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:not(:empty) CSS selector is not working?
...ed by an attribute in the start tag, rather than text content within start and end tags.
Also, from the Selectors spec:
The :empty pseudo-class represents an element that has no children at all. In terms of the document tree, only element nodes and content nodes (such as DOM text nodes, CDATA n...
Why doesn't String switch statement support a null case?
...wondering why the Java 7 switch statement does not support a null case and instead throws NullPointerException ? See the commented line below (example taken from the Java Tutorials article on switch ):
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Express command not found
...lly on my machine with npm install -g express if I cd into a directory and try to run express I get the following error:
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Mark current Line, and navigate through marked lines
...al Studio, we can use:
CTRL+kk to place a marker on the current line
and
CTRL+kn to navigate through marked lines.
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How to initialize array to 0 in C?
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Global variables and static variables are automatically initialized to zero. If you have simply
char ZEROARRAY[1024];
at global scope it will be all zeros at runtime. But actually there is a shorthand syntax if you had a local array. If an...
css3 drop shadow under another div, z-index not working [duplicate]
... being covered). when i put a break between the divs, i can see the shadow and therefore i know that part of the code is working properly. i have the following html code:
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Difference between CSS3 transitions' ease-in and ease-out
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CSS3's transitions and animations support easing, formally called a "timing function". The common ones are ease-in, ease-out, ease-in-out, ease, and linear, or you can specify your own using cubic-bezier().
ease-in will start the animation sl...
What's the difference between @Secured and @PreAuthorize in spring security 3?
...can work with Spring Expression Language (SpEL). You can:
Access methods and properties of SecurityExpressionRoot.
Access method arguments (requires compilation with debug info or custom ParameterNameDiscoverer):
@PreAuthorize("#contact.name == principal.name")
public void doSomething(Contact con...
How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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Who is “us” and who is “them” according to Git?
After a Git rebase, and in other circumstances, you can find some files marked as deleted by us in the git status report. Who is us according to Git and why?
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