Not known Factual Statements About magic

A different style of magic selection, while, is Utilized in file formats. It's just a price bundled as ordinarily the very first thing from the file which aids establish the file structure, the Model on the file format and/or the endian-ness of The actual file.

If by STL you indicate just the template part of the C++ Typical Library, then it can be perfectly probable to carry out it without any "magic".

My point even though was to focus on that regarding magic quantities, the maintainability in the code is An important difficulty, especially when if you don't comprehend it's reason you may perhaps change or use a magic number, with unintended Unwanted side effects Therefore.

Recognition of "Pi" as a name is a simply just a handy reward, but isn't the first basis for having the consistent.

Such as, a communication library may possibly have a Timeout parameter and it may determine the magic selection "-1" for indicating infinite timeout.

Michael StumMichael Stum 180k119119 gold badges407407 silver badges538538 bronze badges five 29 Regardless of whether it could't alter It is nonetheless a bad idea because it's not distinct what is going on on.

I argue that it is THE magic wand to rule all of them in practically just about every programmer's quiver of magic wands. Fake is inevitably 0

Laying apart popular constants like Pi, let's focus totally on quantities with Specific meanings, but which People meanings are constrained to the universe of our program process. This type of number might be "two" (being a simple integer value).

The bottom line Incidentally is: what do you consider making use of that sort of "magic figures" which are reasonably recognized and Harmless to tell that something is unsuccessful or that a thing will not exists?

I am even now an active MAGIC Developer... Here is the previous name used and its a totally various paradigm like many of you talked about. I have been establishing it from Magic version eight.x to eDeveloper 9.x to ten.x then renamed to UniPAAS. The more recent Model is much simpler to use and it remains to be extremely RAD during the sense that there's little or no code you produce... plenty of the common programming jobs like IO, SQL command.

The notion of "default" just isn't uncovered. Only Lisa Once i publish: padding = default_padding for a context after which you can elsewhere: default_padding = two do I absolutely realize a greater and fuller which means (semantic and goal) of 2 in our method.

I've often applied the expression "magic quantity" in a different way, as an obscure value stored within a details structure which can be confirmed as a quick validity Examine. For instance gzip documents incorporate 0x1f8b08 as their 1st a few bytes, Java course data files begin with 0xcafebabe, and so on.

Comparing in opposition to ANY might be valuable, one example is, evaluating virtually every vital amongst two dictionaries wherever some benefit is calculated employing a mock.

Magic figures are Exclusive value of sure variables which triggers This system to behave within an special way.