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'AND' vs '&&' as operator

... If you use AND and OR, you'll eventually get tripped up by something like this: $this_one = true; $that = false; $truthiness = $this_one and $that; Want to guess what $truthiness equals? If you said false... bzzzt, sorry, wrong! $truthiness above has the ...
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Dynamically generating a QR code with PHP [closed]

I'm trying to generate QR codes on my website. All they have to do is have a URL in them, which a variable on my site will provide. What would be the easiest way to do this? ...
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What generates the “text file busy” message in Unix?

...table while it was running. For example, I was building a make workalike called rmk, and after a while it was self-maintaining. I would run the development version and have it build a new version. To get it to work, it was necessary to use the workaround: gcc -g -Wall -o rmk1 main.o -L. -lrmk -L...
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How can I catch a “catchable fatal error” on PHP type hinting?

...assA::method_a() must be an instance of ClassB, instance of ClassA given, called in [...] catched: Argument 1 passed to ClassA::method_a() must be an instance of ClassB, instance of ClassWrong given, called in [...] method_a: ClassB method_a: ClassC done. Old answer for pre-php7 versions: http:/...
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.

...aybe good to mention: When using MAMP like me you have to uncheck the box "Allow local access only" – soupdiver Jan 21 '13 at 17:23 ...
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Php multiple delimiters in explode

... You can take the first string, replace all the @ with vs using str_replace, then explode on vs or vice versa. share | improve this answer | ...
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How do I strip all spaces out of a string in PHP? [duplicate]

How can I strip / remove all spaces of a string in PHP? 4 Answers 4 ...
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PHP filesize MB/KB conversion [duplicate]

...and 42% more costly to be precise (depending on which if condition $bytes falls into). – Alix Axel May 25 '13 at 3:48 ...
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云数据及Firebase组件简介 · App Inventor 2 中文网

...称为 FirebaseError,它让 Web 服务报告错误,这通常是通信问题的结果: ShareValue:一个带有云数据的简单App ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
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Apple Pay入华遇阻 只因BAT太受欢迎? - 资讯 - 清泛网 - 专注C/C++及内核技术

... 国内第三方支付平台抓住了商户的哪些痛? 要谈论这个问题,就必须关注线下商户所面临的痛点。早期移动支付的最大难点是支付媒介的缺失,这是拉卡拉们寸步难行而银联可以一家独大的关键所在。但随着O2O消费模式的普及...