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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

... @Ignore public void itShouldStoreAMessage() throws Exception{ String amqUrl = "nio://localhost:61616"; Camel camel = (Camel) CamelExtension.apply(system); camel.context().addComponent("activemq", ActiveMQComponent.activeMQComponent(amqUrl)); TestProbe probe = Te...
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What is the 'dynamic' type in C# 4.0 used for?

...= foo / 2.5; // Does not compile foo = Math.Sqrt(foo); // Does not compile string bar = foo.ToString("c"); The second line does not compile because 2.5 is typed as a double and line 3 does not compile because Math.Sqrt expects a double. Obviously, all you have to do is cast and/or change your vari...
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Best Practices: Salting & peppering passwords?

...sult in a far weaker hash than bcrypt(pw, salt) if hash() returns a binary string. Working Against Design The way bcrypt (and other password hashing algorithms) were designed is to work with a salt. The concept of a pepper was never introduced. This may seem like a triviality, but it's not. The rea...
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VB.NET equivalent of C# property shorthand?

...beyond, you can use the following shorthand: public property FirstName as String This will be handled as your short version in C# is - I think they call it "Auto Property" See also: Auto-Implemented Properties (Visual Basic) ...
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How do I detect that an iOS app is running on a jailbroken phone?

...ld be able to see if Cydia is installed and go by that - something like NSString *filePath = @"/Applications/Cydia.app"; if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) { // do something useful } For hacked kernels, it's a little (lot) more involved. ...
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What is a daemon thread in Java?

...e in setDaemon. public class DaemonTest { public static void main(String[] args) { new WorkerThread().start(); try { Thread.sleep(7500); } catch (InterruptedException e) { // handle here exception } System.out.println("Main T...
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Is null reference possible?

...red_ptr<Error>> _instances; static Error& NewInstance(const string& name, bool isNull = false); private: bool _isNull; Error(const string& name, bool isNull = false) : _name(name), _isNull(isNull) {}; Error() {}; Error(const Error& src) {}; Error& operator=(...
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Abstraction VS Information Hiding VS Encapsulation

...= the object internally, Example: In the .NET Framework, the System.Text.StringBuilder class provides an abstraction over a string buffer. This buffer abstraction lets you work with the buffer without regard for its implementation. Thus, you're able to append strings to the buffer without regard f...
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Using Case/Switch and GetType to determine the object [duplicate]

... If I really had to switch on type of object, I'd use .ToString(). However, I would avoid it at all costs: IDictionary<Type, int> will do much better, visitor might be an overkill but otherwise it is still a perfectly fine solution. ...
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How to stop a PowerShell script on the first error?

...andatory=1)][scriptblock]$cmd, [Parameter(Position=1,Mandatory=0)][string]$errorMessage = ("Error executing command {0}" -f $cmd) ) & $cmd if ($lastexitcode -ne 0) { throw ("Exec: " + $errorMessage) } } Try { # Put all your stuff inside here! # powershe...