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网页资料提取器：用 Web 客户端抓网页、按标记提取文字和链接（附 .aia 源...
...、解码 & 等实体
结果导出 CSV 并分享
常见问题
用到的组件
验证范围
网页资料提取：输入网址，选一种提取规则，把网页上的标题、列表、链接或正文提出来，逐条查看、分享，或导出成 CSV 表格。
下载 ...
贝因美创始人谈连续创业 谢宏：蓝海策略下的未来赢家 - 资讯 - 清泛网 - 专...
...们怎么认识这个世界，了解这个世界，方法论是怎么解决问题，价值论是怎么评价价值，认知价值，创造价值。我们如果能够把这些思维用在创业创新过程当中，它是技术普适性的，这是我很重要的一个体会。
现在，我们企业...
Reusing output from last command in Bash
...ind a file and diff its contents with another file:
$ find app -name 'one.php'
/var/bar/app/one.php
$ diff /var/bar/app/one.php /var/bar/two.php
You could do this:
$ find app -name 'one.php' | pbcopy
$ diff $(pbpaste) /var/bar/two.php
The string /var/bar/app/one.php is in the clipboard when ...
PHP Regex to get youtube video ID?
...bout anything, but they are very easy to make an error in, so if there are PHP functions specifically for what you are trying to accomplish, use those.)
parse_url takes a string and cuts it up into an array that has a bunch of info. You can work with this array, or you can specify the one item you ...
Check if $_POST exists
...ugustus Francis's answer, empty() is not correct for choice #1, because in php, the string '0' is equivalent to false - and empty() returns true for all values equivalent to false. So using empty, the code would skip printing if the value was '0'. If you want to exclude the empty string, see Augustu...
How to catch curl errors in PHP
I am using PHP curl functions to post data to the web server from my local machine. My code is as follows:
5 Answers
...
How to convert array to SimpleXML
How can I convert an array to a SimpleXML object in PHP?
33 Answers
33
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When to use single quotes, double quotes, and backticks in MySQL
...delimiter in date strings.
So using your example, I would double-quote the PHP string and use single quotes on the values 'val1', 'val2'. NULL is a MySQL keyword, and a special (non)-value, and is therefore unquoted.
None of these table or column identifiers are reserved words or make use of charac...
PHP method chaining?
I am using PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it?
...
nginx - client_max_body_size has no effect
...etc/nginx/conf.d/default.conf file)
Also, make certain that your server's php.ini file is consistent with these NGINX settings. In my case, I changed the setting in php.ini's File_Uploads section to read:
upload_max_filesize = 200M
Note: if you are managing an ISPconfig 3 setup (my setup is on...