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How to choose the right bean scope?
...s as long as you're interacting with the same JSF view by postbacks which call action methods returning null/void without any navigation/redirect. A @FlowScoped bean lives as long as you're navigating through the specified collection of views registered in the flow configuration file. A @SessionScop...
Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
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What is a JavaBean exactly?
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A JavaBean is just a standard
All properties private (use getters/setters)
A public no-argument constructor
Implements Serializable.
That's it. It's just a convention. Lots of libraries depend on it though.
With respect to Serializable, from the API d...
Getting all selected checkboxes in an array
... want to use jQuery
var array = []
var checkboxes = document.querySelectorAll('input[type=checkbox]:checked')
for (var i = 0; i < checkboxes.length; i++) {
array.push(checkboxes[i].value)
}
share
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'App not Installed' Error on Android
...n creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine.
61 Answers
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How does this CSS produce a circle?
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Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source):
The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer).
Where does border-radi...
Difference between Fact table and Dimension table?
...this out to see an alternative view on the star schema model Inmon vs. Kimball. Kimbal has a good forum you may also want to check out here: Kimball Forum.
Edit: To answer comment about examples for 4NF:
Example for a fact table violating 4NF:
Sales Fact (ID, BranchID, SalesPersonID, ItemID, Am...
Delete duplicate rows from small table
...s to do with the inner select statement here getting executed N times (for all N rows in the dupes table) rather than the grouping that's going on in the other solution.
– David
Sep 12 '17 at 12:36
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Converting Storyboard from iPhone to iPad
...d advice, thanks. While you're at it, you may also probably want to change all the width="320" to width="768", height="480" to height="1024", etc... directly from here. As it's much simpler than doing it element by element in IB.
– Ben G
Feb 6 '12 at 22:39
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How do you track record relations in NoSQL?
...pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal web pages.
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