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Switch statement: must default be the last case?
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The case statements and the default statement can occur in any order in the switch statement. The default clause is an optional clause that is matched if none of the constants in the case statements can be matched.
Good Example :-
switch(5) {
case 1:
echo "1";
break;
case ...
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...operties in Entity Framework come with change tracking and are proxies. In order for the dynamic proxy to be created as a navigation property, the virtual type must implement ICollection.
A navigation property that represents the "many" end of a relationship must return a type that implements IC...
Clustered vs Non-Clustered
...s. non-clustered index is that the clustered index determines the physical order of the rows in the database. In other words, applying the clustered index to PersonId means that the rows will be physically sorted by PersonId in the table, allowing an index search on this to go straight to the row (r...
Is there a way to get element by XPath using JavaScript in Selenium WebDriver?
...ath) {
return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}
console.log( getElementByXpath("//html[1]/body[1]/div[1]") );
<div>foo</div>
https://gist.github.com/yckart/6351935
There's also a great introduction on moz...
How can I order a List?
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ListaServizi = ListaServizi.OrderBy(q => q).ToList();
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Android: How can I validate EditText input?
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In order to reduce the verbosity of the validation logic I have authored a library for Android. It takes care of most of the day to day validations using Annotations and built-in rules. There are constraints such as @TextRule, @...
How to verify multiple method calls with different params
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If the order of both add() calls is relevant, you can use InOrder:
InOrder inOrder = inOrder(errors);
inOrder.verify(errors).add(eq("exception.message"), any(ActionError.class));
inOrder.verify(errors).add(eq("exception.detail"), a...
What's the difference between detaching a Fragment and removing it?
...ed, its onPause, onStop and onDestroyView methods are called only (in that order). On the other hand, when a Fragment is removed, its onPause, onStop, onDestroyView, onDestroy and onDetach methods are called (in that order). Similarly, when attaching, the Fragment's onCreateView, onStart and onResum...
JMS Topic vs Queues
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As for the order preservation, see this ActiveMQ page. In short: order is preserved for single consumers, but with multiple consumers order of delivery is not guaranteed.
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How do I remove an item from a stl vector with a certain value?
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Does this all-in-one-statement form depend on the order in which the compiler evaluates the arguments, or is vec.end() guaranteed to be the same on either side of the call to std::remove? It looks to me in reading other parts of the web like this is safe, but it should be st...