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Why do we need virtual functions in C++?
... a rat."
So far so good, right? Animals eat generic food, cats eat rats, all without virtual.
Let's change it a little now so that eat() is called via an intermediate function (a trivial function just for this example):
// This can go at the top of the main.cpp file
void func(Animal *xyz) { xyz-...
Uses for the Java Void Reference Type?
...ce type . The only situation I have ever seen it used is to parameterize Callable s
11 Answers
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pod install -bash: pod: command not found
I installed pod some time ago. However, it's stopped working so I'm working through this again.
21 Answers
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What does this Google Play APK publish error message mean?
...message meaning something like "your original APK hasn't been published to all the update servers yet, so some of them may miss that version entirely". But it's a bit of a guess.
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How do I trim a file extension from a String in Java?
...have Apache Commons I/O already in your project, that's right. But if this all you need from it, you're adding (at least) 2.5 MB of dead weight to your project for something that can be easily done with a single line.
– foo
Sep 3 '18 at 9:40
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Easy way to see saved NSUserDefaults?
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How can I view it for an already installed application? My client downloaded the application from the appstore, and something is wrong. I need to check the NSUserDefaults file
– Dejell
Mar 12 '13 at 8:21
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Count character occurrences in a string in C++
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Small note, but the return type is typically signed. For some reason std::count returns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t.
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What's Pros and Cons: putting javascript in head and putting just before the body close
...p Your Web Site:
The problem caused by scripts is that
they block parallel downloads. The
HTTP/1.1 specification suggests that
browsers download no more than two
components in parallel per hostname.
If you serve your images from multiple
hostnames, you can get more than two
downloa...
What should main() return in C and C++?
...d termination) according to the C++ standard. For C, re-entering main() is allowed, but should be avoided.
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Best general SVN Ignore Pattern?
...gardless of whether it is listed in the global ignore pattern or not. Generally you do not want *.dll being tracked by SVN however you can always explicitly add any necessary ones (which I often do in the case of third-party assemblies).
– Zach Burlingame
Apr 8...