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Matching an empty input box using CSS
...: 1px solid red; /* Red border only if the input is empty */
}
More info and browser support: https://css-tricks.com/almanac/selectors/p/placeholder-shown/
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Why doesn't Dijkstra's algorithm work for negative weight edges?
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Recall that in Dijkstra's algorithm, once a vertex is marked as "closed" (and out of the open set) - the algorithm found the shortest path to it, and will never have to develop this node again - it assumes the path developed to this path is the shortest.
But with negative weights - it might not be...
Definitive way to trigger keypress events with jQuery
I've read all the answers on to this questions and none of the solutions seem to work.
10 Answers
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Android canvas draw rectangle
how to draw empty rectangle with etc. borderWidth=3 and borderColor=black and part within rectangle don't have content or color. Which function in Canvas to use
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
What exactly are process and update in PrimeFaces p:commandXxx components and execute and render in f:ajax tag?
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Debugging with command-line parameters in Visual Studio
I'm developing a C++ command-line application in Visual Studio and need to debug it with command-line arguments. At the moment I just run the generated EXE file with the arguments I need (like this program.exe -file.txt ) , but this way I can't debug. Is there somewhere I can specify the arguments ...
Check if list contains element that contains a string and get that element
...n into similar ones utilizing LINQ but I haven't been able to fully understand them (and thus, implement them), as I'm not familiarized with it. What I would like to, basically, is this:
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100% Min Height CSS layout
In particular if you have a layout with a header and footer of fixed height ,
13 Answers
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Twitter bootstrap float div right
...ond span6 div aligned to the right then simple add a new class to that div and give it the text-align: right value e.g.
.myclass {
text-align: right;
}
UPDATE:
EricFreese pointed out that in the 2.3 release of Bootstrap (last week) they've added text-align utility classes that you can use:...
Include another JSP file
...ying to learn JSP. My question is, at present I used to include the header and footer of the page using:
6 Answers
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