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Abstract classes in Swift Language

... importantly, notice that there is no dynamic dispatch. When logSalary is called on the instance that is stored as a SoftwareEngineer it calls the overridden version of the method. When logSalary is called on the instance after it has been cast to an Employee, it calls the original implementation (i...
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New Line on PHP CLI

I have a php CLI script and cannot get the output to break on new lines. I do 4 Answers ...
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How to apply CSS to iframe?

... Does this actually work cross-domain? I don't think it would. – Simon East Nov 4 '11 at 0:52 89 ...
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facebook: permanent Page Access Token?

...ook pages as one of its data sources. It imports some data from it periodically with no GUI involved. Then we use a web app to show the data we already have. ...
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PHP page redirect [duplicate]

Can PHP make a redirect call after executing a function? I am creating a function on the completion of which I want it to redirect to a file located in the same root folder. Can it be done? ...
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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...
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php each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php each与list的用法1.each的用法先看APIarrayeach ( array&$array)api里是这么描述的:each—返回数组中当前的键/值对并将数组指针向前移动一步我们先来看...1.each的用法 先看API:array each ( array &$array ) api里是这么描述的:each — 返回...
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PHP的函数前加上“@”的作用 - PHP - 清泛IT论坛,有思想、有深度

@是PHP提供的错误信息屏蔽的专用符号。 比如在一个函数前使用@ @mysql_query 不会出现Warning, 而原来mysql_query 在遇到错误时会在页面上访提示Warning。
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php安装gd库扩展(无需源码安装) - 更多技术 - 清泛网 - 专注C/C++及内核技术

php安装gd库扩展(无需源码安装)php_gd_installgd是php图片处理库,网上各种源码安装,非常复杂,其实很简单,无需源码编译。apt install php-gd重启apache生效:systemctl restart apache2gd是php图片处理库,网上各种源码安装,非常复杂,其...
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Why doesn't Git ignore my specified file?

...es this since the file is already part of the repository. In order to actually ignore the file, you have to untrack it and remove it from the repository. You can do that by using git rm --cached sites/default/settings.php. This removes the file from the repository without physically deleting the fi...