One more type of magic selection, however, is used in file formats. It can be just a value bundled as usually the very first thing while in the file which allows detect the file structure, the Model in the file structure and/or perhaps the endian-ness of the particular file.
I love it personally, particularly when you have to do swift proof of ideas or a quick data migration or porting onto any db System and bridging any current system through an array of gateways they provide Using the certified Edition.. It truly is updated With all the typically applied World-wide-web technology around...like Cleaning soap, RIA ...
For future google readers: A further solution is location the %MAGIC% enviroment variable from the programs setting to place into the magic file, for me it absolutely was:
Recognition of "Pi" as a name is really a merely a handy bonus, but is not really the first reason behind acquiring the regular.
My code is full of global constants like HzPerMHz and msecPerSecond. These will never improve, However they make the this means clearer, and provide some defense against typos.
What I often appreciated about C++ is always that, so far as I realize, there's no this kind of "magic" going on in the STL, i.e. it is feasible to put into action the STL in pure C++.
As "gbjbaanb" rightly mentioned, there isn't any magic involved in the implementation of STL. It is actually published in pure C++. You may put into action it yourself but has actually been created readily available to be a library to make your daily life easier.
Laying aside popular constants Krol like Pi, let us emphasis primarily on numbers with special meanings, but which Those people meanings are constrained to your universe of our software package technique. This type of quantity could be "2" (as a essential integer price).
Kinds could be specified and an affiliated system to current the sort. Then all over the place the kind is applied many of the settings instantly kick in. I like In particular that you can write the program and five months later change the title of the variable and it is carried through the entire system.
Examine stand-alone manifest continual essential values in the code textual content. Question Every single issue slowly but surely and thoughtfully about Each individual instance of these types of a worth. Evaluate the energy of the response.
I believe This is actually the internet site for it even though I am not certain, as it mentions uniPaaS instead of magic. Nevertheless other material on the website indicates that this is the new name for it.
I did some googling and could not obtain much details about it. I couldn't locate any code illustrations, and wikipedia did not have any info on it possibly.
Cătălin PitișCătălin Pitiș fourteen.3k22 gold badges4040 silver badges6363 bronze badges 6 But my issue is if the implementation from the STL itself requirements any "magic" in the compiler.
Magic quantities are Unique value of specified variables which will cause This system to behave within an special manner.