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Build tree array from flat array in javascript
... 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
...
How to test valid UUID/GUID?
How to check if variable contains valid UUID/GUID identifier?
12 Answers
12
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How do you get a directory listing sorted by creation date in python?
...ay to get a list of all files in a directory, sorted by date [created | modified], using python, on a windows machine?
17 A...
How to prevent XSS with HTML/PHP?
...owever, when you need to allow HTML input things get a little trickier and if this is the case I recommend you use something like htmlpurifier.org
– Alix Axel
Jan 3 '10 at 20:23
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Why does javascript map function return undefined?
...
Filter works for this specific case where the items are not modified. But in many cases when you use map you want to make some modification to the items passed.
if that is your intent, you can use reduce:
var arr = ['a','b',1];
var results = arr.red...
Does R have an assert statement as in python?
a statement that checks if something is true and if not prints a given error message and exits
3 Answers
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How to delete a record in Django models?
...te that the first one will not call the .delete() method of the object, so if you have 'cleanup' code in that method it will not be called. Generally not an issue, but worth keeping in mind.
– Matthew Schinckel
Sep 28 '10 at 0:08
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AngularJS ng-repeat handle empty list case
...
And if you want to use this with a filtered list here's a neat trick:
<ul>
<li ng-repeat="item in filteredItems = (items | filter:keyword)">
...
</li>
</ul>
<div ng-hide="filteredItems...
Shell equality operators (=, ==, -eq)
Can someone please explain the difference between = , == and -eq in shell scripting?
4 Answers
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Is a url query parameter valid if it has no value?
..., along with
data in the path component (Section 3.3), serves to identify a
resource within the scope of the URI's scheme and naming authority
(if any). ...
... However, as query components
are often used to carry identifying information in the form of
"key=value" pai...