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Why can tuples contain mutable items?
If a tuple is immutable then why can it contain mutable items?
8 Answers
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Java LinkedHashMap get first or last entry
I have used LinkedHashMap because it is important the order in which keys entered in the map.
14 Answers
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Wildcards in a Windows hosts file
...al are redirected to localhost . The idea is that as I develop multiple sites, I can just add vhosts to Apache called site1.local , site2.local etc, and have them all resolve to localhost , while Apache serves a different site accordingly.
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Conditional formatting based on another cell's value
...- C5. If C5 is greater than 80% then the background color is green but if it's below, it will be amber/red.
6 Answers
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returning in the middle of a using block
...l others have pointed out in general this is not a problem.
The only case it will cause you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a referen...
Difference between SPI and API?
... is part of the SPI: If you simply want to use JDBC, you don't need to use it directly, but everyone who implements a JDBC driver must implement that class.
Sometimes they overlap, however. The Connection interface is both SPI and API: You use it routinely when you use a JDBC driver and it needs to...
Recommended Fonts for Programming? [closed]
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Either Consolas (download) or Andale Mono (download). I mostly use Andale Mono. I wrote an article about programming fonts a long time ago, I think Consolas wasn't even out yet.
http://www.deadprogrammer.com/photos/fonts.gif
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jQuery - prevent default, then continue default
I have a form that, when submitted, I need to do some additional processing before it should submit the form. I can prevent default form submission behavior, then do my additional processing (it's basically calling Google Maps API and adding a few hidden fields to the form) -- and then I need the fo...
How can I define colors as variables in CSS?
I’m working on a CSS file that is quite long. I know that the client could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it?
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Set value of hidden field in a form using jQuery's “.val()” doesn't work
...een trying to set the value of a hidden field in a form using jQuery, but without success.
16 Answers
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