Tutorial by Topics: as

A classloader is a class whose primary purpose is to mediate the location and loading of classes used by an application. A class loader can also find and loaded resources. The standard classloader classes can load classes and resources from directories in the file system and from JAR and ZIP fil...

ParameterDetailsIFSInternal field separatorfileA file name/path-rPrevents backslash interpretation when used with read-tRemoves a trailing newline from each line read by readarray-d DELIMContinue until the first character of DELIM is read (with read), rather than newline

Celery is a task queue which can run background or scheduled jobs and integrates with Django pretty well. Celery requires something known as message broker to pass messages from invocation to the workers. This message broker can be redis, rabbitmq or even Django ORM/db although that is not a reco...

Other related topics: Firebase

Specialized packages RMySQL RODBC

See also Raster and Image Analysis and Input and Output

doLast Note, that in a gradle 3.x more idiomatic way task definition: using explicit doLast{closure} notation instead "leftShift"(<<) operator preferable.(leftShift has been deprecated in a gradle 3.2 is scheduled to be removed in gradle 5.0.) task oldStyle << { printl...

There are many reasons a read or write operation may fail. A frequent one is because your security rules reject the operation, for example because you're not authenticated (by default a database can only be accessed by an authenticated user) or because you're writing/listening at a location where yo...

Please note that mustRunAfter and shouldRunAfter are marked as "incubating" (as of Gradle 3.0) which means that these are experimental features and their behavior can be changed in future releases. There are two ordering rules available: mustRunAfter shouldRunAfter When you u...

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...