C Sharp jump start annotations

[GSoster]

What is an assemply?

• An assembly is a container for a set of resources and types.
• Assemblies can be referenced by other Assemblies
• Some assemblies are specific to certain technologies
• In visual studio, an assembly equates to a Project

Assemblies can be "Strongly named" with means signed.

Assembly X Namespaces

Assembly (it is a physical, it is a file!):

• an assembly is a grouping or physical container of code
• Can contain one or more namespace
• Can be granted security permissions
• Can be digitally signed
• Defines a scope

Namespace (it is logical!):

• A namespace is a grouping or logical container of code
• Can span multiple files
• Can span multiple assemblies
• Defines a scope

What is Instrumentation? (It is like web analytics for code)

• Instrumentation is code that reports performance information
• Telemetry aggregates instrumentation for analysis
• Diagnostics or Analysis is the use of telemetry to track causes of errors or identify trends

What are Web Services?

• Web Services encapsulate implementation
• Web Services expose to disparate system
• Web Services allow client systems to communicate servers
  • Web protocols (HTTP, GET, POST, etc)
• Web Services are importante to Service Oriented Architecture
  • With and without metadata
  • Loose coupling

What is SOAP?

• SOAP is a standard for returning structured data from a Web Services as XML
  • Envelop
    • Header
    • Body
• SOAP handling is a built-in feature of Visual Studio

What is REST? (Representative State Transfer)

• REST is becoming a common, industry standard
• REST does not require XML parsing
• REST does not require a message header
• REST is generally human-readable
• REST uses less bandwidth than SOAP
• REST services typically return XML or JSON
• REST JSON is Javascript Object Notation
  • JSON is becoming a common, industry standard
  • JSON is generally a lighter payload than XML (or SOAP)