoder稀疏自动编码器：
当然，我们还可以继续加上一些...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...些自动学习得到的特征可以大大提高精确度，甚至在分类问题中比目前最好的分类算法效果还要好！
AutoEncoder存在一些变体，这里简要介绍下两个：
Sparse AutoEncoder稀疏自动编码器：
当然，我们还可以继续加上一些...
Chrome, Javascript, window.open in new tab
...o open in a new browser instance, instead of a new tab:
window.open('page.php', '', 'width=1000');
The following would qualify as a user-initiated event, even though it calls another function:
function o(){
window.open('page.php');
}
$('button').addEvent('click', o);
The following would not ...
Can you explain the concept of streams?
...g that can be streamed. Let's have a look at the concept of streams in the PHP manual.
a stream is a resource object which exhibits streamable behavior. That
is, it can be read from or written to in a linear fashion, and may be
able to fseek() to an arbitrary location within the stream.
Li...
What is the difference between application server and web server?
...gh most Web Servers have plugins to support scripting languages like Perl, PHP, ASP, JSP etc. through which these servers can generate dynamic HTTP content.
Most of the application servers have Web Server as integral part of them, that means App Server can do whatever Web Server is capable of. Addi...
What is the difference between a strongly typed language and a statically typed language?
...but it will never refer to an Integer or a List. That's static typing.
In PHP:
$s = "abcd"; // $s is a string
$s = 123; // $s is now an integer
$s = array(1, 2, 3); // $s is now an array
$s = new DOMDocument; // $s is an instance of the DOMDocument class
That's dynamic typi...
Replacing all non-alphanumeric characters with empty strings
...
He's probably used to programming in PHP.
– William
Nov 26 '09 at 20:31
10
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How do I list all cron jobs for all users?
... d m w user command
09,39 * * * * root [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -r -0 rm
47 */8 * * * root rsync -axE --delete --ignore-errors / /mirror/ >/dev/null
17 1 * * * root ...
What's the difference between a 302 and a 307 redirect?
...g the method to GET.
Example usage: if the browser sent POST to /register.php, then now load (GET) /success.html.
307: temporary redirect, repeating the request identically.
Example usage: if the browser sent a POST to /register.php, then this tells it to redo the POST at /signup.php.
308: permanen...
Cannot simply use PostgreSQL table name (“relation does not exist”)
I'm trying to run the following PHP script to do a simple database query:
11 Answers
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