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Pure virtual function with implementation

My basic understanding is that there is no implementation for a pure virtual function, however, I was told there might be implementation for pure virtual function. ...
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How do I check if a number evaluates to infinity?

...inite returns false if your number is POSITIVE_INFINITY, NEGATIVE_INFINITY or NaN. if (isFinite(result)) { // ... } share | improve this answer | follow ...
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foreach vs someList.ForEach(){}

...y ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other. 14 Answ...
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Why can't a 'continue' statement be inside a 'finally' block?

... finally blocks run whether an exception is thrown or not. If an exception is thrown, what the heck would continue do? You cannot continue execution of the loop, because an uncaught exception will transfer control to another function. Even if no exception is thrown, finally ...
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object==null or null==object?

... This is probably a habit learned from C, to avoid this sort of typo (single = instead of a double ==): if (object = null) { The convention of putting the constant on the left side of == isn't really useful in Java since Java requires that the expression in an if evaluate to a b...
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Why is it bad style to `rescue Exception => e` in Ruby?

... TL;DR: Use StandardError instead for general exception catching. When the original exception is re-raised (e.g. when rescuing to log the exception only), rescuing Exception is probably okay. Exception is the root of Ruby's exception hierarchy, ...
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In which scenario do I use a particular STL container?

... every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used. ...
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How to match “anything up until this sequence of characters” in a regular expression?

...will match any single character at the beginning of a string, except a, b, or c. 12 Answers ...
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How to check date of last change in stored procedure or function in SQL server

...eck modify date ( look at this post: Is it possible to determine when a stored procedure was last modified in SQL Server 2000? ) ...
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Undo part of unstaged changes in git

...out -p, which lets you choose individual hunks from the diff between your working copy and index to revert. Likewise, git add -p allows you to choose hunks to add to the index, and git reset -p allows you to choose individual hunks from the diff between the index and HEAD to back out of the index. ...