Magix Framework
Desmond Hutchins
Tailor your sound with innovative and world-leading effects plug-ins that helping you achieve the sounds in your head. Experiment by redesigning the interface and easily complete your projects using AI-based mastering tools.
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Subscription and cancellation conditions:ACID Pro 365 will be available immediately after payment and activation. The charge for the duration of the minimum term is payable monthly upon conclusion of the contract. The minimum term begins on the date of purchase.The contractual period of ACID Pro 365 will be automatically extended by 12 months at a time until you cancel the agreement. You will be informed well in advance if the extension rate or taxes included change. A cancellation is possible up to 1 month before the end of the contract period. To cancel the contract, please send an email stating your customer number to: infos...@magix.net
Subscription and cancellation conditions:ACID Pro 365 will be available immediately after payment and activation. The charge for the minimum term is payable as a single sum upon conclusion of the contract. The minimum term begins on the date of purchase.The contractual period of ACID Pro 365 will be automatically extended by one month at a time until you cancel the agreement You will be informed well in advance if the extension rate or taxes included change. A cancellation is possible up to 1 day before the end of the contract period. To cancel the contract, please send an email stating your customer number to: infos...@magix.net
My problem is that it is such a long time since I have used them, I've forgotten most of the reasons why. As a result, I'm having trouble explaining why they're a problem to my less experienced colleagues.
In a language that compiles, a magic string's value is not checked at compile time. If the string must match a particular pattern, you have to run the program to guarantee it fits that pattern. If you used something such as an enum, the value is at least valid at compile-time, even if it might be the wrong value.
If a magic string is being written in multiple places you have to change all of them without any safety (such as compile-time error). This can be countered by only declaring it in one place and reusing the variable, though.
Magic strings are rarely self-documenting. If you see one string, that tells you nothing of what else the string could / should be. You will probably have to look into the implementation to be sure you've picked the right string.
That sort of implementation is leaky, needing either external documentation or access to the code to understand what should be written, especially since it has to be character-perfect (as in point 3).
You may coincidentally use the same magic string in two places, when really they are different things, so if you did a Find & Replace, and changed both, one of them could break while the other worked.
Which brings me to a final point, that an excessive use of constants (and therefore an excessive number of assumptions or constraints expressed in terms of values), even if it otherwise complies with the criteria above (but especially if it deviates from them), may imply that the solution being devised is not sufficiently general or well-structured (and therefore we're not really talking about the pros and cons of constants anymore, but about the pros and cons of well-structured code).
But that may be an expert judgment based on an impression of all the circumstances and what a solution ought to look like, and exactly how that judgment will be justified will depend heavily on the context. Indeed it may not be justifiable in terms of any general principle, except to assert "I am old enough to have already seen this kind of work, with which I am familiar, done better"!
EDIT: having accepted one edit, rejected another, and having now performed my own edit, may I now consider the formatting and punctuation style of my list of rules to be settled once and for all haha!
Real life example: I am working with a third party system wherein "entities" are stored with "fields". Basically an EAV system. As it is fairly easy to add another field, you get access to one by using the field's name as string:
Magic strings not always bad, so this might the reason you cannot come up with a blanket reason for avoiding them. (By "magic string" I assume you mean string literal as part of an expression, and not defined as a constant.)
Some development environments (e.g. Qt) handle translations by lookup from a base language text string to the translated language. Magic strings can generally survive this - until you decide you want to use the same text elsewhere and get a typo. Even then, it's very hard to find which magic strings need translating when you want to add support for another language.
Some development environments (e.g. MS Visual Studio) take another approach and require all translated strings to be held within a resources database and read back for the current locale by the unique ID of that string. In this case your application with magic strings simply cannot be translated into another language without major rework. Efficient development requires all text strings to be entered into the resources database and given a unique ID when the code is first written, and i18n thereafter is relatively easy. Trying to backfill this after the fact will typically require a very large effort (and yes, I've been there!) so it's much better to do things right in the first place.
This is not a priority for everyone, but if you ever want to be able to calculate coupling/cohesion metrics on your code in an automated fashion, magic strings make this nearly impossible. A string in one place will refer to a class, method or function in another place, and there is no easy, automatic way to determine that the string is coupled to the class/method/function just by parsing the code. Only the underlying framework (Angular, e.g.) can determine that there is a linkage--and it can only do it at run-time. To obtain the coupling information yourself, your parser would have to know everything about the framework you were using, above and beyond the base language you are coding in.
The Magic Software Architect product is an industry leading, cross-platform, collaborative software architecture engineering product, which provides smart, robust, and intuitive tools to define, track, and visualize all aspects of software and related system architecture using the most standard-compliant UML models and diagrams. This dynamic and versatile development tool facilitates analysis and design of Object Oriented (OO) systems and databases. It provides the industry's best code engineering mechanism (with full round-trip support for Java, C++ and CORBA IDL programming languages), as well as database schema modeling, DDL generation and reverse engineering facilities.
The Magic Collaboration Studio product is for collaborative development and version model storage for large volume of data. It is architected to provide state-of-the-art model-governance (merging, branching, access control with secured connection), model analysis and integration with third-party tools. Magic Collaboration Studio works along with Magic Systems of Systems Architect, Magic Cyber-Systems Engineer and Magic Software Architect.
The Magic Model Analyst product provides the first in the industry extendable model execution framework based on OMG fUML and W3C SCXML standards. Magic Model Analyst can be used along with Magic Systems of Systems Architect, Magic Cyber-Systems Engineer and Magic Software Architect. It is used to validate system behavior by executing, animating, and debugging models in the context of representative mock-ups of the intended user interface.
The purpose of a simulation is to gain system understanding without manipulating the real system, either because it is not yet defined or available, or because it cannot be accessed directly due to cost, time, resources or risk constraints. Simulation is typically performed on a model of the system. With the Magic Model Analyst product, users can test how the system reacts to user interaction or predefined testing data and execution scenarios.
Model-Based System Engineering (MBSE) and SysML tools are becoming more sophisticated in order to support the increased complexity of embedded and distributed applications. These new systems are larger, contain autonomous components, operate from the edge to the cloud, and often have strict requirements in terms of performance, scalability, robustness and security.
Dassault Systemes has addressed the digital continuity and integration between the two worlds of MBSE to interface design with the new Magic Real-Time Communication Designer. This software plugin provides a direct integration to RTI Connext, the leading commercial software based on the DDS standard, enabling engineers to create model-based systems based on real-time communication flow across embedded and distributed systems. Engineers can go directly from the system model in SysML to RTI Connext for implementation and deployment of a distributed system.
Alf (the Action Language for Foundation UML) is a textual language for coding detailed, executable behavior within an overall UML model. Alf is a standard of the Object Management Group (OMG), which is also the organization that maintains the UML specification. Alf is one of a suite of OMG specifications related to defining precise execution semantics for UML, building on the original Foundational UML (fUML) specification.
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