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Is the pImpl idiom really used in practice?
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So, I am wondering it this technique is really used in practice? Should I use it everywhere, or with caution?
Of course it is used. I use it in my project, in almost every class.
Reasons for using the PIMPL idiom:
Binary compatibility
W...
IsNothing versus Is Nothing
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If you take a look at the MSIL as it's being executed you'll see that it doesn't compile down to the exact same code. When you use IsNothing() it actually makes a call to that method as opposed to just evaluating the expression.
The reason I would tend to l...
Re-doing a reverted merge in Git
I have run into a bit of a problem here: I had a problem-specific branch 28s in Git, that I merged in the general develop branch. Turns out I had done it too fast, so I used git-revert to undo the merge. Now, however, the time has come to merge 28s into develop , but git-merge command sees th...
Is it better in C++ to pass by value or pass by constant reference?
Is it better in C++ to pass by value or pass by constant reference?
10 Answers
10
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Given a view, how do I get its viewController?
I have a pointer to a UIView . How do I access its UIViewController ? [self superview] is another UIView , but not the UIViewController , right?
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How can I reload .emacs after changing it?
How can I get Emacs to reload all my definitions that I have updated in .emacs without restarting Emacs?
18 Answers
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JavaScript frameworks to build single page applications [closed]
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Ember
Looked at Ember early on and had similar thoughts as you about it - I really liked it but it felt like it was still too early to use... about half the tutorials I read didn't work with the current version because something had recently changed in how templating works.
Backbone
Backbone ...
Is recursion a feature in and of itself?
...or is it just a practice?
9 Answers
9
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Why aren't pointers initialized with NULL by default?
Can someone please explain why pointers aren't initialized to NULL ?
Example:
15 Answers
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...he proper solution was (as seen in the comments) to use :
transaction.commitAllowingStateLoss();
when adding or performing the FragmentTransaction that was causing the Exception.
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