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What is the most efficient/elegant way to parse a flat table into a tree?
...meration (the dotted-numbers in your name column).
Another solution is called Nested Sets, and it can be stored in the same table too. Read "Trees and Hierarchies in SQL for Smarties" by Joe Celko for a lot more information on these designs.
I usually prefer a design called Closure Table (aka ...
how to check if a form is valid programmatically using jQuery Validation Plugin
...valid or whether all selected
elements are valid. validate() needs to be called on the form before
checking it using this method.
Where the form with id='form_id' is a form that has already had .validate() called on it.
...
What's the difference between session.Merge and session.SaveOrUpdate?
...imes with my parent/child objects or many-to-many relationships, I need to call either SaveOrUpdate or Merge . Usually, when I need to call SaveOrUpdate , the exception I get on calling Merge has to do with transient objects not being saved first.
...
Android ListView with different layouts for each row
...hat you've described in comment I would suggest:
Storing views in object called ViewHolder. It would increase speed because you won't have to call findViewById() every time in getView method. See List14 in API demos.
Create one generic layout that will conform all combinations of properties and hi...
What's the difference between equal?, eql?, ===, and ==?
...and the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object.
...
How to find out client ID of component for ajax update/render? Cannot find component with expression
...aming container parent of the current naming container, then you can dynamically reference it via UIComponent#getNamingContainer() like so:
<p:commandLink update=":#{component.namingContainer.parent.namingContainer.clientId}:display">
Or, if this command link is inside a composite component...
How to get the text node of an element?
...tering task to other code.
In this version, I pass a NodeList in from the calling / client code.
/**
* Gets strings from text nodes. Minimalist. Non-robust. Pre-test loop version.
* Generic, cross platform solution. No string filtering or conditioning.
*
* @author Anthony Rutledge
* @param nodeLis...
Correct way of using JQuery-Mobile/Phonegap together?
...dy.show() code to be after getScript( jQM_PATH); Because, mobileInit() is called on each JQM page transition. Not ideal. Hope this helps others.
– GeorgeW
Feb 22 '13 at 22:54
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How to override the copy/deepcopy operations for a Python object?
...an define
special methods __copy__() and
__deepcopy__(). The former is called to implement the shallow copy
operation; no additional arguments are
passed. The latter is called to
implement the deep copy operation; it
is passed one argument, the memo
dictionary. If the __deepcopy__()
...
Get the current first responder without using a private API
... that my app cannot be accepted because I'm using a non-public API; specifically, it says,
28 Answers
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