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How to use Servlets and Ajax?
...ntType("text/plain"); // Set content type of the response so that jQuery knows what it can expect.
response.setCharacterEncoding("UTF-8"); // You want world domination, huh?
response.getWriter().write(text); // Write response body.
}
Map this servlet on an URL pattern of /someservle...
Calling Java varargs method with single null argument?
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The issue is that when you use the literal null, Java doesn't know what type it is supposed to be. It could be a null Object, or it could be a null Object array. For a single argument it assumes the latter.
You have two choices. Cast the null explicitly to Object or call the method u...
How do I undo a checkout in git?
...ocal git repo. I haven't made any changes to it, I was just looking at it. Now I want to go back to my latest commit - how do I do that?
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What does [nyae] mean in Zsh?
... wrong way it suggests corrections.
What happend here is that dir is an unknown command and zsh suggests gdir, while maybe ls was what you wanted.
If you want to execute gdir hit y (yes)
If you want to try to execute dir anyway hit n (no)
If you want to execute completely different spelt command l...
How to make HTML input tag only accept numerical values?
...p://jsfiddle.net/VmtF5/
Update 2018-03-12: Browser support is much better now it's supported by the following:
Chrome 6+
Firefox 29+
Opera 10.1+
Safari 5+
Edge
(Internet Explorer 10+)
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Query for documents where array size is greater than 1
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There's a more efficient way to do this in MongoDB 2.2+ now that you can use numeric array indexes in query object keys.
// Find all docs that have at least two name array elements.
db.accommodations.find({'name.1': {$exists: true}})
You can support this query with an index tha...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
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Thanks, I'll slap myself now. :)
– Damien Roche
Nov 10 '12 at 10:00
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jquery change class name
...){
$("#test").change(function(e){highlightCell($(this).val())});
});
Now, whenever you pick something from the select, it will automatically find a cell with the matching text, allowing you to subvert the whole id-based process. Of course, if you wanted to do it that way, you could easily mod...
How costly is .NET reflection?
... fear programmers who fear irrationally - it shows that they don't really know what they're doing and just basing what they do on what other people tell them. cough cargo cult cough
– bsneeze
May 2 '09 at 1:29
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List of lists changes reflected across sublists unexpectedly
...than a matrix = [row] * 2 where both rows are exactly the same object, and now changes to one row matrix[0][0] = y suddenly reflect in the other one (matrix[0][0] is matrix[1][0]) == True
– nadrimajstor
Jul 2 '17 at 15:44
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