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How does this CSS produce a circle?

... 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...
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What is a JavaBean exactly?

... 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...
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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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'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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count (non-blank) lines-of-code in bash

... Just habit. I read pipelines from left to right, which means I usually start with cat, then action, action, action, etc. Clearly, the end result is the same. – Michael Cramer Sep 24 '08 at 14:06 ...
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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...
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How to get the part of a file after the first line that matches a regular expression?

...e matching line) matchtext=TERMINATE sed -e "1,/$matchtext/d" ## Print all the lines before the line containing the matching text: ## (from line-1 to BEFORE the matching line, NOT including the matching line) matchtext=TERMINATE sed -e "/$matchtext/,\$d" The important points about replacing te...
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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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Ukkonen's suffix tree algorithm in plain English

...thm. First, a few preliminary statements. What we are building, is basically like a search trie. So there is a root node, edges going out of it leading to new nodes, and further edges going out of those, and so forth But: Unlike in a search trie, the edge labels are not single characters. Instead...
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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 ...