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This section provides an overview of what devexpress is, and why a developer might want to use it. It should also mention any large subjects within devexpress, and link out to the related topics. Since the Documentation for devexpress is new, you may need to create initial versions of those rela...

ParameterDetailscompletionHandlerA block that has no return value and takes the following parameters:accountStatusThe status of the current user’s iCloud account.errorAn error object or nil if the status is determined successfully. Use the information in the error object to determine whether the pr...

JTOpen links https://gist.github.com/phpdave/52d6d8f135181a042901b2918141f82a#file-zdocumentation-md

This section provides an overview of what virtualbox is, and why a developer might want to use it. It should also mention any large subjects within virtualbox, and link out to the related topics. Since the Documentation for virtualbox is new, you may need to create initial versions of those rela...

Remember that Angular 2 is all about singular responsibility. No matter how small your component is, dedicate a separate logic for each and every component. Be it a button, a fancy anchor link, a dialog header or even a sidenav's sub item.

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$dispatcher->dispatch(string $eventName, Event $event); $dispatcher->addListener(string $eventName, callable $listener, int $priority = 0); $dispatcher->addSubscriber(EventSubscriberInterface $subscriber); It is often best to use a single instance of EventDispatcher in your app...

This example has a datepicker for the 'Start Date', an input for the 'Duration' (in weeks) and a second datepicker that is disabled for user input as it is updated on change of either the first datepicker or the duration inputs.

Promises have state, they start as pending and can settle to: fulfilled meaning that the computation completed successfully. rejected meaning that the computation failed. Promise returning functions should never throw, they should return rejections instead. Throwing from a promise returnin...

These are two sample programs that work together. One is a simple server, the other a simple client. Start the server in one window: python tserver.py Edit the server address in the client source file if desired. Then run python tclient.py The client connects to the server, then asks for i...

Sqoop incremental import comes into picture because of a phenomenon called CDC i.e. Change Data Capture. Now what is CDC? CDC is a design pattern that captures individual data changes instead of dealing with the entire data. Instead of dumping our entire database, using CDC, we could capture ju...

The value null is the default value for an uninitialized value of a field whose type is a reference type. NullPointerException (or NPE) is the exception that is thrown when you attempt to perform an inappropriate operation on the null object reference. Such operations include: calling an inst...