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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-]+)*...
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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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")[...
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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Binding a list in @RequestParam
...stMethod.GET you can use @RequestParam List<String> groupVal.
Then calling the service with the list of params is as simple as:
API_URL?groupVal=kkk,ccc,mmm
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How can I style even and odd elements?
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After all IE8 Support is nothing to worry about anymore in this case as the intended behaviour is just 'supportive'. It does not prevent the user from using the site nor from finding information. It doesn't even (most likely not) s...
Adding Python Path on Windows 7
...f my past mistakes here hoping that it might help someone.
(These apply to all Environmental Variables, not just when setting Python Path)
Watch out for these possible mistakes:
Kill and reopen your shell window: Once you make a change to the ENVIRONMENTAL Variables, you have to restart the windo...
Clear android application user data
... } catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (isr != null)
isr.close();
} catch (IOException e) {
e.printStackTrace();
}
mCountDownLatch.countDown();
...