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ruby inheritance vs mixins
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I just read about this topic in The Well-Grounded Rubyist (great book, by the way). The author does a better job of explaining than I would so I'll quote him:
No single rule or formula always results in the right design. But it’s useful to kee...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
I need to show an alternate image in cell of table if source image is not found.
Currently below code is used to do so.
3 A...
How to convert a selection to lowercase or uppercase in Sublime Text
I have several strings selected in a file in Sublime Text and I want to convert them all to lowercase.
5 Answers
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What is the “assert” function?
I've been studying OpenCV tutorials and came across the assert function; what does it do?
9 Answers
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ViewPager with previous and next page boundaries
...igning a view with multiple pages. I want edges of previous and next pages to be show like below and implement a 2 finger swipe to switch between pages.
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What does the tilde before a function name mean in C#?
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~ is the destructor
Destructors are invoked automatically, and cannot be invoked explicitly.
Destructors cannot be overloaded. Thus, a class can have, at most, one destructor.
Destructors are not inherited. Thus, a class has no destructors...
Pull request vs Merge request
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GitLab's "merge request" feature is equivalent to GitHub's "pull request" feature. Both are means of pulling changes from another branch or fork into your branch and merging the changes with your existing code. They are useful tools for code review and change management....
What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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catch/throw are not the same as raise/rescue. catch/throw allows you to quickly exit blocks back to a point where a catch is defined for a specific symbol, raise rescue is the real exception handling stuff involving the Exception object.
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C++, What does the colon after a constructor mean? [duplicate]
...lisation list. You can use it for two things:
Calling base class constructors
Initialising member variables before the body of the constructor executes.
For case #1, I assume you understand inheritance (if that's not the case, let me know in the comments). So you are simply calling the construct...
What is the best way to test for an empty string with jquery-out-of-the-box?
What is the best way to test for an empty string with jquery-out-of-the-box, i.e. without plugins? I tried this .
10 Answ...
