• Coding by exception - Wikipedia, the free encyclopedia
  Coding by exception is an accidental complexity in a software system in which the program handles specific errors that arise with unique exceptions. When an issue arises in a software system, an error is raised tracing the issue back to where it was caught and then where that problem came from, if applicable. Exceptions can be used to handle the error while the program is running and avoid crashing the system. Exceptions should be generalized and cover numerous errors that arise.
  in Software Engineering with anti-pattern exception generalized handles program raised
• Error hiding - Wikipedia, the free encyclopedia
  Error hiding is an anti-pattern in computer programming. The programmer hides error messages by overriding them with exception handling. As a result of this the root error message is hidden from the user (hence 'error hiding') and so they will not be told what the actual error is. Error hiding is a bane of support engineers' jobs as it often delays the resolution of the problem by hiding information needed to identify what is going wrong.
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• Magic Number
  in Software Engineering with anti-pattern constants hard-coded magic number programming undocumented
• Duplicate code - Wikipedia, the free encyclopedia
  Duplicate code is a computer programming term for a sequence of source code that occurs more than once, either within a program or across different programs owned or maintained by the same entity. Duplicate code is generally considered undesirable for a number of reasons.[1] A minimum requirement is usually applied to the quantity of code that must appear in a sequence for it to be considered duplicate rather than coincidentally similar. Sequences of duplicate code are sometimes known as code clones or just clones, the automated process of finding duplications in source code is called clone detection.
  in Software Engineering with anti-pattern code computer duplicate multiple occurrences undesirable

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