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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...
...是怎么来的？又能干什么呢？目前存在哪些困难呢？这些问题的简答都需要慢慢来。咱们先来了解下机器学习（人工智能的核心）的背景。
二、背景
机器学习（Machine Learning）是一门专门研究计算机怎样模拟或实现人类...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
...试图同时用生理学和计算机的手段，双管齐下，研究视觉问题。
他们收集了很多黑白风景照片，从这些照片中，提取出400个小碎片，每个照片碎片的尺寸均为 16x16 像素，不妨把这400个碎片标记为 S[i], i = 0,.. 399。接下来，...
In PHP, can you instantiate an object and call a method on the same line?
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@CMCDragonkai logically that makes sense; the object only exists for the duration of the statement (new Foo)->property - the value you are storing has nowhere to go because the object will no longer exist after that as it's not stored anywhe...
Best way to give a variable a default value (simulate Perl ||, ||= )
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In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name']:'john doe'...
How do I Sort a Multidimensional Array in PHP [duplicate]
...e' column in each record (or row). So you construct the $dates array (basically the same array, but with only that column), and tell the array_multisort function to sort $mdarray based on that particular column's values.
– Dan Burton
May 19 '10 at 18:26
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How do I write unit tests in PHP? [closed]
...which is by far easier to learn - even easier than SimpleTest, it's called phpt.
A primer can be found here:
http://qa.php.net/write-test.php
Edit: Just saw your request for sample code.
Let's assume you have the following function in a file called lib.php:
<?php
function foo($bar)
{
return...
CodeIgniter removing index.php from url
...place with the below code
$config['uri_protocol'] = "REQUEST_URI"
Thats all but in wamp server it does not work because rewrite_module by default disabled so we have need to enable it. for this do the following
Left click WAMP icon
Apache
Apache Modules
Left click rewrite_module
Original Docu...
How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you ...
What is stdClass in PHP?
... class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out).
It is useful for anonymous objects, dynamic properties, etc.
An easy way to consider the StdClass is as an alternative to associative array. See thi...
How do I create a simple 'Hello World' module in Magento?
...perienced programmer or don't have access to an experienced programmer (ideally in PHP and Java), pick another cart. Magento is well engineered, but it was engineered to be a shopping cart solution that other programmers can build modules on top of. It was not engineered to be easily understood by p...