It can be well worth noting that at times you are doing want non-configurable "tough-coded" quantities inside your code. There are a number of popular ones like 0x5F3759DF which is Utilized in the optimized inverse sq. root algorithm.
If by STL you indicate only the template portion of the C++ Normal Library, then it truly is properly attainable to employ it with none "magic".
On the other hand, SO should really be capable to stand alone regardless of whether the rest of the internet disappears! By all suggests hyperlink to a different source, but I prefer to place some meat in The solution too.
The phrase "magic quantity" gets abused a bit, though, referring to almost anything at all that identifies a file format - which includes really extended ASCII strings while in the header.
Following tests most solutions with no altering the source-code, I found the subsequent to obtain python-magic Operating out with the box:
I haven't witnessed any formally authorized implementations of offsetof, so I am undecided whether they are even feasible.
It really is undoubtedly a distinct segment space establish in and due to this Employment are few and much in between. As it truly is interpreted you will find definitely no bugs to produce. It will operate with quite a few databases/connections simultaneously but there is a major memory and processing hit. Negatives :
As PachinSV described, There's a RAD when referred to as Magic, then eDeveloper, now UniPaaS. This RAD is dedicated for database applications. Programming in this RAD would not appear to be the rest I do know, you primarily Really don't generate code as with normal languages, nevertheless it is sort of difficult to elucidate just with terms. The apps are interpreted, not compiled. As PachinSV mentioned, when building, you need to observe UniPaaS' way of doing factors.
While in the uncommon instances where by I come across the need to use such Magic Quantities, I established them as being a const in my code, and doc why They can be utilized, how they work, and wherever they came from.
I'm nevertheless an active MAGIC Developer... Here is the outdated name made use of and its a totally different paradigm like many of you described. I've been developing it from Magic Model eight.x to eDeveloper nine.x to 10.x then renamed to UniPAAS. The newer Model is much simpler to use and it remains to be extremely RAD during the sense that there is little if any code you publish... lots of the prevalent programming duties like IO, SQL command.
The Idea of "default" is not really revealed. Only Once i create: padding = default_padding being a context after which somewhere else: default_padding = two do I fully understand a much better and fuller that means (semantic and function) of two within our process.
I have constantly utilized the time period "magic variety" in a different way, being an obscure worth saved in a data framework which can be confirmed as a quick validity Look at. By way of example gzip files consist of 0x1f8b08 Krol as their initially 3 bytes, Java course data files begin with 0xcafebabe, and many others.
I'm hoping to put in python-magic for Home windows and I've followed all the Recommendations in and recurring the method several periods but I am however acquiring this mistake:
To paraphrase, has everything been carried out into the compiler to allow for a 'Specific case' the STL required to perform?