Tutorial by Topics: to

ParameterDetailsexprIn case the "try part" was completed successfully tryCatch will return the last evaluated expression. Hence, the actual value being returned in case everything went well and there is no condition (i.e. a warning or an error) is the return value of readLines. Note that ...

A text object in Vim is another way to specify a chunk of text to operate on. They can be used with operators or in visual mode, instead of motions.

Git Large File Storage (LFS) aims to avoid a limitation of the Git version control system, that it performs poorly when versioning large files, especially binaries. LFS solves this problem by storing the contents of such files on an external server, then instead committing just a text pointer to t...

To render fonts correctly in pdf font-extensions should always be used (in classpath)

UPDATE table-Name [[AS] correlation-Name] SET column-Name = Value [ , column-Name = Value} ]* [WHERE clause] UPDATE table-Name SET column-Name = Value [ , column-Name = Value ]* WHERE CURRENT OF

An iterator is a method, get accessor, or operator that performs a custom iteration over an array or collection class by using the yield keyword

There is NO switch statement in python as a language design choice. There has been a PEP (PEP-3103) covering the topic that has been rejected. You can find many list of recipes on how to do your own switch statements in python, and here I'm trying to suggest the most sensible options. Here are a ...

singleton_class = class << object; self end Singleton classes only have one instance: their corresponding object. This can be verified by querying Ruby's ObjectSpace: instances = ObjectSpace.each_object object.singleton_class instances.count # => 1 instances.include...

Firebase Storage provides secure file uploads and downloads for your Firebase apps, regardless of network quality. You can use it to store images, audio, video, or other user-generated content. Firebase Storage is backed by Google Cloud Storage, a powerful, simple, and cost-effective object storag...