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What is the difference between JSF, Servlet and JSP?
...(like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL. JSP also supports Expression Language, which can be used to access backend data (via attributes available in the pa...
What does “for” attribute do in HTML tag?
... for use with checkboxes and buttons, since it means you can check the box by clicking on the associated text instead of having to hit the box itself.
Read more about this element in MDN.
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PHP Pass by reference in foreach [duplicate]
..., echo $v; // same as $a[3] and $a[3] == 'two'
because $a[3] is assigned by before processing.
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TSQL Pivot without aggregate function
...ue..
In this case, you could also self join 5 times on customerid, filter by dbColumnName per table reference. It may work out better.
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How does inheritance work for Attributes?
...the default) it means that the attribute you are creating can be inherited by sub-classes of the class decorated by the attribute.
So - if you create MyUberAttribute with [AttributeUsage (Inherited = true)]
[AttributeUsage (Inherited = True)]
MyUberAttribute : Attribute
{
string _SpecialName;
...
LINQ Group By into a Dictionary Object
... List<CustomObject>> myDictionary = ListOfCustomObjects
.GroupBy(o => o.PropertyName)
.ToDictionary(g => g.Key, g => g.ToList());
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Rails: Why does find(id) raise an exception in rails? [duplicate]
...e architects intended find(id) to work, as indicated in the RDoc:
Find by id - This can either be a specific id (1), a list of ids (1, 5, 6), or an array of ids ([5, 6, 10]). If no record can be found for all of the listed ids, then RecordNotFound will be raised.
If you don't want the exceptio...
Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy
...s
Header add Access-Control-Allow-Origin "*"
even better, as suggested by @david thomas, you can use a specific domain value, e.g.
Header add Access-Control-Allow-Origin "your-domain.com"
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When to use valueChangeListener or f:ajax listener?
...hen using <f:ajax listener> instead of valueChangeListener, it would by default executed during the HTML DOM change event already. Inside UICommand components and input components representing a checkbox or radiobutton, it would be by default executed during the HTML DOM click event only.
<...
jQuery select by attribute using AND and OR operators
I'm thinking about, if it is possible in jQuery to select elements by named attributes using AND and OR.
8 Answers
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