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Can someone explain the HTML5 aria-* attribute?
...know what the aria-* attributes are used for. What values can they have, and are they defined values or can I create my own values?
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Call AngularJS from legacy code
...using jQuery's .data function. This will speed your app up. Additionally, handing off your scopes to jquery's caching features will create memory leaks. So, you should definitely turn this off, to speed up your app. Angular's site has a production guide that you should use to learn more.
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Select first row in each GROUP BY group?
... BY p.customer) y ON y.customer = x.customer
AND y.max_total = x.total
GROUP BY x.customer, x.total
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What does __FILE__ mean in Ruby?
... file foo.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
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How can I disable logging while running unit tests in Python Django?
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And in your tearDown() method: logging.disable(logging.NOTSET) puts the logging back in place neatly.
– mlissner
May 7 '13 at 16:27
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Unresolved external symbol in object files
During coding in Visual Studio I got an unresolved external symbol error
and I've got no idea what to do. I don't know what's wrong.
Could you please decipher me? Where should I be looking for what kind of errors?
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Post parameter is always null
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Pass just the value (i.e. not as a JSON object) and it should work, according to blogs.msdn.com/b/jmstall/archive/2012/04/16/…
– Jim Harte
Jun 12 '12 at 16:19
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
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Laravel supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Sch...
Pinging servers in Python
In Python, is there a way to ping a server through ICMP and return TRUE if the server responds, or FALSE if there is no response?
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Apply CSS styles to an element depending on its child elements
...th 'containing' types. You can select the div, based on its child contents and then apply a CSS class to the parent all in one line.
If you use jQuery, something along the lines of this would may work (untested but the theory is there):
$('div:has(div.a)').css('border', '1px solid red');
or
$('...