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Ternary operator (?:) in Bash
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ternary operator ? : is just short form of if/else
case "$b" in
5) a=$c ;;
*) a=$d ;;
esac
Or
[[ $b = 5 ]] && a="$c" || a="$d"
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What is Unicode, UTF-8, UTF-16?
...t, such as large web-pages or lengthy word documents, this could impact performance.
Encoding basics
Note: If you know how UTF-8 and UTF-16 are encoded, skip to the next section for practical applications.
UTF-8: For the standard ASCII (0-127) characters, the UTF-8 codes are identical. This make...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
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To get rid of the warning, you need to either:
Pass in an ISO formatted version of your date string:
moment('2014-04-23T09:54:51');
Pass in the string you have now, but tell Moment what format the string is in:
moment('Wed, 23 Apr 2014 09:54:51 +0000', 'ddd, DD MMM YYYY HH:mm:ss ZZ');...
Creating hidden arguments with Python argparse
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Simplest way to profile a PHP script
...unc.php';
prof_flag("Connect to DB");
connect_to_db();
prof_flag("Perform query");
// Get all the data
$select_query = "SELECT * FROM data_table";
$result = mysql_query($select_query);
prof_flag("Retrieve data");
$rows = array();
$found_data=false;
while($r = mysql_fetch_...
How to sort an array in Bash
...esearch bubble sort. For my sorting needs I have first and second elements forming key followed by one data element (which I may expand later). Your code could be improved with number of key elements (parm1) and number of data elements (parm2). For OP the parameters would be 1 and 0. For me the para...
Jquery: how to trigger click event on pressing enter key
...d]').click();
return false;
}
});
I also just found Submitting a form on 'Enter' which covers most of the issues comprehensively.
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What is your single most favorite command-line trick using Bash? [closed]
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Another favorite:
!!
Repeats your last command. Most useful in the form:
sudo !!
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answered Sep 16 '08 at 1:07
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Glorified classes in the Java language
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All of the Number classes have a little bit of magic in the form of Autoboxing.
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How to get a cross-origin resource sharing (CORS) post request working
... data: data,
dataType: 'json',
contentType: 'application/x-www-form-urlencoded',
xhrFields: { withCredentials: true },
success: function(res) { func(res) },
error: function() {
func({})
}
});
}
Usage:
$.postCORS("https://example.com/service.json",{ x...