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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?

... PHP 7+ As of PHP 7, this task can be performed simply by using the Null coalescing operator like this : echo !empty($address['street2']) ?? 'Empty'; ...
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PHP + MySQL transactions examples

I really haven't found normal example of PHP file where MySQL transactions are being used. Can you show me simple example of that? ...
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How to Debug Variables in Smarty like in PHP var_dump()

... You can use {php} tags Method 1 (won't work in Smarty 3.1 or later): {php} $var = $this->get_template_vars('var'); var_dump($var); {/php} Method 2: {$var|@print_r} Method 3: {$var|@var_dump} ...
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Tactics for using PHP in a high-load site

... (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques. 23 Answer...
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请停下来重新想下 你究竟为何创业? - 资讯 - 清泛网 - 专注C/C++及内核技术

...这种成功的概念有多么的狭隘。 首先,请仔细思考这个问题:你为何在这里? “在这里,你可以接触到最顶尖的企业与最火的创业公司:除了是创业公司,世界顶尖企业的高管们也会出席这场关于直击未来的盛会,他们将与...
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How to get the first word of a sentence in PHP?

... Using modern PHP syntax you can just do explode(' ',trim($myvalue))[0] – Elly Post Apr 1 '16 at 6:28 2 ...
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解决Scrapy警告:You do not have a working installation of the service_i...

...e_identity-17.0.0-py2.py3-none-any.whl 如果上面的方法没能解决问题,很大可能是有些包的版本不一样导致的,这个时候我们可以用下面这行代码来强制更新: pip install service_identity --force --upgrade 至此,问题解决。
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解决Scrapy警告:You do not have a working installation of the service_i...

...e_identity-17.0.0-py2.py3-none-any.whl 如果上面的方法没能解决问题,很大可能是有些包的版本不一样导致的,这个时候我们可以用下面这行代码来强制更新: pip install service_identity --force --upgrade 至此,问题解决。
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解决Scrapy警告:You do not have a working installation of the service_i...

...e_identity-17.0.0-py2.py3-none-any.whl 如果上面的方法没能解决问题,很大可能是有些包的版本不一样导致的,这个时候我们可以用下面这行代码来强制更新: pip install service_identity --force --upgrade 至此,问题解决。
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盘点微软历史上9大失败软件产品! - 创意 - 清泛网 - 专注C/C++及内核技术

...面。希望满足初级计算机用户的需求,或许这个概念没有问题,但是过于简单,只是讲解如何使用计算机,售价却高达100美元,结果在没有市场的情况下被淘汰了。有趣的是,Bob项目是由盖茨的老婆梅林达负责管理的。 2、MSN Me...