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jQuery .data() does not work, but .attr() does
...e doc loads, I loop some elements that originally have data-itemname="" , and I set those values using .attr("data-itemname", "someValue") .
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XPath to find elements that does not have an id or class
...
Pretty straightforward:
//tr[not(@id) and not(@class)]
That will give you all tr elements lacking both id and class attributes. If you want all tr elements lacking one of the two, use or instead of and:
//tr[not(@id) or not(@class)]
When attributes and eleme...
What is attr_accessor in Ruby?
I am having a hard time understanding attr_accessor in Ruby .
Can someone explain this to me?
19 Answers
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Are std::vector elements guaranteed to be contiguous?
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This was missed from C++98 standard proper but later added as part of a TR. The forthcoming C++0x standard will of course contain this as a requirement.
From n2798 (draft of C++0x):
23.2.6 Class template vector [vector]
1 A vector is a sequence...
How can I wait for a thread to finish with .NET?
...your UI thread, however you get a Timeout built in for you.
2. Use a WaitHandle
ManualResetEvent is a WaitHandle as jrista suggested.
One thing to note is if you want to wait for multiple threads: WaitHandle.WaitAll() won't work by default, as it needs an MTA thread. You can get around this by mark...
Submit form on pressing Enter with AngularJS
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Just leaving a note: If you've ended up here and submit buttons don't work for you, you could be using a bad name for your submit function. I was foolishly using ng-submit="join()" for a registration controller that had $scope.join = function() {...} and changing that f...
Difference between Fact table and Dimension table?
...en reading a book for business objects, I came across the term- fact table and dimension table.
9 Answers
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Best way to define error codes/strings in Java?
I am writing a web service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web ser...
How to deal with floating point number precision in JavaScript?
...s, e.g. do money
calculations entirely in cents. But
this is more work and has some
drawbacks.
Note that the first point only applies if you really need specific precise decimal behaviour. Most people don't need that, they're just irritated that their programs don't work correctly with nu...
How to draw a circle with text in the middle?
...ght of the div will center the text vertically. In this example the height and line-height are 500px.
Example
JSFiddle
.circle {
width: 500px;
height: 500px;
line-height: 500px;
border-radius: 50%;
font-size: 50px;
color: #fff;
text-align: center;
background: #000
}
<div clas...