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Getting HTTP code in PHP using curl
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First make sure if the URL is actually valid (a string, not empty, good syntax), this is quick to check server side. For example, doing this first could save a lot of time:
if(!$url || !is_string($url) || ! preg_match('/^http(s)?:\/\/[a-z0-9-]+(.[a-z0-9-]+)*...
The character encoding of the HTML document was not declared
...head:
<meta charset="UTF-8">
the character encoding (which is actually UTF-8) of the html document was not declared
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使用 XML 和 Web 服务 · App Inventor 2 中文网
... both delimited and non-delimited items, then the non-delimited items will all be extracted processed as if they had been a sequence of items delimited by the tag “content”. For example, decoding
nobody
happy
everybody
sad
will produce a pair just as in the last ex...
Press alt + numeric in bash and you get (arg [numeric]) what is that?
...hat is significant. If you pass a negative argument to a command which normally acts in a forward direction, that command will act in a backward direction. For example, to kill text back to the start of the line, you might type 'M-- C-k'.
The general way to pass numeric arguments to a command is to ...
Is the 'type' attribute necessary for tags?
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@MatthieuNapoli : all browsers are required to support the <script> HTML tag, ignoring its contents if they don't support the scripting language.
– MestreLion
Jan 13 '19 at 17:38
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Ruby convert Object to Hash
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instance_values can be used for all ruby objects for the similar output.
– bishal
Jan 22 '19 at 11:37
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How can i use iptables on centos 7? [closed]
I installed CentOS 7 with minimal configuration (os + dev tools). I am trying to open 80 port for httpd service, but something wrong with my iptables service ... what's wrong with it? What am I doing wrong?
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How to extract extension from filename string in Javascript? [duplicate]
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A variant that works with all of the following inputs:
"file.name.with.dots.txt"
"file.txt"
"file"
""
null
undefined
would be:
var re = /(?:\.([^.]+))?$/;
var ext = re.exec("file.name.with.dots.txt")[1]; // "txt"
var ext = re.exec("file.txt")[...
Get underlined text with Markdown
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I guess this is because underlined text is hard to read, and that it's usually used for hyperlinks.
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Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
...mm_dd.log OR localhost.yyyy-mm-dd.log logs that Tomcat creates, these typically store that type of info. I wouldn't expect the full stacktrace to be dumped to standard out.
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