Title: Sample Overload Article (title)

Author: Martin Moene

Date: 10 July 2013 09:28:33 +01:00 or Wed, 10 July 2013 09:28:33 +01:00

Summary: [Byline] This is a sample to see all the styles an Overload article may have as a webpage. Changed: 15, 4, 3 January 2014, 10 July 2013, Martin Moene

Body:

Style and structure of an Overload article on the Web (byline entered separately from article content)

First section

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A Reference

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What has all this got to do with exceptions, you may wonder? Well, the C++ hello-world (this one extracted from The C++ Programming Language [TC++PL]) is functionally similar.

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A Footnote

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Consider a shared library¹ which is used by multiple clients.

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A Quote

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This is a quote. (class="quote")

Here's a real quote.

ALGOL 68 was the first (and possibly one of the last) major language for which a full formal definition was made before it was implemented.
~ C.H.A. Koster

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A Block Quote

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This is a block quote. (class="blockquote")

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An Indented Paragraph

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Indented Paragraph. (class="indented").

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An Unordered List

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Unordered list:

An item .
An item .
An item .

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An Ordered List

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Ordered list:

An item .
An item .
An item .

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An Image (non-figure)

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The naïve approach to multiplication is to multiply the underlying integer values and then divide by the scaling factor since

Similarly, for division we have...

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A Figure

The following table has class="sidebartable".

Figure 1

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A Table

The following table has class="journaltable".

Pattern	Classification on Purpose	Classification on Intent
Abstract Factory	Creational	Construction
Decorator	Structural	Extension
Interpreter	Behavioural	Operation

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A Sidebar Table

The following is a table (class="journaltable") inside a table (class="sidebartable"). The last row contains the title in a td (class="title")

Pattern	Classification on Purpose	Classification on Intent
Abstract Factory	Creational	Construction
Decorator	Structural	Extension
Interpreter	Behavioural	Operation

Table 1

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A Sidebar Table with a Paragraph

The following is a table (class="sidebartable"). The first row contains the title in a td (class="title")

Printing Errors in C

The C standard library provides two functions for mapping 'error' codes, maintained in the global pseudo-variable errno, into human-readable values. The first, strerror(), returns a non-NULL C-style string mapping any integer value, including all of those defined (both in the standard, and all implementation-defined ones) in errno.h, into a human-readable message. For example:

strerror(ERANGE); → "Result too large"  
strerror(EDOM);   → "Numerical argument out of
                     domain"  
strerror(EMFILE); → "Too many open files"  
strerror(0);      → "No error detected"  
strerror(123456); → "Unknown Error (123456)"

It's common to pass the current value of errno, to get a string explaining what most recently behaved in a non-normative manner within (the currently executing thread of) your program. There are issues with re-entrancy in the use of strerror(); see STRERROR] for more information.

The second standard library function, perror(), is used to print a message that also includes the message associated with the current value of errno, separated by ": ", as in:

errno = ERANGE;  
perror("oops");  → "oops: Result too large"

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A Program Fragment

The following is a pre (class="programlisting").

// hello-world.cpp
#include <iostream>
int main()
{
    std::cout << "Hello world!" << std::endl;
}

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A program Listing

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The following is table (class="sidebartable") containing a pre (class="programlisting"). The last row contains the title in a td (class="title")

#include <iostream>
int main()
{
    std::cout << "Hello world!" << std::endl;
}

Listing 3

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Specialties

Inline Code

The following paragraph contains (<code>).

The second standard library function, perror(), is used to print a message that also includes the message associated with the current value of errno, separated by ": ".

File Names

The following paragraph contains (class="filename").

Assume fileName is abc.def, and that no such file exists.

Pattern Names

The following paragraph contains (class="pattern").

They prefer PfA (Parameterise from Above) where the application instantiates the required objects and passes them as dependencies via a public interface. This provides greater opportunities to decouple dependencies and dependants via abstract interfaces.

A Lesson or Definition Paragraph

The following style was created for the Quality Matters articles by Matthew Wilson.

The following is a paragraph (class="lesson").

Definition: A contingent report is a block of information output from a program to inform its controlling entity (human user, or spawning process) that it was unable to perform its normative behaviour. Contingent reports are a part of the program logic proper, and are not optional.

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References and ...

[TC++PL] The C++ Programming Language, Special Edition, Bjarne Stroustrup, Addison-Wesley, 2000

1 For the purposes of this discussion, the language is C++ and the platform is Windows and DLLs. However, the principles described also apply to other platforms and languages to a greater or lesser degree. In any case, a stable and consistent ABI between clients and libraries is presumed.

2 Care must be taken with adding a new overload for an existing function, of course!

Notes:

More fields may be available via dynamicdata ..