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Why should eval be avoided in Bash, and what should I use instead?

Time and time again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil? ...
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In C++, is it still bad practice to return a vector from a function?

...+0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination? 7 Answers ...
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What exactly does big Ө notation represent?

I'm really confused about the differences between big O, big Omega, and big Theta notation. 6 Answers ...
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Why does JQuery have dollar signs everywhere?

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Catching an exception while using a Python 'with' statement

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Why is Swift compile time so slow?

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Calling Objective-C method from C++ member function?

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Are Roslyn SyntaxNodes reused?

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Why are const parameters not allowed in C#?

It looks strange especially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. ...