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Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...e. This is because a node's value attribute (that CSS sees), is not the same as the node's value property (Changed by the user or DOM javascript, and submitted as form data).
Unless you care only about the initial state, you must use a userscript or Greasemonkey script. Fortunately this is not ha...
How to get a index value from foreach loop in jstl
...t the index c:forEach varStatus properties
<c:forEach var="categoryName" items="${categoriesList}" varStatus="loop">
<li><a onclick="getCategoryIndex(${loop.index})" href="#">${categoryName}</a></li>
</c:forEach>
...
What is the difference between a port and a socket?
...ort combination.
Exposition
This was an interesting question that forced me to re-examine a number of things I thought I knew inside out. You'd think a name like "socket" would be self-explanatory: it was obviously chosen to evoke imagery of the endpoint into which you plug a network cable, there ...
What's the opposite of chr() in Ruby?
...r() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
10 Answ...
How to use enums as flags in C++?
...rator definitions so you don't have to be constantly defining them every time you add a new enum.
– eodabash
Apr 8 '11 at 3:07
10
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Why does sudo change the PATH?
...
Not only is it counterintuitive, it's incorrectly documented. Reading the man pages for sudo, and comparing the config against a Fedora box, I thought the path should be preserved. Indeed, "sudo -V" even says "Environment variables to preserve: PATH".
– Jas...
UIView Infinite 360 degree rotation animation?
...
Found a method (I modified it a bit) that worked perfectly for me: iphone UIImageView rotation
#import <QuartzCore/QuartzCore.h>
- (void) runSpinAnimationOnView:(UIView*)view duration:(CGFloat)duration rotations:(CGFloat)rota...
Run Java Code Online [closed]
... answered Dec 8 '09 at 8:57
lumenlumen
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...
Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
...striction in SQL Server is you can only have one INSERT-EXEC active at a time. I recommend looking at How to Share Data Between Stored Procedures which is a very thorough article on patterns to work around this type of problem.
For example a work around could be to turn Sp3 into a Table-valued func...
Passing Data between View Controllers
... give a better answer to help out people starting in the world of iOS like me.
I hope this answer is clear enough for people to understand and that I have not missed anything.
Passing Data Forward
Passing data forward to a view controller from another view controller. You would use this method if...