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Why check both isset() and !empty()

... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here. – deceze♦ Dec 30 '10 at 4...
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Checking for empty arrays: count vs empty

This question on ' How to tell if a PHP array is empty ' had me thinking of this question 12 Answers ...
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Understanding Magento Block and Block Type

...age/html: This is a subtype of core/template and defines the root block. All other blocks are child blocks of this block. page/html_head: Defines the HTML head section of the page which contains elements for including JavaScript, CSS etc. page/html_header: Defines the header part of the page which...
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Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...y-1.8.7-p174 # ./configure --prefix=/usr/local/ruby # make && make install 设置Ruby环境变量 # cd ~ # vi .bash_profile 添加下面一行 export PATH=$PATH:/usr/local/ruby/bin 保存退出:wq # . .bash_profile ...
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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]

What do you call this arrow looking -> operator found in PHP? 16 Answers 16 ...
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常用快速产品原型设计工具推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 从整个项目的角度讲,在原型的设计与沟通过程中发现问题并加以调整,将更有效地避免将问题留到视觉设计和开发流程中,有效提高开发效率。 产品原型 设计工具
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String concatenation vs. string substitution in Python

...catenation is (significantly) faster according to my machine. But stylistically, I'm willing to pay the price of substitution if performance is not critical. Well, and if I need formatting, there's no need to even ask the question... there's no option but to use interpolation/templating. >>&g...
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phpcms后台表单多选统计不准确的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

phpcms后台表单多选统计不准确的解决方法这是由于逻辑有误导致,原逻辑为值与选项值相等才统计一次,但针对多选肯定就不适用了,比如选项1,选项2算两项而不是判断失败不统计。正确...这是由于逻辑有误导致,原逻辑为值与...
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php implode (101) with quotes

... This has the added benefit of allowing you to escape any single quotes which may appear in the array elements – user229044♦ May 24 '11 at 18:17 ...
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memory_get_peak_usage() with “real usage”

...ent is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc() ...