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Contract.Requires(Condition,userMessage) Contract.Requires(Condition,userMessage) Contract.Result<T> Contract.Ensures() Contract.Invariants() .NET supports the Design by Contract idea via its Contracts class found in the System.Diagnostics namespace and introduced in .NET 4.0....

XMPP connections comprise two XML streams: one for ingress and one for egress. These streams are generally sent over the same TCP connection (although sometimes multiple connections may be used, especially for server-to-server connections) and share certain features for which negotiation is requi...

ENV[variable_name] ENV.fetch(variable_name, default_value) Let get user profile path in a dynamic way for scripting under windows

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...

Subscriptions are means to listen to inputs. Incoming ports, keyboard or mouse events, WebSocket messages, geolocation and page visibility changes, all can serve as inputs.

RSpec::Expectations lets you express expected outcomes on an object using an example-based DSL syntax. This topic gives examples of how to expect test results in RSpec using expect .to and the many built-in matchers. This functionality is provided by the rspec-expectations gem.

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

FlagMeaning"r"Read-only, starts at beginning of file (default mode)."r+"Read-write, starts at beginning of file."w"Write-only, truncates existing file to zero length or creates a new file for writing."w+"Read-write, truncates existing file to zero length or...