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What is the difference between exit and return? [duplicate]
...hat is difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
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When would you use a List instead of a Dictionary?
...ionary is fast for lookup operations, because is using hash function internally. That means, all the keys must be unique in dictionary.
Consider this examples:
List<KeyValuePair<int, string>> pairs = new List<KeyValuePair<int, string>>();
pairs.Add(new KeyValuePair<int,...
PHP: How to handle
...s a string. (in this example, the casting is superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></content>'
);
echo (string) $content;
// or with parent element:
$foo = simplexml_load_string(
'<foo&g...
Call UrlHelper in models in ASP.NET MVC
I need to generate some URLs in a model in ASP.NET MVC. I'd like to call something like UrlHelper.Action() which uses the routes to generate the URL. I don't mind filling the usual blanks, like the hostname, scheme and so on.
...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...ar chat = $.connection.chatHub;
// Create a function that the hub can call to broadcast messages.
chat.client.addChatMessage = function (who, message) {
// Html encode display name and message.
var encodedName = $('<div />').text(who).html();
var encodedMsg = $(...
When to use: Java 8+ interface default method, vs. abstract method
Java 8 allows for default implementation of methods in interfaces called Default Methods .
15 Answers
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How can I convert a string to boolean in JavaScript?
...
What about "TRUE" in all uppercase, for example?
– BMiner
Aug 10 '11 at 22:45
108
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Java Runtime.getRuntime(): getting output from executing a command line program
...
Li3ro is partially right. The program you are listening to has a limited buffer for stdout and stderr output. If you don't listen to them concurrently, one of them will fill up while you are reading the other. The program you are listening...
JPA and Hibernate - Criteria vs. JPQL or HQL
...dynamic queries. For example it is much easier to add some ordering dynamically or leave some parts (e.g. restrictions) out depending on some parameter.
On the other hand I'm using HQL for static and complex queries, because it's much easier to understand/read HQL. Also, HQL is a bit more powerful...
No Swipe Back when hiding Navigation Bar in UINavigationController
... navigationController?.navigationBar.hidden = true does work, but does not allow your change in navigation bar to be hidden.
Lastly, it's generally better practice to create a model object that is the UIGestureRecognizerDelegate for your navigation controller. Setting it to a controller in the UINa...