A colleague of mine and I have been discussing how to declare variables in a function.
Let's say you have a class called TStrings (using Delphi for the sake of explanation) that has at least one abstract method and a descendant class called TStringList which obviously implements the abstract method, but it introduces nothing else you ne...
Is the parent of an entity available in a Query?
Given:
class Factory(db.Model):
""" Parent-kind """
name = db.StringProperty()
class Product(db.Model):
""" Child kind, use Product(parent=factory) to make """
@property
def factory(self):
return self.parent()
serial = db.IntegerProperty()
Assume 500 fa...
With my current node selected I wish to find an element <name> [./name] and return the text content. If an element <name> does not exist in the currently selected node I wish to check the parent element [./parent::name] and so on recursively up to the root, returning the value of the nearest parent where the element exists.
Can it be do...
Hi everybody, I have a tree / ancestor / query problem I'm not able to solve:
I have a table holding menu data and a table containing all the ancestors of the menu:
table menu table ancestors
+-----+------------+--------+ +---------+--------------+-------+
| id | title | active | | menu_id | ancestor_id | l...
Suppose the jQuery object is $obj,how to select the desired ancestor?
...
Is is possible to use jQuery to select an ancestor of an element?
Markup:
<div id="ancestor-1">
<div>
<a href="#" class="click-me">Click me</a>
</div>
</div>
<div id="ancestor-2">
<div>
<a href="#" class="click-me">Click me</a>
</div>
</div>
Script:
$(".click-me").click(function(){
// var ancestor...
One can use matchedset.find(selector) / matchedset.parents(selector) to get the descendants/ancestors of the current matched set filtered by a selector, but that doesn't include the matched set itself (if it happens to match the selector too). Is there a better (more concise and/or faster) way to get it than
matchedset.find(selector).ad...
var vTableExp = "//a[contains(@href,'newdid')]/ancestor::td/ancestor::tr/ancestor::tbody";
var vTable = dom.find(vTableExp, XPFirst);
thanks
...
I have a bunch of files, either NSStrings or NSURLs (it doesn't matter; they are, for the most part, interchangeable), and I need a way to find the common ancestor directory. Does anyone know how to do this?
...
I know similar questions have been asked before, but I think my solution is far simpler. Especially compared to [http://en.wikipedia.org/wiki/Tarjan's_off-line_least_common_ancestors_algorithm].
Please prove me wrong!
If you have a tree with nodes that have the given data structure:
struct node
{
node * left;
node * right;
...