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How do I check if file exists in jQuery or pure JavaScript?
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With jQuery:
$.ajax({
url:'http://www.example.com/somefile.ext',
type:'HEAD',
error: function()
{
//file not exists
},
success: function()
{
//file exists
}
});
EDIT:
Here is the code for checking 404 stat...
How to import other Python files?
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1071
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make an html svg object also a clickable link
...e as a flash banner gets). By settings this css, that'll go away as well.
http://jsfiddle.net/energee/UL9k9/
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Instance variables vs. class variables in Python
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Download data url file
...nload", filename);
a.click();
}
);
});
}
download("https://get.geojs.io/v1/ip/geo.json","geoip.json")
download("data:text/html,HelloWorld!", "helloWorld.txt");
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In Python, how do I indicate I'm overriding a method?
In Java, for example, the @Override annotation not only provides compile-time checking of an override but makes for excellent self-documenting code.
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IIS_IUSRS and IUSR permissions in IIS8
...R works. Adding IIS AppPool\Cache (the name of my application pool) yields HTTP Error 401.3 - Unauthorized
– Charles Burns
Jul 22 '16 at 21:10
14
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Setting a property by reflection with a string value
...volving nullable types you will start receiving InvalidCastExceptions:
http://weblogs.asp.net/pjohnson/archive/2006/02/07/Convert.ChangeType-doesn_2700_t-handle-nullables.aspx
A wrapper was written a few years ago to handle this but that isn't perfect either.
http://weblogs.asp.net/pjohnso...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
...eUploader: {
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Python module for converting PDF to text [closed]
...st the bare text.
A Python 3 version is available under:
https://github.com/pdfminer/pdfminer.six
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