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What is polymorphism, what is it for, and how is it used?

...g different courses of action, you create interchangeable objects that you select based on your needs. That is the basic goal of polymorphism. share | improve this answer | ...
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed

..."Next" button. Next, make a read-only section in the install tree and pre-select or unselect it on the a function which is executed before the Components page is shown. This will make sure that the installation of each missing runtime component is mandatory, and is skipped if it is already present...
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The Use of Multiple JFrames: Good or Bad Practice? [closed]

...emo.). Good for: Showing wizard like dialogs. Displaying list, tree etc. selections for items that have an associated component. Flipping between no component and visible component. JInternalFrame/JDesktopPane typically used for an MDI. JTabbedPane for groups of components. JSplitPane A way to di...
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How does the compilation/linking process work?

... is usually just declarations), doing replacement of macros (#define), and selecting different portions of text depending of #if, #ifdef and #ifndef directives. The preprocessor works on a stream of preprocessing tokens. Macro substitution is defined as replacing tokens with other tokens (the opera...
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What is the dependency inversion principle and why is it important?

...l never be able to deploy his application without the logging library John selected. If John follows the DIP, however, Sam is free to provide an adapter and use whatever logging library he chooses. The DIP isn't about convenience, but coupling. – Derek Greer ...
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How do I make a Git commit in the past?

... By the way, the '-0400' part speicfies the timezone offset. Be aware of selecting it properly...because if not, your time will change based on that. For example in the case of myself, who live in Chicago, i had to choose '-0600' (North America CST). You can find the codes in here: timeanddate.co...
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How do I stop Entity Framework from trying to save/insert child objects?

...to create a new record when the ID is provided. If there was a way to fill select list options with the actual object we'd be in business. – T3.0 Jul 10 at 18:09 add a comment...
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What is the “volatile” keyword used for?

...latestness" - inherently fake since a lock just force cores to arbitrarily select one speaker at a time w/o fairness - but rather try to design away the need for such an unnatural concept. – AnorZaken May 5 at 15:57 ...
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Why does C# not provide the C++ style 'friend' keyword? [closed]

...ly. Typically, a designer desires to expose only a few private methods to selected few other classes. For example, in a class factory pattern it may be desired that class C1 is instantiated only by class factory CF1. Therefore class C1 may have a protected constructor and a friend class factory C...
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Maven: The packaging for this project did not assign a file to the build artifact

...ins - install, as pointed with red arrow in below image. Once I run the selected install under Lifecycle as illustrated above, the issue gone, and my maven install compile build successfully. share | ...