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Collections.emptyMap() vs new HashMap()
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Sumit SinghSumit Singh
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Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Using python's eval() vs. ast.literal_eval()?
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VolatilityVolatility
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Is there any difference between a GUID and a UUID?
...e: While GUIDs (as used by Microsoft) and UUIDs (as defined by RFC4122) look similar and serve similar purposes, there are subtle-but-occasionally-important differences. Specifically, some Microsoft GUID docs allow GUIDs to contain any hex digit in any position, while RFC4122 requires certain value...
What's the state of the art in email validation for Rails?
...lidation without regexp using the Mail gem.
Here is my implementation (packaged as a gem).
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How to redirect from OnActionExecuting in Base Controller?
... ActionResult and have it return RedirectToAction()... neither of these work.
4 Answers
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Strip Leading and Trailing Spaces From Java String
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You can try the trim() method.
String newString = oldString.trim();
Take a look at javadocs
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SVN encrypted password store
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Lightness Races in Orbit
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answered Sep 29 '10 at 18:14
friscofrisco
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How to find the length of a string in R
...f a string (number of characters in a string) without splitting it in R? I know how to find the length of a list but not of a string.
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JavaScript private methods
To make a JavaScript class with a public method I'd do something like:
30 Answers
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