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Using a strategy pattern and a command pattern

...s encapsulate an algorithm and decouple implementation details from their calling classes. The only difference I can discern is that the Strategy pattern takes in parameters for execution, while the Command pattern doesn't. ...
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jQuery see if any or no checkboxes are selected

... JQuery .is will test all specified elements and return true if at least one of them matches selector: if ($(":checkbox[name='choices']", form).is(":checked")) { // one or more checked } else { // nothing checked } ...
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How do I use IValidatableObject?

... Prop1 = 1, Prop2 = 2 }; bool validateAllProperties = false; var results = new List<ValidationResult>(); bool isValid = Validator.TryValidateObject( toValidate, new ValidationContext(toValidate, null, null), ...
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How can I deploy an iPhone application from Xcode to a real iPhone device?

... do this a lot, be sure to check the other answers - you can make XCode do all the job to you but it's a troublesome procedure to trick it on doing that. – cregox Apr 16 '11 at 16:06 ...
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windows service vs scheduled task

...ust need to figure out how to support failover... Original Answer: I'm really not a fan of Windows Scheduler. The user's password must be provided as @moodforall points out above, which is fun when someone changes that user's password. The other major annoyance with Windows Scheduler is that it r...
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What is the effect of extern “C” in C++?

...very compiler is required to provide "C" linkage A linkage specification shall occur only in namespace scope All function types, function names and variable names have a language linkage See Richard's Comment: Only function names and variable names with external linkage have a language linkage Two ...
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This Handler class should be static or leaks might occur: IncomingHandler

...e a reference to your Service object. Handler objects for the same thread all share a common Looper object, which they post messages to and read from. As messages contain target Handler, as long as there are messages with target handler in the message queue, the handler cannot be garbage collecte...
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Shiro vs. SpringSecurity [closed]

...ation environment. That means Shiro's Spring integration is superb and it all works exceptionally well. You can rest assured that if you're writing a Spring app, you'll have a well-rounded security experience. For example, consider the Spring XML config example in another post in this thread. He...
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angular.service vs angular.factory

... myInjectedFactory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so: var myShinyNewObject = new myInjectedService.myFunction() which is arguably less desi...
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Threading in a PyQt application: Use Qt threads or Python threads?

...to be unresponsive during the retrieval process (it cannot be split into smaller parts). This is why I'd like to outsource the web connection to a separate worker thread. ...